Silver sintering and crimping device

By introducing an anti-adhesion mechanism and a negative ion gas blowing hole into the silver sintering pressing device, the problem of auxiliary film adhesion was solved, and adaptive pressing under vacuum environment was realized, which improved the efficiency and quality of chip processing.

CN223798685UActive Publication Date: 2026-01-13ZHONGKE TONGQI SEMICON (JIANGSU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520097382.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-13
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

In the prior art, the auxiliary film is easy to adhere to the workpiece and heating plate, making it difficult to effectively remove the auxiliary film during the hot pressing sintering process of the chip.

Method used

A silver sintering pressing device was designed, which includes an anti-adhesion mechanism. Negative ion gas is blown out through the first, second and third air holes to form an isolation layer and prevent the auxiliary film from adhering. At the same time, the pressing head connection structure is attracted by a magnet and can be disassembled and replaced. Pressing is performed in a vacuum environment.

Benefits of technology

It effectively prevents the auxiliary film from sticking to the workpiece, realizes adaptive pressing in a vacuum environment, and improves the efficiency and quality of chip processing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223798685U_ABST
    Figure CN223798685U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of chip processing equipment, and provides a silver sintering crimping device which comprises a crimping assembly and an anti-bonding mechanism. The anti-bonding mechanism is arranged below the crimping assembly, a pressure head assembly of the crimping assembly penetrates through a pressure head hole of a pressure plate of the anti-bonding mechanism, the lower portion of the pressure head assembly moves in the pressure head hole, and a first blowing hole and a second blowing hole are formed in the periphery of the pressure head hole. And the auxiliary film is prevented from being adhered to the workpiece and the heating plate.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of chip processing equipment technology, and in particular to a silver sintering and pressing device. Background Technology

[0002] Currently, the hot pressing methods used for nano-silver or nano-copper in chip hot pressing are mostly integral pressing or split pressing (distributed on the same plane). The workpiece to be processed is placed on the lower pressing platform, and the chip is pressed by the mutual approach and distance of the two pressing heads between them. Existing auxiliary films are prone to adhering to the workpiece and the heating plate. Summary of the Invention

[0003] This invention provides a silver sintering pressing device to solve the problem that existing auxiliary films easily adhere to workpieces and heating plates.

[0004] A silver sintering pressing device includes a pressing assembly and an anti-adhesion mechanism; the anti-adhesion mechanism is disposed below the pressing assembly, the pressing head assembly of the pressing assembly passes through the pressing head hole at the lower part of the anti-adhesion mechanism, the lower part of the pressing head assembly moves within the pressing head hole, and a first air blowing hole and a second air blowing hole are disposed around the pressing head hole.

[0005] According to the silver sintering pressing device of this utility model, the anti-adhesion mechanism further includes a lifting column, an elastic element, and a pressure plate gas pipe; a gas pipeline is provided inside the pressure plate, the lifting column is provided around the pressure plate, the lifting column is provided around the pressing assembly, the elastic element is provided above the lifting column, and the pressure plate gas pipe is provided on both sides of the pressure plate, and the pressure plate gas pipe is connected to the gas pipeline.

[0006] The silver sintering pressing device according to this utility model further includes a third air blowing hole, which is provided on the upper part of the pressing plate.

[0007] According to the silver sintering pressing device of this utility model, the pressing assembly further includes a pressure chamber assembly; the pressure chamber assembly is provided with multiple pressure chambers and multiple upper covers, the upper covers are disposed above the pressure chambers, the pressing head of the pressing head assembly is disposed inside the pressure chambers, the pressing head connecting structure of the pressing head assembly passes through the lower part of the pressure chambers, and the pressing head of the pressing head assembly moves up and down inside the pressure chambers.

[0008] According to the silver sintering pressing device of this utility model, the pressing head assembly further includes an adhesive structure and a heating plate; the pressing head and the pressing head connecting structure are connected through the adhesive structure, the adhesive structure is disposed in the lower groove of the pressing head, and the heating plate is disposed at the lower part of the pressing head connecting structure.

[0009] According to the silver sintering pressing device of this utility model, the adhesive structure is circular, square, or annular.

[0010] According to the silver sintering pressing device of this utility model, the outer diameter of the adhesive structure is smaller than the length of the connection between the pressing head connecting structure and the adhesive structure.

[0011] The silver sintering pressing device according to this utility model also includes a heat insulation plate, which is disposed above the heating plate and below the pressing head connection structure.

[0012] The silver sintering pressing device according to this utility model further includes sealing grooves and through holes. Multiple sealing grooves are provided on the upper part of the pressing head, and through holes are provided on the side wall of the pressure chamber.

[0013] The silver sintering pressing device according to this utility model further includes a high-pressure gas and / or high-pressure liquid medium mechanism, which is used for filling the through hole with gas.

[0014] This utility model has the following advantages:

[0015] It achieves crimping in a vacuum environment. The crimping head connection structure can be magnetically attached to the crimping head cover. The magnet and the crimping head connection structure are detachable, allowing for direct disassembly and replacement if there is a problem with the crimping head connection structure or the magnet.

[0016] By filling and releasing air through the through-hole, the pressure head moves within the sealed chamber, achieving adaptive pressing.

[0017] The first, third, and second air inlets blow negative ion gas to prevent the auxiliary film from adhering to the workpiece. The first and second air inlets, blowing air laterally, effectively reduce the adhesion of the auxiliary film to the workpiece in the width direction, creating an isolation layer between the negative ion gas and the lateral contact surface of the auxiliary film and the workpiece. The third air inlet blows air longitudinally, allowing the negative ion gas to promptly enter between the auxiliary film and the workpiece, further reducing the likelihood of the auxiliary film adhering to the workpiece. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the main view structure of the silver sintering and pressing device;

[0020] Figure 2A three-dimensional structural diagram of the silver sintering and pressing device. Figure 1 ;

[0021] Figure 3 A three-dimensional structural diagram of the silver sintering and pressing device. Figure 2 ;

[0022] Figure 4 Cross-sectional view of the silver sintering and pressing device Figure 1 ;

[0023] Figure 5 A three-dimensional structural diagram of the anti-adhesion mechanism;

[0024] Figure 6 This is a structural schematic diagram of a magnified view of part A;

[0025] Figure 7 A three-dimensional structural diagram of the silver sintering and pressing device. Figure 3 ;

[0026] Figure 8 A three-dimensional structural diagram of the silver sintering and pressing device. Figure 4 ;

[0027] Figure 9 for Figure 7 Cross-sectional view and structural schematic diagram;

[0028] Figure 10 This is a three-dimensional structural diagram of the pressure head;

[0029] Figure 11 This is a three-dimensional structural diagram of the adhesive structure;

[0030] Reference numerals: 1. Crimping assembly; 11. Pressure chamber assembly; 12. Crimping head assembly; 13. Gas pipe; 14. Top cover; 2. Anti-adhesion mechanism; 21. Pressure plate; 22. Crimping head hole; 23. Lifting column; 24. Compression spring; 25. Pressure plate gas pipe; 26. First air blowing hole; 27. Second air blowing hole; 28. Third air blowing hole; 111. Pressure chamber frame; 112. Through hole; 113. Pressure chamber; 121. Crimping head; 122. Crimping head connection structure; 123. Heat insulation plate; 124. Heating plate; 125. Magnet; 126. Sealing groove; 127. Groove through hole. Detailed Implementation

[0031] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0032] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0034] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or at least one embodiment or example. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0036] The following is combined with Figure 1-11A silver sintering pressing device according to an embodiment of the present invention includes a pressing component 1 and an anti-adhesion mechanism 2. The anti-adhesion mechanism 2 is provided below the pressing component 1. The pressing head component 12 of the pressing component 1 passes through the pressing head hole 22 at the lower part of the anti-adhesion mechanism 2. The lower part of the pressing head component 12 moves within the pressing head hole 22. A first air hole 26 and a second air hole 27 are provided around the pressing head hole 22.

[0037] In some embodiments, the anti-adhesion mechanism 2 further includes lifting columns 23, elastic elements 24, and pressure plate gas pipes 25; the elastic element 24 is preferably a compression spring 24. Gas pipes are provided inside the pressure plate 21, and lifting columns 23 are arranged around the pressure plate 21. The lifting columns 23 are arranged around the pressing assembly 1, and the elastic element 24 is arranged above the lifting columns 23. Pressure plate gas pipes 25 are arranged on both sides of the pressure plate 21, and the pressure plate gas pipes 25 are connected to the gas pipes. An auxiliary film is arranged above the pressure plate 21, and the workpiece is arranged below the pressure plate 21.

[0038] In some embodiments, a third air hole 28 is also included, and the third air hole 28 is provided on the upper part of the pressure plate 21.

[0039] In some embodiments, the crimping assembly 1 further includes a pressure chamber assembly 11; the pressure chamber assembly 11 is provided with a plurality of pressure chambers 113 and a plurality of top covers 14, that is, a plurality of pressure chambers 113 are provided in the pressure chamber frame 111, the top covers 14 are provided above the pressure chambers 113, the pressure head 121 of the pressure head assembly 1 is provided inside the pressure chambers 113, the pressure head connection structure 122 of the pressure head assembly 12 passes through the lower part of the pressure chambers 113, and the pressure head 121 of the pressure head assembly 12 moves up and down in the pressure chambers 113.

[0040] In some embodiments, the pressure head assembly 12 further includes an adhesive structure 125 and a heating plate 124; the adhesive structure 125 is preferably a magnet 125, the pressure head 121 and the pressure head connecting structure 122 are connected by the adhesive structure 125, the adhesive structure 125 is disposed in the lower groove of the pressure head 121, and the heating plate 124 is disposed at the lower part of the pressure head connecting structure 122. A groove through hole 127 is provided in the middle of the magnet 125.

[0041] In some embodiments, the adhesive structure 125 is circular, square, or annular.

[0042] In some embodiments, the outer diameter of the adhesive structure 125 is smaller than the length of the connection between the pressure head connection structure 122 and the adhesive structure.

[0043] In some embodiments, a heat insulation plate 123 is also included, which is disposed above the heating plate 124 and below the pressure head connection structure 122.

[0044] In some embodiments, the pressure head 121 is provided with a plurality of sealing grooves 126 and a through hole 112. The upper part of the pressure head 121 is provided with a plurality of sealing grooves 126 and the side wall of the pressure chamber 113 is provided with a through hole 112.

[0045] In some embodiments, a high-pressure gas and / or high-pressure liquid medium mechanism is also included, which is used to inflate the through-hole 112.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A silver sintering pressing device, characterized in that, It includes a crimping assembly and an anti-adhesion mechanism; the anti-adhesion mechanism is disposed below the crimping assembly, the crimping head assembly of the crimping assembly passes through the crimping head hole at the lower part of the anti-adhesion mechanism, the lower part of the crimping head assembly moves within the crimping head hole, and a first air blowing hole and a second air blowing hole are disposed around the crimping head hole.

2. The silver sintering pressing device according to claim 1, characterized in that, The anti-adhesion mechanism further includes lifting columns, elastic elements, and pressure plate gas pipes; gas pipes are provided inside the pressure plate, lifting columns are arranged around the pressure plate, lifting columns are arranged around the pressing assembly, elastic elements are arranged above the lifting columns, and pressure plate gas pipes are arranged on both sides of the pressure plate, with the pressure plate gas pipes connected to the gas pipes.

3. The silver sintering pressing device according to claim 2, characterized in that, It also includes a third air blowing hole, which is provided on the upper part of the pressure plate.

4. The silver sintering pressing device according to claim 1, characterized in that, The crimping assembly further includes a pressure chamber assembly; the pressure chamber assembly is provided with multiple pressure chambers and multiple upper covers, the upper covers are disposed above the pressure chambers, the pressure head of the pressure head assembly is disposed inside the pressure chambers, the pressure head connection structure of the pressure head assembly passes through the lower part of the pressure chambers, and the pressure head of the pressure head assembly moves up and down inside the pressure chambers.

5. The silver sintering pressing device according to claim 4, characterized in that, The pressure head assembly also includes an adhesive structure and a heating plate; the pressure head and the pressure head connecting structure are connected through the adhesive structure, which is disposed in the lower groove of the pressure head, and the heating plate is disposed at the lower part of the pressure head connecting structure.

6. The silver sintering pressing device according to claim 5, characterized in that, The adhesive structure is circular, square, or ring-shaped.

7. The silver sintering pressing device according to claim 6, characterized in that, The outer diameter of the adhesive structure is smaller than the length of the connection between the pressure head connecting structure and the adhesive structure.

8. The silver sintering pressing device according to claim 5, characterized in that, It also includes a heat insulation plate, which is disposed above the heating plate and below the pressure head connection structure.

9. The silver sintering pressing device according to claim 4, characterized in that, It also includes sealing grooves and through holes. Multiple sealing grooves are provided on the upper part of the pressure head, and through holes are provided on the side wall of the pressure chamber.

10. The silver sintering pressing device according to claim 9, characterized in that, It also includes a high-pressure gas and / or high-pressure liquid medium mechanism for filling the through hole with gas.