CN102024459A - Suspension with short flexure tail, HGA and disk drive unit - Google Patents
Suspension with short flexure tail, HGA and disk drive unit Download PDFInfo
- Publication number
- CN102024459A CN102024459A CN 200910178249 CN200910178249A CN102024459A CN 102024459 A CN102024459 A CN 102024459A CN 200910178249 CN200910178249 CN 200910178249 CN 200910178249 A CN200910178249 A CN 200910178249A CN 102024459 A CN102024459 A CN 102024459A
- Authority
- CN
- China
- Prior art keywords
- magnetic head
- flexible element
- brace
- hole
- cantilever part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
The invention discloses a cantilever part for a magnetic head folding sheet combination, which comprises a flexible part, wherein the tail part of the flexible part is provided with a plurality of groups of electric leads and a plurality of bonding terminals connected with a printed circuit board, each bonding terminal comprises a connecting sheet and a hole formed at one end of the connecting sheet, the hole is electrically and mechanically connected with the connecting sheet and the printed circuit board through bonding materials, and the connecting sheet is provided with a bonding part adjacent to the hole and an exposed part for testing. Meanwhile, the invention also discloses a magnetic head folding piece combination with the cantilever piece and a disk drive unit. Because the cantilever part comprises the flexible part with the short tail part, and the bonding terminal at the tail part of the flexible part can be used for connection and dynamic performance test, the length of the cantilever part can be shortened, thereby reducing the cost of mass production of the cantilever part.
Description
Technical field
The present invention relates to a kind of information recording disk driver element, relate in particular to a kind of folded assembly in magnetic head, and disc drive unit that has the cantilever part of short flexible element afterbody and have this cantilever part.
Background technology
Disc drive unit is a kind of common information storing device.Referring to Figure 1A, traditional disc drive unit 100 consists essentially of a plurality of rotatable disks 111, be used to drive described disk 111 rotations Spindle Motor 112, around drive arm axle 113 rotations with the magnetic head cantilever combination 116 of the data on the reading disk track with described magnetic head cantilever combination 116 printed circuit board (PCB)s that are connected 117.Described magnetic head cantilever combination 116 comprises at least one actuating arm 114 and a magnetic head fold piece combination 115.
Referring to accompanying drawing 1B, described magnetic head fold piece combination 115 comprises magnetic head 121 with read/write inductive head and the cantilever part 190 that is used to carry or support this magnetic head 121.As shown in the figure, cantilever part 190 is made of the load beam 123 that fits together, substrate 125, articulated part 124 and flexible element 122.
Fig. 1 C illustrates the detailed structure of flexible element 122.As shown in the figure, be formed with electrical lead 131, a plurality of bonding terminal 150 and a plurality of test pieces 135 of many groups on the flexible element 122 along the length direction of flexible element 122.One end of electrical lead 131 passes this splicing ear 150 and this test pieces 135 is electrically connected to a prime amplifier (figure does not show), and the other end extends to cantilever tongue piece (figure does not show).Particularly, each bonding terminal 150 comprises brace 132 and the hole 133 that is formed on this brace 132.The shape in this hole 133 is similar to a key.With reference to figure 1B-1C, when connecting this bonding terminal 150 and printed circuit board (PCB) 117 by scolder, scolder flows out from this hole 133 when heating, thereby flexible element 122 and printed circuit board (PCB) 117 is bonding.
Because the shape in hole 133 does not have enough zones to place dynamic performance testing sheet 135 to carry out dynamic performance testing.Thereby, need increase by an additional areas 134 at the afterbody of flexible element 122 and be used to place dynamic performance testing sheet 135.And after the dynamic performance testing process is finished, this additional areas 134 is removed.Because this additional areas 134 makes the length of flexible element 122 increase, thus the increase of expense when causing producing cantilever part in batches.
Therefore, demand a kind of improved cantilever part, magnetic head fold piece combination and disc drive unit urgently, to overcome above-mentioned defective.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of cantilever part with short flexible element afterbody, the bonding terminal of described flexible element afterbody both can be used for bonding, can be used for dynamic performance testing again, thereby shorten the length of cantilever part, thereby reduce the expense of producing cantilever part in batches.
Another object of the present invention is to provide a kind of magnetic head fold piece combination, the cantilever part of described magnetic head fold piece combination comprises the flexible element with short-tail portion, and the bonding terminal of described flexible element afterbody both can be used for bonding, can be used for dynamic performance testing again, thereby the length of shortening cantilever part, thereby reduce the expense of producing cantilever part in batches.
A further object of the present invention is to provide a kind of disc drive unit, comprise flexible element on the cantilever part of described disc drive unit with short-tail portion, and the bonding terminal of described flexible element afterbody both can be used for bonding, can be used for dynamic performance testing again, thereby the length of shortening cantilever part, thereby reduce the expense of producing cantilever part in batches.
In order to achieve the above object, the invention provides a kind of cantilever part that is used for magnetic head fold piece combination, this cantilever part comprises flexible element, the afterbody of described flexible element is provided with many group electrical leads and a plurality of bonding terminals that are connected with printed circuit board (PCB), wherein, each described bonding terminal comprises brace and is formed on the hole of described brace one end, described hole is by adhesives electrical and described brace of mechanical connection and described printed circuit board (PCB), and described brace is provided with bonding portion adjacent with described hole and the expose portion that is used to test.
In one embodiment of the present of invention, described hole comprises a center pit and two grooves that are connected with described center pit, and the described bonding portion of described brace is between two described grooves and described expose portion.Preferably, described brace is a copper sheet.
In another embodiment of the present invention, described flexible element also comprises stainless steel layer and dielectric layers, and wherein the described insulation course of one deck is formed between described stainless steel layer and the described insulation course of another layer, and described electrical lead is formed at the described insulation course of another layer inside.Preferably, described insulation course is made by polyimide.
In an embodiment more of the present invention, described flexible element also comprises the overlayer that is formed on described flexible element surface.
The present invention also provides a kind of magnetic head fold piece combination, comprises magnetic head and cantilever part, and described cantilever part has the flexible element that is used to support described magnetic head.Described cantilever part comprises described flexible element, the afterbody of described flexible element is provided with many group electrical leads and a plurality of bonding terminals that are connected with printed circuit board (PCB), wherein, each described bonding terminal comprises brace and is formed on the hole of described brace one end, described hole is by adhesives electrical and described brace of mechanical connection and described printed circuit board (PCB), and described brace is provided with bonding portion adjacent with described hole and the expose portion that is used to test.
The present invention also provides a kind of disc drive unit, this disc drive unit comprises: magnetic head fold piece combination, described magnetic head fold piece combination comprise magnetic head and the cantilever part that supports described magnetic head, a plurality of disk on the Spindle Motor, the Spindle Motor, the printed circuit board (PCB) that is connected with described magnetic head fold piece combination that drive described disk rotation and actuating arm that is connected with described magnetic head fold piece combination of being rotatably installed in.Wherein, described cantilever part comprises flexible element, the afterbody of described flexible element is provided with many group electrical leads and a plurality of bonding terminals that are connected with printed circuit board (PCB), wherein, each described bonding terminal comprises brace and is formed on the hole of described brace one end, described hole is by adhesives electrical and described brace of mechanical connection and described printed circuit board (PCB), and described brace is provided with bonding portion adjacent with described hole and the expose portion that is used to test.
Compared with prior art, because described brace is provided with adjacent with described hole and is used for and bonding bonding portion of printed circuit board (PCB) and the expose portion that is used to test, thereby described bonding terminal both can be used for dynamic performance testing, can be used for bonding again.Therefore, do not need described additional areas to place the dynamic performance testing sheet, thereby can shorten the length of described cantilever part, and then reduce the expense of producing cantilever part in batches.
By describing technology contents of the present invention, structural attitude in detail, being reached purpose and effect, illustrated in detail below in conjunction with embodiment and conjunction with figs..
Description of drawings
Figure 1A is the stereographic map of traditional magnetic disk driver element.
Figure 1B is the stereographic map of traditional magnetic head fold piece combination.
Fig. 1 C is the partial top view of the flexible element of magnetic head fold piece combination shown in Figure 1B.
Fig. 2 is the three-dimensional exploded view of an embodiment of cantilever part of the present invention.
Fig. 3 is the vertical view of the flexible element of cantilever part shown in Figure 2.
Fig. 4 is the partial enlarged drawing of flexible element afterbody shown in Figure 3.
The sectional view that Fig. 5 cuts open along the Z-Z line of Fig. 4 after welding for flexible element.
Fig. 6 is the stereographic map of an embodiment of magnetic head fold piece combination of the present invention.
Fig. 7 is the stereographic map of an embodiment of disc drive unit of the present invention.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the object of the present invention is to provide a kind of cantilever part that is used for the magnetic head fold piece combination of disc drive unit, this cantilever part comprises flexible element, the afterbody of described flexible element is formed with bonding terminal, each described bonding terminal comprises and both can be used for bondingly, can be used for the brace of dynamic performance testing again and is formed at the hole of described brace one end.By described bonding terminal is carried out new design, described bonding terminal can be used for dynamic performance testing, thereby can shorten the length of cantilever part, and then reduces the expense of producing cantilever part in batches.
Fig. 2 has showed an embodiment of cantilever part of the present invention.As shown in Figure 2, cantilever part 290 comprises load beam 206, substrate 208, articulated part 207 and the flexible element 205 that fits together.
Referring to Fig. 2 and Fig. 6, described load beam 206 is used for load force is transferred to described flexible element 205 and the magnetic head 203 that is installed on the described flexible element 205.Load beam 206 can be made by any material with suitable rigidity, such as stainless steel, so that it has enough hardness to transmit load force to described flexible element 205.Described load beam 206 is connected on the substrate 208 by articulated part 207.Load beam 206 is provided with the pilot hole 213 that is used to make described load beam 206 and 205 alignment of described flexible element.Be formed with a salient point 211 on the load beam 206, described salient point 211 supports described flexible element 205 in the position at the described magnetic head of correspondence 203 centers.By aiming at described salient point 211 and described flexible element 205, make load force can act on described magnetic head 203 uniformly, make described magnetic head 203 work more stable.
Described substrate 208 is used to increase the hardness of whole described cantilever part 290, and it can be made such as stainless steel by the rigidity material.Described substrate 208 1 ends are formed with a mounting hole 213, by described mounting hole 213 described cantilever part 290 are installed on the actuating arm of disc drive unit.
End at described articulated part 207 is provided with a mounting hole 210, and it is corresponding with the described mounting hole 213 on the described substrate 208, and under the situation that described mounting hole 210,213 is in alignment with each other, described articulated part 207 is installed on the described substrate 208 by the part.Thereby described articulated part 207 and described substrate 208 can be by connecting in solder joint 209 place's laser bonding, and described solder joint 209 is distributed on the described articulated part 207.In addition, two steps 215 can be integrally formed in the both sides of described articulated part 207 contiguous mounting hole 210 1 ends, to increase the rigidity of described articulated part 207.In addition, the other end of described articulated part 207 extends two support chips 214, with described articulated part 207 localized immobilization on described load beam 206.
Described flexible element 205 is made by flexible material, and extends to described load beam 206 from described articulated part 207.Described flexible element 205 has the top 216 of the afterbody 238 and the contiguous load beam 206 of contiguous described articulated part 207.One pilot hole 217 is located at 216 places, top of described flexible element 205 and is alignd with pilot hole 212 on the described load beam 206, and the abundant alignment of described pilot hole 217,212 can be guaranteed the assembled with high precision of described flexible element 205 and described load beam 206.216 places, top of described flexible element 205 are provided with a cantilever tongue piece 236 to support described magnetic head 203.
Fig. 3 illustrates the detailed structure of described flexible element 205.As Fig. 3 and shown in Figure 5, described magnetic head 203 is installed on the described top 216.Described afterbody 238 is provided with a plurality of bonding terminals 304, is used for setting up electric connection with printed circuit board (PCB) 505, thereby is connected to control system.Be formed with many group electrical leads 302 on the described flexible element 205, described electrical lead 302 extends to afterbody 238 from the top 216 of described flexible element 205.
Fig. 4 illustrates the afterbody 238 of described flexible element 205.With reference to figure 4-5, be formed with a plurality of bonding terminals 304 on the afterbody 238 of described flexible element 205, for example, 6.Described bonding terminal 304 is used to connect described printed circuit board (PCB) 505.Particularly, each described bonding terminal 304 is made up of brace 402 and the hole 401 that is formed at described brace 402 1 ends.By scolder, described hole 401 is used for electrically and described brace 402 of mechanical connection and described printed circuit board (PCB) 505.Described brace 402 comprises bonding portion 4021 adjacent with described hole 401 and the expose portion 4022 that is used to test.Preferably, described hole 401 comprises a center pit 4011 and two grooves 4012 that link to each other with described center pit 4011.Described groove 4012 is about the longitudinal centre line symmetry of described flexible element 205.Described bonding portion 4021 is between two described grooves 4012 and the described expose portion 4022 adjacent with described bonding portion 4021.Described brace 402 and correspondingly described electrical lead 302 electric connections, and be used for electrically connecting with the described magnetic head 203 of magnetic head fold piece combination, and then described magnetic head is electrically connected on the control system.Preferably, described brace 402 is a copper sheet.Quantity that it should be noted that described bonding terminal 304 can change along with actual demand.
Fig. 5 be by scolder and described printed circuit board (PCB) bonding after, the sectional view that described bonding terminal area is cut open along the Z-Z line among Fig. 4.As shown in Figure 5, which floor the described bonding terminal area of described flexible element 205 be made of.From first surface 510 to second surface 520, be respectively first insulation course 502, second insulation course 503 and stainless steel layer 501.Described first insulation course 502 is supported by described second insulation course 503, and described second insulation course 503 is supported by described stainless steel layer 501.Described first insulation course 502 inside are formed with described electrical lead 302 and described bonding terminal 304.When with described afterbody 238 and described printed circuit board (PCB) 505 when bonding, described scolder 504 flows out by described hole 401, to connect described bonding portion 4021 and described printed circuit board (PCB) 505.Described expose portion 4022 is used for the dynamic performance testing of described magnetic head 203.Preferably, the following air layer 506 that also is formed with of described stainless steel layer 501 is used for described stainless steel layer 501 and printed circuit board (PCB) 505 insulation.Refer again to Fig. 4-5, in the present embodiment, described first insulated window 403 is corresponding to the border of described first insulation course 502, and described second insulated window 405 is corresponding to the border of described second insulation course 503, and described stainless steel window 404 is corresponding to the border of described stainless steel layer 501.Preferably, described first insulation course 502 and described second insulation course 503 are made by polyimide.Preferably, described flexible element 205 also comprises the overlayer (figure does not show) that is formed at described flexible element 205 surfaces.
Continue with reference to figure 4-5, on the one hand, in the assembling process of described magnetic head fold piece combination, described expose portion 4022 can be used for dynamic performance testing.On the other hand, after dynamic performance testing was intact, during heating, the described scolder 504 on the adhesive sheet of described printed circuit board (PCB) 505 flowed out from described hole 401, thereby connects described printed circuit board (PCB) 505 and described flexible element 205.That is to say that by described hole 401, described bonding terminal 304 both can be used as adhesive sheet, was used to connect described flexible element 205 and described printed circuit board (PCB) 505, can be used as the test pieces of dynamic performance testing again.
With reference to figure 6, among the embodiment of magnetic head fold piece combination 290 of the present invention, magnetic head fold piece combination 200 comprises cantilever part 290 and is installed in magnetic head 203 on the described cantilever part.Described cantilever part 290 is made up of the load beam 206 that fits together, substrate 208, articulated part 207 and flexible element 205.Described articulated part 207 is connected with described substrate 208 by the mounting hole 210 on the described articulated part 207.Then, described magnetic head 203 is installed on the flexible element 205.
Fig. 7 is an embodiment of disc drive unit of the present invention, the Spindle Motor 602 that this disc drive unit 600 comprises magnetic head fold piece combination 200, the actuating arm 604 that links to each other with described magnetic head fold piece combination 200, a plurality of rotatable disk 601 and drives described disk 601 rotations.Above-mentioned all parts all are installed in the housing 603.Because the structure and/or the assembling process of disc drive unit of the present invention are that those of ordinary skill in the art knows, therefore the more details about disc drive unit structure and assembling repeat no more.
Because described brace 402 is provided with adjacent with described hole 401 and is used for and bonding bonding portion 4021 of printed circuit board (PCB) 505 and the expose portion 4022 that is used to test, thereby described bonding terminal 304 both can be used for dynamic performance testing, can be used for bonding again.Therefore, do not need described additional areas to place the dynamic performance testing sheet, thereby can shorten the length of described cantilever part, and then reduce the expense of producing cantilever part in batches.
What more than disclose only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this.Therefore the equal variation of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (15)
1. cantilever part that is used for magnetic head fold piece combination, comprise flexible element, the afterbody of described flexible element is provided with many group electrical leads and a plurality of bonding terminals that are connected with printed circuit board (PCB), it is characterized in that: each described bonding terminal comprises brace and is formed on the hole of described brace one end, described hole is by adhesives electrical and described brace of mechanical connection and described printed circuit board (PCB), and described brace is provided with bonding portion adjacent with described hole and the expose portion that is used to test.
2. cantilever part as claimed in claim 1 is characterized in that: described hole comprises a center pit and two grooves that are connected with described center pit, and the described bonding portion of described brace is between two described grooves and described expose portion.
3. cantilever part as claimed in claim 2 is characterized in that: described brace is a copper sheet.
4. cantilever part as claimed in claim 1 is characterized in that: described adhesives is a scolder.
5. cantilever part as claimed in claim 1, it is characterized in that: described flexible element also comprises stainless steel layer and dielectric layers, wherein the described insulation course of one deck is formed between described stainless steel layer and the described insulation course of another layer, and described electrical lead is formed at the described insulation course of another layer inside.
6. cantilever part as claimed in claim 5 is characterized in that: described insulation course is made by polyimide.
7. cantilever part as claimed in claim 1 is characterized in that: described flexible element also comprises the overlayer that is formed on described flexible element surface.
8. magnetic head fold piece combination comprises:
Magnetic head; And
Cantilever part, described cantilever part comprises the flexible element that supports described magnetic head, it is characterized in that:
The afterbody of described flexible element is provided with many group electrical leads and a plurality of bonding terminals that are connected with printed circuit board (PCB), wherein, each described bonding terminal comprises brace and is formed on the hole of described brace one end, described hole is by adhesives electrical and described brace of mechanical connection and described printed circuit board (PCB), and described brace is provided with bonding portion adjacent with described hole and the expose portion that is used to test.
9. magnetic head fold piece combination as claimed in claim 8 is characterized in that: described hole comprises a center pit and two grooves that are connected with described center pit, and the described bonding portion of described brace is between two described grooves and described expose portion.
10. magnetic head fold piece combination as claimed in claim 9 is characterized in that: described brace is a copper sheet.
11. magnetic head fold piece combination as claimed in claim 8 is characterized in that: described adhesives is a scolder.
12. magnetic head fold piece combination as claimed in claim 8, it is characterized in that: described flexible element also comprises stainless steel layer and dielectric layers, wherein the described insulation course of one deck is formed between described stainless steel layer and the described insulation course of another layer, and described electrical lead is formed at the described insulation course of another layer inside.
13. magnetic head fold piece combination as claimed in claim 12 is characterized in that: described insulation course is made by polyimide.
14. magnetic head fold piece combination as claimed in claim 8 is characterized in that: described flexible element also comprises the overlayer that is formed on described flexible element surface.
15. a disc drive unit comprises:
Magnetic head fold piece combination, described magnetic head fold piece combination comprise magnetic head and support the cantilever part of described magnetic head;
The actuating arm that is connected with described magnetic head fold piece combination;
Disk;
Drive the Spindle Motor of described disk rotation; And
The printed circuit board (PCB) that is connected with described magnetic head fold piece combination;
Described cantilever part comprises flexible element, the afterbody of described flexible element is provided with many group electrical leads and a plurality of bonding terminals that are connected with printed circuit board (PCB), wherein, each described bonding terminal comprises brace and is formed on the hole of described brace one end, described hole is by adhesives electrical and described brace of mechanical connection and described printed circuit board (PCB), and described brace is provided with bonding portion adjacent with described hole and the expose portion that is used to test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178249.0A CN102024459B (en) | 2009-09-23 | 2009-09-23 | Cantilever part with short flexible part tail part, magnetic head folding sheet combination and disk drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178249.0A CN102024459B (en) | 2009-09-23 | 2009-09-23 | Cantilever part with short flexible part tail part, magnetic head folding sheet combination and disk drive unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102024459A true CN102024459A (en) | 2011-04-20 |
| CN102024459B CN102024459B (en) | 2014-09-24 |
Family
ID=43865671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910178249.0A Active CN102024459B (en) | 2009-09-23 | 2009-09-23 | Cantilever part with short flexible part tail part, magnetic head folding sheet combination and disk drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102024459B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044256A (en) * | 2009-10-16 | 2011-05-04 | 新科实业有限公司 | Suspension member and manufacturing method thereof, magnetic head suspension assembly provided with the suspension member, and disk drive |
| CN103578486A (en) * | 2012-08-02 | 2014-02-12 | 新科实业有限公司 | HGA and disk drive unit |
| CN104700844A (en) * | 2013-12-09 | 2015-06-10 | 新科实业有限公司 | Flexures, HGAs, and Disk Drives |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100592390C (en) * | 2005-11-29 | 2010-02-24 | 新科实业有限公司 | Magnetic head folding sheet combination and magnetic disk driving unit containing the same |
| CN101042875A (en) * | 2006-03-24 | 2007-09-26 | 新科实业有限公司 | Magnetic head flap assembly and its flexible printed circuit and testing method |
| CN101174422A (en) * | 2006-10-30 | 2008-05-07 | 新科实业有限公司 | Micro-actuator, magnetic head folding sheet combination containing the micro-actuator and disk drive unit |
-
2009
- 2009-09-23 CN CN200910178249.0A patent/CN102024459B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044256A (en) * | 2009-10-16 | 2011-05-04 | 新科实业有限公司 | Suspension member and manufacturing method thereof, magnetic head suspension assembly provided with the suspension member, and disk drive |
| CN103578486A (en) * | 2012-08-02 | 2014-02-12 | 新科实业有限公司 | HGA and disk drive unit |
| CN103578486B (en) * | 2012-08-02 | 2017-12-05 | 新科实业有限公司 | Magnetic head folding sheet combination and disk drive unit |
| CN104700844A (en) * | 2013-12-09 | 2015-06-10 | 新科实业有限公司 | Flexures, HGAs, and Disk Drives |
| CN104700844B (en) * | 2013-12-09 | 2018-08-10 | 新科实业有限公司 | Flexible part, magnetic head tabs combination and disk driver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102024459B (en) | 2014-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8400736B2 (en) | Slider top bond design with shorted pad configuration | |
| US8665566B1 (en) | Suspension tail design for a head gimbal assembly of a hard disk drive | |
| US7391594B2 (en) | Apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head | |
| JP2006049751A (en) | Magnetic disk drive, wiring connection structure and terminal structure thereof | |
| JP5869200B2 (en) | Head gimbal assembly and disk drive | |
| US7777991B2 (en) | Head gimbal assembly with improved interconnection between head slider and suspension, fabricating method thereof, and magnetic disk drive with the same | |
| US20090207529A1 (en) | Flexible printed cable, head stack assembly with the same and manufacturing method thereof | |
| CN102915746B (en) | Cantilever part, magnetic head folding piece combination and hard disk drive unit | |
| US8446696B2 (en) | Suspension having a short flexure tail, head gimbal assembly and disk drive unit with the same | |
| CN101763862B (en) | Head stack component, its manufacturing method and interconnect apparatus used thereto | |
| CN101206868B (en) | Improved magnetic head tabs combination and its manufacturing method and disk drive unit | |
| US6771470B1 (en) | Magnetic head assembly having a rotational arm for electrically connecting the magnetic head to an external circuit and methods of manufacturing the same | |
| CN102024459A (en) | Suspension with short flexure tail, HGA and disk drive unit | |
| CN102044257A (en) | Suspension member and magnetic head gimbal assembly with the suspension member, hard disk drive | |
| US7009816B2 (en) | Head support mechanism and magnetic disk device | |
| CN102467913A (en) | Magnetic head suspension assembly and disk drive | |
| JP2007052909A (en) | Flexible cable frame assembly for hga of disk device, and head gimbal assembly using the same | |
| CN100559474C (en) | Magnetic head folding sheet combination with additional plate and its manufacturing method | |
| CN100411013C (en) | Magnetic head suspension assembly and manufacturing method thereof | |
| CN101840704A (en) | Cantilever part with additional contact, magnetic head folding piece combination and disk drive unit | |
| CN101295513B (en) | Suspension member and manufacturing method thereof, magnetic head gimbal assembly and disk drive unit | |
| CN103578486B (en) | Magnetic head folding sheet combination and disk drive unit | |
| JP4966515B2 (en) | Head stack assembly and manufacturing method thereof | |
| CN103200763A (en) | Connection structure of printed wiring board, printed wiring board and manufacturing method for printed wiring board connector | |
| US20100246065A1 (en) | Suspension with additional bonding pads, head gimbal assembly and disk drive unit with the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |