Chip polarization fixture

Abstract

The application provides a chip polarization jig, which comprises a base, a sealing ring, a liquid electrode pole and a metal electrode, the base is provided with a placing groove, the placing groove contains an electrolyte solution, the sealing ring is arranged in the placing groove, a fixing part for placing a workpiece is arranged on the inner wall of the sealing ring, the metal electrode is placed on the sealing ring and is pressed on the workpiece, the liquid electrode pole is inserted into the base, one end of the liquid electrode pole is connected with a wire, the other end of the liquid electrode pole penetrates through the base and extends into the placing groove to contact with the electrolyte solution, the workpiece is placed on the sealing ring, the metal electrode is placed on the workpiece, the lower surface of the workpiece contacts with the electrolyte solution, and the upper surface of the workpiece contacts with the metal electrode, so that the workpiece can be quickly installed in the liquefaction polarization process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of jigs, and more particularly to a chip polarization jig. BACKGROUND

[0002] When current passes through an electrode, the electrode potential deviates from its equilibrium potential, which is called polarization. In the production of fraud, the workpiece needs to be polarized. The polarization methods currently used on the market are mainly conductive adhesive electrode polarization and liquid electrode polarization. Liquid electrode polarization has more uniform domain expansion. In use, the lower surface of the workpiece is in contact with the electrolyte solution, and the upper surface is in contact with the metal electrode. The structure of the liquid polarization jig is relatively complex, and the sealing requirement of the jig is relatively high. To avoid the direct contact between the upper surface of the workpiece and the workpiece, the polarization effect is affected. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the present application is to provide a chip polarization jig to overcome the above-mentioned defects in the prior art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0005] A chip polarization jig, comprising a base, a sealing ring, a liquid electrode pole and a metal electrode, the base is provided with a placing groove, the placing groove contains an electrolyte solution, the sealing ring is arranged in the placing groove, a fixing member for placing the workpiece is arranged on the inner wall of the sealing ring, the metal electrode is placed on the sealing ring, and the metal electrode is pressed on the workpiece, the liquid electrode pole is inserted into the base, one end of the liquid electrode pole is connected with a wire, and the other end of the liquid electrode pole penetrates through the base and extends into the placing groove to contact with the electrolyte solution.

[0006] Preferably, the upper surface of the base is provided with a fixing table, the fixing table is annularly arranged on the base, the sealing ring is threadedly connected to the fixing table, a through hole is arranged through the fixing table, and the metal electrode is inserted into the through hole.

[0007] As preferred, the fixing member comprises a fixing ring and a plurality of connecting members arranged on the fixing ring, each of the connecting members comprises a first connecting rod, a second connecting rod and a third connecting rod, the first connecting rod is arranged on the lower surface of the fixing ring, the second connecting rod is inserted on the sealing ring, the first connecting rod and the second connecting rod are connected through the third connecting rod, the top of the second connecting rod is provided with a baffle, an elastic member is sleeved on the second connecting rod, the elastic member is arranged between the baffle and the sealing ring, the fixing ring comprises a first position and a second position, when the fixing ring is located at the first position, the fixing ring is located above the sealing ring, when the fixing ring is located at the second position, the fixing ring is located below the sealing ring.

[0008] As preferred, a plurality of sets of pressing plates are arranged on the sealing ring, the pressing plate is an L-shaped plate, when the fixing ring is located at the first position, one end of the pressing plate is arranged at the bottom of the sealing ring, the other end of the pressing plate is arranged vertically on the upper surface of the sealing ring, and the pressing plate is hinged on the sealing ring.

[0009] As preferred, a linkage member is arranged between the two adjacent sets of pressing plates, the linkage member comprises a first hinged rod and a second hinged rod, the first hinged rod and the second hinged rod are respectively hinged on the two sets of pressing plates, and the first hinged rod and the second hinged rod are hinged, when the fixing ring is located at the first position, the first hinged rod and the second hinged rod are on the same straight line.

[0010] As preferred, a stepped surface is arranged on the upper end of the density ring, the metal electrode comprises a contact end and a placement end, the inner diameter of the contact end is smaller than that of the placement end, the contact end is arranged on the side of the base, and the placement end is arranged on the stepped surface.

[0011] As preferred, a placement ring is arranged on the stepped surface, a plurality of sets of springs are arranged on the surface of the placement ring and the stepped surface, the springs are pressed to make the placement ring move in the vertical direction.

[0012] As preferred, the metal electrode is made of conductive material, a wire connecting hole is arranged at the center of the metal electrode, a wire is arranged in the wire connecting hole, and a plurality of sets of metal grid fins are arranged on the lower surface of the metal electrode.

[0013] As preferred, the plurality of sets of metal grid fins are arranged in a circular array with the center of the metal electrode as the center, and the metal grid fins are inclined in one direction at a uniform inclination angle.

[0014] The beneficial effects of the present application are that the processing piece is placed on the sealing ring, and the metal electrode is placed on the to-be-processed piece, the lower surface of the to-be-processed piece is in contact with the electrolyte solution, and the upper surface of the to-be-processed piece is in contact with the metal electrode, realizing the rapid installation of the to-be-processed piece in the liquefaction polarization process, and at the same time, the sealing ring is used to avoid the leakage of the electrolyte solution, affecting the liquefaction polarization reaction; the fixed ring moves up and down through the connecting piece, thereby driving the to-be-processed piece to move, realizing the liquefaction polarization of the to-be-processed piece and the ejection of the to-be-processed piece, facilitating the implementation of the liquefaction polarization reaction; the sealing ring is provided with a pressing plate, which realizes the pressing of the to-be-processed piece during the liquefaction polarization process, and at the same time, the ejection of the fixed ring is realized by adjusting the pressing plate, facilitating the removal of the to-be-processed piece from the polarization fixture. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a sectional view of the present application;

[0016] Figure 2 is an internal structure diagram of the present application;

[0017] Figure 3 is a whole structure diagram of the present application;

[0018] Figure 4 is an exploded view of the present application;

[0019] Figure 5 is a metal electrode structure diagram of the present application;

[0020] Figure 6 is a fixed ring second position structure diagram of the present application;

[0021] Figure 7 is a fixed ring first position structure diagram of the present application.

[0022] The drawings show that: 1, base; 11, placing groove; 12, fixed table; 121, through hole; 2, sealing ring; 21, fixed ring; 22, connecting piece; 221, first connecting rod; 222, second connecting rod; 223, third connecting rod; 225, baffle; 23, pressing plate; 25, step surface; 251, placing ring; 3, liquid electrode pole; 4, metal electrode; 41, contact end; 42, placing end; 43, metal grid; 5, to-be-processed piece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] It should be understood that when a component is referred to as being "on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component, or intervening components can be present. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component, or intervening components can be present. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] The embodiments of the present application will be further described in conjunction with the drawings:

[0027] As shown in Figures 1-7 The present application provides a chip polarization jig, which comprises a base 1, a sealing ring 2, a liquid electrode pole 3 and a metal electrode 4. The base 1 is provided with a placing groove 11, and the placing groove 11 contains an electrolyte solution. The sealing ring 2 is arranged in the placing groove 11 and is threadedly connected with the base 1 to achieve a sealed connection between the sealing ring 2 and the base 1, thereby avoiding leakage of the electrolyte solution in the placing groove 11. A fixing member for placing a workpiece 5 to be processed is arranged on the inner wall of the sealing ring 2. The metal electrode 4 is placed on the sealing ring 2 and is pressed on the workpiece 5 to be processed. The liquid electrode pole 3 is inserted into the base 1 and has a wire connected to one end thereof. The other end of the liquid electrode pole 3 penetrates through the base 1 and extends into the placing groove 11 to contact the electrolyte solution. The liquid electrode pole 3 is inserted into the base 1 and penetrates through the base 1 to extend into the placing groove 11 to contact the electrolyte solution, thereby facilitating installation of the liquid electrode pole 3 on the base 1 while ensuring liquid polarization. The placing groove 11 contains the electrolyte solution. During liquid polarization, the workpiece 5 to be processed is placed on the fixing member, and the fixing member supports the workpiece 5 to be processed. The lower surface of the workpiece 5 to be processed contacts the electrolyte solution, and the metal electrode 4 is arranged above the workpiece 5 to be processed and contacts the upper surface of the workpiece 5 to be processed, thereby achieving liquid electrode polarization. The use of liquid electrode polarization ensures more uniform domain expansion.

[0028] The upper surface of the base 1 is provided with a fixing table 12, the fixing table 12 is annularly arranged on the base 1, and the sealing ring 2 is threadedly connected to the fixing table 12; the fixing table 12 is used to realize the installation of the sealing ring 2 on the base 1; meanwhile, a through hole 121 is arranged through the fixing table 12, the metal electrode 4 is inserted into the through hole 121, the through hole 121 is used to realize the installation of the metal electrode 4, and the through hole 121 is arranged above the electrolyte solution, so that the electrolyte solution is prevented from leaking through the through hole 121 after the through hole 121 is submerged in the electrolyte solution, and the sealing property of the base 1 is affected.

[0029] The fixing member comprises a fixing ring 21 and a plurality of connecting members 22 arranged on the fixing ring 21, the connecting member 22 comprises a first connecting rod 221, a second connecting rod 222 and a third connecting rod 223, the first connecting rod 221 is arranged on the lower surface of the fixing ring 21, the second connecting rod 222 is inserted into the sealing ring 2, the first connecting rod 221 and the second connecting rod 222 are connected through the third connecting rod 223, the top of the second connecting rod 222 is provided with a baffle 225, an elastic member is sleeved on the second connecting rod 222, and the elastic member is arranged between the baffle 225 and the sealing ring 2; the fixing ring 21 comprises a first position and a second position, when the fixing ring 21 is located at the first position, the fixing ring 21 is located above the sealing ring 2, and when the fixing ring 21 is located at the second position, the fixing ring 21 is located below the sealing ring 2; a plurality of connecting members 22 are arranged around the fixing ring 21, the connecting member 22 is used to realize the installation of the fixing ring 21 on the sealing ring 2; meanwhile, under the action of gravity, the fixing ring 21 moves downward after the workpiece 5 is placed on the fixing ring 21, the second connecting rod 222 and the third connecting rod 223 are driven to move downward, the elastic member is compressed, the baffle 225 on the second connecting rod 222 is used to realize the limiting of the second connecting rod 222, the fixing ring 21 is in contact with the electrolyte solution after moving downward, and the baffle 225 is used to prevent the upper surface of the workpiece 5 from being in contact with the electrolyte solution; when the fixing ring 21 is located at the first position, the fixing ring 21 is located above the sealing ring 2, so that the workpiece 5 is conveniently placed on the fixing ring 21, and when the fixing ring 21 is located at the second position, the fixing ring 21 is in contact with the electrolyte solution, and the electrolyte solution is prevented from being submerged in the electrolyte solution.

[0030] The sealing ring 2 is further provided with a plurality of groups of pressing plates 23. The pressing plate 23 is an L-shaped plate, and when the fixing ring 21 is located at the first position, one end of the pressing plate 23 is arranged at the bottom of the sealing ring 2, the other end of the pressing plate 23 is arranged vertically on the upper surface of the sealing ring 2, and the pressing plate 23 is hinged to the sealing ring 2. The pressing plate 23 is arranged on the lower surface of the fixing ring 21, and during the downward movement of the fixing ring 21, the pressing plate 23 is driven to rotate to the side where the fixing ring 21 is located. When the fixing ring 21 is located at the second position, the pressing plate 23 arranged vertically on the sealing ring 2 is pressed on the workpiece 5 to be processed, thereby achieving the pressing of the workpiece 5 to be processed. After the liquid polarization is completed, the pressing plate 23 is rotated, and during the resetting process of the pressing plate 23, the fixing ring 21 is driven to move upward, thereby achieving the ejection of the workpiece 5 to be processed, and facilitating the taking out of the workpiece 5 to be processed.

[0031] A linkage member is arranged between the two adjacent groups of pressing plates 23. The linkage member includes a first hinged rod and a second hinged rod, and the first hinged rod and the second hinged rod are respectively hinged to the two groups of pressing plates 23. When the fixing ring 21 is located at the first position, the first hinged rod and the second hinged rod are arranged on the same straight line. The linkage member is used to connect all the pressing plates 23. During the resetting process of the pressing plate 23, the linkage member is used to link the multiple groups of pressing plates 23, thereby achieving the complete ejection of the fixing ring 21.

[0032] A stepped surface 25 is arranged at the upper end of the density ring. The metal electrode 4 includes a contact end 41 and a placement end 42. The inner diameter of the contact end 41 is smaller than that of the placement end 42. The contact end 41 is arranged on the side of the base 1, and the placement end 42 is arranged on the stepped surface 25. The stepped surface 25 is used to place the metal electrode 4, thereby ensuring that the metal electrode 4 contacts the workpiece 5 to be processed, and avoiding that the metal electrode 4 is pressed on the workpiece 5 to be processed under the action of gravity, thereby causing the workpiece 5 to be processed to move downward and the electrolyte solution to overflow the upper surface of the workpiece 5 to be processed.

[0033] The stepped surface 25 is provided with a placement ring 251. A plurality of springs are arranged on the surface of the stepped surface 25 and the placement ring 251. The springs are pressed to drive the placement ring 251 to move in the vertical direction. The springs are used to support the placement ring 251, and can be used to finely adjust the installation height of the metal electrode 4 and buffer the installation of the metal electrode 4 on the sealing ring 2.

[0034] The metal electrode 4 is made of conductive material, and a wire connecting hole is arranged in the center of the metal electrode 4, and the wire is installed in the wire connecting hole. A plurality of groups of metal grid sheets 43 are arranged on the lower surface of the metal electrode 4. The metal grid sheets 43 are used to realize the contact of the metal electrode 4 with the workpiece 5 to be processed. Meanwhile, the conductive material includes good conductors such as brass, silver, gold, etc. Meanwhile, the wire connecting hole is used to realize the direct connection of the metal electrode 4 with the power supply. The plurality of groups of metal grid sheets 43 are arranged in a circular array with the center of the metal electrode 4 as the center, and the metal grid sheets 43 are inclined to one direction at a uniform inclination angle. The metal grid sheets 43 are installed on the metal electrode 4 by welding or bolting or other connection methods to realize the conduction of the metal grid sheets 43.

[0035] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A chip polarizing jig comprising a base (1), a sealing ring (2), a liquid electrode pole (3) and a metal electrode (4), characterized in that, The base (1) is provided with a placement groove (11), and the placement groove (11) contains an electrolyte solution. The sealing ring (2) is provided in the placement groove (11), and a fixing part for placing the workpiece (5) to be processed is provided on the inner wall of the sealing ring (2), and the fixing part includes a fixing ring (21) and a plurality of connecting parts (22) provided on the fixing ring (21). The connecting parts (22) each include a first connecting rod (221), a second connecting rod (222) and a third connecting rod (223). The first connecting rod (221) is provided on the lower surface of the fixing ring (21), and the second connecting rod (222) is inserted into the sealing ring (2). The first connecting rod (221) and the second connecting rod (222) are connected via the third connecting rod (223). The top of the second connecting rod (222) is provided with a The baffle (225) is provided with an elastic member on the second connecting rod (222), and the elastic member is arranged between the baffle (225) and the sealing ring (2). The fixing ring (21) includes a first position and a second position. When the fixing ring (21) is located at the first position, the fixing ring (21) is located above the sealing ring (2), and when the fixing ring (21) is located at the second position, the fixing ring (21) is located below the sealing ring (2). The metal electrode (4) is placed on the sealing ring (2), and the metal electrode (4) is pressed onto the workpiece (5) to be processed. The liquid electrode pole (3) is inserted into the base (1), one end of the liquid electrode pole (3) is connected to a wire, and the other end of the liquid electrode pole (3) passes through the base (1) and extends into the placement groove (11) to contact with the electrolyte solution.

2. The chip polarization fixture of claim 1, wherein, A fixing platform (12) is provided on the upper surface of the base (1), the fixing platform (12) is annularly arranged on the base (1), the sealing ring (2) is threadedly connected to the fixing platform (12), a through hole (121) is provided through the fixing platform (12), and the metal electrode (4) is inserted into the through hole (121).

3. The chip polarization fixture of claim 1, wherein, The sealing ring (2) is further provided with a plurality of pressure plates (23), wherein the pressure plates (23) are L-shaped plates. When the fixing ring (21) is located at the first position, one end of the pressure plates (23) is provided at the bottom of the sealing ring (2), and the other end of the pressure plates (23) is provided vertically on the upper surface of the sealing ring (2), and the pressure plates (23) are hinged to the sealing ring (2).

4. The chip polarization fixture of claim 3, wherein, A linkage member is provided between two adjacent groups of pressure plates (23), and the linkage member includes a first hinge rod and a second hinge rod. The first hinge rod and the second hinge rod are respectively hinged to the two groups of pressure plates (23), and the first hinge rod and the second hinge rod are hinged. When the fixing ring (21) is in the first position, the first hinge rod and the second hinge rod are in the same straight line.

5. The chip polarization fixture of claim 1, wherein, The sealing ring (2) is provided with a stepped surface (25) at the upper end, the metal electrode (4) comprises a contact end (41) and a placing end (42), the inner diameter of the contact end (41) is smaller than that of the placing end (42), the contact end (41) is arranged on the side of the base (1), and the placing end (42) is abutted on the stepped surface (25).

6. The chip polarization fixture of claim 5, wherein, The stepped surface (25) is provided with a placing ring (251), a plurality of groups of springs are arranged on the surface of the stepped surface (25) and the placing ring (251), the springs are pressed to make the placing ring (251) move in the vertical direction.

7. The chip polarization fixture of claim 1, wherein, The metal electrode (4) is made of conductive material, the metal electrode (4) is provided with a wire connecting hole in the center, the wire is arranged in the wire connecting hole, and the lower surface of the metal electrode (4) is provided with a plurality of groups of metal grid sheets.

8. The chip polarization fixture of claim 7, wherein, The plurality of groups of metal grid sheets are arranged in a circular array with the center of the metal electrode (4) as the center, and the metal grid sheets (43) are inclined to one direction at a uniform inclination angle.

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