DE3214841C2 - Connectors for I.C. assemblies - Google Patents

Description

The invention relates to a connector for IC modules according to the preamble of claim 1.

Such a connector is known from US Pat. No. 4,266,840, for example. The one described therein Connector has two clamping plate parts, which are arranged above the clamping plate parts via a and separate hinge connection this pivotally connects so that when you insert a IC assembly in the socket body, the bottom of the IC assembly on the swivel connection presses. As the insertion depth of the IC assembly increases, the clamping plates are against the socket contact springs pressed, which in turn, the legs of the IC assembly increasingly solid against the Press on support surfaces formed by the edge areas of the socket body. This means that the IC package is already increasingly determined during the setting in the socket and thus there is a risk of that firstly the IC assembly does not reach the intended end position and secondly because of the increasing Insertion pressure the connecting legs can be bent, so that inaccuracies in a uniform Contact pressure of the socket contacts on the multiple connecting legs to disrupt the electrical Function. Similar problems occur with the socket device described in US Pat. No. 4,189,199 on, in which the IC assembly on plate elements and via this actuated spring contacts presses during insertion. Other IC sockets in which the spring force is already applied during of inserting the IC package into the socket through the inserting operation are disclosed in U.S. Patent 38 83 207 and 37 50 085 with the resulting consequences. However, if the main area of application the socket body in electrical circuits arranged, for example, on printed circuit boards is sought, in which a permanent and reliable function of the IC package is required, then It is of particular importance that, firstly, the IC assembly clearly reaches the desired position and on the other hand, avoiding any contact bending in the contact legs of the IC assembly as far as possible will. The IC sockets just described are not very suitable for this purpose. in which the IC assembly is first inserted into the socket and then the socket legs be clamped. Such arrangements are for example in US-PS 39 97 227 or 40 54 347 or 42 66 839 described where arranged through centrally

ίο rods have a compressive force or tensile force or rotary thrust force is exerted on the spring contacts. Since such arrangements are very complex and in the These arrangements could not be economically feasible in relation to the price of the IC modules not enforce for the intended areas of application.

It was therefore a simpler solution with plastic folding parts proposed, as described in US-PS 41 93 656. In this solution, the is used Kiappvorrichtung due to the selected choice of material at the same time as a spring element on the connecting legs should apply the desired spring force. Apart from the fact that with this IC socket likewise the spring force of the plastic actuating part already during the insertion of the IC assembly into the Socket is applied, such an elastic plastic material can not have a uniform pressing force exercise on all connector contacts at the same time.

Another version of an IC socket with a folding mechanism that only works when the IC module is inserted is operated is described in US Pat. No. 3,820,054. Although the solution described therein initially appears simple, this construction can only be used as a single frame with a large distance to other frames.

3; solutions are arranged because the side faces of the Socket for the actuation of the clamping device must be spaced from one another.

This property, one setting not to another both in the longitudinal direction and in the transverse direction like this to be able to start, which is initially important for printed circuits, whether these are directly connected to IC modules or fitted with sockets inserted in between, the construction is also liable according to the U.S. Patent 4,266,840. Because even with this IC socket, the one caused by the construction of the spring contacts Design, an identity between the contact legs of the IC assembly and solder connection pins of the socket different, so that a further space-saving construction of the side walls are not taken into account can. In addition, a separate fuse must be used in the construction according to US Pat. No. 4,266,840 Locking pawls are provided, which prevents the clamping plates from shaking the socket according to the spring forces acting on it from the unstable holding state to the more stable release state swivel open and thus release the IC assembly in its contact with the socket contacts. Such a pawl lock, however, prohibits a simple and inexpensive construction.

The invention is therefore based on the object to provide a connector for IC modules according to the To create the preamble of claim 1 such that the connector in its external dimensions and its Contact arrangement in almost all circuits

b5 for the direct assembly with IC modules are provided, can also be used in close group arrangements and that this connector is clamped the IC assembly after its insertion into

the contacts simply made possible without sacrificing a particularly simple and inexpensive construction must be dispensed with.

This object is achieved by the characterizing features of claim 1. Advantageous further training result from the subclaims.

A particular advantage of the invention can be seen in the fact that the new connector is also suitable for the subsequent Assembly of already existing printed circuits can be used because when unsoldering a damaged IC module in the place of which the new connector can be soldered and so the remaining elements of the printed circuit are not endangered by repeated soldering processes. The individual IC modules can then be exchanged simply by opening and closing the socket contacts possible. However, this assumes that the dimensions of the new connector essentially correspond to those of the IC module itself and, moreover, the contacts solder connection pins or Wrap connections, which in their arrangement of the arrangement of the connecting legs of a IC assembly correspond. For example, the solder pin of the new one is particularly advantageous Connector with a square cross-section was chosen because it causes the IC socket to "float" cannot take place during automatic soldering in a solder bath, because the liquid solder takes place between the side walls of the solder connection pin, which is square in cross-section, and the round hole in the circuit board enough space to step through and swim up to prevent.

Another major advantage of the invention is the fact that the new connector is also used in Shocks can hold the IC assembly securely because the clamping plates are in the locked position have a stable position and are only transferred into the even more spring-loaded clamping position in the event of vibrations would have to be that they can move from the unstable clamping position into a stable release position again. By creating a locking position that goes beyond the clamping position, it becomes a special one simple and yet extremely effective securing of the IC modules used is achieved.

So that the construction of the new connector remains simple even in the released position, it is provided on the one hand, that the hinge connection between the clamping plate parts has a pivot angle limitation has, so that the spring forces acting on the outer clamping plate edges also in the release position Hold the clamping plate device in a clamped arrangement in the device. This means that at the outer clamping plate edges directly from the spring contacts and through the new connector separately trained retaining profile elements held which would be costly both in terms of construction and costs. The retaining profiles are advantageously and the shape of the outer clamping plate edges in the shape of a segment of an arc or even a segment of an arc formed so that the clamping plate edges can serve as bearings and the spring elements as bearing shells. Transverse grooves provided in this bearing increase in the precise guidance achievable by the bearing on the one hand, on the other hand, the frictional forces, so that a targeted transfer from the release position via the clamping position to the locking position and back is possible is. For this purpose, at least one end face of the clamping plate parts is advantageously a Actuation pin formed, which can also be arranged on both sides. This is particularly advantageous the selected construction of the hinge parts molded onto the clamping plates and / or the hinge pin the swivel connection.

Since the locked position is only possible through a stop point for the clamping plate device on the top the socket body must be formed. would basically require the provision of a corresponding stop at the top of the socket body are sufficient for this purpose. However, it is particularly advantageous to design the surface of the socket body in a V-shape with a large angle in between, because this means that point loads are not transferred to the clamping plate device in the event of vibrations be, but because this clamping plate contact surfaces can be achieved, which the disadvantageous Exclude point loads and thus further secure the clamping plate parts in the locked position contribute. The formation of these clamping plate contact surfaces can already be achieved during the manufacture of the Clamping plate body taken into account in the printing or spraying process without significant additional tool costs will.

Equally simple and therefore advantageous is the formation of the socket contacts, which are largely or entirely integrally formed can be pressed into the socket body. Since the upper end regions of the Contacts are designed as spring tongues, they deliver the desired spring pressure on the outer clamping plate edges. To the spring tongues with the contacts under a corresponding bias in the socket body to be able to use is particularly advantageous if a spring tongue contact surface on the top of the socket body, which extend into the socket body in the form of a notch can. It is sufficient if the spring tongue forms a small angle with the spring tongue contact surface, which essentially determines the spring travel.

In a simpler embodiment of the new connector, the contact legs of the IC package pressed by the spring tongue against a support surface which is supported by a raised edge of the socket body is formed. This raised edge can advantageously have an inlet slope, which facilitates the insertion of the IC assembly into the IC socket

In another embodiment of the new connector, the support surface is a support contact formed, which is formed at the upper end portion of the socket contact with this, so that the upper end portion of the contact on the one hand from the spring tongue and on the other hand consists of the support contact. For example, a tulip-like solution for the upper End area of the contact can be selected, in which a part of the contact through two corresponding incisions is designed as a spring tongue. If particularly high holding forces are sought, then the Support contact is largely solid with the socket contact and a separate spring tongue with the Socket contact connected so that the spring tongue extends from the lower end area through the middle holding area extends into the upper end region of the socket contact. In such an embodiment, advantageously, the support contact has a head section have, which gives the Stülzkontakl a further strength in the upper area and a nose-shaped Has contact surface whereby a rigid

kcr punctiform and less flat loading occurs, resulting in more intense contact between Contact leg of the IC assembly and the socket connector leads. As a result of the seat contact, in addition to the moduli of elasticity in the clamping plate and essentially another lülastizilälsmoment in the spring tongue achieved. This is particularly important because of the small construction dimensions if possible, all parts of the new connector must be used functionally.

To this end, there is a further advantage if the support contact is at a small distance from a support contact contact surface meets, which can be formed in the edge region of the socket body and thus on the one hand an overstretching the support contacts when inserting IC modules or when handling the contacts in any other way and on the other hand the risk of contact with a neighboring contact of the neighboring one IC socket prevented.

Of course, the new connector can also be used with test socket brackets at a pronounced Test socket connectors can be formed by simply providing the new connector with actuating pins, which are advantageously the hinge pins that reach into a corresponding lever device of a test socket. This will also work for The field of test sockets has achieved a versatile applicability of the new connector, which is another The advantage for a uniform construction of the connector is Additional advantages and details of the invention emerge from the following description with reference to the drawing. In it shows

F i g. 1 shows a section transverse to the longitudinal direction of the connector, in which the clamping plate parts are shown once in the release position and in dashed lines in the clamping position;

F i g. 2 shows a representation similar to that in FIG. 1, but with the clamping plate parts shown in the locked position and wherein the IC package is shown in its entirety;

F i g. 3 shows the transverse view of a first embodiment of the socket contact, which in one embodiment according to FIG. 1 and 2 is used;

F i g. 4 shows the longitudinal view of the socket contact according to FIG. 3;

Fig. 5 is a transverse view of the clamping plate device;

F i g. 6 is a plan view of the clamping plate device according to FIG. 1 and 2 and 5;

F i g. 7 shows a section through a socket body in which socket contacts have not yet been inserted;

F i g. 8 is a plan view of the socket body according to FIG. 7;

F i g. 9 shows a section through another embodiment of a socket contact, in which the support surface is formed with the socket contact;

Fi g. 10 a further embodiment of the socket contact similar to FIG. 9, which is tulip-shaped is trained; '

F i g. 11 shows a further embodiment of a socket contact with a special support contact and socket body adapted to it; ^:

F i g. 12 is a side view of a lever device of a test socket; and

Fi g. 13 is a plan view of the lever device according to FIG Fig. 12.

According to FIG. 1, a socket body 1 has an underside 2, a top 3 and lateral long sides 4. The top J of the body 1 is between in the Body 1 inserted socket contacts 5 covered by a Klcmmplallenanlagefluchenabschniit 6, on the free upper side of which is the small board support surface 7 trained isl. The Klemniplaticnanlagefläche 7 is V-shaped formed from the middle of the socket body and includes an obtuse angle of about Ib5 ". Of course, the angle can vary depending on the purpose Socket body for a range of 180 ° and 150 ''

ίο exercise the same function according to the invention. To the outer boundary lines 8 of the clamping plate storage surface 7, this merges into a spring tongue contact surface 9, which extends relatively steeply down to the top 3, where the contact 5 with an upper end region 10 protrudes from the body top 3, while a central holding area 11 of the contact 5 with a Press fit is attached in the socket body 1. From the underside 2 of the body 1 there is a lower end region 12 of the contact 5 perpendicularly downwards and merges into a solder connection pin 13, which in cross section Is square-shaped and has a tip 14, which for easier introduction of the solder terminal pin 13 is used, for example, for drilling circuit board holes.

The longitudinal sides 4 of the socket body 1 merge into a socket edge 15, which on its upper end face 16 has a run-in bevel 17, which points obliquely downward from the upper end face 16 towards the center of the frame and up to an inner frame edge Side surface 18 is sufficient, as in particular in FIG. 7 shown.

At this point it should be pointed out that corresponding parts in all figures have the same reference numerals are provided so that a separate description can be omitted.

In this embodiment, the inner side edge 18 serves as a support surface 19 for a connecting leg 20 the IC assembly 21, which is inserted into the socket 1, and by a clamping device 22 according to the form of representation from F i g. 2 with the back surface 24 of a spring tongue 23 against the inner side edge 18 of the Frame edge 15 is clamped.

It is in Fig. 1 from a left clamping plate part 25 'and a right Klemniplattenteii 25 "put together Clamping device 22 in release position 26 with solid lines and a clamping position 27 shown with dashed lines, while a locking position 28, which also corresponds to the division of operations in Fig. 2 is shown.

The clamping device 22 has a pivot connection 29, which softens the two clamping plate parts 25 ' and 25 ″ by means of hinge axis catches 30. In the illustration according to FIG 25 ′ and 25 ″, a pivoting path limitation 31 formed in the area of the joint axis detent 30 on, which in the release position 26 according to Fi g. 1 by mutual abutment to each other the pivot path limited beyond the release position Likewise, on the top of the two clamping plate parts 25 'and 25 " an upper Schwenkwegbegrenzüng32 is provided, which has a pivoting path downwards beyond the locking position 28 can also limit, because thereby in the manufacture and assembly of the clamping device 22 a better Work preparation is possible From the function

of the clamping device 22 itself it is in the one shown Embodiment not necessary to provide an upper pivot limit 32, since the lower ropes 33 'or 33 "of the clamping plate parts 25' or ^ 25"

anyway in the locking position 28 rests against the clamping plate contact surface 7 and thus limits the pivoting path.

The outer clamping plate edges 34 'and 34 "preferably have an arc-shaped contour 35, which at least partially correspond to the circular arc contour 37 of the holding profile elements 36 and on a front surface 38 of the spring tongue 23 rest. Between the outer clamping plate edges 34 'and 34 " are projections 39 - as in FIG. 6 shown - provided, which is located between the socket contacts 5 extend.

According to FIG. 3 shows a single socket contact 5 in a transverse view, and according to FIG. 4 is the same Contact 5 shown in a longitudinal view, clearly transverse grooves 40 can be seen, which have a frictional effect with the connecting legs 20 of the! C unit 2! cooperate. In addition, in the illustration according to FIG. 4 to see that anchoring hook 41 is provided are, with which the contact 5 are also anchored in its press fit in the socket body 1 can. At approximately the level of the anchoring hook 41, the contact 5 merges into the lower end region 12, where a transition paragraph 42 merges into a square cross-section. At the upper limit of the middle Holding area 11, on which the spring tongue 23 according to FIG. 2 extends to a spring tongue end 43 is a Contact space 44 is provided, which at the same time the distance between the support surface 19 and the back surface 24 of the spring tongue 23 is limited. The spring tongue 23 is in the embodiment according to the invention as a retaining profile element 36 formed with the arched contour 37, as is also shown in FIG. 3 shown.

In Figure 5, the clamping device 22 is again in the release position 26 shows how the clamping device 22 is inserted into the socket body 1 prior to assembly and then the position according to FIG. 1 in solid lines.

In FIG. 7, the socket body 1 is without contacts 5 and clamping device 22 shown. The raised frame edge 15 with the associated Inlet inclined 17 shown more clearly. In addition, the receiving chambers 45 can be seen in which the contacts 5 can be used.

According to FIG. 8 is a plan view of the socket body 1 according to FIG. 7 shown in which the receiving chambers 45 and the inclined inlet 17 can be seen in plan view. Likewise are the spaces between the individual receiving chambers 45 in which the clamping plate projections 39 engage and thus prevent the clamping device 22 from slipping in the longitudinal direction of the frame.

In Fig. 9 is another embodiment of a socket contact 46 shown, in which the inner side edge 18 is covered by a seat contact 47, so that the terminal leg 20 of the IC assembly 21 is not against the inner side edge 18 but against the Support contact 47 is clamped, which thereby forms the function of the support surface 19 Since the support contact 47 partially fills the contact space 44, this creates the clearance for the connecting leg 20 of the IC assembly 21 when inserting the connecting leg 20, the support contact 47 is substantially restricted up to the bevel 17 pulled up, so that the connecting legs 20 get caught when the IC module 21 is inserted and thus the risk of damage is reduced.

InFi g. 101st another embodiment for one Another socket contact 48 shown, in which a support contact is also provided and the contact 48 and the socket contact 47 have a tulip-shaped design, the tulip base 49 in the Socket body 1 protrudes and thus a lower overall height for the socket body equipped with an IC module is achieved. In addition, the socket contact 48 is split lengthways, while the socket contact 46 according to FIG. 9 has the same embodiment as the socket contact 5 and only through the Siülzkontakt 47 is supplemented.

In the embodiment according to FIG. 11, the support contact 50 is designed as the main contact and the spring tongue 23 has an extension that extends into the middle holding area 11 as far as the lower end area 12. In the embodiment according to FIG. 11, the spring tongue 23 is riveted or welded to the solidly designed support cone 50. Of course, the support contact 50 can also be formed in one piece with the spring tongue 23. Furthermore, in the embodiment according to FIG. 11, the clamping plate contact surface 7 is extended somewhat further into the contact space 44 than is the case with the embodiment according to FIG. 1 is the case where the clamping plate contact surface 7 merges into a curve after the outer boundary line 8, as can be clearly seen from FIG. 7 can be seen. In the embodiment according to FIG. 11, therefore, the spring tongue contact surface 9 extends from the top 3 of the socket body 1 to the clamping plate contact surface 7 in a flat course. The spring tongue contact surface 9 forms an acute angle β with the front surface 38 of the spring tongue 23, which is in the order of magnitude of 0 ° to approximately 30 ° and preferably 15 ° depending on the position of the clamping device 22. The frame edge 15 also has a support contact contact surface 51 which encloses an acute angle γ with a rear side 52 of the support contact 50. Which, depending on the load on the support contact, is between> 0 ° and approximately 30 °, preferably 15 °. The main purpose of the contact surface 51 is to ensure that the support contact 50 cannot be bent beyond the outer longitudinal side 4 of the socket body 1, thereby creating the risk of an undesired current connection being established with the corresponding support contact 50 of an adjacent socket. The support contact 50 has a head region 53 which is essentially like the edge 15 according to the embodiment of FIG. 1 has a run-in bevel 17. The run-in bevel 17 merges into a nose projection 54, which carries the support surface 19 or a contact zone on its front side, which can exert a more punctiform load on the terminal leg 20 of an IC module 21.

In the embodiment according to FIG. 11 of the support bar 50 the main pressure forces the connecting leg 20 with a certain range of elasticity, while the spring tongue 23 initially the Forms main spring travel and then the essential pressure forces of the clamping device 22 of the Clamping plate parts 25 through the solid material of the spring tongue 23 from the front surface 38 to the back surface 24 and thus transfers to the connecting leg 20. Thus, the spring tongue 23 has an auxiliary contact and a holding profile function, the main function being of course The contact space 44 is seen in the introduction of the spring forces for the clamping device through the back surface 24 of the spring tongue 23 and through the front surface of the lintel contact 50 laterally and afterwards bounded at the bottom by the tube bottom 49. When the socket body I is formed in one piece, i.e. mil

it

the clamping plate contact surface section 6 and the Frame edge 15 in one-piece design, then through the spring tongue contact surface 9 on one side and the support contact contact surface 51 is formed on the frame edge side, a notch in which the socket contact 55 composed of spring tongue 23 and seat contact 50 can be used.

In Fig. 12, a test socket 56 is shown, the one Has lever device 57, in the actuating lever 58 a recess 59 is provided into which a Actuating pin 60 protrudes. The actuating pin 60 can be the Gclenkachseraste 30, which is either direct extended or protrudes into the recess 59 via a driver 61 and thus via the actuating lever 58 a pivoting of the clamping device 22 from the release position via the clamping position 27 into the Locking position 28 and back allows. In Fig. 13 is a plan view of the device according to FIG. 12, which is essentially the top view of the illustration according to FIG. 6 corresponds, in which also the actuating lugs 62 with associated locking bolts 63 are provided. The latching bolts 63 can in this case on a clamping plate part 25 'in a slight protrusion curvature be designed so that they are in bores 64 of the actuating lugs 62 due to an elastic Deformation of the actuating lugs 62 can snap into place during assembly. Here are the operating approaches 62 in the clamping plate part 25 ″. In the bores 64 of the actuating lugs 62 can then be used hinge pin 30, which in its extension in the lever device 57 protrude or, in another embodiment, a pin of the lever device 57 is in the Bore 64 of the actuating extension 62 introduced.

With the features of the invention described above, connectors suitable for series production can be made or sockets are created, which are easy to manufacture from insulating material and in which contact chambers provided therein socket contacts can be pressed in. Since the packing density of the Semiconductors require a small size of the socket body, they have to be arranged in a row from four sides be what is only possible with a socket according to the present invention. There are very high requirements the electrical and mechanical properties must be made available in the standing limited space find space for miniature contacts with pre-tensioned contact springs. To the electric Conditions to be met and the semiconductor components from loosening and falling out due to vibration and other adverse environmental conditions must be maintained with relatively high spring forces work can be carried out in a small space without the need for highly pretensioned spring contact legs as is the case with known ones Devices Damage to the contact points and high insertion and extraction forces required are.

In the event of vibrations in unfavorable frequency ranges, the spring contacts can be damaged by secondary natural vibrations lose their holding power, so that the semiconductors fall out of the IC socket or at least Contact fluctuations can be the result. This is especially in aerospace field applications as well as an intolerable one in electroplating and other important areas of application Disadvantage which is avoided by the present invention. Furthermore, the long-term function is soft Contact springs for IC modules under environmental influences such as heat, cold, aggressive industrial atmosphere, Humidity etc. often not guaranteed.

Since it is necessary to work with high spring forces in a very small space, it is used in many cases high-quality special contact materials, precious metals, precious metal cladding and therefore a complicated and expensive manufacturing method required, which is also avoided by the present invention will. With high-quality connectors, the “dual-in-line” series is made up of several Contact parts formed, wherein a gold-plated inner spring is pressed into a turned outer sleeve, whereby additional voltage losses and the risk of corrosion can result. This is particular too taking into account the sockets for high frequency applications. Another Disadvantage, which is avoided by the present invention, is that with cheap versions there is a risk there is that the connector can be tucked behind, d. that is, the terminal leg 20 upon insertion behind or next to the contact legs of the connector contacts. To this end, a Another disadvantage of cheap versions shown by the fact that receiving chambers always open towards the circuit board When soldering in again, let liquid solder and solder vapors penetrate into the contact zones and thereby create a prevent safe contact closure. In this context, even with high-quality connectors Floating during automatic soldering in the soldering bath is also a problem that was already described at the beginning has been. The paragraph between the solder joint, pin and middle part therefore has the task that the centering and support function of the connector with respect to the circuit board is guaranteed and closes through the transition bevel, tightly seal the PCB hole from above, which is caused by the hot solder can lead to floating of the entire IC socket, provided that not provided according to the invention Features prevent this.

When evaluating the connector according to the invention, it is therefore important that the contact closure of all connecting legs of an IC assembly take place simultaneously and by mechanical clamping as far as possible got to. In addition, the insertion and removal of the connecting legs of the IC assembly should be reliable without Force and friction at the contact points should be possible and the contact closure should be absolutely secure, regardless of vibrations and other environmental influences. These properties are allowed not suffer even with high plug-in frequency, but must ensure a perfect contact closure. Due to the simple construction, expensive contact materials and precious metal coatings as well Complicated manufacturing processes can be dispensed with, which can be achieved in one piece, for example, by means of a one-piece formed contact is achieved, which in its shape already a contact in the upper Part of the connector reliably reached The bottom of the socket should be completely solder-tight be and the solder pin be designed so that the automatic Soldering in the solder bath there is no risk of floating. In summary, the advantages result in contrast to the requirements outlined above in that with mechanical Pressurization creates a high contact pressure evenly on all connecting legs of a semiconductor module is exercised and through the large contact opening

13th

in the case of loosening, inserting and removing the Semiconductor assembly is possible easily and without friction. Absolute contact point? is also with vibrations and environmental influences such as temperature fluctuations, industrial atmosphere and the like. the Clamping plates can be easily and quickly exchanged at any time, even if the fiber body is soldered in accidentally damaged. A contact manufacture from expensive special contact spring materials, such as. B. copper beryllium, noble metal plating and gold plating is not required and the production of the contacts is extremely simple and inexpensive feasible without technical risks, the simple shape also contributing to the fact that the contact is already made safely in the upper area of the contact schenkeis is fulfilled and additionally an absolute due to the transverse grooves in the contact area of the contact legs Safe Kentaktgabe guaranteed even with oxidized connector plugs Because the contact is continuous is formed in one piece, transition losses can can be avoided and due to the firm contact with the clamping plates or the edge of the frame, there is none Risk of hiding. Due to the tight press fit of the contacts, they are absolutely tight against the penetration of solder and liquid solder and due to the qua- Dratic cross-section of the solder connection is a floating of the socket in the case of automatic soldering in the There is no need to worry about the solder bath, because the liquid solder has enough space on the side to run along the solder post To get to the top of the circuit board. The dimensions ensure that it can be lined up from all sides and the space-saving clamping system there is no need to increase the overall height in the closed and locked state.

35

In addition 6 sheets of drawings

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50 &

55

bO

Claims (18)

Claims: 1. Connector for IC modules a) with an insulating socket body b) with several socket contacts. 1. which in the socket body ent- ίο the multiple connecting legs of an IC module are arranged speaking and 2. which each have an end region designed as a solder terminal pin, the protrudes vertically from the bottom side of the socket body 3. further have a central holding area which is at least partially form-fitting is secured in the socket body and extends through the socket body, and 4. finally have an upper end region, which is used as a connecting element of the Top of the socket body protrudes and at least in part of its extension is designed as a spring element, which runs along a respective perpendicular to the socket contact longitudinal direction Spring travel is displaceable, the spring elements to one along the longitudinal sides on the top of the socket body provided support surface are arranged at a distance such that the connecting legs between them the IC assembly can be used, and 35 c) with a clamping device, which at least two clamping plate parts with one in their Has longitudinal pivot connection and the outer clamping plate edges are comprised of retaining profile elements and both in a release position and in a clamping position of the clamping plate parts rest on the spring elements, in the release position the clamping plate parts are inclined upwards from the top of the socket body in a gable-like manner and wherein in The clamping position of the clamping plate parts is a plane parallel to the bottom side of the socket body form and the spring elements against the longitudinal sides of the connecting legs of the IC module and these can be pressed against the support surface and d) with a contact surface formed on the top of the socket body on which the Clamping plate device at least in a position different from the release position the clamping plate parts are at least partially in contact, characterized eo e) that the clamping plate parts (2) can be converted into a locking position beyond the clamping position are, in which the clamping plate parts c (2) towards each other downwards in the direction of b5 the top (20) of the socket body (1) are inclined and at least partially on the contact surface (20) are close, 0 that each spring element (8) as a massive spring tongue (23) with one on the outer clamping plate edge (9) adjacent front surface (38) and a back surface facing the support surface (19) is formed, and g) that the spring elements (8) in their material thickness are arranged between the clamping plate edge (9) and the support surface (19). 2. Plug connection according to claim 1, characterized in that that the pivot connection (3) has a pivot angle between the clamping plate parts (2) has delimiting hinge connection (23), which is made on the end face of the clamping plate parts (2) arranged hinge bearing (5) and a hinge locking pin (6) 3. Plug connection according to claim 1 or 2, characterized in that the retaining profile elements are formed by the spring tongues (8). 4. Connector according to claim 3, characterized in that the holding profile of the holding profile element consists of an arc-segment-shaped section (9) at the free end of the spring tongue (8) is formed 5. Connector according to claim 4, characterized in that the arcuate segment-shaped section (9) is formed in the shape of a circular arc segment. 6. Connector according to claim 4 or 5, characterized in that the outer clamping plate edge one the arc segment-shaped section (9) has a corresponding arcuate contour (35). 7. Connector according to one of claims 4 to 6, characterized in that the spring tongue (8) on the back surface and / or on the front surface Transverse grooves running in the longitudinal direction of the frame (10) 8. Connector according to one of claims 1 to 7, characterized in that actuation sets are formed on the end faces of the clamping plate parts are with which they move from the release position to the clamping position and also to the locked position and can be swiveled back. 9. Connector according to one of claims 1 to 8, characterized in that the contact surface section formed on the upper side (20) of the socket body (1) and having the clamping plate contact surface has a contour line formed from the bottom> m cross-section when the clamping plates are in the locked position at least partially corresponding to this cross-section. 10. Connector according to claim 9, characterized in that the contour line is V-shaped and an angle of> 180 ° and <150 ° and preferably includes about 165 °. 11. Connector according to claim 9 and 10, characterized characterized in that the contact surface section has a spring tongue contact surface, against which the spring tongue (23) can be applied at least partially under spring pressure. 12. Connector according to claim I, characterized in that that the spring tongue contact surface extends from the middle holding area of the socket contact extends to the clamping plate contact surface (20) of the clamping plate. 13. Connector according to claim 12, characterized in that that the front surface of the spring tongue (8) with the spring tongue contact surface (20) at least in the case of clamping and annealing plate parts includes an acute angle of> 0 ° and <45 ° and preferably about 15 ° 14. Connector according to one of claims 1 to 13, characterized in that the on the Oberssite (20) of the socket body (1) provided support surface (19) from one in the upper end region of the socket contact provided support contact is formed. 15. Connector according to claim 14, characterized in that that the solder connection pin (12), the middle holding area (14) and the support contact and / or the spring tongue (8) are integrally formed. 16. Connector according to one of claims 1 to 15, characterized in that the spring tongue (8) extends into the central holding area (14) of the Socket contact extends 17. Connector according to one of claims 8 to 16, characterized in that the actuating pin (30) one in a lever device (57) one Test socket (56) has extending length 18. Connector according to one of claims 8-17, characterized in that the actuating pin (5) are formed by the hinge locking pin (6).