JP5913486B2 - Plating rack - Google Patents

Description

  The present invention relates to a kind of plating rack, and more particularly to a rack apparatus used in an electroplating process of a printed circuit board.

A printed circuit board (PCB) is a circuit product created by printing technology, and the lines on the board tend to be miniaturized. It is already impossible to produce lines by printing lines using printing technology. It has changed to the exposure development system. Substrates are classified into hard substrates and soft substrates according to their flexibility. In general, the manufacturing flow of a hard multilayer substrate is as follows.
A. First, the inner layer wiring is manufactured using the substrate as the starting material. B. Form necessary lines in steps such as photoresist coating, exposure, development, etching, and photoresist removal. In addition, the surface of the copper is roughened to increase the adhesiveness of the insulating resin, and further crimped to the resin piece and punched by a machine or a laser for conduction between the inner and outer layers.
D. Further, in the electroplating process, a conduction path between the substrates is formed, and the outer layer of the substrate after the circuit process is completed. Finally, solder resist coating and anti-oxidation treatment are performed to prevent the solder from overflowing and forming a short circuit with the adjacent line when soldering electronic components, which also isolates the board from moisture and oxidation in the air. The substrate with the solder resist ink applied is subjected to surface anti-oxidation treatment to enhance the surface layer anti-oxidation capability according to customer requirements.

  1A to 1B show a rack device 1 used in a known electroplating process of a printed circuit board. The rack device 1 includes a substrate housing area 2 in which at least one printed circuit board can be left, and an interlocking frame 10 and a support frame 15 connected to an external drive device (not shown). The interlocking frame 10 and the support frame 15 are installed so as to face each other in the first axis direction of the printed circuit board, and the interlocking frame 10 and the support frame 15 have one end of the first horizontal frame member 110 and the second horizontal frame member 111, respectively. It is connected to the.

  The first horizontal frame member 110 and the second horizontal frame member 111 are provided with telescopic rods 12 at both ends in the second axial direction of the printed circuit board.

  The telescopic rod 12 is adjusted according to the size of the printed circuit board, and the first horizontal frame member 110 and the second horizontal frame member 111 are provided with a plurality of first holding means 13 in order along the second axial direction. And pressing means P for pressing and holding the printed circuit board are provided at both ends of the first holding means 13 corresponding to the third axis direction of the printed circuit board.

  However, the holding point area where the pressing means P is in contact with the printed circuit board can be in direct contact with the dipping agent, so that the metal adheres to the periphery of the printed circuit board in the electroplating process and the electroplating holding point area. The thickness of the area becomes uneven, the film thickness of the electroplating holding point area becomes thick, and copper is generated, which causes difficulty in processing in the subsequent process, and affects the process yield and production cost.

  In view of the above, in order to improve the above problems, the present invention provides a kind of plating rack, which includes an interlocking frame and a support frame, the interlocking frame being connected to an external drive device, One end is connected to the first horizontal frame member, and one end of the support frame is connected to the second horizontal frame member.

A telescopic rod is provided along the first axial direction, connected to both ends of the first horizontal frame member and the second horizontal frame member, and a plurality of first clamping devices are provided along the second axial direction. The first horizontal frame member and the second horizontal frame member are provided in order, and in the plurality of first holding devices, at least one pressing unit is provided at both ends in the third axial direction, and the pressing unit Is used for holding and fixing the substrate, and the first holding device in the vicinity of the pressing means includes first liquid stopping means, and the first liquid stopping means has an annular shape so as to surround the pressing means. And a closed space is formed between the pressing means and the first liquid stop means, wherein the first liquid stop means is a sealing strip made of a soft material and is formed on the upper side in the first axial direction of the substrate. The height does not exceed the height of the upper side of the first liquid stopper, and the material of the first liquid stopper is NBR synthetic rubber, EPDM synthetic Beam, are either VITON ® fluorocarbon rubber, silicone rubber, or Teflon.

  Based on the above technical features, the present invention uses a soft liquid stop strip to prevent drug ingress and prevent metal plating in the liquid stop strip area, so that the edge thickness is reduced by electroplating process. Prevents thickening or generation of metal residue, which eliminates the need for edge polishing or edge cutting in subsequent processes, lowers manufacturing costs and prevents production of metal residue. Up.

It is a front view of a well-known plating rack. It is a side view of a well-known plating rack. It is a front view of the rack for plating of this invention. It is a front view of the 1st clamping apparatus of this invention. It is a side view of the 1st clamping apparatus of this invention. It is a front view of another Example of the rack for plating of this invention. It is a front view of the 2nd clamping apparatus of this invention. It is a side view of the 2nd clamping apparatus of this invention. It is a front view of another Example of the rack for plating of this invention. It is a front view of the 2nd holding device and the 3rd holding device of the present invention. It is a side view of the 2nd holding device and the 3rd holding device of the present invention.

  The technical contents, structural features, objects to be achieved, and operational effects of the present invention will be described in detail below with reference to examples and drawings. A person having ordinary knowledge in this technical field can easily understand the purpose of the present invention based on the contents described in this specification.

  See FIG. 2A. The present invention presents a kind of plating rack 3, which includes one interlocking frame 30 and one support frame 35 connected to an external driving device (not shown). The interlocking frame 30 and one end of the support frame 35 are connected to the first horizontal frame member 310 and the second horizontal frame member 311, respectively, so as to face each other in the first axis direction of the substrate housing area 2. The horizontal frame member 310 and the second horizontal frame member 311 correspond to the telescopic rod 32 at both ends in the second axial direction of the substrate housing area 2, and the telescopic rod 32 is extended or shortened along the first axial direction. In the first horizontal frame member 310 and the second horizontal frame member 311, a plurality of first holding devices 33 are sequentially spaced apart along the second axial direction of the substrate housing area 2, and the third axial direction of the substrate housing area 2 Vs. At least one pressing means P is provided at both ends of the first holding device 33, and the number of the pressing means P is not limited here. The pressing means P is installed according to actual needs. The pressing means P are provided on the same straight line.

  Please refer to FIGS. 2B to 2C together. The plating rack 3 according to the present invention is characterized in that the first holding device 33 includes a rod 330, a first liquid stopper 34 is provided on one side of the rod 330 adjacent to the pressing means P, and the first liquid stopper The means 34 is installed in an annular shape so as to surround the pressing means P so as to face the substrate housing area 2 toward the third axis direction. Further, the means 34 is arranged at the upper end of the substrate in the first axis direction. The height does not exceed the height of the upper end of the first liquid stopper 34, and a closed space A is formed between the pressing means P and the first liquid stopper 34.

  FIG. 3A shows another embodiment of the present invention, in which a plating rack 4 is presented, and similar parts to the previous embodiment in this embodiment will not be described again, and different parts will be described. The similar parts will be described with the aid of the part codes of the previous embodiment.

  The plating rack 4 includes the interlocking frame 30, the support frame 35, the first horizontal frame member 310, and the second horizontal frame member 311 described in the previous embodiment. The plating rack 4 in this embodiment includes: The telescopic rod 32 and the first holding device 33 described in the previous embodiment are not included, and either the first horizontal frame member 310 or the second horizontal frame member 311 extends along the first axial direction described above. Can move freely.

  See FIGS. 3B-3C. The features of the present embodiment are as follows.

  The second holding device 43 is installed along the first axis direction described above, and is connected to the first horizontal frame member 310 and the second horizontal frame member 311, and the second holding device 43 is connected to the second axis member described above. A plurality of first longitudinal rods 430 are arranged along the direction and spaced apart, and the distance between the first longitudinal rods 430 is the same or different, and is not limited here, and is designed according to actual needs. One end of the vertical rod 430 is connected to the first horizontal rod 431, and at least one first pressing means P1 is provided on the first horizontal rod 431 at this connection position, which is used to press and fix the substrate. These first pressing means P1 are provided on the same straight line, and will be further described. The first vertical rod 430 and the first horizontal rod 431 are perpendicular to each other or non-perpendicular to each other. Designed.

  The second liquid stop means 44 is provided in the first horizontal rod 431, and the second liquid stop means 44 extends along the second axial direction described above to reach both side ends of the first horizontal rod 431 and these. It is installed in an annular shape surrounding the first pressing means P1, and a first closed space A1 is formed between the first pressing means P1 and the second liquid stopper means 44.

  Accordingly, the length of the second liquid stopper 44 corresponding to the second axial direction is equal to or smaller than the substrate, and the height of the upper side of the substrate corresponding to the first axial direction is the first height. The upper side height of the two-liquid stopper 44 is not exceeded.

  See FIG. 4A. It represents a further embodiment of the invention, in which a plating rack 5 is presented. In this embodiment, parts similar to those in the previous embodiment will not be described redundantly, and slightly different parts will be described. The similar parts will be described with reference to the part reference numerals in the previous embodiment.

  The plating rack 5 includes an interlocking frame 30, a support frame 35, a first horizontal frame member 310, a second horizontal frame member 311, a second holding device 43, a first pressing unit P 1, and a second liquid stopper unit 44. . The plating rack 5 in this embodiment has the following characteristics.

  A first vertical frame member 510 and a second vertical frame member 511 are disposed on both sides of each substrate in the second axial direction, respectively, and the first vertical frame member 510 and the second vertical frame member 511 are connected to the first vertical frame member 511. Corresponding to both ends in the axial direction, the first horizontal frame member 310 and the second horizontal frame member 311 are connected to the first horizontal frame member 310 and the second horizontal frame member 311, respectively. A third gripping device 53 is provided.

  See FIGS. 4B-4C. The third gripping device 53 has a plurality of second horizontal rods 530 in the first axial direction and is arranged in order, and the distance between the second horizontal rods 530 may or may not be the same. Instead, one end of the second horizontal rod 530 is connected to the second vertical rod 531, and at least one second pressing means P2 is provided on the second vertical rod 531 at the aforementioned connection position. These second pressing means P2 are used to reinforce the substrate fixing and make it more stable during the moving process, and these second pressing means P2 are provided on the same straight line. And the second transverse rod 530 are perpendicular or non-vertical to each other, and are not limited here and are designed according to actual needs.

  The third liquid stopper 54 is provided in the second vertical rod 531, and the third liquid stopper 54 is extended along the first axial direction and extended to both ends of the second vertical rod 531. A second closed space A2 is formed between the second pressing means P2 and the third liquid stopper means 54. The second closed space A2 is formed in an annular shape surrounding the second pressing means P2.

  Accordingly, the third liquid stopper 54 has a length corresponding to the first axial direction equal to or smaller than the substrate, and the height of the upper side of the substrate corresponding to the second axial direction is the third liquid stopper. The upper side height of 54 is not exceeded.

In the above-described three embodiments of the present invention, the first liquid stop means 34, the second liquid stop means 44, and the third liquid stop means 54 described above are made of a soft seal strip, and the material thereof is NBR synthetic rubber, EPDM synthetic rubber, VITON (registered trademark) fluorocarbon rubber, silicone rubber, or Teflon (registered trademark), IIR (butyl rubber), CR (chloroprene rubber).

  In summary, the various embodiments described above of the plating rack presented in the present invention are characterized in that the technical feature is the addition of a single liquid stop strip (34/44/54) outside the holding point area. The liquid stop strip prevents the entry of chemicals and prevents metal from being plated in the liquid stop strip area, which causes the frame thickness to increase during the electroplating process or generate metal residue. This eliminates the need for a process of polishing or cutting the periphery in the subsequent process, lowers the manufacturing cost, and prevents the generation of metal residue, thereby increasing the manufacturing yield.

  The foregoing is only a description of the preferred embodiment of the present invention, and is not intended to limit the present invention. Other equivalent effect modifications or substitutions that may be accomplished without departing from the spirit of the present invention are not Are also within the scope of the claims of the present invention.

[Known technology]
DESCRIPTION OF SYMBOLS 1 Rack for plating 2 Substrate accommodation area 10 Interlocking frame 110 1st horizontal frame material 111 2nd horizontal frame material 12 Telescopic rod 13 Holding device 15 Support frame [this invention]
2 Substrate accommodation area 3 Plating rack 30 Interlocking frame 310 First horizontal frame member 311 Second horizontal frame member 32 Telescopic rod 33 First holding device 330 Rod 34 First liquid stopper 35 Support frame 4 Plating rack 43 Second Holding device 430 1st vertical rod 431 1st horizontal rod 44 2nd liquid stop means 5 Plating rack 510 1st vertical frame material 511 2nd vertical frame material 53 3rd clamping device 530 2nd horizontal rod 531 2nd vertical Rod 54 Third liquid stop means A Closed space A1 First closed space A2 Second closed space P Pressing means P1 First pressing means P2 Second pressing means

Claims (14)

In plating racks,
An interlocking frame, connected to an external drive device, one end of the interlocking frame connected to the first horizontal frame member, and the interlocking frame;
It is a support frame, is installed so as to oppose the interlocking frame in the first axial direction, and one end of the support frame opposes the first horizontal frame member in the first axial direction. The support frame connected to the second horizontal frame member installed in
The telescopic rod, which extends along the first axial direction, is connected to both ends of the first horizontal frame member and the second horizontal frame member, and expands and contracts along the first axial direction. The rod,
A plurality of first holding devices, which are installed in order on the first horizontal frame member and the second horizontal frame member along a second axial direction orthogonal to the first axial direction, the first axial direction and A plurality of first gripping devices provided with at least one pressing means at each end of the plurality of first gripping devices corresponding to a third axial direction orthogonal to a plane defined by the second axial direction; ,
The substrate accommodation area, which is a substrate accommodation area and is an area surrounded by the first horizontal frame material, the second horizontal frame material, and the telescopic rod, and the substrate is pressed and held by the first holding device. The first holding device in the vicinity of the pressing means includes first liquid stopping means, and the first liquid stopping means is installed in an annular shape surrounding the pressing means, and the pressing means A plating rack, wherein a closed space is formed between the first liquid stoppers. 2. The plating rack according to claim 1, wherein the first liquid stop means is a sealing strip made of a soft material, and the material of the first liquid stop means is NBR synthetic rubber, EPDM synthetic rubber, or VITON (registered trademark) fluoride. A plating rack characterized by being made of carbon rubber, silicone rubber, or Teflon (registered trademark).   2. The plating rack according to claim 1, wherein the pressing means is used for holding and fixing the substrate, and the height of the upper side of the substrate corresponding to the first axial direction is the upper side of the first liquid stopper means. A plating rack characterized by not exceeding the height.   2. A plating rack according to claim 1, wherein said pressing means are arranged on the same straight line.   The plating rack according to claim 1, wherein the telescopic rod expands and contracts along the first axial direction. In plating racks,
An interlocking frame, wherein one end is connected to an external drive device and the other end is connected to a first horizontal frame member;
It is a support frame, is installed so as to oppose the interlocking frame in the first axial direction, and one end of the support frame opposes the first horizontal frame member in the first axial direction. The support frame connected to the second horizontal frame member installed in
A first horizontal frame member, one end of which is connected to the interlocking frame;
The second horizontal frame member, one end of which is connected to the support frame;
A second holding device, wherein the second holding device has one end connected to each of the first horizontal frame member and the second horizontal frame member in the first axial direction, and the second holding device Comprises a plurality of first vertical rods in the first axial direction, the other ends of the first vertical rods opposite to the one ends are respectively connected to the first horizontal rods, and the connected first horizontal rods. The second gripping device provided with at least one first pressing means in the vicinity of each of the rods;
A substrate accommodation area, which is sandwiched between the plurality of first transverse rods facing each other, and is an area where the substrate is pressed and clamped by the second clamping device; and
2nd liquid stop means, Comprising: It is provided in this 1st horizontal rod of this 2nd clamping apparatus, and this 2nd liquid stop means is a both-sides end of this 1st horizontal rod along this 2nd axial direction And the second liquid stop means installed in an annular shape surrounding the first press means and forming a first closed space between the first press means and the second liquid stop means ,
A plating rack, comprising: 7. The plating rack according to claim 6, wherein the second liquid stop means is a soft seal strip, and the material of the second liquid stop means is NBR synthetic rubber, EPDM synthetic rubber, VITON (registered trademark) fluoride. A plating rack characterized by being made of carbon rubber, silicone rubber, or Teflon (registered trademark).   7. The plating rack according to claim 6, wherein the first pressing means is used for holding and fixing the substrate, and the length of the second liquid stopper means corresponding to the second axial direction is equal to the substrate. The plating rack, wherein the height of the upper side of the substrate smaller than that and corresponding to the first axial direction does not exceed the height of the upper side of the second liquid stopper.   The plating rack according to claim 6, wherein the first pressing means are arranged on the same straight line.   The plating rack according to claim 6, wherein either the first horizontal frame member or the second horizontal frame member is a frame member that is freely movable along the first axial direction. , Rack for plating. The plating rack according to claim 6, further comprising:
A first vertical frame member, the first vertical frame member having both ends connected to one end of the first horizontal frame member and the second horizontal frame member;
A second vertical frame member, which is disposed so as to face the first vertical frame member in the second axial direction; both ends of the second vertical frame member are the first horizontal frame member and the second horizontal frame member; The second vertical frame member, wherein the first vertical frame member and the second vertical frame member are provided with a third clamping device on opposite sides thereof,
The third holding device in the first axial direction includes a plurality of second transverse rods, one end of the second transverse rods being connected to the second longitudinal rods, and the connected second longitudinal rods A plating rack, wherein the rod is provided with at least one second pressing means.   The plating rack according to claim 11, wherein the second pressing means is used to clamp and fix the substrate, and a third liquid stopper is provided in the second vertical rod of the third clamping device, The third liquid stopper is extended in a direction corresponding to the first axial direction to reach both ends of the second longitudinal rod, and is installed in an annular shape surrounding the second pressing means. A plating rack, wherein a second closed space is formed between the third liquid stopper and the third liquid stopper. 13. The plating rack according to claim 12, wherein the third liquid stop means is a sealing strip made of a soft material, and the material of the third liquid stop means is NBR synthetic rubber, EPDM synthetic rubber, or VITON (registered trademark) fluoride. A plating rack characterized by being made of carbon rubber, silicone rubber, or Teflon (registered trademark).   13. The plating rack according to claim 12, wherein the second pressing means are arranged on the same straight line, and the upper side height of the substrate corresponding to the second axial direction is the upper side height of the third liquid stopper means. Plating rack, characterized by not exceeding.

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