CN1203748C - Electronic device and its producing method - Google Patents
Electronic device and its producing method Download PDFInfo
- Publication number
- CN1203748C CN1203748C CNB021230501A CN02123050A CN1203748C CN 1203748 C CN1203748 C CN 1203748C CN B021230501 A CNB021230501 A CN B021230501A CN 02123050 A CN02123050 A CN 02123050A CN 1203748 C CN1203748 C CN 1203748C
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- substrate
- shielding box
- box
- electrode
- hole
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- Expired - Lifetime
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 156
- 229910000679 solder Inorganic materials 0.000 claims abstract description 150
- 238000004519 manufacturing process Methods 0.000 claims abstract description 77
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 238000005476 soldering Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 52
- 238000003466 welding Methods 0.000 claims description 16
- 230000004907 flux Effects 0.000 claims description 8
- 238000009713 electroplating Methods 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 17
- 230000008878 coupling Effects 0.000 claims 11
- 238000010168 coupling process Methods 0.000 claims 11
- 238000005859 coupling reaction Methods 0.000 claims 11
- 239000006071 cream Substances 0.000 description 81
- 238000005538 encapsulation Methods 0.000 description 62
- 238000010992 reflux Methods 0.000 description 21
- 238000002360 preparation method Methods 0.000 description 19
- 230000004927 fusion Effects 0.000 description 9
- 238000007639 printing Methods 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000009987 spinning Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000005441 electronic device fabrication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
- H05K9/0026—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields integrally formed from metal sheet
- H05K9/0028—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields integrally formed from metal sheet with retainers or specific soldering features
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3485—Applying solder paste, slurry or powder
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The present invention provides a method of efficiently manufacturing highly reliable electronic components, which does not require complicated manufacturing process or manufacturing machines and does not generate solder burrs or solder dragging by suppressing solder cutting in dividing a collective substrate. Solder paste is applied on electrodes for component mounting and on perimeters of through holes and/or regions containing respectively a part of a through hole so as not to substantially fill the through holes formed in a collective substrate. Consequently, the amount of the solder paste inside the through holes is reduced, and highly reliable electronic components free from solder burrs and solder dragging caused by cutting solder in cutting the collective substrate are obtained. After shield cases are loaded on the collective substrate for assembly, the collective substrate on which shield cases are loaded is subjected to reflow soldering.
Description
Technical field
The present patent application relates to the manufacture method of electronic device, detailed says, it relates to having and be housed in the manufacture method of the electronic device of shielding box inner structure with being encapsulated in on-chip surface encapsulation device.
Background technology
As shown in figure 16, has a kind of manufacture method that surface encapsulation device 64 is housed in the electronic device 60 of shielding box 65 inner structures, for example special method of opening flat 10-13078 communique announcement.
Adopt this method, electronic device 60 is by the order manufacturing of following explanation.
(1). at first, as shown in figure 17,, on the side of through hole 62, form shielding box installing electrodes 63 having a plurality of devices lift-launchs with forming through hole 62 on the combination substrate 61 of substrate 51.
(2). then, surface encapsulation device 64 is carried on combination substrate 61 welding upper surface packaging 64 on the bonding electrodes (not shown) of combination substrate 61.
(3). secondly, in through hole 62, fill solder cream 67.
(4). then, the pawl (joint portion) 66 of a plurality of shielding boxs 65 is inserted in the through hole 62 of having filled solder cream 67.
(5). then, the scolder in the fusion welding cream 67 is welded on a plurality of shielding boxs 65 on the combination substrate 61.In addition, because the claw (joint portion) 66 of shielding box 65 is welded on the shielding box installing electrodes 63 (Figure 17) in the through hole 62, shielding box 65 is connected, is fixed on the combination substrate 61.
(6). subsequently, will make up substrate 61 with slicing machine etc. along the A-A line and cut off, obtain each electronic device 60 shown in Figure 16.
But, adopt existing method, owing to be in above-mentioned steps (3), after filling solder cream 67 in the through hole 62 on being formed at combination substrate 61, in step (4), shielding box 65 is carried on combination substrate 61, claw 66 is inserted in the through hole 62 of having filled solder cream 67, in above-mentioned steps (5), make solder cream 67 fusions that are filled in the through hole 62, shielding box 65 is welded on the shielding box installing electrodes 63 of combination substrate 61, there is deviation in amount of solder in the through hole, in above-mentioned steps (6), work as cut-out, when cutting apart the combination substrate, the scolder depression can take place, scolder such as spins out at bad problem.
Summary of the invention
The purpose of the present patent application is in order to address the above problem, a kind of do not need complicated manufacturing step and manufacturing equipment are provided, can suppress to cut off, cut off scolder when cutting apart the combination substrate, prevent the electronic device manufacturing method of problems such as scolder caves in, scolder is spun out and the high-reliability electronic device made from this manufacture method.
For reaching above-mentioned purpose, the electronic device manufacturing method of the present patent application (the present invention 1) is to have to be housed in the electronic device manufacturing method of shielding box inner structure with being encapsulated in on-chip surface encapsulation device, it is characterized in that it possesses following steps:
(a) when combination is paid solder cream on device electric or that mechanically be connected and fixed the surface encapsulation device carries with electrode on the substrate, around the on-chip combined hole of combination and/or the person comprise the step of paying solder cream on the zone of a combined hole part and solder cream not being filled into combined hole, described combination substrate is the combination substrate that can be divided into a plurality of electronic devices, this combination substrate possesses a plurality of combined holes, on the inner peripheral surface of this combined hole, form the fixing electrode of using of shielding box, make the joint portion of shielding box be inserted into combined hole, by electric or mechanically to be fastened on box fixing with on the electrode;
(b) the surface encapsulation device is carried in the on-chip step of combination;
(c) reflux by the combination substrate that will carry the surface encapsulation device, make the surface encapsulation device be welded on that device carries with on the electrode time, the box in combined hole is fixing with forming the operation of electroplating membranaceous preparation solder film on the surface of electrode;
(d) be inserted in the combined hole of combination substrate by joint portion, shielding box is installed in the on-chip step of combination shielding box;
(e) the combination substrate that shielding box will be installed refluxes once again, by joint portion and box combined hole in the fixing step with electrode welding of the preparation solder film in the combined hole with shielding box;
(f) the combination substrate that will weld shielding box cuts off the step that is divided into each electronic device.
Since be on the device of combination substrate carries with electrode and formed on the inner peripheral surface the fixing combined hole with electrode of box on every side and/or the person comprise on the zone of a combined hole part, make and on combined hole, be not filled such solder cream of paying in fact, reflux, making the surface encapsulation device be welded on device carries with on the electrode time, box in combined hole is fixing electroplates membranaceous preparation solder film with forming on the surface of electrode, under the joint portion with shielding box is inserted into state in the combined hole, to make up substrate refluxes once again, make the joint portion and the box in the combined hole of shielding box fixing with after the electrode welding, to make up substrate cuts off, be divided into each electronic device, can be suppressed at cut-out, cut off scolder when cutting apart the combination substrate, the scolder depression does not take place, scolder such as spins out at unfavorable condition, electronic device that can high efficiency manufacturing high reliability.
In other words, adopt the electronic device manufacturing method of the present patent application, because only be on device carries with electrode and combined hole around and/or the person comprise on the zone of a combined hole part and pay solder cream, solder cream is not filled in the combined hole in fact, cutting off, cutting apart in the step that makes up substrate, can suppress, prevent to cut off the scolder in the combined hole, prevent the spinning out of depression, scolder of scolder, can access the electronic device of high reliability.
Also have, adopt the electronic device manufacturing method of the present patent application, owing to be state processing in the key step of electronic device fabrication steps with the combination substrate, therefore, the production efficiency height also has, because shielding box being installed in general device such as the on-chip operation energy of combination enough solder printing machines (coating machine), device package machine (packaging machine), reflow ovens carries out, do not need the special machine of shielding box assembling, can boost productivity, reduce the cost of equipment.
Also have, adopt the electronic device manufacturing method of the present patent application, in the step that the combination substrate of having assembled shielding box refluxes once again, because scolder concentrates on the joint portion of shielding box and the fixing weld part with electrode in the combined hole because of capillarity, can suppress scolder rests in the zone in the combined hole, that pass through for the material that cuts off the combination substrate, even, also can prevent the generation of scolder depression, the generation that scolder is spun out really from this point.
Also have, use the lift-launch of surface encapsulation device to carry out the fixedly such formation of solder printing of usefulness of shielding box simultaneously, can realize the stabilisation of amount of solder, the consumption of minimizing scolder with the solder printing machine owing to also can adopt.
In addition, in the present patent application, so-called around the combined hole and/or the person comprise on the zone of a combined hole part and pay solder cream, be to mean when overlooking, in the peripheral region of combined hole and during same overlooking, with a part of overlapping areas of combined hole on the notion of printing soldering paste, applied solder paste.
Also have, when on carrying with electrode, paying solder cream with device, so-called combined hole around and/or the person comprise on the zone of a combined hole part, make and in combined hole, be not filled such solder cream of paying in fact and refer to: comprised on device carries with electrode and combined hole around and/or the person comprise pay the situation of solder cream simultaneously and on device carries with electrode, pay solder cream on the zone of a combined hole part after, around the combined hole and/or the person comprise on the zone of a combined hole part and pay the notion of the situation of solder cream in two kinds of interior situations.In addition, after on device carries with electrode, paying solder cream, around the combined hole and/or the person comprise on the zone of a combined hole part and pay under the solder cream situation, as the method for paying solder cream, the enough methods that has nothing in common with each other of energy, for example, can pay the former solder cream by the wire mark method and pay the latter's solder cream with the dispenser method.
Also have, the electronic device manufacturing method of the present patent application (the present invention 2) is to have to be housed in the electronic device manufacturing method of shielding box inner structure with being encapsulated in on-chip surface encapsulation device, it is characterized in that it possesses following each step:
(a) to paying the step of solder cream on device electric or that mechanically be connected and fixed the surface encapsulation device carries with electrode on the substrate in combination, described combination substrate is the combination substrate that is divided into a plurality of electronic devices, this combination substrate possesses a plurality of combined holes, on this combined hole inner peripheral surface, form the fixing electrode of using of shielding box, make the joint portion of shielding box be inserted into combined hole, by electric or mechanically to be fastened on box fixing with on the electrode;
(b) the surface encapsulation device is carried in the on-chip step of combination;
(c) around the combined hole of combination substrate and/or the person comprise on the zone of a combined hole part, make and on combined hole, be not filled such step of paying solder cream in essence;
(d) refluxed by the combination substrate and the surface encapsulation device is welded on device carries with on the electrode time, the box in combined hole is fixing with forming the step of electroplating membranaceous preparation solder film on the surface of electrode;
(e) be inserted in the combined hole by joint portion, shielding box is installed in the on-chip step of combination shielding box;
(f) the combination substrate that shielding box will be installed refluxes once again, by joint portion and box combined hole in the fixing step with electrode welding of the preparation solder film in the combined hole with shielding box;
(g) the combination substrate that will weld shielding box cuts off the step that is divided into each electronic device.
After carrying the surface encapsulation device on the combination substrate of on carrying with electrode, having paid solder cream at device, around the combined hole of combination substrate and/or the person comprise on the zone of a combined hole part, make on combined hole, not to be filled in fact and pay the fixedly solder cream of usefulness of shielding box like that, then, the same during also with described the present invention's 1 electronic device manufacturing method under will making up the situation that substrate refluxes, can high efficiency make the electronic device of high reliability.
Also have, adopt the present invention 2 method, owing to use the scolder dispenser, be provided with in the peripheral region of combined hole in addition and cover the step of paying scolder on the zone of a combined hole part, though number of steps has increased, the degree of freedom of inserting the applying step stage has uprised.
Also have, consider the characteristic of electronic device etc., can be easy to change the kind, use amount, solder flux amount of solder cream etc., also can improve the connection reliability of Devices Characteristics and shielding box in some cases.
Also have, the electronic device manufacturing method of the present patent application (the present invention 3) is to have to be housed in the electronic device manufacturing method of shielding box inner structure with being encapsulated in on-chip surface encapsulation device, it is characterized in that it possesses following each step:
(a) to paying the step of solder cream on device electric or that mechanically be connected and fixed the surface encapsulation device carries with electrode on the substrate in combination, described combination substrate is the combination substrate that is divided into a plurality of electronic devices, this combination substrate possesses a plurality of combined holes, on this combined hole inner peripheral surface, form the fixing electrode of using of shielding box, make the joint portion of shielding box be inserted into combined hole, by electric or mechanically to be fastened on box fixing with on the electrode;
(b) around the combined hole of combination substrate and/or the person comprise on the zone of a combined hole part, make not to be filled such step of paying solder cream in fact on the combined hole;
(c) the surface encapsulation device is carried in the on-chip step of combination;
(d) reflux by making up substrate, the surface encapsulation device is welded on device carries with on the electrode time, the box in combined hole is fixing with forming the step of electroplating membranaceous preparation solder film on the surface of electrode;
(e) be inserted in the combined hole by joint portion, shielding box is installed in the on-chip step of combination shielding box;
(f) the combination substrate that shielding box will be installed refluxes once again, by joint portion and box combined hole in the fixing step with electrode welding of the preparation solder film in the combined hole with shielding box;
(g) the combination substrate that will weld shielding box cuts off the step that is divided into each electronic device.
On device carries with electrode, pay solder cream the combination substrate combined hole around and/or the person comprise on the zone of a combined hole part, make be not filled in fact on the combined hole such pay solder cream after, carry the surface encapsulation device, the same in the situation that will make up under the situation that substrate refluxes also with the electronic device manufacturing method of described the present invention 1 or 2, can the high electronic device of high efficiency fabrication reliability.
Also have, the feature of the present invention 4 electronic device manufacturing method is: before the combination substrate that will assemble shielding box refluxes once again, carry out the coating of the solder flux on the zone on the surface that comprises described preparation solder film and/or person and append and pay scolder.
Because after shielding box being assembled on the combination substrate, on the zone that comprises the surface of preparing solder film, carry out at least one side who pays in the two that appends of the coating of solder flux and scolder, can improve the sticking lubricant nature of scolder, the deficiency of additional scolder (solder cream) amount of paying, also have, even to inserting under the situation of other steps between combination device package step of substrate and the shielding box installation steps, can avoid weldability reduction, be highly significant.
Also have, the feature of the present invention 5 electronic device manufacturing method is: to around the described combined hole and/or the person comprise on the zone of a combined hole part and pay in the step of solder cream, be around the back side one side direction combined hole of the surface encapsulation device package face of combination substrate and/or solder cream is supplied with in the person zone that comprises a combined hole part.
Since be from the encapsulation of combination substrate the surface encapsulation device side the back side one side direction combined hole around and/or the person zone that comprises a combined hole part supply with solder cream, there is not the obstruction of the surface encapsulation device that has before carried, can supply with solder cream to the zone of regulation, the present patent application can be more effectual.
Also have, the feature of the present invention 6 electronic device manufacturing method is to adopt:
(1) make the joint portion of shielding box tortuous or crooked and
(2) setting and the fixing jut at least a method wherein that contacts with electrode of the box in the combined hole on the joint portion of shielding box made the joint portion of shielding box contact with the inner peripheral surface of combined hole by flexible pair of force.
By adopting (1) to make the joint portion of shielding box tortuous or crooked, (2) on the joint portion of shielding box, be provided with combined hole in box fix the jut that contacts with the electrode at least a method in the two, pay force because of what elasticity had, the joint portion of shielding box is contacted with electrode with the box in the combined hole is fixing, under such state, reflux, when can carry out the higher welding of reliability, for example, contacting of the inner peripheral surface part of the front end of the zigzag part of joint portion and the projection that has the double-screw bolt shape and combined hole, because the scolder of fusion concentrates on this contact site easily, can shielding box be welded on the substrate enough a spot of scolders, can make the present patent application more effectual.
In addition, it is so-called that to make the joint portion contact of shielding box by flexible pair of force be to mean by what elasticity had to pay force contacts the joint portion with the box fixed electrode that is formed on the combined hole inner peripheral surface notion on the inner peripheral surface of combined hole, also have, under the situation of paying solder cream or preparation solder film on the inner peripheral surface of combined hole, be to mean the notion that contacts by these inner peripheral surfaces (box fixed electrode) with joint portion and combined hole.
Also have, the feature of the present invention 7 electronic device manufacturing method is: by employing
(1) make the joint portion of shielding box tortuous or crooked,
(2) on the joint portion of shielding box jut is set, at least one side's wherein method makes the inner peripheral surface of the joint portion of shielding box near combined hole.
Because adopt that (1) makes the joint portion of shielding box tortuous or crooked, (2) be provided with jut, at least one side's wherein method on the joint portion of shielding box, make the joint portion of shielding box become possibility near the inner peripheral surface (the fixing electrode of using of box) of combined hole, under such state, reflux, for example, the front end of joint portion zigzag part is the projection part approaching with inner peripheral surface combined hole with band double-screw bolt shape, can shielding box be welded on the substrate with a spot of scolder, can make the present patent application more effectual.
In other words, situation as described the present invention 6, by having the inner peripheral surface that makes the joint portion contact combined hole of shielding box because of flexible pair of force, certainly can be with a spot of scolder with certain being welded on the substrate of shielding box, as the present invention 7, make under the situation of the joint portion of shielding box near the inner peripheral surface (the fixing electrode of using of box) of combined hole, also can be with a spot of scolder with certain being welded on the substrate of shielding box.
Also have, the feature of the electronic device of the present patent application (the present invention 8) is that it has following structure: the surface encapsulation device is welded on on-chip device and carries with on the electrode, and the joint portion of shielding box of accommodating the surface encapsulation device is by to be welded on the box in conjunction with the recess inner peripheral surface that is formed on substrate side fixing with on the electrode not fill up a small amount of scolder in conjunction with recess.
The electronic device of the present patent application (the present invention 8), be welded on on-chip device lift-launch with on the electrode owing to have the surface encapsulation device, and, the joint portion of shielding box has that to be welded on the box in conjunction with the recess inner peripheral surface that is formed on the substrate side fixing with structure on the electrode not fill up a small amount of scolder in conjunction with recess, therefore, the spinning out of depression, scolder of scolder can not taken place, and possesses high reliability.
In addition, the electronic device of the present patent application (the present invention 8) can be made with the efficient higher than any one described method of the present invention 1～5.
Also have, the feature of the present invention 9 electronic device is that it has: (a) make tortuous or the crooked and/or person (b) in the joint portion of shielding box set jut on the joint portion of shielding box, described complications or sweep or jut are fixed with the box of the inner peripheral surface that combines recess that is formed on substrate side and are used the electrode contacting structure.
It is tortuous or crooked that the present invention 9 electronic device has the joint portion of shielding box, and/or the person sets jut on the joint portion of shielding box, tortuous or crooked part, perhaps jut and the box that combines the recess inner peripheral surface that is formed on substrate side are fixed and are used the electrode contacting structure, because the joint portion of shielding box is under having because of the fixing usefulness of the box in flexible pair of force and combined hole electrode state of contact, weld, the joint portion of shielding box is fixing with on the electrode by certain box that is welded in the combined hole with a spot of scolder, can provide to the high electronic device of the substrate installation reliability of shielding box.
Also have, the feature of the present invention 10 electronic device is that it has following structure: (a) joint portion of shielding box complications or bending and/or person (b) set jut on the joint portion of shielding box, and described complications or sweep or jut closely connect with electrode with the box that combines the recess inner peripheral surface that is formed on substrate side is fixing.
Because having tortuous or the crooked and/or person in the joint portion of shielding box, the present invention 10 electronic device on the joint portion of shielding box, sets jut, complications or sweep or jut and the fixing structure that closely connects with electrode of the box that combines the recess inner peripheral surface that is formed on substrate side, be under such state, to weld, the joint portion of shielding box be with a spot of scolder certain to be welded on box in the combined hole fixing with on the electrode, can provide to the high electronic device of the substrate installation reliability of shielding box.
In addition, the electronic device of the present patent application (the present invention 9,10) can be to make than the present invention 6 or 7 described methods more efficiently.
Description of drawings
Fig. 1 illustrates a kind of step of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Fig. 2 illustrates other step of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Fig. 3 illustrates other the step of another kind of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Fig. 4 illustrates other the step of another kind of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Fig. 5 illustrates other the step of another kind of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Fig. 6 illustrates other the step of another kind of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Fig. 7 (a) illustrates the electronic device made from the relevant electronic device manufacturing method of the present patent application one execution mode (execution mode 1), (b) reaches the structure that the shielding box relevant with its variation (variation 1) (c) is shown.
Fig. 8 (a) illustrates the state in the combined hole that joint portion with the meander-shaped relevant with the variation (variation 1) of the present patent application execution mode 1 is inserted into the combination substrate, joint portion with the band double-screw bolt shape relevant with variation 1 (b) is shown is inserted into state in the combined hole that makes up substrate.
Fig. 9 illustrates the joint portion of the shielding box relevant with other variation (variation 2) of the present patent application execution mode 1, (a) is that front view, (b) are that end view, (c) are that upward view, (d) are the cutaway views along the A-A line of Fig. 9 (a).
Figure 10 illustrates other structures of the shielding box joint portion relevant with the variation 2 of the present patent application execution mode 1, is that front view, (b) are that end view, (c) are that upward view, (d) are the cutaway views along the B-B line of Fig. 9 (a) (a).
Figure 11 (a) illustrates the state in the combined hole that the joint portion that will form the protrusion relevant with the present patent application variation 2 is inserted into the combination substrate, and the state that will longitudinally form in the combined hole that joint portion that the crest line portion such state of F is bent is inserted into the combination substrate (b) is shown.
Figure 12 illustrates the flow chart of the electronic device manufacturing method relevant with the present patent application one execution mode (execution mode 1).
Figure 13 illustrates the flow chart of the electronic device manufacturing method relevant with other execution modes of the present patent application (execution mode 2).
Figure 14 shows the flow chart of the electronic device manufacturing method relevant with another kind of other execution modes of the present patent application (execution mode 3).
Figure 15 shows the flow chart of the electronic device manufacturing method relevant with another kind of other execution modes of the present patent application (execution mode 4).
Figure 16 is the stereogram that shows existing electronic device.
Figure 17 is the figure that the manufacture method of existing electronic device is shown.
Symbol description
1-makes up substrate, 2-combined hole, 4-surface encapsulation device, the outer electrode of 4a-surface encapsulation device, 5-shielding box, 5a, 5b-peristome, the 6-joint portion, 7-solder cream, 7a-scolder, 10,10a-electronic device, 11-substrate, 12-device carry uses electrode, the 13-box is fixing uses electrode, and 17-prepares solder film, D-projection, the E-protrusion, F-crest line portion.
Embodiment
Below, the execution mode of demonstration the present patent application will be done more detailed description to its feature place.
(execution mode 1)
With reference to Fig. 1～Fig. 7 and the flowchart text shown in Figure 12 electronic device relevant manufacture method of (in execution mode 1, for example being used for the high-frequency electron device of the VCO etc. of communicating machine etc.) with the present patent application execution mode.
(1) at first, as shown in Figure 1, on combination substrate 1, form the combined hole 2 (step 1 (Figure 12)) of the joint portion 6 (Fig. 5) that will insert shielding box 5.
(2) then, the device that (above being in the present embodiment) forms wiring figure (not shown) and constitute its part on combination substrate 1 one sides' face carries with in the electrode 12, begins to form the fixing electrode 13 (Fig. 1) (step 2 (Figure 12)) of using of box up to the periphery of the combined hole 2 of combination substrate two sides 1 about from the inner peripheral surface of combined hole 2.
In addition, it is the outer electrode 4a connection that makes surface encapsulation device 4, fixing bonding electrodes that device carries with electrode 12, box is fixing with insertion, the welding of electrode 13 owing to the joint portion 6 of shielding box 5, be that shielding box is 5 electric, the connection of machinery, fixing electrode, in this execution mode 1, constitute the function of earthy electrode.
(3) secondly, on device carries with electrode 12 and that insert, electric, mechanical being connected, on the zone of the neighboring area of fixing combined hole and covering combined hole 2 parts, paying solder cream (Fig. 2) (step 3 (Figure 12)) with the state of not filling combined hole 2 in fact in the joint portion 6 that makes shielding box 5 with the wire mark method.
In addition, be with wire mark method printing soldering paste 7 in execution mode 1, also can enough applying device applied solder paste or pay solder cream with the method that dispenser is supplied with solder cream, its method of paying has no particular limits.
Also have, when on the neighboring area of the combined hole 2 of combination substrate 1 and/or zone that the person covers combined hole 2 parts, paying solder cream 7, also can adopt from the neighboring area of the back side one side direction combined hole 2 of surface encapsulation device 4 encapsulating faces and/or the structure of solder cream is supplied with in the zone that the person comprises combined hole 2 parts.
(4) then, as shown in Figure 3, make outer electrode 4a and solder cream 7 fully contact like that, a plurality of surface encapsulation devices 4 be carried on the solder cream of paying on the device lift-launch usefulness electrode 12 7 (step 4 (Figure 12)) with automatic-packaging.In addition, surface encapsulation device 4 usually can enough automatic-packaging encapsulation.
(5) and, the combination substrate 1 that has carried surface encapsulation device 4 is put into reflow ovens, make the scolder 7a fusion in the solder cream 7 after, cooling, the outer electrode 4a of surface encapsulation device 4 is welded on device carries with (Fig. 4) (step 5 (Figure 12)) on the electrode 12.At this moment, scolder 7a fusion, the box in combined hole 2 in the solder cream 7 in supply combined hole 2 neighboring areas and covering combined hole 2 a part of zones fixed and used the membranaceous preparation solder film 17 of formation plating on the surface of electrode 13.
(6) then, as shown in Figure 5, to be inserted in the combined hole 2 of combination substrate 1 from the joint portion 6 of the outstanding claw-like in the one side direction below, side of a plurality of shielding boxs 5, surface encapsulation device 4 carries on combination substrate 1 (step 6 (Figure 12)) to be housed in inner state.
In addition, the length of the joint portion 6 of claw-like is the face of lift-launch shielding box 5 from combination substrate 1, through combined hole 2 but outstanding side overleaf.
(7) then, the combination substrate 1 that has carried shielding box 5 is put into reflow ovens, after making the scolder 7a fusion in the solder cream 7, cooling, the boxes that the joint portion 6 of shielding box 5 are welded in the combined hole 2 of combination substrate 1 are fixing with (Fig. 6) (step 7 (Figure 12)) on the electrode 13.
In the step that the combination substrate 1 that will carry shielding box 5 refluxes once again, because scolder 7a concentrates on the joint portion 6 of shielding box 5 because of capillarity and box is fixing with on the weld part of electrode 13, inhibition scolder 7a storage that can be more certain is stayed on the zone in the combined hole 2, that pass through for the materials that cut off combination substrate 1.
(8) thereafter, a plurality of surface encapsulation devices 4 and shielding box 5, and soldered combination substrate 1 will have been carried, cut apart by the zone cut-out that each shielding box 5 carries, obtain shown in Fig. 7 (a) like that, carry each electronic device 10 (step 8 (Figure 12)) that the surface encapsulation device 4 on substrate 11 has the structure that is housed in the shielding box 5.
As mentioned above, because scolder 7a concentrates on the joint portion 6 of shielding box 5 and the fixing weld part with electrode 13 of box, can suppress when cutting off combination substrate 1 scolder 7a and store up and stay on the cut-out line because of capillarity, under the situation of cutting off the combination substrate, can prevent the scolder depression and spin out the generation of the unfavorable condition that causes because of scolder, electronic device that can high efficiency manufacturing high reliability.
In addition, in execution mode 1, owing to be to pay the fixedly solder cream of usefulness of solder cream that the surface encapsulation device carries usefulness and shielding box simultaneously, can the reduction step number.
Also have,, can accurately manage the use amount of scolder owing to be to pay solder cream with the wire mark print process, and, can reduce the use amount of scolder, thereby, can realize the lightweight of product.Further, the user of electronic device can reduce the generation of solder ball when encapsulation.
(variation 1)
In described execution mode 1, such shown in Fig. 7 (a), be that to possess the situation of stretching out claw-like joint portion 6 under the side direction from the side with shielding box 5 be that example describes, shown in Fig. 7 (b) like that, the shape (bending shape) that joint portion 6 has had with the claw-like bending, perhaps shown in Fig. 7 (c) like that, the joint portion has the shape (band double-screw bolt shape shape) of projection D, the joint portion 6 of shielding box 5 is inserted under the situation in the combined hole, as Fig. 8 (a), what (b) model utility showed is such, also can have because of flexible pair of force, the projection D of the zigzag part of joint portion 6 and band double-screw bolt shape portion contacts like that with the inner peripheral surface (preparation solder film 17 etc.) of combined hole 2 and constitutes.
(variation 2)
Be joint portion 6 to be made meander-shaped such shown in Fig. 7 (b) or such band double-screw bolt shape shown in Fig. 7 (c) in the above-mentioned variation 1, the zigzag part of joint portion 6, the projection D of band double-screw bolt shape portion is and the contacting of the inner peripheral surface part of combined hole, on the summary central portion of as shown in Figure 9 a front part of removing joint portion 6, protrusion E is set, perhaps as shown in Figure 10, the main portion that will comprise the front of joint portion 6 makes the curved shape that longitudinally forms the such state of the F of crest line portion, the joint portion 6 of shielding box 5 is inserted under the situation in the combined hole, as Figure 11 (a), what (b) model utility showed is such, and the protrusion E of joint portion 6 and the F of crest line portion also can constitute like that near the inner peripheral surface (preparation solder film 17 etc.) of combined hole 2.
What protrusion E (Fig. 9) is set on joint portion 6 or longitudinally forms the such form of crest line portion F (Figure 10) makes it crooked, under the situation of the protrusion E of the joint portion 6 crest line F of portion near the inner peripheral surface (preparation solder film 17 etc.) of combined hole 2, identical with the situation of described variation 1, because the scolder of fusion concentrates on this easily and closely meets portion, can enough a spot of scolders shielding box be welded on the substrate, it is more effectual to allow to the present patent application.
In addition, as shown in Figure 9, on the summary central portion except that the part of joint portion 6 front ends, be provided with under the situation of protrusion E, 6 front end becomes taper to the zone of protrusion E from the joint portion, when the joint portion 6 with shielding box 5 is inserted in the combined hole 2, because the side of combined hole 2 becomes big with the gap of the front end of joint portion 6, insert easily, because the relation of joint portion 6 can prevent to insert mistake during insertion.
In addition, as above-mentioned variation 1, joint portion 6 is made under the situation of shape (Fig. 7 (c)) of meander-shaped (Fig. 7 (b)) or band double-screw bolt, the projection D of the zigzag part of joint portion 6 or band double-screw bolt shape can only closely connect with the inner peripheral surface (preparation solder film 17 etc.) of joint portion 2 and not contact and constitute like that, also can obtain under such situation and the same effect of described variation 2 situations.
Also have, as above-mentioned variation 2, the shape (Fig. 9) of protrusion E is set on the summary central portion of a leading section part of removing joint portion 6, the main portion that will comprise the front of joint portion 6 longitudinally forms under the situation of shape (Figure 10) of the such bending of the F of crest line portion, can not be that the protrusion E of joint portion 6 or the inner peripheral surface of F of crest line portion and combined hole 2 (preparation solder film 17 etc.) are closely connect, and can be locally to contact such formation with inner peripheral surface combined hole 2 (preparation solder film 17 etc.).And, under the sort of situation, can access the effect same with above-mentioned variation 1.
(execution mode 2)
Figure 13 illustrates the flow chart of the electronic device manufacturing method relevant with the present patent application execution mode 2.
In above-mentioned execution mode 1 be in the solder cream supplying step of step 3 (Figure 12) with the wire mark method on device carries with electrode 12 and the peripheral region of combined hole 2 and covering pay the surface encapsulation device on the zone of combined hole 2 parts simultaneously and carry and use and the fixing solder cream 7 of usefulness of shielding box, in this execution mode 2, be after in the step 3 of Figure 13, on device carries with electrode, paying the solder cream of surface encapsulation device lift-launch usefulness, at Figure 13 (a) or on arbitrary stage (b), with the scolder dispenser in the peripheral region of combined hole and cover on the zone of a combined hole part the fixedly solder cream of usefulness of feed cassette.
In addition, other steps of the electronic device manufacturing method of this execution mode 2 are that the situation with described execution mode 1 is as the criterion, for avoiding repeating to have omitted explanation here.
As execution mode 2, in the 3rd stage, after on device carries with electrode, paying the solder cream of surface encapsulation device lift-launch usefulness, pay the step 3 of solder cream and carry between the step 4 of surface encapsulation device carrying with electrode of: (1) Figure 13 (a) to device, on arbitrary stage between the step 5 of the welding that reaches the step 4 of carrying out the lift-launch of surface encapsulation device of (2) Figure 13 (b) and carry out the surface encapsulation device with refluxing, with the scolder dispenser in the peripheral region of combined hole and cover on the zone of a combined hole part and supply with solder cream, same with the situation of described execution mode 1, under the situation of cutting off the combination substrate, can prevent the depression of scolder or spinning out of scolder, electronic device that can high efficiency manufacturing high reliability.
Also have, adopt execution mode 2 and since be provided with in addition with the scolder dispenser the peripheral region of combined hole and a covering combined hole part the zone on pay the step of scolder, though number of steps has increased, but the degree of freedom of just inserting the applying step stage has but improved.
Also have, the change of the characteristic of consideration electronic device, the kind of solder cream and consumption, solder flux amount etc. can both be easy to carry out, and can improve the characteristic of goods and the connection reliability of shielding box in some cases.
(execution mode 3)
Figure 14 illustrates the manufacturing step flow chart of the electronic device manufacturing method relevant with the present patent application execution mode 3.
In execution mode 3, in step 3 (Figure 14) from combination substrate device carry face surface encapsulation device package face the back side one side direction combined hole around and after the zone that comprises a combined hole part supplies with solder cream, in step 4, pay solder cream to the device lift-launch with electrode with wire mark method or scolder dispenser.
In addition, other steps of the electronic device manufacturing method of this execution mode 3 are as the criterion with the situation of described execution mode 1, for avoiding repeating to have omitted explanation here.
Under the situation of the method for employing execution mode 3, joint portion with shielding box that also can be certain is welded on the grounding electrode that makes up in the substrate combined hole, can further improve reliability.
Also have, adopt the method for execution mode 3, in paying the step of solder cream, sometimes also can take place because the lift-launch state of the previous surface encapsulation device that carries, making can not be in device connection electrode printing solder, to around the combined hole and comprise the situation of paying solder cream on the zone of a combined hole part, under such situation,, also can on the zone of necessity, supply with sufficient solder cream owing to supply with solder cream from the back side one side of surface encapsulation device lift-launch face.
(execution mode 4)
Figure 15 illustrates the flow chart of the electronic device manufacturing method manufacturing step relevant with the present patent application execution mode 4.
In this execution mode 4, the same with the situation of described execution mode 1, in the solder cream supplying step of step 3 (Figure 15), carry on the peripheral region of using electrode and combined hole and the zone that covers a combined hole part at device with the wire mark method, pay the fixedly solder cream of usefulness of surface encapsulation device lift-launch usefulness and shielding box, lift-launch (step 4) at the surface encapsulation device, ((c) stage of the Figure 15 after the step 5) is on the zone that is comprising preparation solder film surface to carry out the welding of surface encapsulation device with backflow, pay with the wire mark method or with coating and/or appending of person's scolder that methods such as scolder dispenser are carried out solder flux.
As this execution mode 4, in the step 5 carry out the welding of surface encapsulation device with refluxing of (1) Figure 15 (c) with carry out on stage between the step 6 that shielding box carries, because the method with wire mark method and scolder dispenser is supplied with solder cream to the peripheral region of combined hole and the zone of a covering combined hole part, can improve the sticking lubricant nature of scolder and the adhesion of scolder, further, the box that joint portion with shielding box that can be certain is welded in the combination substrate combined hole is fixing with on the electrode, more can improve reliability.
Also having, adopt the method for execution mode 4, also can avoid reducing weldability for being necessary to inserting under the situation of other steps between device package step that makes up substrate and the shielding box installation steps, is highly significant.
In addition, be illustrated as example to be manufactured on the high-frequency electronic devices such as VCO that communicating machine etc. uses in described execution mode 1～4, the present patent application also can further be applicable to the situation of the manufacturing of other kind electronic devices.
Further with regard to other points, the present patent application is not only to be limited to described 1～4 each execution mode, shape, device about the combination substrate carry with electrode and fixing concrete shape and the structure of using figure, shielding box and the joint portion thereof of electrode of box, can increase various application and distortion within the scope of the invention.
The effect of invention
As mentioned above, the electronic device manufacturing method of the present patent application (the present invention 1) be on the device of combination substrate carries with electrode and formed on the inner peripheral surface the fixing combined hole with electrode of box on every side and/or the person comprise on the zone of a combined hole part, make not to be filled in fact on the combined hole and pay solder cream like that, through refluxing the surface encapsulation device is welded on device carry with electrode on the time, box in combined hole is fixing electroplates membranaceous preparation solder film with forming on the surface of electrode, under the joint portion with shielding box is inserted into state in the combined hole, to make up substrate refluxes once again, the joint portion and the box in the combined hole of shielding box is fixing with after the electrode welding, to make up substrate again cuts off, be divided into each electronic device, cutting off the combination substrate, when cutting apart, can suppress to cut off scolder, can the scolder depression not take place high efficiency manufacturing, scolder such as spins out at the electronic device of the high reliability of unfavorable condition.
Adopt the electronic device manufacturing method of the present patent application in other words, owing to only on device carries with electrode and on the peripheral region of combined hole and/or the zone that the person comprises a combined hole part, pay solder cream, solder cream is not filled in the combined hole in fact, in the step that cut-out combination substrate is cut apart, can suppress, prevent to cut off the scolder in the combined hole, the generation that prevents that scolder depression, scolder from spinning out etc. can access the electronic device of high reliability.
Also have, adopt the electronic device manufacturing method of the present patent application, in the step that the combination substrate that shielding box will be installed refluxes once again, because scolder concentrates on the joint portion of shielding box and fixing the using on the weld part of electrode in the combined hole because of capillarity, can suppress that scolder is poly-to be stayed on the zone in the combined hole, that pass through for the material that cuts off the combination substrate, say the spinning out of depression that prevents scolder that also can be more certain and scolder with regard to this point.
Also have, for example, carry out the fixedly such formation of solder printing of usefulness of shielding box simultaneously owing to also can enough surface encapsulation devices carry the solder printing machine of usefulness, thereby, can make scolder the amount stabilisation, can cut down the consumption of scolder.
Also have, electronic device manufacturing method as the present patent application (the present invention 2), after the surface encapsulation device being carried on the combination substrate of on device carries with electrode, having paid solder cream, make in combined hole, be not filled in fact such, at the combination substrate, around the combined hole and/or the person comprise on the zone of a combined hole part and pay the fixedly solder cream of usefulness of shielding box, then, to make up under the such situation of substrate backflow, also the situation with described the present invention's 1 electronic device manufacturing method is the same, electronic device that can high efficiency manufacturing high reliability.
Also have, adopt the present invention 2 method, with carry with electrode at device on to form the step of solder cream different, owing to be provided with the step of on the zone of the peripheral region of combined hole and a covering combined hole part, paying scolder with the scolder dispenser, though process number has increased, but, can increase the degree of freedom of inserting the applying step stage.
Also have, consider the characteristic of electronic device, can be easy to carry out the change of the kind of solder cream and use amount, solder flux amount, can improve the reliability that the characteristic of goods is connected with shielding box in some cases.
Also have, electronic device manufacturing method as the present patent application (the present invention 3), be not to be filled in fact on the combined hole like that making, on device carries with electrode, paid pay solder cream on the peripheral region combination substrate, combined hole of solder cream and/or the zone that the person comprises a combined hole part after, carry the surface encapsulation device, under the situation that the backflow of combination substrate is such, also the situation with the electronic device manufacturing method of described the present invention 1 or 2 is the same, electronic device that can high efficiency manufacturing high reliability.
Also have, electronic device manufacturing method as the present patent application (the present invention 4), after shielding box being assembled on the combination substrate, on the zone that comprises preparation solder film surface, carry out the coating of solder flux and appending under the situation of paying at least one side in the two of scolder, can improve the sticking lubricant nature of scolder, the deficiency of additional scolder (solder cream) amount of paying, also have, between combination on-chip device package step and shielding box installation steps, be necessary to insert under the situation of other steps, also can avoid reducing solder adhesion, be highly significant.
Also have, electronic device manufacturing method as the present invention 5, since be from the encapsulation of combination substrate the surface encapsulation device side the back side one side direction combined hole around and/or the person comprise in the zone of a combined hole part and supply with solder cream, can do not hindered because of the previous surface encapsulation device that carries, can on the zone of regulation, supply with solder cream, can make the present patent application more effectual.
Also have, electronic device manufacturing method as the present invention 6, taking (a) to make the joint portion of shielding box tortuous or crooked, (b) on the joint portion of shielding box, be provided with combined hole in box fix under the situation of the projection that contacts with electrode at least a method in the two, the force of paying that can be enough has because of elasticity is fixed the joint portion of shielding box and is contacted with electrode with the box in the combined hole, under such state, reflux, when can carry out the higher welding of reliability, for example, because the front end of joint portion zigzag part contacts with the projection part and inner peripheral surface combined hole of band double-screw bolt shape portion, the scolder of fusion concentrates on this contact site easily, can shielding box be welded on the substrate with a spot of scolder, can make the present patent application more effectual.
Also have, electronic device manufacturing method as the present invention 7, owing to take (a) to make that the shielding box joint portion is tortuous or crooked, (b) is provided with jut, at least a method in the two on the joint portion of shielding box, can make the joint portion of shielding box closely connect the inner peripheral surface (the fixing electrode of using of box) of combined hole, reflux in this state, for example, the inner peripheral surface part of the projection of the zigzag part of joint portion and band double-screw bolt shape portion and combined hole closely connects, can shielding box be welded on the substrate with a spot of scolder, can make the present patent application more effectual.
Also have, the electronic device of the present patent application (the present invention 8), the surface encapsulation device is welded on on-chip device and carries with on the electrode, and, the joint portion of shielding box have can with do not fill up a spot of scolder in conjunction with recess, that the shielding box joint portion is welded on the box in conjunction with the recess inner peripheral surface that is formed on substrate side is fixing with on the electrode, the spinning out of depression, scolder of scolder can not taken place, and possesses high reliability.
In addition, the electronic device of the present patent application (the present invention 8) can be to make than any higher efficient of described method among the present invention 1～5.
Also have, the shielding box joint portion of the present invention 9 electronic device is tortuous or crooked, and/or the person is provided with jut on the shielding box joint portion, tortuous or crooked part, perhaps jut has and the fixing electrode contacting structure of using of the box of the inner peripheral surface that combines depressed part that is formed on substrate side, because the joint portion of shielding box is to be in the box of paying in force and the combined hole that has because of elasticity to fix with welding under the electrode state of contact, the box that the joint portion of shielding box really can enough a spot of scolders be welded in the combined hole is fixing with on the electrode, can provide shielding box to the high electronic device of substrate installation reliability.
Also have, the shielding box joint portion complications of the present invention 10 electronic device or bending and/or person set jut on the joint portion of shielding box, complications or sweep or jut have and the fixing structure that closely connects with electrode of the box of the inner peripheral surface that combines depressed part that is formed on substrate side, owing under the sort of state, weld, the shielding box joint portion can be fixed with on the electrode by the certain box that is welded in the combined hole of enough a spot of scolders, can provide to the high electronic device of the substrate installation reliability of shielding box.
Also have, available the present invention 6 or 7 described methods, efficient is made the electronic device of the present invention 9 and 10 well.
Claims (7)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001183634 | 2001-06-18 | ||
| JP2001-183634 | 2001-06-18 | ||
| JP2001183634 | 2001-06-18 | ||
| JP2002005989A JP3899934B2 (en) | 2001-06-18 | 2002-01-15 | Manufacturing method of electronic parts |
| JP2002-005989 | 2002-01-15 | ||
| JP2002005989 | 2002-01-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1392769A CN1392769A (en) | 2003-01-22 |
| CN1203748C true CN1203748C (en) | 2005-05-25 |
Family
ID=26617113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021230501A Expired - Lifetime CN1203748C (en) | 2001-06-18 | 2002-06-11 | Electronic device and its producing method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3899934B2 (en) |
| KR (1) | KR100449122B1 (en) |
| CN (1) | CN1203748C (en) |
| TW (1) | TW536929B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4501400B2 (en) * | 2003-10-20 | 2010-07-14 | 株式会社村田製作所 | Electronic component with shield case |
| JP2007250732A (en) * | 2006-03-15 | 2007-09-27 | Fdk Corp | Electronic component and manufacturing method thereof |
| JP4910469B2 (en) * | 2006-05-02 | 2012-04-04 | 株式会社村田製作所 | Shield structure |
| JP4844260B2 (en) * | 2006-06-29 | 2011-12-28 | 株式会社村田製作所 | Electronic component and manufacturing method thereof |
| JP5588312B2 (en) * | 2010-11-16 | 2014-09-10 | アルプス電気株式会社 | Electronic circuit unit |
| CN102883550B (en) * | 2011-07-15 | 2017-02-08 | 上海闻泰电子科技有限公司 | Welding method of shielding cover and electronic circuit board |
| JP5003839B1 (en) * | 2011-09-21 | 2012-08-15 | 富士ゼロックス株式会社 | Method for manufacturing printed wiring board device |
| WO2013179527A1 (en) * | 2012-06-01 | 2013-12-05 | 日本電気株式会社 | Electronic component having shield case |
| JP2014075400A (en) * | 2012-10-03 | 2014-04-24 | Panasonic Corp | Electronic component mounting system and electronic component mounting method |
| JP2014075399A (en) * | 2012-10-03 | 2014-04-24 | Panasonic Corp | Electronic component mounting system and electronic component mounting method |
| CN106102339B (en) * | 2016-06-24 | 2018-07-13 | 中国电子科技集团公司第三十八研究所 | A kind of surface assembling method of depth cavate microwave components |
| JP6817858B2 (en) * | 2017-03-17 | 2021-01-20 | 日本電波工業株式会社 | Surface mount device and its manufacturing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014160A (en) * | 1989-07-05 | 1991-05-07 | Digital Equipment Corporation | EMI/RFI shielding method and apparatus |
| JPH04196396A (en) * | 1990-11-28 | 1992-07-16 | Toshiba Corp | Electronic device |
| JP3181502B2 (en) * | 1995-12-18 | 2001-07-03 | アルプス電気株式会社 | Shield case |
| JP3714088B2 (en) * | 1999-02-18 | 2005-11-09 | 株式会社村田製作所 | Electronic component and manufacturing method thereof |
-
2002
- 2002-01-15 JP JP2002005989A patent/JP3899934B2/en not_active Expired - Lifetime
- 2002-04-15 TW TW091107550A patent/TW536929B/en not_active IP Right Cessation
- 2002-06-11 CN CNB021230501A patent/CN1203748C/en not_active Expired - Lifetime
- 2002-06-17 KR KR10-2002-0033698A patent/KR100449122B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN1392769A (en) | 2003-01-22 |
| KR20020096953A (en) | 2002-12-31 |
| KR100449122B1 (en) | 2004-09-18 |
| JP3899934B2 (en) | 2007-03-28 |
| JP2003078243A (en) | 2003-03-14 |
| TW536929B (en) | 2003-06-11 |
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