Integrated circuit metal shell transistor packaging detection device

By installing the detection contact sheet and the on-off contact sheet on the load-bearing insulating plate of the package detection device, and using bolts and elastic sheets to achieve stable connection and pin replacement, the problem of poor stability of the contact between the pen head and the transistor pin and the pin mixing phenomenon is solved, and the accuracy and convenience of detection are improved.

CN222545367UActive Publication Date: 2025-02-28SHANXI JIUDING SCIENCE & TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420839980.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-02-28
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

In the existing package detection device, the contact stability between the detection pen tip and the transistor pin is poor, and pin mixing is prone to occur during the detection process, making it difficult to add external measures to the detection device to ensure stability and realize pin contact replacement.

Method used

An integrated circuit metal housing transistor package detection device is designed, and the detection contact sheet and the on-off contact sheet are installed on the load insulation board, and the stable connection and pin replacement of the detection pen head and the transistor pin are achieved using bolts and elastic sheets.

Benefits of technology

The device uses bolt installation to detect the contact sheet to ensure the stability of the connection between the detection pen head and the transistor pin, and pin replacement is achieved by pressing down the elastic sheet of the on-off contact sheet, avoiding pin mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an integrated circuit metal shell transistor packaging detection device, which relates to the technical field of packaging detection and comprises a device body. The device body is provided with a bearing insulating plate in the left-right direction, vertically-through stepped holes are formed in the middles of the left end and the right end of the top end face of the bearing insulating plate, vertically-through locking screw holes are formed in the left side and the right side of the front of the bearing insulating plate, and vertically-through insertion holes are formed in the middles of the front end and the rear end of the bearing insulating plate. Insertion blind holes are formed in the middles of the front and rear end faces of the bearing insulating plate, so that the detection contact piece is conveniently installed on the bearing insulating plate through bolts to enable the transistor pin to be inserted and communicated with the detection pen point, the connection stability between the detection pen point and the transistor pin is ensured, and the problems that the contact stability between the detection pen point and the transistor pin is poor and the reliability is poor are solved. The detection result is easily influenced due to poor contact, and external measures are inconvenient to add on the detection device to ensure the stability of the insertion of the transistor pin.
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Description

Technical Field

[0001] The utility model belongs to the technical field of packaging detection, and in particular relates to an integrated circuit metal shell transistor packaging detection device. Background Art

[0002] An integrated circuit is a miniature electronic device or component. The integrated circuit shell is the external package used to protect the integrated circuit chip. The shell is usually made of materials such as plastic, ceramic and metal. After the packaging is completed, it needs to be inspected by a packaging detection device. The packaging detection items include appearance inspection, size measurement, pin connectivity test, functional test, temperature aging test, environmental adaptability test and reliability test.

[0003] Based on the above, the inventors found that the existing packaging detection device has the following deficiencies:

[0004] 1. The contact stability between the detection pen tip and the transistor pin is poor, which can easily affect the test results due to poor contact. It is inconvenient to add external measures to the detection device to ensure the stability of the transistor pin insertion;

[0005] 2. During the transistor pin connectivity test, the pen tip needs to be moved to replace different pins, which easily causes the pins to be mixed up. It is not convenient to add contact measures to the test device to achieve pin contact replacement. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides an integrated circuit metal shell transistor packaging detection device to solve the problems that the contact stability between the existing detection pen tip and the transistor pin is poor, the detection result is easily affected by poor contact, and it is inconvenient to add external measures to the detection device to ensure the stability of the transistor pin insertion; during the transistor pin connectivity detection process, the detection pen tip needs to be moved to replace different pins, which easily causes pin mixing, and it is inconvenient to add contact measures to the detection device to achieve pin contact replacement.

[0007] The purpose and effect of the integrated circuit metal shell transistor packaging detection device of the utility model are achieved by the following specific technical means:

[0008] A device for detecting transistor packaging of an integrated circuit metal shell comprises a device body; the device body is provided with a left-right bearing insulating plate, the middle of the left and right ends of the top end face of the bearing insulating plate are provided with stepped holes penetrating up and down, the left and right sides of the front of the bearing insulating plate are provided with locking screw holes penetrating up and down, the middle of the front and rear ends of the bearing insulating plate are provided with insertion holes penetrating up and down, the middle of the front and rear ends of the bearing insulating plate are provided with insertion blind holes, the central annular array of the bearing insulating plate is provided with three placement holes penetrating up and down, the outer side of the placement hole of the bearing insulating plate is provided with a fixing screw hole penetrating up and down, a detection contact piece in the front and rear directions is installed in the middle of the rear end face of the top end face of the bearing insulating plate by bolts, a contact column in the front and rear directions is provided at the front end of the detection contact piece, a frustum blind hole is provided at the top end face of the contact column of the detection contact piece, a through hole penetrating up and down is provided in the middle of the detection contact piece, an internal threaded cylinder penetrating up and down is provided at the rear end of the bottom end face of the detection contact piece, and an insertion hole penetrating up and down is provided on the internal threaded cylinder of the detection contact piece.

[0009] Furthermore, the internal top of the internal threaded tube of the on-off contact piece and the detection contact piece are both equipped with wire clamping columns in the up-and-down direction, the external circumference of the wire clamping column is provided with threads, and the top end surface of the wire clamping column is provided with a regular hexagonal groove.

[0010] Furthermore, an internal threaded barrel that passes through from top to bottom is provided in the middle of the bottom end surface of the on-off contact piece, and an insertion hole that passes through from front to back is provided on the internal threaded barrel of the on-off contact piece.

[0011] Furthermore, inclined elastic sheets are arranged behind both ends of the on-off contact sheet, and a contact hemisphere is arranged at the rear end of the bottom end surface of the elastic sheet of the on-off contact sheet.

[0012] Furthermore, a make-break contact piece in left and right directions is installed in front of the top end face of the load-bearing insulating plate by bolts, and through holes penetrating up and down are opened on both left and right sides of the make-break contact piece.

[0013] Furthermore, the rear end of the pin contact piece is provided with contact pillars in the up-and-down directions, and the top end surface of the contact pillars of the pin contact piece is provided with frustum-shaped blind holes.

[0014] Furthermore, pin contact pieces are installed on both left and right sides in front of the top end surface of the load-bearing insulating plate by bolts, and a through hole penetrating from top to bottom is opened in the middle of the pin contact piece.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The convenient detection contact piece is installed on the supporting insulating plate by bolts so that the transistor pin is inserted into the connected detection pen head, thereby ensuring the connection stability between the detection pen head and the transistor pin, solving the problem that the contact stability between the detection pen head and the transistor pin is poor, which is easy to affect the detection result due to poor contact, and it is inconvenient to add external measures to the detection device to ensure the stability of the transistor pin insertion.

[0017] The on-off contact piece is conveniently installed on the supporting insulating plate by bolts to support the detection pen tip, and the pin replacement is conveniently realized by controlling the elastic piece of the on-off contact piece to press down, which solves the problem that the detection pen tip needs to be moved to replace different pins during the transistor pin connectivity detection process, which easily causes the pins to be mixed up and it is inconvenient to add contact measures to the detection device to realize pin contact replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the top structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above.

[0020] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0021] Figure 4 It is a schematic diagram of the disassembled structure of the utility model.

[0022] Figure 5 It is a bottom view schematic diagram of the on-off contact piece of the utility model.

[0023] Figure 6 It is a rear view schematic diagram of the detection contact piece of the utility model.

[0024] In the figure: 1. Device body; 2. Load-bearing insulating plate; 3. Detection contact piece; 4. Pin contact piece; 5. Make-break contact piece; 6. Wire clamping column. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides an integrated circuit metal shell transistor packaging detection device, comprising a device body 1; the device body 1 is provided with a bearing insulating plate 2 in the left and right directions, which is convenient for carrying various components, the middle of the left and right ends of the top end surface of the bearing insulating plate 2 are provided with stepped holes that penetrate up and down, which are convenient for fixing by bolts, the left and right sides of the front of the bearing insulating plate 2 are provided with locking screw holes that penetrate up and down, which are convenient for installing the on-off contact piece 5 by bolts, the middle of the front and rear ends of the bearing insulating plate 2 are provided with insertion holes that penetrate up and down, which are convenient for inserting the internal threaded tube of the detection contact piece 3 and the on-off contact piece 5, the middle of the front and rear end surfaces of the bearing insulating plate 2 are provided with insertion blind holes, which are convenient for inserting the detection pen tip, and the central annular array of the bearing insulating plate 2 is provided with three placement holes that penetrate up and down, which are convenient for connecting the detection contact piece 3 and the pin contact piece 4. The contact column is inserted, and a fixing screw hole that runs through the upper and lower parts is opened on the outer side of the placement hole of the supporting insulating plate 2, which is convenient for the detection contact piece 3 and the pin contact piece 4 to be installed by bolts. A detection contact piece 3 in the front-to-back direction is installed by bolts in the middle of the rear end surface of the top end surface of the supporting insulating plate 2, which is convenient for connecting the detection pen tip and the transistor pin. The front end of the detection contact piece 3 is provided with a contact column in the upper and lower directions, which is convenient for contact with the pin. A frustum-conical blind hole is opened on the top end surface of the contact column of the detection contact piece 3, which is convenient for quick insertion of the pin. A through hole that runs through the upper and lower parts is opened in the middle of the detection contact piece 3, which is convenient for installation by bolts. An internal threaded cylinder that runs through the upper and lower parts is set at the rear end of the bottom end surface of the detection contact piece 3, which is convenient for the wire clamping column 6 to be installed by threading. An insertion hole that runs through the front and back is opened on the internal threaded cylinder of the detection contact piece 3, which is convenient for the end of the detection pen tip to be inserted into the interior for connection.

[0029] Among them, pin contact pieces 4 are installed on both sides of the top end face of the supporting insulating plate 2 through bolts, which is convenient for contact and conduction with the pins. A through hole that runs through the top and bottom is opened in the middle of the pin contact piece 4, which is convenient for installation by bolts. The rear end of the pin contact piece 4 is provided with contact columns in the up and down directions, which is convenient for contact with the pins. The top end face of the contact column of the pin contact piece 4 is provided with a frustum-conical blind hole, which is convenient for the pin to be quickly inserted. The front of the top end face of the supporting insulating plate 2 is installed with left and right directions of on-off contact pieces 5 through bolts, which is convenient for replacing the pins to be tested by pressing. The left and right sides of the on-off contact piece 5 are provided with through holes that run through the top and bottom, which is convenient for installation by bolts. Inclined elastic pieces are provided at the rear of both ends of the on-off contact piece 5. , it is convenient to press down and rebound to rise. A contact hemisphere is arranged at the rear end of the bottom end face of the elastic piece of the on-off contact piece 5, which is convenient for contact and conduction with the pin contact piece 4. An internal threaded cylinder that runs through from top to bottom is arranged in the middle of the bottom end face of the on-off contact piece 5, which is convenient for the wire clamping column 6 to be installed through threads. An insertion hole that runs through front and back is opened on the internal threaded cylinder of the on-off contact piece 5, which is convenient for the insertion of the detection pen tip. The top of the internal threaded cylinder of the on-off contact piece 5 and the detection contact piece 3 are both equipped with wire clamping columns 6 in the upper and lower directions, which is convenient for clamping and connecting the detection pen tip. The outer circumference of the wire clamping column 6 is provided with threads, which is convenient for installation through threads. The top end face of the wire clamping column 6 is provided with a regular hexagonal groove, which is convenient for rotation and disassembly by tools.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the utility model, Figure 3 The ends of the detection pen tips are inserted into the insertion holes of the detection contact piece 3 and the on-off contact piece 5, and the ends of the detection pen tips are locked and fixed by the wire clamping column 6. The outer end of the detection pen tip is in a truncated state. The top between the detection contact piece 3 and the pin contact piece 4 is a transistor, and the pins of the transistor are inserted into the inverted cone blind holes of the detection contact piece 3 and the pin contact piece 4, thereby ensuring the connection stability; when Figure 1 When the connectivity between the rear pin and the left front pin of the transistor is detected, the elastic sheet on the left side of the on-off contact piece 5 is pressed down to contact with the pin contact piece 4 on the left side, thereby realizing the connectivity detection between the rear pin and the left front pin of the transistor, the elastic sheet on the left side of the on-off contact piece 5 is loosened, and the elastic sheet on the right side of the on-off contact piece 5 is pressed down to contact with the pin contact piece 4 on the right side, thereby realizing the connectivity detection between the rear pin and the right front pin of the transistor, thereby realizing pin replacement by controlling the elastic sheet of the on-off contact piece 5 to be pressed down.

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal groove of the wire clamping column 6 can also be set as a regular heptagonal groove, so that the wire clamping column 6 can only be rotated by a special tool that cooperates with the regular heptagonal groove, preventing non-staff from rotating and disassembling the wire clamping column 6.

[0034] Embodiment three:

[0035] The difference from the first embodiment is that the bottom end surface of the wire clamping column 6 can also be set to a frosted surface, thereby increasing the friction between the bottom end surface of the wire clamping column 6 and the wire, preventing the wire clamping column 6 from rotating and loosening.

Claims

1. An integrated circuit metal shell transistor packaging detection device, characterized in that: The device comprises a device body (1); the device body (1) is provided with a bearing insulation plate (2); the middle of the left and right ends of the top end surface of the bearing insulation plate (2) are provided with stepped holes that penetrate vertically; the left and right sides of the front of the bearing insulation plate (2) are provided with locking screw holes that penetrate vertically; the middle of the front and rear ends of the bearing insulation plate (2) are provided with insertion holes that penetrate vertically; the middle of the front and rear end surfaces of the bearing insulation plate (2) are provided with insertion blind holes; the center ring array of the bearing insulation plate (2) is provided with three placement holes that penetrate vertically; the bearing insulation plate A fixing screw hole is provided on the outside of the placement hole of (2) and passes through the upper and lower parts. A detection contact piece (3) is installed in the middle of the rear end surface of the top of the supporting insulating plate (2) by means of a bolt. A contact column in the upper and lower directions is provided at the front end of the detection contact piece (3). A frustum-shaped blind hole is provided on the top end surface of the contact column of the detection contact piece (3). A through hole is provided in the middle of the detection contact piece (3) and passes through the upper and lower parts. An internal threaded tube is provided at the rear end of the bottom end surface of the detection contact piece (3) and passes through the upper and lower parts. An insertion hole is provided on the internal threaded tube of the detection contact piece (3) and passes through the front and rear parts.

2. An integrated circuit metal shell transistor packaging detection device as claimed in claim 1, characterized in that: Pin contact pieces (4) are installed on both left and right sides in front of the top end surface of the load-bearing insulating plate (2) by means of bolts, and a through hole penetrating from top to bottom is provided in the middle of the pin contact piece (4).

3. An integrated circuit metal shell transistor packaging detection device as claimed in claim 2, characterized in that: The rear end of the pin contact piece (4) is provided with a contact column in the up-and-down direction, and the top end surface of the contact column of the pin contact piece (4) is provided with an inverted truncated cone blind hole.

4. The integrated circuit metal shell transistor packaging detection device as claimed in claim 2, characterized in that: A make-break contact piece (5) is installed in front of the top end face of the load-bearing insulating plate (2) by means of bolts, and through holes penetrating from top to bottom are provided on both left and right sides of the make-break contact piece (5).

5. An integrated circuit metal shell transistor packaging detection device as claimed in claim 4, characterized in that: Inclined elastic sheets are arranged behind both ends of the on-off contact sheet (5), and a contact hemisphere is arranged at the rear end of the bottom end surface of the elastic sheet of the on-off contact sheet (5).

6. An integrated circuit metal shell transistor packaging detection device as claimed in claim 5, characterized in that: An internal threaded barrel that passes through from top to bottom is arranged in the middle of the bottom end surface of the on-off contact piece (5), and an insertion hole that passes through from front to back is opened on the internal threaded barrel of the on-off contact piece (5).

7. An integrated circuit metal shell transistor packaging detection device as claimed in claim 6, characterized in that: A wire clamping column (6) is installed at the top of the internal threaded cylinder of the on-off contact piece (5) and the detection contact piece (3), a thread is provided on the outer circumference of the wire clamping column (6), and a regular hexagonal groove is provided on the top end face of the wire clamping column (6).