Resistance testing device

Abstract

The utility model discloses a resistance testing device. The device comprises a base table and a swinging unit which are in sliding connection with a working cabin; the base table can be adjusted left and right and up and down. The first sliding rail is fixed on the workbench and is slidably connected with the resistance test table. The swing unit reciprocates up and down, the motor penetrates through the base table to be connected with the cam, the cam is connected with the moving block, and the length of the replacement plate in the middle of the moving block can be replaced. According to the swing unit provided by the scheme, the cam structure controls swing, so that the descending distance of each time is kept consistent, and the test result is more accurate; the replaceable characteristic of the replacement plate enables the device to be suitable for different probe models.

Description

TECHNICAL FIELD

[0001] The present scheme relates to the technical field of probe resistance testing, in particular to a resistance testing device. BACKGROUND

[0002] The main application fields of semiconductor test probes include chip design verification, wafer testing and semiconductor product testing. It plays a core role in connecting chips / wafers and testing equipment and transmitting signals, and is of great significance to the quality control of semiconductor products. The probe is generally formed by precise instrument riveting pre-pressure, and the four basic components are needle, needle tail, spring and outer tube.

[0003] In order to ensure the electrical performance of the probe, the resistance of the probe needs to be accurately measured, but the length of the probe is different, and the existing testing device is difficult to be universal for different models of probes.

[0004] Therefore, a resistance testing device is needed to test the resistance of the probe, which can be suitable for different models of probes. SUMMARY

[0005] The present scheme provides a resistance testing device to solve the above problems.

[0006] To achieve the above purpose, the technical scheme adopted by the present scheme is: a resistance testing device, comprising a base table and a swing unit slidingly connected to a working cabin;

[0007] The base table can be adjusted left and right and up and down, the first sliding rail is fixed on the workbench and slidingly connected to the resistance testing table;

[0008] The swing unit reciprocates up and down, the motor passes through the base table and is connected to the cam, the cam is connected to the moving block, and the replacement plate in the middle of the moving block can replace the length.

[0009] Further, the fixed plate at both ends of the moving block is connected to the replacement plate in the middle, and the replacement plate and the fixed plate are connected to the first bearing seat and the second bearing seat.

[0010] Further, the first bearing seat is connected to the cam, and the second bearing seat is connected to the connecting frame and fixed by the fixing piece.

[0011] Further, the connecting frame is fixed with a silver block at the bottom and a second sliding block at the back, and is slidingly connected to the second sliding rail, and the second sliding rail is vertically fixed in the working cabin.

[0012] Further, the working cabin comprises a cabin door and a cabin body, and the cabin body comprises operation buttons electrically connected to each unit.

[0013] Further, the resistance testing platform comprises a PCP plate connected to the top of the lifting platform, and a contact rod connected to the side of the fixed platform, and the other end of the contact rod is connected to the top of the contact end of the display.

[0014] Further, the lifting platform comprises a micrometer and a first adjusting rod, and the bottom is fixed with an adjusting assembly.

[0015] Further, the adjusting assembly is fixed with a first sliding block at the top of the lifting platform, and a second adjusting rod is inserted into the adjusting hole of the adjusting seat and limited in the limiting hole of the first sliding block, and the second adjusting rod is slidable in the adjusting seat.

[0016] In summary, the present application has the following advantages:

[0017] The cam structure of the rocking unit controls the rocking to keep the distance of each drop consistent, and the test result is more accurate; and the replaceable feature of the replacement plate makes the device applicable to different probe models. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a schematic view of the resistance testing device;

[0019] Fig. 2 is a schematic view of each structure on the base platform;

[0020] Fig. 3 is a schematic view of the rocking unit;

[0021] Among them:

[0022] 1, work cabin; 11, workbench; 12, cabin door; 13, cabin body; 131, operation button;

[0023] 2, base platform; 21, first sliding rail; 22, first sliding block; 221, limiting hole; 23, resistance testing platform; 231, PCP plate; 232, contact rod; 233, display; 24, lifting platform; 241, micrometer; 242, first adjusting rod; 25, adjusting assembly; 251, adjusting seat; 2511, adjusting hole; 252, second adjusting rod;

[0024] 3, rocking unit; 31, motor; 32, cam; 33, moving block; 331, fixed plate; 332, replacement plate; 333, first bearing seat; 334, second bearing seat; 34, connecting frame; 341, silver block; 35, fixing piece; 36, second sliding block; 37, second sliding rail. DETAILED DESCRIPTION

[0025] The present application will be further described below in conjunction with the drawings and examples:

[0026] Example 1:

[0027] A resistance testing device, as shown in the figure, comprises a working cabin 1, a base table 2 sliding forward and backward in the working cabin 1, and a swing unit 3 moving up and down in the working cabin 1. Figs. 1-3

[0028] The working cabin 1 is internally provided with a working table 11 and externally comprises a cabin door 12 and a cabin body 13. The working table 11 limits the base table 2 and the swing unit 3, and the cabin body 13 comprises operation buttons 131 electrically connected to each unit.

[0029] In this embodiment, the operation buttons 131 comprise start, reset, stop and emergency stop function buttons.

[0030] The base table 2 is fixed on the working table 11 by a first sliding rail 21, and a first sliding block 22 is fixed on the top of the base table 2 and is in sliding connection with the first sliding rail 21. The base table 23 comprises a PCP plate 231 fixed on the top of a lifting table 24, a contact rod 232 connected to the side of the fixed table, and a contact end of a display 233 connected to the top of the other end of the contact rod 232.

[0031] The PCP plate 231 is used for signal transmission and can be 32 channels or 96 channels. When the probe is not in contact with the PCP plate 231, the resistance is 0. During the testing process, the resistance of the probe is tested by repeated touching.

[0032] The lifting table 24 is provided with a micrometer 241 and a first adjusting rod 242 on the top and is fixed on an adjusting assembly 25 at the bottom. The micrometer 241 is used for adjusting the height stroke of the lifting table 24, and the first adjusting rod 242 is used for limiting the lifting table 24 to avoid the change of the height of the lifting table 24 during the testing process. The limiting principle of the micrometer 241 adjusting the height and the first adjusting rod 242 is a common technology in the art, and will not be described in detail.

[0033] The adjusting assembly 25 is fixed on the first sliding block 22 of the lifting table 24 and is in sliding connection with the first sliding rail 21. An adjusting seat 251 is fixed beside the first sliding block 22, a second adjusting rod 252 is inserted into an adjusting hole 2511 of the adjusting seat 251 and is limited in a limiting hole 221 of the first sliding block 22, and the second adjusting rod 252 can slide in the adjusting seat 251.

[0034] Specifically, the second adjusting rod 252 is slid, the second adjusting rod 252 drives the sliding block to link the lifting table 24 to slide forward and backward along the first sliding rail 21.

[0035] ​The swing unit 3, the power end of the motor 31 passes through the base table 2 connecting cam 32, the cam 32 connects the moving block 33, the moving block 33, the middle of the fixed plate 331 at both ends connects the replacement plate 332, the replacement plate 332 and the fixed plate 331 are connected between the first bearing seat 333 and the second bearing seat 334.

[0036] The first bearing seat 333 connects the cam 32, the second bearing seat 334 connects the connecting frame 34 and is fixed by the fixing piece 35, the bottom of the connecting frame 34 is fixed with the silver block 341, the back is fixed with the second sliding block 36 and is slidingly connected with the second sliding rail 37, and the second sliding rail 37 is vertically fixed in the working cabin 1.

[0037] Specifically, the motor 31 is started, the cam 32 is limited in the first bearing seat 333, the second sliding block 36 at the back of the connecting frame 34 is limited in the second bearing seat 334, and the second sliding block 36 slides up and down along the second sliding rail 37.

[0038] Further explained in combination with the use mechanism:

[0039] S1, assemble the probe test table

[0040] According to the probe to be tested, replace the replacement plate 332 in the middle of the moving block 33, and assemble the probe test table at the bottom of the connecting frame after the height of the swing unit is adjusted.

[0041] S2, adjust the base table

[0042] After the height of the lifting table 24 is adjusted, the first adjusting rod 242 is locked, the second adjusting rod 252 is slid to drive the first sliding block 22 to link the lifting table 24 to slide along the first sliding rail 21, and the second adjusting rod 252 is tightened after the swing unit 3 is slid.

[0043] S3, test resistance

[0044] The motor 31 is started, the cam 32 is limited in the first bearing seat 333, the second sliding block 36 at the back of the connecting frame 34 is limited in the second bearing seat 334, and the second sliding block 36 slides up and down along the second sliding rail 37.

[0045] S4, observation and recording

[0046] Determine whether the probe is qualified by observing the state of the probe through the display.

[0047] As described above, the swing unit provided by the application, the cam structure controls the swing to keep the distance of each descent consistent, and the test result is more accurate; the replaceable characteristic of the replacement plate makes the device applicable to different probe models.

[0048] The above-mentioned embodiments are only used to illustrate the technical concepts and characteristics of the present application, and the purpose is to enable those skilled in the art to understand and implement the present application, and cannot be used to limit the protection scope of the present application. Any equivalent variations or modifications made according to the spirit and principle of the present application shall be included in the protection scope of the present application.

[0049] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements.

[0050] For those skilled in the art, the specific meanings of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0051] It should be understood that the above-mentioned embodiments are only exemplary and not restrictive, and those skilled in the art can make various obvious or equivalent modifications or replacements to the above-mentioned details without departing from the essential principles of the present application, which shall be included in the protection scope of the present application.

Claims

1. A resistance testing device, characterized by: The base table (2) and the swing unit (3) are slidably connected with the working cabin (1); The base table (2) can be adjusted left and right and up and down, the first slide rail (21) is fixed on the workbench (11) and slidably connected with the resistance value testing table (23); The swing unit (3) reciprocates up and down, the motor (31) penetrates through the base table (2) and is connected with the cam (32), the cam (32) is connected with the moving block (33), and the replacement plate (332) in the middle of the moving block (33) is replaceable.

2. The resistance testing device of claim 1, wherein: The fixed plate (331) at both ends of the moving block (33) is connected with the replacement plate (332) in the middle, and the first bearing seat (333) and the second bearing seat (334) are connected between the replacement plate (332) and the fixed plate (331).

3. The resistance testing device of claim 2, wherein: The first bearing seat (333) is connected with the cam (32), and the second bearing seat (334) is connected with the connecting frame (34) and is fixed through the fixing piece (35).

4. The resistance testing device of claim 3, wherein: The connecting frame (34) is fixed with a silver block (341) at the bottom and is fixed on the second slide block (36) at the back and is slidably connected with the second slide rail (37), and the second slide rail (37) is vertically fixed in the working cabin (1).

5. The resistance testing device of claim 4, wherein: The working cabin (1) comprises a cabin door (12) and a cabin body (13), and the cabin body (13) comprises an operation button (131) electrically connected with each unit.

6. The resistance testing device of claim 1, wherein: The resistance value testing table (23) comprises a PCP plate (231) connected at the top of a lifting table (24), a contact rod (232) connected at the side of the fixed table, and a contact end of a display (233) connected at the other end of the contact rod (232).

7. The resistance testing device of claim 6, wherein: The lifting table (24) comprises a micrometer (241) and a first adjusting rod (242), and is fixed with an adjusting assembly (25) at the bottom.

8. The resistance testing device of claim 7, wherein: The adjusting assembly (25) is fixed with the first slide block (22) of the lifting table (24) slidably connected with the first slide rail (21) at the top, an adjusting seat (251) is fixed beside the first slide block (22), a second adjusting rod (252) is inserted into an adjusting hole (2511) of the adjusting seat (251) and is limited in a limiting hole (221) of the first slide block (22), and the second adjusting rod (252) can slide in the adjusting seat (251).

Images