TWI554654B - Printed circuit board fixture for electroplating process - Google Patents

Description

Electroplating process board fixture

The present invention relates to a circuit board fixture for use in an electroplating process.

With the development of Printed Circuit Board (PCB) process technology, a variety of processes have been developed. In the overall process of the circuit board, the circuit board fixture is used to clamp the circuit board to facilitate the fixing and movement of the circuit board.

In addition to the function of holding the board, the board fixture must provide additional functions depending on the board process. Taking the step of board plating as an example, it is necessary to provide a function of preventing electrolyte penetration or power supply. On the other hand, as the complexity of the board increases with the advancement of technology, double-sided or multi-layer boards are more popular. Therefore, how to provide an effective and flexible tool is an important issue to improve process efficiency.

In view of this, the present invention provides a circuit board fixture that can be applied. One or two boards are clamped to facilitate single-sided or double-sided plating of a single circuit board, or simultaneous single-sided plating of two boards.

Embodiments of the present invention disclose a circuit board fixture suitable for holding a circuit board in a process; the circuit board fixture includes a fixture bottom plate and a fixture cover frame; the fixture bottom plate is a flat plate Having a first surface and a second surface, a plurality of bonding holes are disposed around the first surface thereof; the fixture cover frame is a frame type object having a narrow first surface and a wider surface a second surface, such that the vertical section is a trapezoid; a plurality of binding columns are disposed at corresponding positions around the second surface of the fixture cover frame; and the plurality of binding columns of the fixture cover frame can be respectively inserted into the treatment a plurality of bonding holes having a bottom plate for clamping and fixing a circuit board; wherein the fixture bottom plate further comprises a combined column lock plate disposed inside the bottom plate of the fixture, and can be directionally moved across the plurality of bonding holes The binding column lock plate is provided with a plurality of locking holes respectively corresponding to the plurality of bonding holes of the fixture bottom plate; the plurality of locking holes can respectively pass through the plurality of binding columns of the jig cover frame, and then move the combination After the column locks the plate, the keyhole combines the Locking, preventing the binding post from being separated from the bonding hole; the fixture cover frame further comprises a conductive frame and a type of barrier ring; the conductive frame is disposed inside the jig cover frame and combined with the plurality of The column is electrically connected, and is provided with a plurality of conductive pins protruding from the second surface and located inside the plurality of bonding columns to be in contact with the clamped circuit board for use as a plating Conductive; the square barrier ring is disposed on the second surface and located inside the plurality of conductive pins to block the chemical liquid used in the process Penetration of the agent.

Another embodiment of the present invention discloses a circuit board fixture suitable for use in Holding a circuit board in the process; the circuit board fixture comprises a bottom frame and a fixture cover frame; the bottom frame of the fixture is a frame type object having a wider first surface and a wider surface a narrow second surface, such that the vertical section is a trapezoidal shape, and a plurality of coupling holes are disposed around the first surface thereof; the fixture cover frame is also a frame type object having a narrow first surface and a wider second surface, so that the vertical section is a trapezoid; a plurality of coupling columns are disposed at corresponding positions around the second surface of the fixture cover frame; the plurality of binding columns of the fixture cover frame respectively correspond to Inserting a plurality of bonding holes of the bottom frame of the fixture to clamp and fix a circuit board; wherein the fixture bottom frame further comprises a binding column lock frame disposed inside the bottom frame of the fixture, and can be moved transversely Passing the plurality of bonding holes, the binding column lock frame is provided with a plurality of locking holes respectively corresponding to the plurality of bonding holes of the bottom frame of the fixture; the plurality of locking holes can accommodate the plurality of bonding columns of the fixture cover frame Passing through the binding column lock frame respectively, the locking hole is the binding column The bottom frame of the fixture further comprises a plurality of conductive pins and a type of barrier ring, and the plurality of conductive needles are disposed on the first surface and located in the plurality of combinations. The inner side of the hole is in contact with the clamped circuit board for conducting electricity during electroplating; the square type resisting ring is disposed on the first surface and located inside the plurality of conductive pins to block any chemical liquid agent The cover frame further comprises a conductive frame and a type of barrier ring; the conductive frame is disposed inside the jig cover frame and electrically connected to the plurality of binding columns, and further comprises a plurality of conductive wires Needle, the plural guide An electric needle system protrudes from the second surface and is located inside the plurality of bonding columns, and is in contact with the clamped circuit board for conducting electricity during electroplating; the square barrier ring is disposed on the second surface and Located inside the plurality of conductive pins to block the penetration of the chemical liquid used in the process.

Yet another embodiment of the present invention discloses a circuit board fixture suitable for use in Holding two circuit boards in the process; the circuit board fixture comprises a fixture bottom plate and two jig cover frames; the jig bottom plate is a flat plate having a first surface and a second surface, a plurality of bonding holes are respectively disposed around the first surface and the second surface; the two jig cover frames are respectively coupled to the first surface and the second surface of the jig bottom plate, respectively clamping a circuit board; The jig cover frame is a frame type object having a narrow first surface and a wider second surface, so that the vertical cut surface is a trapezoid; the corresponding area around the second surface of the jig cover frame is a plurality of bonding columns are disposed; the plurality of bonding columns of the fixture cover frame respectively corresponding to the plurality of bonding holes inserted into the bottom plate of the fixture to clamp and fix a circuit board; wherein the fixture bottom plate further comprises two pieces combined The column lock plates are respectively disposed inside the bottom plate of the jig, and are directionalally movable to cross the plurality of joint holes disposed on the first surface and the second surface respectively, wherein the joint column lock plate is provided with a plurality of lock holes, respectively a plurality of bonding holes corresponding to the bottom plate of the fixture The plurality of locking holes can respectively pass through the plurality of binding columns of the jig cover frame. After the binding column lock plate is moved, the locking hole locks the binding post to prevent the binding post from being pulled out from the bonding hole. Separating; the fixture cover frame further comprises a conductive frame and a type of barrier ring, the conductive frame is disposed inside the jig cover frame and electrically connected to the plurality of binding columns, and a plurality of conductive wires are disposed thereon a plurality of conductive needles protruding from the second surface and located inside the plurality of bonding columns, in contact with the clamped circuit board for conducting electricity during electroplating; the square barrier ring is disposed on The second surface is located inside the plurality of conductive pins to block the penetration of the chemical liquid used in the process.

110‧‧‧ fixture bottom plate

111‧‧‧ first surface

112‧‧‧ second surface

113‧‧‧Combination hole

114‧‧‧ Combined column lock plate

115‧‧‧Keyhole

120‧‧ ‧ fixture cover

121‧‧‧ first surface

122‧‧‧ second surface

123‧‧‧ binding column

124‧‧‧Conducting needle

125‧‧‧Break ring

126‧‧‧ Conductive frame

130‧‧‧ boards

131‧‧‧Light-resistance dry film

310‧‧ ‧ fixture bottom frame

311‧‧‧ first surface

312‧‧‧ second surface

313‧‧‧Combination hole

314‧‧‧ Combined column lock frame

315‧‧‧Keyhole

316‧‧‧conductive needle

317‧‧‧Break ring

320‧‧ ‧ fixture cover

321‧‧‧ first surface

322‧‧‧ second surface

323‧‧‧ binding column

324‧‧‧conductive needle

325‧‧‧Break ring

326‧‧‧ Conductive frame

330‧‧‧Circuit board

331‧‧‧Light-resistance dry film

510‧‧‧ fixture bottom plate

511‧‧‧ first surface

512‧‧‧ second surface

513‧‧‧Contact hole

514‧‧‧ Combined column lock plate

515‧‧‧Keyhole

520‧‧ ‧ fixture cover

521‧‧‧ first surface

522‧‧‧ second surface

523‧‧‧ binding column

524‧‧‧conductive needle

525‧‧‧Break ring

526‧‧‧ Conductive frame

530‧‧‧Circuit board

531‧‧‧Light-resistance dry film

The first figure shows a schematic view of a first embodiment of a circuit board fixture of the present invention.

The second figure shows a cross-sectional view of a first embodiment of the circuit board fixture of the present invention.

The third figure shows a schematic view of a second embodiment of the circuit board fixture of the present invention.

The fourth figure shows a cross-sectional view of a second embodiment of the circuit board fixture of the present invention.

Figure 5 is a cross-sectional view showing a third embodiment of the circuit board fixture of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, which are readily understood by those skilled in the art. The authoring of the invention may take a variety of variations, and should not be limited to only those embodiments. The description of the well-known part is omitted in the present invention, and the same reference numerals denote the same elements in the present invention.

The first figure and the second figure respectively show the circuit board fixture of the present invention. A schematic view and a cross-sectional view of a first embodiment. The circuit board fixture is used to clamp a circuit board in the process, and the single-sided electroplating process of the circuit board can be performed. As shown in the first figure and the second figure, the circuit board fixture includes a fixture bottom plate 110 and a jig cover frame 120; the jig bottom plate 110 is a flat plate having a first surface 111 and a The second surface 112 is provided at a periphery of the first surface 111 with a plurality of coupling holes 113; the fixture cover 120 is a frame-shaped object having a narrow first surface 121 and a wider second The surface 122 is such that the vertical section is a trapezoid; the corresponding area around the second surface of the fixture cover is provided with a plurality of binding columns 123; the plurality of binding columns 123 of the fixture cover 120 can be respectively inserted into the a plurality of bonding holes 113 of the bottom plate 110 of the fixture to clamp and fix a circuit board 130; wherein the fixture bottom plate 110 further includes a coupling column lock plate 114 disposed inside the fixture bottom plate 110 for directional movement The plurality of coupling holes 113 are cut out, and the plurality of locking holes 115 are respectively disposed corresponding to the plurality of coupling holes 113 of the fixture bottom plate 110; the plurality of locking holes 115 can accommodate the fixture cover The plurality of binding columns 123 of the frame 120 respectively pass, and after moving the binding column lock plate 114, The locking hole 115 locks the binding post 123 to prevent the binding post 123 from being separated from the coupling hole 113. The fixture cover 120 further includes a conductive frame 126 and a type of barrier ring 125. The conductive frame The 126 is disposed inside the fixture cover 120 and electrically connected to the plurality of binding posts 123. The plurality of conductive pins 124 are disposed on the second surface 122 and located at the second surface 122. The inner side of the plurality of bonding pillars 123 is in contact with the held circuit board 130 to serve as a plating guide The square barrier 125 is disposed on the second surface 122 and located inside the plurality of conductive pins 124 to block the penetration of the chemical liquid used in the process. The circuit board 130 is covered with a dry film 131. When the fixture bottom plate 110 and the jig cover frame 120 are combined to clamp the circuit board 130, the square barrier ring 125 is pressed onto the photoresist dry film 131, so that the chemistry used in the process can be used. The liquid is blocked from contact with other exposed areas of the board. On the other hand, the plurality of conductive pins 124 directly contact the circuit board 130 to provide the current required in the process to the circuit board 130.

It should be noted that in a preferred embodiment, the binding post 123 It can be designed as a columnar body with a large top end and a slightly narrow neck. Correspondingly, the locking hole 115 is designed as a hole having a wider end and a narrower end; thus, the larger tip of the binding post 123 can pass through the wider end of the locking hole 115, and then the combination is moved. The column locking plate 114 is configured such that the narrow end of the locking hole 115 catches the neck of the coupling post 123 to prevent the coupling post 123 from being separated from the coupling hole 113 to be separated, thereby achieving the effect of locking.

Furthermore, the fixture bottom plate 110 and the jig cover frame 120 may be resistant to corrosion It is made of a material that does not interact with the chemical agent used in the manufacturing process of the board, such as a material such as teflon. The binding column lock plate 114 can be made of metal, which provides a relatively strong hardness on the one hand, and facilitates movement inside the fixture bottom plate 110 on the other hand, so that the binding post 123 can enter and exit the coupling hole 113 and lock the binding post 123. . Similarly, the conductive frame 126 is also made of conductive metal. Cheng. The square barrier ring 125 can be made of a rubber material and has the elasticity of extrusion to prevent the penetration of the chemical liquid used in the process.

The third and fourth figures are respectively the circuit board fixture of the present invention. A schematic view and a cross-sectional view of a second embodiment. The circuit board fixture is applied to hold a circuit board in the process, and the double-sided plating process of the circuit board can be performed. As shown in the third and fourth figures, the circuit board fixture includes a fixture bottom frame 310 and a fixture cover frame 320; the fixture bottom frame 310 is a frame type object having a wider width. a surface 311 and a narrower second surface 312, such that the vertical section is a trapezoid, and a plurality of coupling holes 313 are disposed around the first surface 311; the fixture cover 320 is also a frame type object Having a narrow first surface 321 and a wider second surface 322, so that the vertical section is a trapezoid; the second surface 322 of the jig cover 320 is provided with a plurality of binding columns corresponding to each other around the second surface 322 The plurality of binding posts 323 of the jig cover frame 320 are respectively corresponding to the plurality of bonding holes 313 of the jig bottom frame 310 for clamping and fixing a circuit board 330; wherein the jig bottom frame 310 further comprises A combination of the column lock frame 314 is disposed inside the fixture bottom frame 310, and can be directionally moved across the plurality of bonding holes 313. The binding column lock frame 314 is provided with a plurality of locking holes 315, which respectively correspond to the treatment a plurality of bonding holes 313 having a bottom frame 310; the plurality of locking holes 315 can accommodate the plurality of jig cover frames 320 The binding post 323 passes through the locking post lock frame 314, and the locking hole 315 locks the binding post 323 to prevent the binding post 323 from being separated from the coupling hole 313 to be separated; the jig bottom frame 310 is further A plurality of conductive pins 316 and one type of barrier ring 317 are disposed, and the plurality of conductive pins 316 are disposed on the first surface 311 and combined with the same The column lock frame 314 is electrically connected to each other and is located inside the plurality of bonding holes 313 to be in contact with the clamped circuit board 330 for conducting electricity during electroplating; the square barrier ring 317 is disposed at the first The surface 311 is located inside the plurality of conductive pins 316 to block the penetration of any chemical liquid. The fixture cover 320 further includes a conductive frame 326 and a type of barrier ring 325. The conductive frame 326 is disposed on the surface. A plurality of conductive pins 324 are disposed on the inner surface of the cover frame, and the plurality of conductive pins 324 are disposed on the second surface 322 and located on the inner side of the plurality of binding posts 323, and are clamped The circuit board 330 is in contact for conducting electricity during electroplating, and the plurality of conductive 316 directly contacts the circuit board 330 to provide current required in the process to the circuit board 330; the square barrier ring 325 is disposed on The second surface 322 is located inside the plurality of conductive pins 324 to block the penetration of the chemical liquid used in the process to prevent it from contacting other exposed regions of the circuit board 330. On the other hand, the plurality of conductive 324 directly contacts the circuit board 330 to provide the current required in the process to the circuit board 330. The two surfaces of the circuit board 330 are each covered with a dry film 331.

It is to be noted that the binding column 323 is the same as the first embodiment. It can be designed as a columnar body with a large top end and a slightly narrow neck. Correspondingly, the locking hole 315 is designed as a hole having a wider end and a narrower end; thus, the larger tip of the binding post 323 can pass through the wider end of the locking hole 315, and then the combination is moved. The column locking frame 314 is such that the narrower end of the locking hole 315 catches the neck of the binding post 323 to prevent the binding post 323 from being separated from the coupling hole 313 to be separated, thereby achieving the effect of locking.

Furthermore, the fixture bottom frame 310 and the fixture cover frame 320 may be resistant to corrosion. It is made of a material that does not interact with the chemical agent used in the manufacturing process of the board, such as a material such as teflon. The binding column lock plate 314 can be made of a metal process, which provides a relatively strong hardness on the one hand, and facilitates movement inside the fixture bottom frame 310 on the other hand, so that the binding post 323 can enter and exit the coupling hole 313 and lock the binding column. 323. Similarly, the conductive frame 326 is also made of a conductive metal process. The square-shaped barrier rings 317 and 325 can be made of a rubber-like material and have the elasticity of extrusion to prevent the penetration of the chemical liquid used in the process.

The fifth figure shows a third embodiment of the circuit board fixture of the present invention. The cross-sectional view is applied to hold two circuit boards in the process, and the single-sided electroplating process of the two circuit boards can be simultaneously performed. As shown in FIG. 5, the circuit board fixture includes a jig bottom plate 510 and two jig cover frames 520. The jig bottom plate 510 is a flat plate having a first surface 511 and a second surface. 512, a plurality of bonding holes 513 are respectively disposed around the first surface 511 and the second surface 512; the two jig cover frames 520 are respectively coupled to the first surface 511 and the second surface of the jig bottom plate 510 512, respectively, holding a circuit board 530; the fixture cover frame 520 is a frame type object having a narrow first surface 521 and a wider second surface 522, so that the vertical section is a trapezoid; A plurality of binding posts 523 are disposed around the second surface 522 of the jig cover frame 520. The plurality of bonding posts 523 of each jig cover frame 520 can respectively be inserted into the plurality of combinations of the jig bottom plate 510. a hole 513 for respectively holding and fixing a circuit board 530; wherein the fixture bottom plate The 510 further includes two binding post lock plates 514 respectively disposed inside the jig bottom plate 510, and can be directionally moved to cross the plurality of coupling holes 513 disposed on the first surface 511 and the second surface 512, respectively. The column lock plate 514 is provided with a plurality of locking holes 515 respectively corresponding to the plurality of coupling holes 513 of the jig bottom plate 510; the plurality of locking holes 513 can respectively pass through the plurality of binding posts 523 of the jig cover frame 520. After the binding column lock plate 514 is moved, the locking hole 515 locks the binding post 523 to prevent the binding post 523 from being separated from the coupling hole 513. The jig cover frame 520 further includes a conductive frame. 526 and one type of barrier ring 525, the conductive frame 526 is disposed inside the jig cover frame 520 and electrically connected to the plurality of binding posts 523, and a plurality of conductive pins 524 are disposed thereon, and the plurality of conductive pins 524 are And protruding on the second surface 522 and located inside the plurality of bonding pillars 523, in contact with the clamped circuit board 530 for conducting electricity during electroplating; the square barrier ring 525 is disposed on the second surface 522 and located inside the plurality of conductive pins 524 for blocking As used in the chemical liquid permeability, to prevent its contact with other exposed areas of the circuit board 530. On the other hand, the plurality of conductive 524 directly contacts the circuit board 530 to provide the current required in the process to the circuit board 530. The surfaces to be plated of the two circuit boards 530 are each covered with a dry film 531.

It is to be noted that, as in the first and second embodiments, the binding post 523 can be designed as a columnar body having a large tip and a slightly narrow neck. Correspondingly, the locking hole 515 is designed as a hole having a wider end and a narrower end; thus, the larger tip of the binding post 523 can pass through the wider end of the locking hole 515, and then the combination is moved. The column lock frame 514 is such that the narrow end of the lock hole 515 The neck of the binding post 523 is caught to prevent the binding post 523 from being pulled out from the coupling hole 513 to be separated, thereby achieving the effect of locking.

Furthermore, the jig bottom plate 510 and the jig cover frame 520 can be resistant to corrosion It is made of a material that does not interact with the chemical agent used in the manufacturing process of the board, such as a material such as teflon. The binding column lock plate 514 can be made of a metal process, which provides a relatively strong hardness on the one hand, and facilitates movement inside the jig bottom plate 510 on the other hand, so that the binding post 523 enters and exits the coupling hole 513 and locks the binding post 523. . Similarly, the conductive frame 526 is also made of a conductive metal process. The square barrier ring 525 can be made of a rubber material and has the elasticity of extrusion to prevent the penetration of the chemical liquid used in the process.

In summary, an embodiment of the present invention discloses a circuit board The device can hold one or two circuit boards separately to facilitate single-sided or double-sided plating of a single circuit board, or simultaneous single-sided plating of two circuit boards.

Therefore, the circuit board fixture of the present invention can be disclosed The craftsmanship achieves the intended purpose and effect, and meets the requirements of novelty, advancement and industrial utilization of invention patents.

However, the illustrations and descriptions disclosed above are only the comparison of the present invention. The preferred embodiments are not intended to limit the implementation of the present invention, and those who are familiar with the art should be covered by the spirit of the present invention. In the following patent application scope of this case.

110‧‧‧ fixture bottom plate

113‧‧‧Combination hole

120‧‧ ‧ fixture cover

123‧‧‧ binding column

124‧‧‧Conducting needle

125‧‧‧Break ring

Claims (18)

A circuit board fixture for clamping a circuit board in a process, comprising: a fixture bottom plate, a piece of flat plate having a first surface and a second surface, disposed at a periphery of the first surface thereof a plurality of bonding holes; and a jig cover frame, which is a frame type object having a narrow first surface and a wider second surface, and the corresponding portions of the second surface of the jig cover frame are disposed There are a plurality of binding columns, and the plurality of bonding columns of the fixture cover frame respectively corresponding to the plurality of bonding holes inserted into the bottom plate of the fixture to clamp and fix a circuit board; wherein the fixture bottom plate further comprises a combined column lock The plate is disposed inside the bottom plate of the fixture and can be directionally moved across the plurality of coupling holes, and the coupling column lock plate is provided with a plurality of locking holes respectively corresponding to the plurality of bonding holes of the bottom plate of the fixture; The locking holes can respectively pass through the plurality of binding columns of the jig cover frame, and after the binding column lock plate is moved, the locking hole locks the binding column to prevent the binding column from being separated from the bonding hole. And the fixture cover further includes a conductive frame a plurality of conductive pins are disposed on the second cover and located at the second cover The inner side of the plurality of bonding columns is in contact with the held circuit board for conducting electricity during electroplating; the blocking ring is disposed on the second surface and located in the plurality of conductive pins Side to block the penetration of the chemical liquid used in the process. The circuit board fixture of claim 1, wherein the binding post is a columnar body having a top end and a slightly narrow neck. The circuit board fixture of claim 2, wherein the locking hole is a hole having a wider end and a narrower end; the larger top end of the binding post can pass through the wider end of the locking hole, and then The binding post lock plate is further moved, so that the narrow end of the locking hole is caught by the neck of the binding post to prevent the binding post from being separated from the coupling hole and separated, thereby achieving the effect of locking. The circuit board fixture of claim 1, wherein the fixture bottom plate and the fixture cover frame are made of a material that is resistant to corrosion and does not interact with a chemical agent used in the process of manufacturing the circuit board. . The circuit board fixture of claim 1, wherein the binding column lock plate is made of metal. The circuit board jig according to claim 1, wherein the barrier ring is made of a rubber material and has an elastic property of extrusion to prevent penetration of a chemical liquid used in the process. A circuit board fixture for clamping a circuit board in a process, comprising: a fixture bottom frame, being a frame type object having a wider first surface and a narrower second surface, in the a plurality of bonding holes are disposed around a surface; and a jig cover frame is a frame type object having a narrow first surface and a wider second surface, the second cover of the jig cover Surface around the surface Correspondingly, a plurality of binding columns are disposed; the plurality of bonding columns of the fixture cover frame respectively corresponding to the plurality of bonding holes inserted into the bottom frame of the fixture to clamp and fix a circuit board; wherein the fixture bottom frame The utility model further comprises a combined column lock frame disposed inside the bottom frame of the fixture, and can be directionally moved across the plurality of joint holes, wherein the joint column lock frame is provided with a plurality of keyholes respectively corresponding to the bottom frame of the fixture a plurality of bonding holes; the plurality of locking holes can respectively pass through the plurality of bonding columns of the jig cover frame, and after moving the binding column lock frame, the locking holes lock the binding column, thereby avoiding the bonding column The binding hole is separated and separated; the bottom frame of the fixture further comprises a plurality of conductive pins and a barrier ring, wherein the plurality of conductive pins are electrically connected to the binding column lock frame, and the plurality of conductive needles protrude from the first The surface is located on the inner side of the plurality of bonding holes, and is in contact with the clamped circuit board for conducting electricity during electroplating; the barrier ring is disposed on the first surface and located inside the plurality of conductive pins to Blocking the penetration of any chemical liquid; and The fixture cover frame further comprises a conductive frame and a barrier ring disposed inside the fixture cover frame and electrically connected to the plurality of binding posts, wherein a plurality of conductive pins are disposed on the plurality of conductive pins And protruding on the second surface and located inside the plurality of bonding columns, in contact with the clamped circuit board for conducting electricity during electroplating; the barrier ring is disposed on the second surface and located in the plurality of The inside of the conductive needle is used to block the penetration of the chemical liquid used in the process. The circuit board fixture of claim 7, wherein the binding post has a columnar body having a top end and a slightly narrow neck. The circuit board fixture of claim 8, wherein the locking hole is a hole having a wider end and a narrower end; the larger end of the binding post can pass through the wider end of the locking hole, and then The binding post lock plate is further moved, so that the narrow end of the locking hole is caught by the neck of the binding post to prevent the binding post from being separated from the coupling hole and separated, thereby achieving the effect of locking. The circuit board fixture of claim 7, wherein the fixture bottom plate and the fixture cover frame are made of a material that is resistant to corrosion and does not interact with a chemical agent used in the process of manufacturing the circuit board. . A circuit board fixture according to claim 7, wherein the binding post lock plate is made of metal. The circuit board fixture of claim 7, wherein the barrier ring is made of a rubber material and has an elastic property of extrusion to prevent penetration of a chemical liquid used in the process. A circuit board fixture for clamping two circuit boards in a process, comprising: a fixture bottom plate, a piece of flat plate having a first surface and a second surface on the first surface and the second surface thereof a plurality of bonding holes are respectively disposed at the periphery; and two jig cover frames are respectively coupled to the first surface and the second surface of the bottom plate of the jig, respectively clamping a circuit board; The cover frame is a frame type object having a narrow first surface and a wider width The second surface is provided with a plurality of binding columns corresponding to the second surface of the fixture cover frame; the plurality of bonding columns of the fixture cover frame respectively corresponding to the plurality of bonding holes inserted into the bottom plate of the fixture, Fixing a circuit board by clamping; wherein the fixture bottom plate further comprises two binding column lock plates respectively disposed inside the bottom plate of the jig, and can be oriented to be transversely cut across the first surface and the second surface respectively a plurality of bonding holes, the binding column locking plate is provided with a plurality of locking holes respectively corresponding to the plurality of bonding holes of the bottom plate of the fixture; the plurality of locking holes can respectively pass through the plurality of binding columns of the fixture cover frame respectively After the binding column lock plate is moved, the locking hole locks the binding post to prevent the binding post from being separated from the bonding hole; the jig cover further comprises a conductive frame and a blocking ring, the conductive The frame is disposed inside the jig cover frame and electrically connected to the plurality of bonding columns, and a plurality of conductive pins are disposed thereon, the plurality of conductive pins protruding from the second surface and located inside the plurality of bonding columns With the board being clamped Touch, when used as the conductive plating; Department of the barrier ring disposed on the second surface and the plurality of conductive positioned inside of the needle to penetrate the barrier as the chemical process liquid used. The circuit board fixture of claim 13, wherein the binding post has a columnar body having a top end and a slightly narrow neck. The circuit board fixture of claim 14, wherein the locking hole is a hole having a wider end and a narrower end; the larger end of the binding post can pass through the wider end of the locking hole, and then Move the binding column lock again The plate is such that the narrow end of the locking hole catches the neck of the binding post to prevent the binding post from being separated from the coupling hole and separating, thereby achieving the effect of locking. The circuit board fixture of claim 13, wherein the fixture bottom plate and the fixture cover frame are made of a material that is resistant to corrosion and does not interact with a chemical agent used in the process of manufacturing the circuit board. . The circuit board fixture of claim 13, wherein the binding post lock plate is made of metal. The circuit board fixture according to claim 13, wherein the barrier ring is made of a rubber material and has an elastic property of extrusion to prevent penetration of a chemical liquid used in the process.