CN2854858Y

CN2854858Y - Connector for testing integrated circuit

Info

Publication number: CN2854858Y
Application number: CN 200520132850
Authority: CN
Inventors: 陈文郁
Original assignee: PURUI CORP
Current assignee: PURUI CORP
Priority date: 2005-11-14
Filing date: 2005-11-14
Publication date: 2007-01-03
Anticipated expiration: 2015-11-14

Abstract

The utility model discloses a connector for connecting with integrated circuit (IC) and detecting circuit connection state and electrical characters of the IC. The utility model mainly comprises a press frame, a base, a slide base enclosed within the base, and a plurality of terminals embedded in the base, wherein the press frame and the base form an elastic coupling by using a first elastic element; the slide base is disposed in a chamber of the base in such a way that one end of the slide base is engaged with the base by a second elastic element and the other end is provided with a guiding portion; and the press frame is fixed with a driving portion that offsets with the guiding portion in normal state. When the press frame is pressed downwards, the driving portion is allowed to contact with the guiding portion, resulting in the displacement of the slide base; and the actuation of the displacement can push the IC loaded in the slide base so that the contact of the IC contacts with the terminal inside the base in traversal movement manner and produces a scratch distance, thereby removing the oxide layer in the contact portion of the terminal and increasing the service life and reliability of the connector to be detected.

Description

The integrated circuit testing connector

Technical field

The utility model relates to a kind of connector, refer to especially a kind of for integrated circuit connect, in order to the circuit state of testing this integrated circuit and the connector of electrical characteristic.

Background technology

Integrated circuit (IC) is after completing; usually can be to its detection of carrying out some necessity to determine its function that is produced and reliability, the project of its detection generally comprises the connection state of pin, input impedance, electrical source consumption situation, basic logic and voltage level etc.

In order to detect the integrated circuit that these complete, on this testing circuit or device, can electrically connect usually with a connector and its formation, after having flaw, in this connector, do not take off again definite this integrated circuit.

Relevant known technology is M251366 number " integrated circuit testing socket " novel patent of TaiWan, China patent announcement for example, its exposure a kind of " utilization press down be positioned at the upper surface by press box cover 60; its actuating arm 62 will make sliding panel 20 toward moving right in the process of pressing down, and open the movable claw 47 of terminal 44; To press the over-hang part 73 of button hook 70 simultaneously by the pressure arm 66 of press box cover 60, making button hook 70 is that raise in the axle center with fulcrum 71 under it; Can put into to-be-measured integrated circuit 90 this moment, when overlapping the release of 60 application of forces by press box, the tin ball 91 that the movable claw 47 travelling backwards double teams of terminal 44 are lived to-be-measured integrated circuit 90 bottom surfaces, the button hook of having raised simultaneously 70 is the axle center pop into position with fulcrum 71 under it once more, and more than collude ear 72 folder and decide to-be-measured integrated circuit 90 to carry out every functional test " technology (it is contained that the figure number that above explanation was indicated please contrast this case patent specification content), purpose will be located this to-be-measured integrated circuit so that it is carried out every functional test really by a kind of connector exactly.

In above-mentioned known technology, the design people finds that several the disappearances of demanding urgently improving are arranged, and comprising:

(1) element formed of this connector is too complicated and be unfavorable for assembling.

(2) this connector is to be described tin ball 91 with the conducting portion of living integrated circuit 90 with fixed claw 46 double teams of terminal again after the movable claw 47 distortion displacement of its terminal, but the number of terminals of connector is numerous, and requiring each terminal all to have certain elastic-restoring force is the very work of difficulty; Moreover the excessive finger movable claw 47 of the deformation distance of this terminal, the start number of times that makes connector the more quicken the elastic fatigue of terminal and life-span of reducing use, also directly influence its reliability.

(3) terminal of this connector should be metal and constitutes, and is generally copper, and itself and air time of contact are long afterwards, the surface will form an oxide layer, oxide layer can directly have influence on the quality of conducting and be difficult for being found, and how effectively to improve this predicament, is not come into question in this known technology.

The utility model content

The technical problems to be solved in the utility model is: provide a kind of integrated circuit testing connector, to overcome the defective of above-mentioned known technology.

Technical solution of the present utility model is: a kind of integrated circuit testing connector, the slide that comprise press box, pedestal, is contained by pedestal and be embedded in a plurality of terminals in the pedestal; Wherein:

Described press box, has a peristome that can supply integrated circuit to penetrate, the outer rim of described peristome is connected with framework, this framework is provided with a drive division towards the pedestal direction, with this drive division not two opposite side of homonymy then respectively be provided with a pressing plate towards the slide direction, and link with first flexible member between described press box and pedestal;

Having one in the described pedestal can insert movable room for slide, and the bottom of described room is provided with a terminal base, is provided with a plurality of terminal grooves that hold terminal in the terminal base;

Described slide is constituted by the framework of a hollow, this framework has a plurality of walls, comprise corresponding first and second wall, and another is to the corresponding the 3rd and the wall face, described first wall is against an end of second flexible member, rely on the drive division of press box under the normality by this second wall of support of second flexible member, this second wall has the portion of leading, be provided with the rank portion of placing in the described framework for to-be-measured integrated circuit, the aforementioned the 3rd and the wall face be provided with certain position mechanism outward, this detent mechanism cooperates with aforementioned platens, presents the state that discharges or clamp integrated circuit;

Described terminal has a conducting portion and a contact site, and this conducting portion is in order to be connected conducting with external circuit or device, and contact site exposes to aforementioned terminal groove, in order to the contact conducting of integrated circuit;

During operation, press box pressed down the interlock drive division and touch the portion that leads of slide, make slide towards the second flexible member direction slippage, one segment distance, at this moment, the pressing plate of this press box also can compress detent mechanism, make this detent mechanism be the state of starting, at this time to-be-measured integrated circuit is positioned over the rank portion in the slide, and the contact of integrated circuit falls between the terminals of adjacent contact site; Treat integrated circuit put appropriate after, just discharge press box, this press box borrows the elastic force effect of first flexible member to be returned to original position, in this process, detent mechanism breaks away from the compacting of pressing plate, make integrated circuit be positioned mechanisms grip really in slide, and this slide also makes the slide slippage to original position by the back stretch of second flexible member, the contact of this integrated circuit also slides in the termination contact portion, and forms one section scraping distance.

Aforesaid integrated circuit testing connector, wherein said framework is provided with a button hook towards pedestal at the opposite position with drive division, described pedestal is provided with a stopper slot at the outer wall corresponding to button hook, and the end face of this stopper slot is provided with a holding section that supplies the button hook button to hold.

Aforesaid integrated circuit testing connector, wherein said drive division one end has an inclined-plane, and the portion that leads also is an inclined-plane, and two inclined-planes offset each other.

Aforesaid integrated circuit testing connector, wherein said detent mechanism comprises a column, is provided with an axle center between the described column, an intermediate plate is run through in this axle center, this intermediate plate is extended with a guide plate to an end, the corresponding aforesaid pressing plate of this guide plate, and clip surface compresses with a torsion spring.

Aforesaid integrated circuit testing connector, the surface of wherein said pedestal is provided with at least one spacing hole corresponding to the position of drive division.

Aforesaid integrated circuit testing connector, wherein said terminal is formed in one, and its both ends extend out into an expanding part in advance in the same direction, and the inner face of this expanding part forms a section, and the section of this two expanding part corresponds to each other after the described terminal doubling.

Aforesaid integrated circuit testing connector, wherein said section is wavy.

Reserve one when aforesaid integrated circuit testing connector, the conducting portion moulding of wherein said terminal and hold the tin hole.

Aforesaid integrated circuit testing connector, wherein said press box is provided with for the pillar that links with pedestal elasticity towards the pedestal direction, and the layout of this pillar is so that framework produces balance when carrying out the elasticity activity be main; Described base-plates surface is provided with the accommodation hole of inserting for first flexible member at the correspondence position with aforementioned pillar, and the other end of this first flexible member is then stated pillar in the jacket residence.

Aforesaid integrated circuit testing connector, has first passage between the internal face of wherein said terminal base dual-side and pedestal, then has a second channel between another side of terminal base and the wall of room, be provided with at least one location notch at the room wall with respect to second channel, this location notch is in order to hold second flexible member.

Characteristics of the present utility model and advantage are as follows:

Of the present utility model in order to connect integrated circuit (IC) for its circuit connection state of test and electrical characteristic connector, it mainly comprises press box, pedestal, the slide that is contained by pedestal and be embedded in a plurality of terminals in the pedestal, wherein, be to utilize first flexible member to form elasticity to link between press box and the pedestal, slide is positioned at a room of pedestal, the one side sees through second flexible member and cooperates with pedestal, opposite side has the portion of leading, press box has a drive division, under the normality this drive division system with lead portion and offset, touching the portion that leads with drive division when press box presses down makes slide produce displacement, the start of this displacement can promote to be stated from the integrated circuit of slide, the conduction terminal that makes this integrated circuit is with the termination contact in horizontal move mode and the pedestal and produce one section scraping distance, the oxide layer of removing this terminal surfaces by this and being constituted is with useful life and the reliability that increases this test connector.

Compare with known technology, connection device of the present utility model has following effect:

(1) composed component is comparatively simple, is beneficial to assembling and volume production.

(2) utilize mechanism to move the termination contact that integrated circuit makes the conducting portion and the connector of integrated circuit, the deflection I of terminal is increasing the service life, and reliability is preferable.

(3) conducting portion of this integrated circuit can be removed the oxide layer that this terminal surfaces produces, with useful life and the reliability that increases this connector whereby with the termination contact in horizontal move mode and the pedestal and produce one section scraping distance.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model connector.

Fig. 2 is the combination appearance figure of the utility model connector.

Fig. 3 finishes schematic perspective view after the assembling for the utility model socket connector, wherein presents the state that the intermediate plate of action that press box presses down and slide has started.

Fig. 4 is the terminal outside drawing of the utility model connector.

Fig. 5 is for integrated circuit is installed up in the connector of the present utility model but cut-away section and terminal action schematic diagram when not finishing fixing assembling as yet.

Fig. 6 is the spherical contact of integrated circuit and the contact condition figure of termination contact portion, and wherein this figure shows that contact does not contact with termination contact portion as yet.

Fig. 7 is for integrated circuit is installed up in the connector of the present utility model and cut-away section and terminal action schematic diagram when finishing fixing assembling.

Fig. 8 is the spherical contact of integrated circuit and the contact condition figure of termination contact portion, and wherein this figure shows that contact contacts with termination contact portion.

The drawing reference numeral explanation:

Press box 1 peristome 10

Framework 11 button hooks 110

Drive division 111 pressing plates 112

Pillar 113 inclined-planes 114

Pedestal 2 rooms 20

Location notch 201 terminal bases 21

Terminal groove 211

First passage 22 second channels 23

Spacing hole 24 stopper slots 25

Holding section 251 slides 3

Hollow framework 30 first walls 31

Second wall 32 the 3rd wall 33

Wall face 34 is led portion 321

301 foots 35 of rank portion

Column

36,37 axle center 38

Intermediate plate 39 guide plates 391

Torsion spring 392 terminals 4

Conducting portion 40 contact sites 41

Expanding part 411,412 sections 413,414

Section trough 415,416 holds tin hole 401

First flexible member, 5 second flexible members 6

Integrated circuit 7 spherical contacts 70

Embodiment

As Fig. 1～shown in Figure 4, the slide 3 that connector of the present utility model comprises press box 1, pedestal 2, contained by pedestal 2 and be embedded in a plurality of terminals 4 in the pedestal 2; Wherein,

Press box 1 has a peristome 10 that can supply to-be-measured integrated circuit 7 (asking simultaneously with reference to Fig. 2 and Fig. 3) to penetrate, the outer rim of peristome 10 is connected with framework 11, framework 11 is provided with a button hook 110 towards pedestal 2 directions, be provided with a drive division 111 towards pedestal 2 at opposite position with button hook 110, the bottom of drive division 111 has an inclined-plane 114, in addition with button hook 110, drive division 111 not two opposite side of homonymy then respectively is provided with a pressing plate 112 and for the pillar 113 that links with pedestal 2 elasticity towards slide 3 directions, and the layout of this pillar 113 is so that framework 11 produces balance when carrying out the elasticity activity be main.

Has a room 20 in the pedestal 2, can insert activity for slide 3, the bottom of room 20 is provided with a terminal base 21, be provided with a plurality of terminal grooves 211 that hold terminal 4 in the terminal base 21, these terminal base 21 dual-sides have first passage 22, then have a second channel 23 between another side of terminal base 21 and the wall of room 20, be provided with at least one location notch 201 in addition at room 20 walls with respect to second channel 23, this location notch 201 is in order to hold second flexible member 6 (being illustrated as a stage clip).

The surface of pedestal 2 is provided with at least one spacing hole 24 corresponding to the position of aforementioned drive division 111, stretch into for this drive division 111, be provided with a stopper slot 25 at pedestal 2 outer walls corresponding to aforementioned button hook 110, the end face of this stopper slot 25 is provided with a holding section 251 that supplies button hook 110 buttons to hold, be provided with the accommodation hole 26 of inserting for first flexible member 5 (being illustrated as a stage clip) at the correspondence position with aforementioned pillar 113 in addition, the other end of this first flexible member 5 then jacket is lived pillar 113; In other words, this button hook 110 is can be in stopper slot 25 after press box 1 is pressed down movable, and button hook 110 is when reverse activity, and the limit then is subjected to the restriction of this holding section 251, can avoid press box 1 to produce with pedestal 2 like this breaking away from (this action please simultaneously with reference to Fig. 7).

Slide 3 is constituted by the framework 30 of a hollow substantially, this framework 30 has a plurality of walls, comprise corresponding first and

second wall

31,32, and another is to the corresponding the 3rd and

wall face

33,34, wherein first wall 31 is in order to the end against second flexible member 6, and the support by second flexible member 6 under the normality makes second wall 32 rely on the drive division 111 of press box 1; This second wall 32 has the portion of leading 321, and the illustrated portion 321 that leads is an inclined-plane, and inclined-planes proper and drive division 111 bottoms offset, and touch this when drive division is pressed down with press box 1 and lead portion 321, make slide 3 towards the 6 direction slippages of second flexible member.

Framework 30 bottoms of slide 3 have the foot 35 that avoids terminal base 21, this foot 35 falls within on the first passage 22 of aforementioned pedestal 2, be beneficial to slide 3 shift positions, be provided with the rank portion 301 of placing in the framework 30 for to-be-measured integrated circuit 7, and the aforementioned the 3rd and wall face 33, be provided with certain mechanism outside 34, this detent mechanism comprises a

column

36,37, between column, be provided with an axle center 38, an intermediate plate 39 is run through in this axle center 38, intermediate plate 39 is extended with a guide plate 391 to an end, these guide plate 391 corresponding aforesaid pressing plates 112, and intermediate plate 39 surfaces compress with a torsion spring 392, intermediate plate 39 transfixions during normality, and have the strength that one day, to-be-measured integrated circuit 7 directions compressed, so as to locating this integrated circuit 7, treat that pressing plate 112 presses down the press power of guide plate 391 its strength of back greater than torsion spring 392, make this intermediate plate 39 be the state that starts, and in order to place or to take out this to-be-measured integrated circuit 7.

As shown in Figure 4, terminal 4 has a conducting portion 40 and a contact site 41, this conducting portion 40 is in order to be connected conducting with outer detecting circuit or device, contact site 41 in order to contact 70 conductings of to-be-measured integrated circuit 7, with the disclosed integrated circuit 7 of present embodiment, its contact 70 is ball grid array (BGA), therefore in order to strengthen the effect that contacts of terminal 4 and this contact 70, this contact site 41 is designed to the mode of double team, that is, this terminal 4 is formed in one, its both ends extend out into an expanding part 411 in advance in the same direction, 412, this expanding part 411,412 inner face forms a section 413,414, again these terminal 4 doublings are made this two expanding part 411,412 section 413,414 correspond to each other, and the contact 70 of aforesaid integrated circuit 7 is just by this two section 413,414 institutes embrace; In addition, this section 413,414 all is designed to wavy, please joins Fig. 6 and shown in Figure 8 simultaneously, and this spherical contact 70 finally can fall between the relative trough 415,416 of two sections 413,414 and be located really.

Terminal 4 is provided with overhanging sour jujube portion 42 for being assemblied in the terminal groove 211 on terminal 4, in order to the internal face close-fitting of terminal groove 211; And the conducting portion 40 of terminal is reserved one and is held tin hole 401 when moulding, and this appearances tin hole 401 is to stay the reliability that the Rong Xiliang when being connected with outside line or device in order to increase welds with increase especially in advance when aforementioned terminal doubling moulding.

During operation, please join shown in Figure 5, press box 1 is pressed down, interlock drive division 111 touches the portion that leads 321 of slide 3 on the second channel 23 of pedestal 2, make slide 3 towards second flexible member, 6 direction slippages, one segment distance, at this moment, the pressing plate 112 of this press box 1 also can compress the guide plate 391 of slide, make intermediate plate 39 (as shown in Figure 3) be the state of starting, at this time to-be-measured integrated circuit 7 is positioned over the rank portion 301 in the slide 3, the contact 70 of integrated circuit 7 then falls between the terminals of adjacent contact site 41 as shown in Figure 6; To-be-measured integrated circuit 7 put appropriate after, as shown in Figure 7, just can discharge press box 1, this press box 1 is returned to original position by the elastic force effect of first flexible member 5, in this process, guide plate 391 breaks away from the compacting of pressing plate 112, make intermediate plate 39 borrow the elastic force of torsion spring 392 towards integrated circuit 7 direction starts, and this integrated circuit 7 is clamped in the slide 3 really, and this slide 3 also borrows the back stretch of second flexible member 6 to make slide 3 slippages to original position, at this time, please join shown in Figure 8ly simultaneously, the spherical contact 70 of this integrated circuit 7 also slides into two sections 413 of terminal 4 contact sites 41, between 414, and form one section scraping distance, that is can remove this section 413 by this section friction, the oxide layer that 414 postpones of a specified duration are produced, and then prolong the useful life of terminal 4 and increase the reliability of its contact.

Though the utility model discloses with specific embodiment; but it is not in order to limit the utility model; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present utility model and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.

Claims

1. an integrated circuit testing connector is characterized in that, the slide that comprise press box, pedestal, is contained by pedestal and be embedded in a plurality of terminals in the pedestal; Wherein,

Described terminal has a conducting portion and a contact site, and this conducting portion is in order to be connected conducting with external circuit or device, and contact site exposes to aforementioned terminal groove, in order to the contact conducting of integrated circuit.

2. integrated circuit testing connector as claimed in claim 1, it is characterized in that, described framework is provided with a button hook towards pedestal at the opposite position with drive division, and described pedestal is provided with a stopper slot at the outer wall corresponding to button hook, and the end face of this stopper slot is provided with a holding section that supplies the button hook button to hold.

3. integrated circuit testing connector as claimed in claim 1 is characterized in that, described drive division one end has an inclined-plane, and the portion that leads also is an inclined-plane, and two inclined-planes offset each other.

4. integrated circuit testing connector as claimed in claim 1, it is characterized in that, described detent mechanism comprises a column, be provided with an axle center between the described column, an intermediate plate is run through in this axle center, this intermediate plate is extended with a guide plate to an end, the corresponding aforesaid pressing plate of this guide plate, and clip surface compresses with a torsion spring.

5. integrated circuit testing connector as claimed in claim 1 is characterized in that, the surface of described pedestal is provided with at least one spacing hole corresponding to the position of drive division.

6. integrated circuit testing connector as claimed in claim 1, it is characterized in that described terminal is formed in one, its both ends extend out into an expanding part in the same direction, the inner face of this expanding part forms a section, and the section of this two expanding part corresponds to each other after the described terminal doubling.

7. integrated circuit testing connector as claimed in claim 6 is characterized in that described section is wavy.

8. as claim 1 or 6 described integrated circuit testing connectors, it is characterized in that, leave one during the conducting portion moulding of described terminal and hold the tin hole.

9. integrated circuit testing connector as claimed in claim 1 is characterized in that, described press box is provided with for linking with pedestal elasticity so that equilibratory pillar during the activity of framework elasticity towards the pedestal direction; Described base-plates surface is provided with the accommodation hole of inserting for first flexible member at the correspondence position with aforementioned pillar, and the other end of this first flexible member is then stated pillar in the jacket residence.

10. integrated circuit testing connector as claimed in claim 1, it is characterized in that, has first passage between the internal face of described terminal base dual-side and pedestal, then has a second channel between another side of terminal base and the wall of room, be provided with at least one location notch at the room wall with respect to second channel, this location notch is in order to hold second flexible member.