Probe placing equipment for probe card processing

Through the process of applying epoxy layer and resin-type patching in the probe card processing, the problem that epoxy resin cannot fill the gap is solved, the fixity and service life of the probe card are improved, and manual operation is reduced through the servo motor Risk, reducing the risk of leakage and scalding.

CN222336031UActive Publication Date: 2025-01-10SHANGHAI STILL SEMICON TEST CO LTD
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Patent Information

Application Number
CN202323656448.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-31
Publication Date
2025-01-10
Estimated Expiration
2033-12-31

AI Technical Summary

Technical Problem

In the existing probe card processing technology, epoxy resin cannot completely fill the gap between the needle and the yellow glue, resulting in high leakage and uneven pressure, affecting product quality and service life.

Method used

First, apply a hole-punched film and resin-type patch on the needle holder, put it in an oven and heat it preheated, then apply an epoxy layer, heat it again to cure it into molding, and then swing the needle. This process avoids the existence of gaps, and The servo motor drives the threaded rod and needle holder to move, reducing the risk of manual operation.

Benefits of technology

It effectively avoids the existence of gaps, reduces the possibility of leakage, and allows each needle to be fully fixed in the epoxy layer and resin-type patch, improves the pressure balance and service life, and reduces the risk of staff being scalded.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of probe card processing equipment, and discloses probe placing equipment for probe card processing, which comprises an equipment main body, and the upper part of the outer wall of the front end of the equipment main body is fixedly connected with a servo motor. According to the utility model, when the punching film and the resin type paste are pasted on the needle placing frame, the needle placing frame is firstly placed in the drying oven to be heated and preheated, then coated with the epoxy layer and then placed in the drying oven to be heated again to enable the epoxy layer to be cured and formed, and finally the needle placing frame is taken out from the drying oven to place the needles. The defect that a gap between a needle and yellow glue cannot be completely filled with an epoxy layer resin type paste in the original process is effectively overcome, the needle clamp is free of gaps in the needle placing process, air, water and other impurities are not prone to being left in the gaps, the possibility of electric leakage of the needle clamp is further reduced, and the service life of the needle clamp is prolonged. Therefore, each needle can be fully fixed in the epoxy layer and the resin paste, the pressure balance of the probe card is greatly improved, and the service life of the probe card is greatly prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of probe card processing equipment, in particular to a probe placement equipment for probe card processing. Background Art

[0002] A probe card is an electronic testing tool used to test and contact test points or pins on a circuit board. It usually consists of a substrate or carrier and multiple metal probes. A series of metal probes are arranged on the substrate of the probe card. The number, arrangement and structure of these probes can be designed according to specific application requirements. Each metal probe corresponds to a test point or pin on the circuit board. Probe cards are widely used in electronic manufacturing, circuit board testing, product debugging and other fields. It can help engineers and technicians quickly and accurately detect and diagnose the performance and function of electronic equipment to ensure product quality and stability.

[0003] However, the original needle placement process is to place the needle first, fix the needle position and spacing, and finally apply epoxy resin to fix it. However, the original processing process may cause a gap between the needle and the yellow glue, which will lead to adverse factors such as high leakage and uneven pressure caused by the gap in the epoxy resin of the probe card.

[0004] Therefore, those skilled in the art provide a probe placement device for probe card processing to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a needle placement device for probe card processing is proposed. When the needle placement frame is pasted with a perforated film and a resin-type paste, it is first placed in an oven for preheating and then coated with an epoxy layer, and then placed in the oven again for heating to solidify the epoxy layer into shape, and finally the needle placement frame is taken out of the oven to place the needle. The new process of first coating the epoxy layer and the resin-type paste and then placing the needle effectively avoids the defect that the epoxy layer resin-type paste cannot completely fill the gap between the needle and the yellow glue in the original process, so that the needle card has no gap during the needle placement process, so that air, water and other impurities are not easily retained in the gap, thereby reducing the possibility of leakage of the probe card, so that each needle can be fully fixed in the epoxy layer and the resin-type paste, greatly increasing the balance of pressure and service life of the probe card.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A needle placement device for probe card processing, comprising a device body, a servo motor is fixedly connected to the upper part of the front end outer wall of the device body, a threaded cavity is opened in the middle of the upper surface of the device body, the output end of the servo motor passes through the device body to the inside of the threaded cavity and is fixedly connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to a threaded sleeve, the upper surface of the threaded sleeve is fixedly connected to a needle placement frame, and probes and probe mounting plates are respectively arranged on both sides of the upper surface of the needle placement frame;

[0008] Through the above technical solution, in actual use, the servo motor is started to drive the threaded rod to rotate, thereby driving the threaded sleeve and the needle rack to move. The needle rack does not need to be manually moved to the inside of the oven by the staff, thereby reducing the risk of scalding of the staff and further improving the practicality of the equipment.

[0009] Furthermore, an oven is fixedly connected to the middle of the rear end of the upper surface of the equipment body, a sealing door is hingedly connected to one side of the front end outer wall of the oven, and a display panel is fixedly connected to the middle of the outer wall of one side of the oven;

[0010] Through the above technical solution, the sealing door is used to ensure the sealing of the oven during drying work, thereby ensuring the practicability of the equipment.

[0011] Furthermore, self-locking universal wheels are fixedly connected to the four corners of the lower surface of the device body, and a control switch is provided on one side of the front outer wall of the device body;

[0012] Through the above technical solution, the self-locking universal wheels make it convenient for workers to move the device, and the control switch makes it convenient for workers to use the device.

[0013] Furthermore, a door handle is fixedly connected to the outer wall of the front end of the sealed door away from the display panel, and an observation window is provided in the middle of the outer wall of the front end of the sealed door;

[0014] Through the above technical solution, the door handle makes it convenient for the staff to open and close the sealed door, and the observation window makes it convenient for the staff to understand the processing progress of the equipment.

[0015] Furthermore, heating plates are provided on the inner walls of both sides of the oven, and a temperature detector is fixedly connected to the middle of the inner wall of the oven away from the display panel;

[0016] Through the above technical solution, the heating plate makes it easier for the oven to heat and dry the epoxy layer, and the temperature detector makes it easier for the staff to understand the temperature inside the oven.

[0017] Furthermore, a ring-shaped body is fixedly connected to the middle of the upper surface of the needle holder, and PCB boards are arranged on both sides of the upper surface of the ring-shaped body;

[0018] Through the above technical solution, the ring body cooperates with the PCB board so that the staff can use the device more easily.

[0019] Furthermore, a resin patch is provided in the middle of the upper surface of the needle holder, and a perforated film is provided on the upper surface of the resin patch;

[0020] Through the above technical solution, the stability of the probe during installation is ensured by the resin sticker, and the installation of the probe is facilitated by the perforated film.

[0021] Furthermore, both sides of the upper surface of the needle holder are provided with epoxy layers;

[0022] Through the above technical solution, the epoxy layer makes it easier for the device to install the probe.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a needle placement device for probe card processing. Compared with the existing needle placement device for probe card processing, when the needle placement device has a perforated film and a resin type paste attached to the needle placement frame, it is first placed in an oven for preheating and then coated with an epoxy layer, and then placed in the oven again for heating to solidify the epoxy layer into shape, and finally the needle placement frame is taken out of the oven to place the needle. The new process of first coating the epoxy layer and the resin type paste and then placing the needle effectively avoids the defect of the original process that the epoxy layer resin type paste cannot completely fill the gap between the needle and the yellow glue, so that the needle card has no gap during the needle placement process, so that air, water and other impurities are not easily retained in the gap, thereby reducing the possibility of leakage of the probe card, so that each needle can be fully fixed in the epoxy layer and the resin type paste, greatly increasing the pressure balance and service life of the probe card.

[0025] 2. The utility model proposes a needle placement device for probe card processing. Compared with the existing needle placement device for probe card processing, the needle placement device for probe card processing starts the servo motor to drive the threaded rod to rotate during actual use, thereby driving the threaded sleeve and the needle placement frame to move. It also makes it unnecessary for the staff to manually move the needle placement frame to the inside of the oven, thereby reducing the risk of burns to the staff and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an axonometric diagram of a needle placement device for probe card processing proposed by the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of a probe placement device for probe card processing proposed by the utility model;

[0028] Figure 3 This is an axonometric diagram of a heating plate and a temperature detector of a probe card processing device proposed by the utility model;

[0029] Figure 4 A front cross-sectional view of a needle placing device and a needle placing frame for a probe card processing proposed by the utility model;

[0030] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0031] Legend:

[0032] 1. Equipment body; 2. Self-locking universal wheel; 3. Servo motor; 4. Threaded cavity; 5. Threaded rod; 6. Threaded sleeve; 7. Needle rack; 8. Oven; 9. Sealed door; 10. Observation window; 11. Door handle; 12. Display panel; 13. Control switch; 14. Heating plate; 15. Temperature detector; 16. Probe; 17. Probe mounting plate; 18. Ring body; 19. PCB board; 20. Resin type sticker; 21. Perforated film; 22. Epoxy layer. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1-5 The utility model provides an embodiment: a needle placement device for probe card processing, comprising a device body 1, a servo motor 3 is fixedly connected to the upper part of the front end outer wall of the device body 1, a threaded cavity 4 is opened in the middle of the upper surface of the device body 1, the output end of the servo motor 3 passes through the device body 1 to the inside of the threaded cavity 4 and is fixedly connected to a threaded rod 5, the outer wall of the rod body of the threaded rod 5 is threadedly connected to a threaded sleeve 6, the upper surface of the threaded sleeve 6 is fixedly connected to a needle placement frame 7, and probes 16 and probe mounting plates 17 are respectively arranged on both sides of the upper surface of the needle placement frame 7;

[0035] When the needle holder 7 is pasted with the perforated film 21 and the resin type sticker 20, it is first placed in the oven 8 for preheating and then coated with a layer of epoxy layer 22, and then placed in the oven 8 for heating again to solidify the epoxy layer 22 into shape, and finally the needle holder 7 is taken out from the oven 8 to place the needles. The new process of first coating the epoxy layer 22 and the resin type sticker 20 and then placing the needles effectively avoids the defect of the original process that the epoxy layer 22 and the resin type sticker 20 cannot completely fill the gap between the needle and the yellow glue, so that there is no gap in the needle card during the needle placement process, so that air, water and other impurities are not easily retained in the gap, thereby reducing the possibility of leakage of the probe card, so that each needle can be fully fixed in the epoxy layer 22 and the resin type sticker 20, greatly increasing the balance of the probe card pressure and the service life.

[0036] An oven 8 is fixedly connected to the middle part of the rear end of the upper surface of the equipment body 1, and a sealed door 9 is hingedly connected to one side of the front end outer wall of the oven 8. A display panel 12 is fixedly connected to the middle part of the outer wall of one side of the oven 8. The sealed door 9 ensures the sealing of the oven 8 during drying work, thereby ensuring the practicality of the equipment. Self-locking universal wheels 2 are fixedly connected to the four corners of the lower surface of the equipment body 1, and a control switch 13 is provided on one side of the front end outer wall of the equipment body 1. The self-locking universal wheels 2 make it convenient for staff to move the equipment, and the control switch 13 makes it convenient for staff to use the equipment. A door handle 11 is fixedly connected to the outer wall of the front end of the sealed door 9 away from the display panel 12, and an observation window 10 is provided in the middle part of the front end outer wall of the sealed door 9. The door handle 11 makes it convenient for staff to open and close the sealed door 9, and the observation window 10 makes it convenient for staff to understand the processing progress of the equipment. The inner walls on both sides of the oven 8 are provided with heating Plate 14, a temperature detector 15 is fixedly connected to the middle of the inner wall of the oven 8 away from the display panel 12. The heating plate 14 facilitates the oven 8 to heat and dry the epoxy layer 22. The temperature detector 15 facilitates the staff to understand the temperature inside the oven 8. An annular body 18 is fixedly connected to the middle of the upper surface of the needle rack 7. PCB boards 19 are arranged on both sides of the upper surface of the annular body 18. The annular body 18 cooperates with the PCB board 19 to facilitate the staff to use the device more easily. A resin type sticker 20 is arranged in the middle of the upper surface of the needle rack 7. A perforated film 21 is arranged on the upper surface of the resin type sticker 20. The resin type sticker 20 ensures the stability of the probe 16 during installation. The perforated film 21 facilitates the staff to install the probe 16. Epoxy layers 22 are arranged on both sides of the upper surface of the needle rack 7. The epoxy layer 22 facilitates the device to install the probe 16.

[0037] Working principle: When the needle placement device for probe card processing has the perforated film 21 and the resin type sticker 20 attached to the needle placement frame 7, it is first placed in the oven 8 for preheating and then coated with an epoxy layer 22, and then placed in the oven 8 for heating again to solidify the epoxy layer 22 into shape, and finally the needle placement frame 7 is taken out of the oven 8 to place the needle, and then the servo motor 3 is started to drive the threaded rod 5 to rotate, thereby driving the threaded sleeve 6 and the needle placement frame 7 to move, so that the needle placement frame 7 does not need to be manually moved to the inside of the oven 8 by the staff.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A probe card processing device, comprising a device body (1), characterized in that: A servo motor (3) is fixedly connected to the upper part of the front end outer wall of the device body (1); a threaded cavity (4) is opened in the middle of the upper surface of the device body (1); the output end of the servo motor (3) passes through the device body (1) to the inside of the threaded cavity (4) and is fixedly connected to a threaded rod (5); the outer wall of the rod body of the threaded rod (5) is threadedly connected to a threaded sleeve (6); the upper surface of the threaded sleeve (6) is fixedly connected to a needle placement frame (7); and probes (16) and probe mounting plates (17) are respectively arranged on both sides of the upper surface of the needle placement frame (7).

2. The probe card processing device according to claim 1, characterized in that: An oven (8) is fixedly connected to the middle of the rear end of the upper surface of the equipment body (1), a sealing door (9) is hingedly connected to one side of the front end outer wall of the oven (8), and a display panel (12) is fixedly connected to the middle of the outer wall of one side of the oven (8).

3. The probe card processing device according to claim 1, characterized in that: Self-locking universal wheels (2) are fixedly connected at the four corners of the lower surface of the device body (1), and a control switch (13) is arranged on one side of the front end outer wall of the device body (1).

4. The probe card processing device according to claim 2, characterized in that: A door handle (11) is fixedly connected to the outer wall at the front end of the sealed door (9) away from the display panel (12), and an observation window (10) is provided in the middle of the outer wall at the front end of the sealed door (9).

5. The probe card processing device according to claim 2, characterized in that: The inner walls on both sides of the oven (8) are provided with heating plates (14), and a temperature detector (15) is fixedly connected to the middle of the inner wall of the oven (8) away from the display panel (12).

6. The probe card processing device according to claim 1, characterized in that: A ring-shaped body (18) is fixedly connected to the middle of the upper surface of the needle placing frame (7), and PCB boards (19) are arranged on both sides of the upper surface of the ring-shaped body (18).

7. The probe card processing device according to claim 1, characterized in that: A resin patch (20) is arranged in the middle of the upper surface of the needle placement frame (7), and a perforated film (21) is arranged on the upper surface of the resin patch (20).

8. The probe card processing device according to claim 1, characterized in that: Epoxy layers (22) are provided on both sides of the upper surface of the needle placement frame (7).