Copper wire chopper for semiconductor packaging and bonding

Abstract

The utility model relates to a copper wire chopper for semiconductor packaging and bonding, which aims to solve the technical problem that a copper wire cannot easily enter a wire hole when penetrating through the wire hole due to the fact that the diameter of the wire hole in the current chopper is small, and comprises a connecting handle, a head section is arranged at one end of the connecting handle, a copper wire frame is arranged at one end of the head section, and the copper wire chopper further comprises a wire inlet structure. The wire inlet structure is arranged at the inlet end of a wiring hole A formed in the head section; wherein the wiring hole A is in an L shape; the wire inlet structure comprises an internal thread sleeve, an external thread sleeve and a round hopper; the internal thread sleeve is fixedly arranged at the inlet end of the wiring hole A of the head section; the external thread sleeve is arranged in the internal thread sleeve in a threaded manner; the round bucket is fixedly arranged at the outer end of the external thread sleeve; wherein the flaring end of the round hopper faces outwards, and the copper wire inserting device has the advantages that the caliber of an inlet is increased at the copper wire inserting position, copper wires are convenient to insert, and the round hopper is convenient to mount and dismount.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor packaging, in particular to a copper wire splitter for semiconductor packaging bonding. Background Art

[0002] Semiconductor packaging refers to the process of processing tested wafers into independent chips according to product models and functional requirements. This includes using ultra-fine metal (gold, tin, copper, and aluminum) wires or conductive resins to connect the bonding pads of the chip to the corresponding pins of the substrate to form the required circuit.

[0003] When semiconductor packaging is bonded, ultra-thin copper wires are cut by a splitter. The existing copper wires pass through the splitter, but because the diameter of the wire hole on the splitter is small, it is difficult for the copper wire to enter the wire hole at the beginning.

[0004] In view of this, we propose a copper wire cleaver for semiconductor package bonding. Utility Model Content

[0005] The utility model aims to overcome the shortcomings of the prior art, meet practical needs, and provide a copper wire splitting knife for semiconductor packaging bonding to solve the current technical problem that the copper wire is not easy to enter the wire hole at the beginning due to the small diameter of the wire hole on the splitting knife.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a copper wire splitter for semiconductor packaging bonding, including a connecting handle, one end of the connecting handle is provided with a head section, one end of the head section is provided with a copper wire rack, and also includes a wire entry structure;

[0007] The wire entry structure is arranged at the entry end of the wiring hole A opened on the head section;

[0008] Wherein, the wiring hole A is L-shaped;

[0009] The wire entry structure comprises an internal thread sleeve, an external thread sleeve and a round bucket;

[0010] The internal threaded sleeve is fixedly arranged at the entry end of the wiring hole A of the head section;

[0011] The external thread sleeve is threadedly arranged in the internal thread sleeve;

[0012] The round bucket is fixedly arranged at the outer end of the external threaded sleeve;

[0013] Wherein, the expanded end of the round bucket faces outwards.

[0014] Preferably, a wiring hole B is provided at the top of the copper wire rack, and an outlet end of the wiring hole B is connected to a groove provided at the outer end of the copper wire rack.

[0015] Preferably, the entry end of the wiring hole B is designed to be inclined arc-shaped.

[0016] Preferably, the bottom of the outer end of the copper wire rack is connected to a cutter via a connecting structure, and connecting structures are arranged at both ends of the cutter;

[0017] The connecting structure comprises a U-shaped block and a connecting block;

[0018] The U-shaped block is fixedly arranged on the bottom side of the outer end of the copper wire rack;

[0019] Wherein, the opening of the U-shaped block faces inwards;

[0020] The connecting block is fixedly arranged at the end of the tool;

[0021] Wherein, the outer end of the connecting block is engaged with the opening of the U-shaped block;

[0022] Wherein, the connecting block is fixedly connected to the bottom of the outer end of the copper wire rack by screws.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. The utility model has the advantages of increasing the diameter of the entrance at the copper wire insertion position by arranging the internal thread sleeve, the external thread sleeve and the round bucket, which is convenient for the copper wire to be inserted, and the round bucket is easy to install and disassemble, and solves the problem that the copper wire is not easy to enter the wire hole at the beginning due to the small diameter of the wire hole on the chopper.

[0025] 2. The utility model has the advantages of detachable tool, convenient tool replacement, and convenient screwing in of the screws by setting the U-shaped block, the connecting block and the screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the connection structure between the head section and the copper wire rack of the utility model;

[0028] Figure 3 This is a schematic diagram of the line entry structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the connection structure of the utility model;

[0030] In the figure: 1. Connecting handle; 2. Head section; 3. Copper wire rack; 4. Cutting tool; 5. Connecting structure; 6. Wire entry structure;

[0031] 201, wiring hole A;

[0032] 301, wiring hole B; 302, groove;

[0033] 501, connecting block; 502, U-shaped block; 503, screw;

[0034] 601, internal thread sleeve; 602, external thread sleeve; 603, round bucket. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0036] Embodiment 1: A copper wire splitter for semiconductor package bonding, see Figures 1 to 4 , including a connecting handle 1, a head section 2 is provided at one end of the connecting handle 1, a copper wire rack 3 is provided at one end of the head section 2, and also includes a wire entry structure 6; the wire entry structure 6 is arranged at the entry end of the wiring hole A201 opened on the head section 2; wherein the wiring hole A201 is L-shaped;

[0037] The wire entry structure 6 includes an internal threaded sleeve 601, an external threaded sleeve 602 and a round bucket 603; the internal threaded sleeve 601 is fixed at the entry end of the wiring hole A201 of the head section 2; the external threaded sleeve 602 is threaded inside the internal threaded sleeve 601; the round bucket 603 is fixed at the outer end of the external threaded sleeve 602; wherein, the flared end of the round bucket 603 faces outwards.

[0038] The utility model has the advantages of increasing the diameter of the entrance at the copper wire insertion point by arranging the internal thread sleeve 601, the external thread sleeve 602 and the round bucket 603, which is convenient for the copper wire to be inserted, and the round bucket 603 is easy to install and disassemble, thereby solving the problem that the copper wire is difficult to enter the wire hole at the beginning due to the small diameter of the wire hole on the splitting knife.

[0039] Specifically, a wiring hole B301 is provided on the top of the copper wire rack 3, and the wire outlet of the wiring hole B301 is connected to the groove 302 provided at the outer end of the copper wire rack 3. The copper wire passing through the wiring hole A201 passes through the wiring hole B301 and the groove 302, and the copper wire extends out through the guide of the bottom slope of the groove 302, and can be cut by the cutter 4 after welding.

[0040] Furthermore, the entry end of the wiring hole B301 is designed to be inclined arc-shaped, which facilitates the copper wire to turn from horizontal to vertical.

[0041] Furthermore, the bottom of the outer end of the copper wire rack 3 is connected to a cutter 4 through a connecting structure 5, and connecting structures 5 are arranged at both ends of the cutter 4;

[0042] The connecting structure 5 includes a U-shaped block 502 and a connecting block 501; the U-shaped block 502 is fixedly arranged on the side of the bottom outer end of the copper wire rack 3; wherein the opening of the U-shaped block 502 faces inward; the connecting block 501 is fixedly arranged on the end of the tool 4; wherein the outer end of the connecting block 501 is engaged with the opening of the U-shaped block 502; wherein the connecting block 501 is fixedly connected to the bottom outer end of the copper wire rack 3 by means of a screw 503, and the screw 503 passes through the hole on the connecting block 501 and is screwed into the screw hole at the bottom outer end of the copper wire rack 3.

[0043] The utility model has the advantages that the tool 4 is detachable by arranging the U-shaped block 502, the connecting block 501 and the screw 503, so that the tool 4 is easy to replace, and when the tool 4 is installed, the U-shaped block 502 and the connecting block 501 are positioned to facilitate screwing in the screw 503.

[0044] Working principle: Use the device of the utility model, install the corresponding tool 4, insert the outer end of the connecting block 501 into the opening of the U-shaped block 502, screw the screw 503 through the hole on the connecting block 501 and screw it into the screw hole at the bottom of the outer end of the copper wire rack 3 to fix the tool 4, screw the external threaded sleeve 602 into the internal threaded sleeve 601, install the round bucket 603, and the copper wire enters the wiring hole A201 from the round bucket 603, and then passes through the wiring hole B301 through the groove 302. The copper wire extends out through the guide of the inclined surface at the bottom of the groove 302 and can be cut off by the tool 4 after welding.

[0045] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A copper wire splitter for semiconductor package bonding, comprising a connecting handle (1), one end of the connecting handle (1) is provided with a head section (2), one end of the head section (2) is provided with a copper wire frame (3), characterized in that: Also includes: A wire entry structure (6) arranged at an entry end of a wire routing hole A (201) provided on the head section (2); Wherein, the wiring hole A (201) is L-shaped; The line entry structure (6) comprises: An internal threaded sleeve (601) is fixedly mounted at the entrance end of the wiring hole A (201) of the head section (2); An external threaded sleeve (602) having threads disposed inside the internal threaded sleeve (601); A round bucket (603) is fixedly mounted on the outer end of the external threaded sleeve (602); Wherein, the flared end of the round bucket (603) faces outwards.

2. A copper wire splitter for semiconductor package bonding as claimed in claim 1, characterized in that: A wiring hole B (301) is provided on the top of the copper wire rack (3), and a wire outlet end of the wiring hole B (301) is connected to a groove (302) provided on the outer end of the copper wire rack (3).

3. A copper wire splitter for semiconductor package bonding as claimed in claim 2, characterized in that: The entry end of the wiring hole B (301) is designed to be inclined arc-shaped.

4. A copper wire splitter for semiconductor package bonding as claimed in claim 1, characterized in that: The bottom of the outer end of the copper wire rack (3) is connected to a cutter (4) via a connecting structure (5), and connecting structures (5) are respectively arranged at both ends of the cutter (4); The connection structure (5) comprises: A U-shaped block (502) is fixedly mounted on the bottom side of the outer end of the copper wire rack (3); Wherein, the opening of the U-shaped block (502) faces inwards; A connecting block (501) is fixedly mounted on the end of the tool (4); The outer end of the connection block (501) is engaged with the opening of the U-shaped block (502); The connection block (501) is fixedly connected to the bottom of the outer end of the copper wire rack (3) via screws (503).

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