CN216265567U

CN216265567U - Needle cleaning table jig for fixing chip

Info

Publication number: CN216265567U
Application number: CN202122791710.9U
Authority: CN
Inventors: 蓝习麟
Original assignee: Wuxi Huayuguang Microelectronics Technology Co ltd
Current assignee: Wuxi Huayuguang Microelectronics Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-12
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to a needle cleaning table jig for fixing a chip, which comprises: the base assembly comprises a bottom plate, a fixing groove formed in the top of the bottom plate and a first positioning pin fixed to the top of the bottom plate; the chip fixing assembly comprises a fixing plate fixed in the fixing groove, a groove formed in the top of the fixing plate, a positioning block arranged at the top of the fixing plate, a test piece fixed in the groove and a chip groove formed in the bottom of the groove, and the test piece is close to the chip groove; the gland component comprises a pressing plate fixed at the top of the bottom plate, a positioning groove arranged on the pressing plate and matched with the positioning block for use, and a second positioning pin arranged at the top of the pressing plate; the needle cleaning table jig for fixing the chip is simple in structure and convenient to operate, improves the accuracy of a test result, improves the overall test efficiency, and is time-saving and labor-saving.

Description

Needle cleaning table jig for fixing chip

Technical Field

The utility model belongs to the technical field of jigs, and particularly relates to a needle cleaning table jig for fixing a chip.

Background

Chips are a way to miniaturize circuits (including primarily semiconductor devices, including passive components, etc.) and are often fabricated on the surface of a semiconductor wafer, requiring testing of the chips after they are processed.

In the prior art, when testing the chip, do not have corresponding tool supplementary, hold the chip by the operative employee handheld chip usually, then carry out the conduction test at the chip pin to the chip, whole process automation degree is low, and efficiency of software testing is low, because the influence of human factor, results in the result degree of accuracy of test low, and it is hard to take trouble, but also the extravagant cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a needle cleaning table jig for fixing a chip.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a clear needle platform tool for fixing chip, it includes:

the base assembly comprises a bottom plate, a fixing groove formed in the top of the bottom plate and a first positioning pin fixed to the top of the bottom plate;

the chip fixing assembly comprises a fixing plate fixed in the fixing groove, a groove formed in the top of the fixing plate, a positioning block arranged at the top of the fixing plate, a test piece fixed in the groove and a chip groove formed in the bottom of the groove, and the test piece is close to the chip groove;

the gland component comprises a pressing plate fixed to the top of the bottom plate, a positioning groove formed in the pressing plate and matched with the positioning block for use, and a second positioning pin arranged on the top of the pressing plate.

Preferably, the base component further comprises a through groove which is formed in the bottom of the fixing groove and penetrates through the bottom plate, and a supporting pad which is arranged at the bottom of the bottom plate.

Preferably, the chip fixing component further comprises a positioning hole formed in the top of the fixing plate.

Optimally, the gland subassembly is still including setting up the screw hole and the setting of constant head tank both sides are in the clamp plate bottom and with the reference column that the locating hole cooperateed and uses.

Preferably, the width of the fixing plate is equal to the width of the fixing groove.

Preferably, the diameter of the positioning column is equal to that of the positioning hole.

Optimally, the material of the test piece is copper alloy.

Optimally, the supporting pad is made of plastic.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the needle cleaning table jig for fixing the chip is simple in structure and convenient to operate, the chip to be tested is placed in the chip groove of the chip fixing assembly, the gland assembly is fixed on the bottom plate, meanwhile, the chip fixing assembly can be completely positioned, the chip fixing assembly cannot loosen in the subsequent test, an operator does not need to hold the chip for detection, the accuracy of the test result is improved, the integral test efficiency is improved, time and labor are saved, and the cost is saved.

Drawings

FIG. 1 is a schematic structural diagram of a chip to be tested according to the present invention;

FIG. 2 is a top view of a chip under test according to the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of a base assembly of the present invention;

FIG. 5 is a schematic view of another embodiment of the base assembly of the present invention;

FIG. 6 is a schematic diagram of the result of the chip mounting assembly of the present invention;

FIG. 7 is a schematic structural view of the gland assembly of the present invention;

figure 8 is a schematic view of another angular configuration of the gland assembly of the present invention;

description of reference numerals:

1. a base assembly; 11. a base plate; 12. fixing grooves; 13. a through groove; 14. a first positioning pin; 15. a support pad;

2. a chip fixing component; 21. a fixing plate; 22. a groove; 23. positioning blocks; 24. a chip slot; 25. testing the sheet; 26. positioning holes;

3. a gland assembly; 31. pressing a plate; 32. a positioning column; 33. positioning a groove; 34. a screw hole; 35. a second positioning pin;

4. a chip; 41. and (6) chip pins.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings to which the utility model is attached.

Fig. 3 is a schematic structural diagram of a needle cleaning table fixture for fixing a chip according to the present invention, which is generally used for fixing a chip 4 to facilitate performance testing of the chip 4 (fig. 1 and 2 are schematic diagrams of a chip to be tested, and chip pins 41 are equidistantly disposed on four sides of the chip 4), and includes a base assembly 1, a chip fixing assembly 2, and a cover assembly 3.

As shown in fig. 4 and 5, the base assembly 1 is a schematic structural diagram and includes a bottom plate 11, a fixing groove 12, a through groove 13, a first positioning pin 14 and a supporting pad 15. The bottom plate 11 is the rectangular plate, and the material is the plastic, mainly plays the supporting role (when testing chip 4, the bottom plate 11 of plastic material can play insulating effect, improves the degree of accuracy of test). Supporting pad 15 has four, and they set up in the bottom of bottom plate 11 (supporting pad 15 sets up in four angle departments of bottom plate 11 lower surface, and supporting pad 15's material is the plastic, and supporting pad 15 can guarantee the level of bottom plate 11 on the one hand, and on the other hand externally when suction plate absorbs chip 4 and places on bottom plate 11, and supporting pad 15 of plastic material can play the effect of damping buffering, prevents that bottom plate 11 from receiving great impact force and taking place deformation for a long time, improves bottom plate 11's life). There are two groups of fixing grooves 12, which are spaced apart from each other at the top of the bottom plate 11, and the through grooves 13 are formed at the bottom of the fixing grooves 12 and penetrate through the bottom plate 11 (four groups of through grooves 13 are formed in each group of fixing grooves 12, the number of the through grooves 13 is determined according to actual processing requirements; in this embodiment, the through grooves 13 are in a cross shape). The number of the first positioning pins 14 is two, and the first positioning pins 14 are arranged at the top of the bottom plate 11 at intervals (the first positioning pins 14 are arranged on the opposite sides of the two groups of fixing grooves 12, the external pressing block is fixed on the upper surface of the external suction plate, when the chip 4 is sucked by the external suction plate and placed on the bottom plate 11, the first positioning pins 14 are used for positioning the external pressing block in the initial positioning action, the external pressing block is not a protection key point of the utility model and is not shown in the figure, and the bottom of the external pressing block is provided with first positioning holes matched with the first positioning pins 14 for use).

As shown in fig. 6, the chip fixing assembly 2 is a schematic structural diagram, and includes a fixing plate 21, a groove 22, a positioning block 23, a chip slot 24, a test piece 25 and a positioning hole 26. The fixing plates 21 are fixed in the fixing grooves 12 (the fixing plates 21 are made of plastic, the fixing plates 21 are fixed in the fixing grooves 12 by means of screw fastening, the width of the fixing plates 21 is equal to the width of the fixing grooves 12; in this embodiment, four fixing plates 21 are fixed in each group of fixing grooves 12, and the fixing plates 21 correspond to the positions of the through grooves 12). The groove 22 is opened at the top of the fixing plate 21 (the groove 22 is in a cross shape). Four positioning blocks 23 are arranged at the top of the fixing plate 21 (the positioning blocks 23 are right-angled trapezoidal blocks, the positioning blocks 23 are located at the connection position of the included angle of the cross-shaped groove 22, and the positional relationship between the positioning blocks 23 and the groove 22 is shown in fig. 6). The chip groove 24 is arranged at the bottom of the groove 22 (the chip groove 24 is a square groove and arranged at the center of the cross-shaped groove 22, the external pressing block drives the external suction plate to suck the chip 4, then the chip 4 is placed in the chip groove 41, and the side length of the chip groove 41 is equal to that of the chip 4). The test pads 25 are fixed in the recess 22 and close to four sides of the chip slot 24 (the test pad 25 is made of copper alloy, when the chip 4 is placed in the chip slot 24, the chip pins 41 contact with the test pad 25; in this embodiment, the other side of the test pad 25 passes through the through slot 13 to be connected with an external detection device, and the conduction condition of the chip pins 41 is detected by the external detection device). The positioning hole 26 is opened on the top of the fixing plate 21.

As shown in fig. 7 and 8, the capping assembly 3 is a schematic structural diagram of the capping assembly 3, and the capping assembly 3 is used for fixing the chip fixing assembly 2 to prevent the fixing plate 21 from loosening during the subsequent test, and includes a pressing plate 31, a positioning column 32, a positioning slot 33, a screw hole 34 and a second positioning pin 35. The pressing plate 31 is fixed on the top of the bottom plate 11 (the fixing of the pressing plate 31 is realized by screw fastening). The positioning column 32 is disposed at the bottom of the pressing plate 31 and is used in cooperation with the positioning hole 26 (the diameter of the positioning column 32 is equal to the diameter of the positioning hole 26, and when the pressing plate 31 is fixed on the bottom plate 11, the positioning column 32 is inserted into the positioning hole 26). The positioning slots 33 are formed in the pressing plate 31 and are used in cooperation with the positioning blocks 23 (each pressing plate 31 has four groups of positioning slots 33, when the pressing plate 31 is fixed on the bottom plate 11, the positioning slots 33 are clamped on the four positioning blocks 23; in this embodiment, the side length of the positioning slot 33 is equal to the distance between the outer sides of the two positioning blocks 23). The screw holes 34 are formed at the top of the pressing plate 31 and located at both sides of the positioning slots 33 (two screw holes 34 are formed in each set of positioning slots 33, two screw holes 34 are located on the diagonal line of the positioning slots 33, and external screws are fixed on the fixing plate 21 through the screw holes 34). The second positioning pins 35 are disposed on the top of the pressing plate 31 (two second positioning pins 35 are provided, and when the external suction plate sucks the chip 4 and places the chip 4 on the chip slot 24, the second positioning pins 35 play a positioning role for positioning the external pressing plate, which is not a protection focus of the present invention and is not shown in the drawings, and the bottom of the external pressing plate is provided with a second positioning hole used in cooperation with the second positioning pins 35).

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a clear needle platform tool for fixing chip which characterized in that, it includes:

the base assembly (1) comprises a bottom plate (11), a fixing groove (12) formed in the top of the bottom plate (11) and a first positioning pin (14) fixed to the top of the bottom plate (11);

the chip fixing component (2), the chip fixing component (2) comprises a fixing plate (21) fixed in the fixing groove (12), a groove (22) formed in the top of the fixing plate (21), a positioning block (23) arranged on the top of the fixing plate (21), a test piece (25) fixed in the groove (22) and a chip groove (24) formed in the bottom of the groove (22), and the test piece (25) is close to the chip groove (24);

the gland component (3), the gland component (3) is including fixing clamp plate (31) at bottom plate (11) top, set up on clamp plate (31) and with locating piece (23) cooperate constant head tank (33) and setting up and be in second locating pin (35) at clamp plate (31) top.

2. The needle cleaning table jig for fixing the chip according to claim 1, characterized in that: the base assembly (1) further comprises a through groove (13) which is formed in the bottom of the fixing groove (12) and penetrates through the bottom plate (11) and a supporting pad (15) which is arranged at the bottom of the bottom plate (11).

3. The needle cleaning table jig for fixing the chip according to claim 1, characterized in that: the chip fixing component (2) further comprises a positioning hole (26) formed in the top of the fixing plate (21).

4. The needle cleaning table jig for fixing the chip according to claim 3, characterized in that: the gland component (3) further comprises screw holes (34) arranged on two sides of the positioning groove (33) and positioning columns (32) arranged at the bottom of the pressing plate (31) and matched with the positioning holes (26) for use.

5. The needle cleaning table jig for fixing the chip according to claim 1, characterized in that: the width of the fixing plate (21) is equal to the width of the fixing groove (12).

6. The needle cleaning table jig for fixing the chip according to claim 4, characterized in that: the diameter of the positioning column (32) is equal to that of the positioning hole (26).

7. The needle cleaning table jig for fixing the chip according to claim 1, characterized in that: the material of the test piece (25) is copper alloy.

8. The needle cleaning table jig for fixing the chip according to claim 2, characterized in that: the supporting pad (15) is made of plastic.