A test fixture for integrated circuit chips
By designing integrated circuit chip testing fixtures, high-precision fixing and stable testing of integrated circuit chips are achieved using components such as drive motors and telescopic compression rods. This solves the problems of insufficient accuracy and stability of existing testing fixtures, improves testing accuracy, and reduces maintenance complexity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU HONGQI TECH CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-03
AI Technical Summary
Existing integrated circuit chip testing fixtures are insufficient in terms of high precision and stability. In particular, probes or test sockets are prone to wear, oxidation, or uneven contact pressure, which can lead to signal distortion and affect test accuracy. At the same time, maintenance is complex and costly.
A test fixture was designed, comprising components such as a chip test fixing slot, a drive motor, a telescopic extrusion rod, an extrusion limiting plate, a movable connecting rod, and a sliding base. The telescopic extrusion rod and the limiting plate are controlled by the drive motor to achieve lateral extrusion fixing of the integrated circuit chip. Combined with the vertical fastening of the sliding base and the fixing hammer, the fixing stability and adjustment convenience are improved.
This technology enables high-precision fixing and stable testing of integrated circuit chips, improving testing accuracy and efficiency while reducing maintenance complexity and cost.
Smart Images
Figure CN224456956U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chip testing fixture technology, and in particular to a testing fixture for integrated circuit chips. Background Technology
[0002] Integrated circuit (IC) chips are core components of modern electronic devices, and their performance and reliability directly affect the quality of end products. Testing is crucial in chip manufacturing, used to screen out defective products with functional defects, substandard electrical parameters, or insufficient reliability. With continuous advancements in chip manufacturing processes, increasing integration density, pin count, and signal frequency, testing becomes more challenging, demanding higher precision, efficiency, and stability from testing fixtures. Probes or test sockets are prone to signal distortion due to mechanical wear, oxidation, or uneven contact pressure, affecting test accuracy. Some advanced testing fixtures employ high-precision probe cards, spring-loaded pin matrices, or MEMS probe technology, combined with automated positioning and pressure control systems; however, these still suffer from high cost, complex maintenance, or insufficient long-term stability. Therefore, we designed a testing fixture for integrated circuit chips. Utility Model Content
[0003] The purpose of this invention is to provide a testing fixture for integrated circuit chips.
[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a testing fixture for integrated circuit chips, comprising a chip testing fixture body, a chip testing fixing groove formed on the top surface of one side of the chip testing fixture body, a drive motor fixedly installed on the outer wall of the top surface of one side of the chip testing fixture body, a control panel provided on one side surface of the drive motor, a power box fixedly installed on the top surface of one side of the drive motor, a telescopic compression rod telescopically connected to the top surface of one side of the drive motor, a compression limiting plate fixedly connected to the top surface of one side of the telescopic compression rod, a protective pad fixedly installed on one side surface of the compression limiting plate, a connecting movable groove formed inside the top side of the chip testing fixture body, a movable connecting rod movably installed inside the connecting movable groove, a movable limiting plate fixedly connected to the top surface of one side of the movable connecting rod, and an auxiliary adjustment handle fixedly installed on one side surface of the movable limiting plate.
[0005] Preferably, the drive motor and the telescopic extrusion rod are connected by a drive connection, the extrusion limiting plate is located inside the chip test fixing slot, the extrusion limiting plate and the chip test fixture body are connected by a sliding connection, the movable connecting rod and the connecting movable slot are in one-to-one correspondence, the movable connecting rod and the connecting movable slot are connected by a pin sliding connection, there are two extrusion limiting plates, the two extrusion limiting plates are symmetrically distributed inside the chip test fixing slot, and there are several protective pads, the several protective pads are evenly distributed on one side surface of the extrusion limiting plate.
[0006] Preferably, a sliding limiting groove is formed on the top surface of one side of the chip testing fixture body, a sliding limiting rail is fixedly installed on the inner wall of one side of the sliding limiting groove, a sliding base is slidably connected to one side of the sliding limiting rail, a connecting arm is fixedly connected to the top surface of one side of the sliding base, a pressing power motor is fixedly installed on the top surface of one side of the connecting arm, a telescopic pressing top rod is telescopically connected to the bottom end of one side of the pressing power motor, and a fixed hammer is fixedly connected to the bottom end of one side of the telescopic pressing top rod.
[0007] Preferably, a motor control box is fixedly installed on one side of the top end of the connecting arm, a control key is provided on one side surface of the motor control box, a control connection line is fixedly connected between the motor control box and the extrusion power motor, and a sliding auxiliary handle is fixedly installed on the top of the back side of one side of the connecting arm.
[0008] Preferably, the sliding base is located inside the sliding limiting groove, and there are several sliding bases, with each sliding base and the connecting arm having a one-to-one correspondence.
[0009] Preferably, the connection between the extrusion power motor and the telescopic extrusion top rod is a drive connection, the telescopic extrusion top rod passes through one side surface of the connecting arm, and the connection between the motor control box and the extrusion power motor is an electrical control connection.
[0010] Compared with related technologies, the testing fixture for integrated circuit chips provided by this utility model has the following advantages:
[0011] 1. This utility model provides a testing fixture for integrated circuit chips. The integrated circuit chip to be tested is placed inside a chip testing and fixing slot. The extension and retraction of the telescopic extrusion rod is directly controlled via a control panel on the drive motor. A compression limiting plate is used to achieve lateral compression and fixing of the integrated circuit chip. Multiple connecting slots are provided on one side surface of the compression limiting plate, providing a certain degree of protection. The movable connecting rod is adjusted within the connecting slots. A movable limiting plate on the side of the chip testing and fixing slot provides limiting and protection for the integrated circuit chip. An auxiliary adjustment handle assists in adjusting the position of the movable limiting plate, improving the ease of adjustment.
[0012] 2. This utility model provides a testing fixture for integrated circuit chips. By adjusting the position of the sliding base inside the sliding limit groove, the position of the connecting arm can be adjusted. The motor control box directly controls the opening of the extrusion power motor. The telescopic extrusion rod extends and retracts inside the extrusion power motor to adjust the height. The fixed hammer directly contacts the surface of the integrated circuit chip to achieve the vertical apex surface fastening operation. The sliding auxiliary handle can assist the sliding base in sliding inside the sliding limit groove to adjust the fixed position. The fixed hammer can be positioned in multiple positions to ensure that different positions are for the integrated circuit chip and improve its fixing stability. Attached Figure Description
[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0014] Figure 2 This is a side view structural diagram of the chip testing fixture body and movable limiting plate of this utility model after disassembly.
[0015] Figure 3 This is a schematic diagram of the overall side top view of the device of this utility model;
[0016] Figure 4 This is a schematic diagram of the chip top surface fixing device of this utility model.
[0017] The diagram shows the following components: 1. Chip testing fixture body; 2. Chip testing fixing slot; 3. Drive motor; 4. Control panel; 5. Power box; 6. Telescopic extrusion rod; 7. Extrusion limit plate; 8. Protective pad; 9. Connecting movable slot; 10. Movable connecting rod; 11. Movable limit plate; 12. Auxiliary adjustment handle; 13. Sliding limit slot; 14. Sliding limit rail; 15. Sliding chassis; 16. Connecting arm; 17. Extrusion power motor; 18. Telescopic extrusion top rod; 19. Fixed hammer; 20. Motor control box; 21. Control key; 22. Control connection cable; 23. Sliding auxiliary handle. Detailed Implementation
[0018] Example 1:
[0019] Please see Figure 1-4 This utility model provides a technical solution: a testing fixture for integrated circuit chips, including a chip testing fixture body 1, a chip testing fixing groove 2 formed on the top surface of one side of the chip testing fixture body 1, a drive motor 3 fixedly installed on the outer wall of the top surface of one side of the chip testing fixture body 1, a control panel 4 provided on one side surface of the drive motor 3, a power box 5 fixedly installed on the top surface of one side of the drive motor 3, a telescopic compression rod 6 telescopically connected to the top surface of one side of the drive motor 3, a compression limiting plate 7 fixedly connected to the top surface of one side of the telescopic compression rod 6, a protective pad 8 fixedly installed on one side surface of the compression limiting plate 7, and a connecting movable groove 9 formed inside the top side of the chip testing fixture body 1, with a movable connector movably installed inside the connecting movable groove 9. A movable connecting rod 10 has a movable limiting plate 11 fixedly connected to one side of its top surface. An auxiliary adjusting handle 12 is fixedly installed on one side of the movable limiting plate 11. The drive motor 3 and the telescopic extrusion rod 6 are connected by a drive connection. The extrusion limiting plate 7 is located inside the chip test fixing slot 2. The extrusion limiting plate 7 and the chip test fixture body 1 are connected by a sliding connection. The movable connecting rod 10 and the connecting movable slot 9 are in one-to-one correspondence. The movable connecting rod 10 and the connecting movable slot 9 are connected by a pin sliding connection. There are two extrusion limiting plates 7, which are symmetrically distributed inside the chip test fixing slot 2. There are several protective pads 8, which are evenly distributed on one side of the extrusion limiting plate 7.
[0020] In the implementation scheme, the integrated circuit chip to be tested is placed inside the chip test fixing slot 2. The telescopic extrusion rod 6 is directly controlled by the control panel 4 on the drive motor 3. The extrusion limiting plate 7 is used to perform side extrusion fixing of the integrated circuit chip. Multiple connecting slots 9 are set on one side surface of the extrusion limiting plate 7 to provide a certain protective effect. The movable connecting rod 10 is adjusted in position inside the connecting slot 9. The movable limiting plate 11 is used to limit and protect the integrated circuit chip on the side of the chip test fixing slot 2. The auxiliary adjustment handle 12 can assist in the position adjustment of the movable limiting plate 11, improving the adjustment convenience of the movable limiting plate 11.
[0021] Example 2:
[0022] Please see Figure 1-4This utility model provides a technical solution: a testing fixture for integrated circuit chips, comprising a chip testing fixture body 1 with a sliding limiting groove 13 formed on one side of its top surface, a sliding limiting rail 14 fixedly installed on one side of the inner wall of the sliding limiting groove 13, a sliding base 15 slidably connected to one side of the sliding limiting rail 14, a connecting arm 16 fixedly connected to one side of the top surface of the sliding base 15, a pressing power motor 17 fixedly installed on one side of the top surface of the connecting arm 16, a telescopic pressing rod 18 telescopically connected to one side of the bottom end of the pressing power motor 17, a fixed hammer 19 fixedly connected to one side of the bottom end of the telescopic pressing rod 18, and a fixed hammer 19 fixedly connected to one side of the top end of the connecting arm 16. A motor control box 20 is installed, and a control key 21 is provided on one side surface of the motor control box 20. A control connection line 22 is fixedly connected between the motor control box 20 and the extrusion power motor 17. A sliding auxiliary handle 23 is fixedly installed on the top of the back side of one side of the connecting arm 16. The sliding base 15 is located inside the sliding limit groove 13. There are several sliding bases 15. The positions of the sliding bases 15 and the connecting arm 16 correspond one-to-one. The connection relationship between the extrusion power motor 17 and the telescopic extrusion rod 18 is a drive connection. The telescopic extrusion rod 18 passes through one side surface of the connecting arm 16. The connection relationship between the motor control box 20 and the extrusion power motor 17 is a power control connection.
[0023] In the implementation scheme, the position of the connecting arm 16 is adjusted by sliding the sliding base 15 within the sliding limit groove 13. The motor control box 20 directly controls the opening of the extrusion power motor 17. The telescopic extrusion rod 18 is extended and retracted within the extrusion power motor 17 to adjust the height. The fixed hammer 19 directly contacts the surface of the integrated circuit chip to achieve the fastening operation of the vertical vertex surface. The sliding auxiliary handle 23 can assist the sliding base 15 in sliding within the sliding limit groove 13 to adjust the fixed position. The fixed hammer 19 can be positioned in multiple locations to ensure that different positions are fixed to the integrated circuit chip, thereby improving its fixing stability.
[0024] Working principle:
[0025] The integrated circuit chip to be tested is placed inside the chip test fixing slot 2. The telescopic extrusion rod 6 is directly controlled by the control panel 4 on the drive motor 3. The extrusion limiting plate 7 is used to perform side extrusion fixing of the integrated circuit chip. Multiple connecting movable slots 9 are set on one side surface of the extrusion limiting plate 7 to provide a certain protective effect. The movable connecting rod 10 is adjusted in position inside the connecting movable slot 9. The movable limiting plate 11 is used to limit and protect the integrated circuit chip on the side of the chip test fixing slot 2. The auxiliary adjustment handle 12 can assist in the position adjustment of the movable limiting plate 11 and improve the adjustment convenience of the movable limiting plate 11.
[0026] The position of the connecting arm 16 can be adjusted by sliding the sliding base 15 within the sliding limit groove 13. The opening of the extrusion power motor 17 can be directly controlled by the motor control box 20. The height of the telescopic extrusion top rod 18 can be adjusted by telescopic movement within the extrusion power motor 17. The vertical apex surface can be fastened by the fixed hammer 19 directly contacting the surface of the integrated circuit chip. The sliding auxiliary handle 23 can assist the sliding base 15 in sliding within the sliding limit groove 13 to adjust the fixing point. The fixed hammer 19 can be positioned in multiple locations to ensure that different points are fixed to the integrated circuit chip, thereby improving its fixing stability.
Claims
1. A test fixture for integrated circuit chips, comprising a chip test fixture body (1), wherein a chip test fixing groove (2) is formed on one top surface of the chip test fixture body (1), characterized in that: A drive motor (3) is fixedly installed on the outer wall of one side top of the chip testing fixture body (1). A control panel (4) is provided on one side surface of the drive motor (3). A power box (5) is fixedly installed on one side top surface of the drive motor (3). A telescopic extrusion rod (6) is telescopically connected to one side top of the drive motor (3). An extrusion limiting plate (7) is fixedly connected to one side top surface of the telescopic extrusion rod (6). A protective pad (8) is fixedly installed on one side surface of the extrusion limiting plate (7). A connecting movable groove (9) is opened inside the side top of the chip testing fixture body (1). A movable connecting rod (10) is movably installed inside the connecting movable groove (9). A movable limiting plate (11) is fixedly connected to one side top surface of the movable connecting rod (10). An auxiliary adjustment handle (12) is fixedly installed on one side surface of the movable limiting plate (11).
2. The testing fixture for integrated circuit chips according to claim 1, characterized in that, The drive motor (3) and the telescopic extrusion rod (6) are connected by a drive connection. The extrusion limiting plate (7) is located inside the chip test fixing slot (2). The extrusion limiting plate (7) and the chip test fixture body (1) are connected by a sliding connection. The positions of the movable connecting rod (10) and the connecting movable slot (9) are in one-to-one correspondence. The connection between the movable connecting rod (10) and the connecting movable slot (9) is a pin sliding connection. There are two extrusion limiting plates (7). The two extrusion limiting plates (7) are symmetrically distributed inside the chip test fixing slot (2). There are several protective pads (8). The several protective pads (8) are evenly distributed on one side surface of the extrusion limiting plate (7).
3. The testing fixture for integrated circuit chips according to claim 1, characterized in that, A sliding limiting groove (13) is provided on the top surface of one side of the chip testing fixture body (1). A sliding limiting rail (14) is fixedly installed on the inner wall of one side of the sliding limiting groove (13). A sliding base (15) is slidably connected to one side of the sliding limiting rail (14). A connecting arm (16) is fixedly connected to the top surface of one side of the sliding base (15). A pressing power motor (17) is fixedly installed on the top surface of one side of the connecting arm (16). A telescopic pressing rod (18) is telescopically connected to the bottom end of one side of the pressing power motor (17). A fixed hammer (19) is fixedly connected to the bottom end of one side of the telescopic pressing rod (18).
4. The testing fixture for integrated circuit chips according to claim 3, characterized in that, A motor control box (20) is fixedly installed on one side of the top end of the connecting arm (16). A control key (21) is provided on one side surface of the motor control box (20). A control connection line (22) is fixedly connected between the motor control box (20) and the extrusion power motor (17). A sliding auxiliary handle (23) is fixedly installed on the top of the back side of one side of the connecting arm (16).
5. A test fixture for integrated circuit chips according to claim 4, characterized in that, The sliding chassis (15) is located inside the sliding limiting groove (13). There are several sliding chassis (15), and the positions of the sliding chassis (15) and the connecting arm (16) correspond one-to-one.
6. A test fixture for integrated circuit chips according to claim 4, characterized in that, The connection between the extrusion power motor (17) and the telescopic extrusion top rod (18) is a drive connection, the telescopic extrusion top rod (18) passes through one side surface of the connecting arm (16), and the connection between the motor control box (20) and the extrusion power motor (17) is an electrical control connection.