TWI305122B - Reconstruction method for print circuit board - Google Patents

Description

<1305122 IX. INSTRUCTIONS: [Technical field of invention] The present invention relates to a method for re-creating a type of printed circuit board, in particular, a re-addition of a printed circuit board using an auxiliary fixing plate in the process. [Previous technique] In order to respond to various sizes and processes

The printed circuit board is arranged on a printed circuit board to produce ^ = board. However, the sub-board on the printed (four) circuit board and m is good =, it is inevitable that there will be some defective product boards, and different customers have different specifications for the yield of printed circuit boards. For example, a customer requires that the number of defective sub-boards on a printed circuit board be two's and that the other customer requires the presence of a non-plated board on the printed circuit board. In other words, the printed circuit board with the number of defective sub-boards exceeding the upper limit is the discarded printed circuit board. However, the discarded printed circuit boards often still have sub-boards that can be used, and they will be thrown away. It will not only be a pity, but it will also increase the burden of cost. As a result, more and more manufacturers are beginning to develop a variety of methods to eliminate the need to update the sub-boards that are good on the discarded printed circuit boards. The patent cases that are currently unrelated are, for example, the Republic of China Patent No. 428423, "Recycling of defective printed circuit boards, which is called the second material." In the prior art, the recycling of the two-brush circuit board was added. The method is: removing the defective sub-board in the printing sense to form a gap, and leaving the good product and then 'taking the good sub-circuit board of the second printed circuit board from the second printed circuit 5 1305122 board; Replenishing the good sub-circuit board back to the gap of the printed circuit board to form a good printed circuit board; then, applying a fixing agent to the connection between the printed circuit board and the good sub-circuit board, and fixing the good sub-board to the printed circuit On the board. In the embodiment illustrated in No. 428,423, the printed circuit board is a printed circuit board having four side strips. However, in order to reduce material costs, more and more printed circuit boards are not provided with side strips on both sides. Referring to FIG. 1, FIG. 1 illustrates a printed circuit board without side strips on both sides. In the printed circuit board 100, there are four sub-circuit boards 110, 120, 130, 140, each of which is connected to the upper side strip 150 and the lower side strip 150', and to the upper side strip 150. And a plurality of optical positioning points 170 are disposed on the lower side strip 150'. A cutting tool (not shown) can be positioned by the optical positioning point 170 to cut the sub-board 110, 120, 130 or 140 on the printed circuit board 1 . If the sub-board 120 or 130 is a defective sub-board, the sub-board 120 or 130 can be replaced by the method described in the '428 patent. However, if the sub-board of the defective product is located on both sides of the printed circuit board WO (ie, the sub-board 110 or the sub-board 140), the method described in the '428 patent cannot be used to the sub-board 110 or Sub-board 140 is replaced. Because the sub-board u〇 or the sub-board 140 is cut to leave a notch, the upper side strip 15〇 and the lower side strip ^0' will be displaced at their ends due to residual stress. For example, moving outward or inward, causing the upper side strip 150 and the lower side strip 150 to be offset at the end of the optical positioning point 170. In this way, the subsequent system &amp; (ie, the sub-board of the good product) cannot be performed. 6 1305122 Board into the good sub-circuit The f board must be scrapped, which will increase the manufacturing cost. :::Printing electricity The poor product board on both sides of the p-brush board will be an important technical issue in the field. The τ replacement has become this. SUMMARY OF THE INVENTION The purpose of this month is to provide a defective circuit circuit on both sides of the substrate to reduce the manufacturing cost by placing the circuit in the circuit. &lt;In accordance with the above and other objects, the present re-integration method is used, for example, for a printed circuit board - a first side edge and a lithic board - the printed circuit board has opposite side edges: first side strip Connected to the other side strips of the second side strip. The first end of the first side strip is not overlapped with the first side strip: First, the method of recreating the Μ / job board includes the following steps close to the first end: two = connected to the first end; then, Finally, the second sub-board is replenished into the board to remove the missing portion into a first gap; wherein, the first sub-core;: the second:: the brush circuit board according to the above purpose and its date "The road plate is a good product. The plate process is used to make the edge, and the present invention further provides a recycling circuit - the side strips have the opposite side strips of the first end plate connected. 苴中,弟弟鳊〇卩The first part is not connected to the other side. The method of rebuilding the 1 circuit board includes the following: then the auxiliary fixing plate is fixed to the original position, and the money is at one end; after that, The first 7 to the first gap are merged with the printed circuit board; wherein; the sub-sub-sub-circuit '1305122 board is defective, and the second sub-board is good. In the above-mentioned printed circuit board re-addition method The method further includes the following steps: after the second sub-board is added to the first gap and merged with the printed circuit board, The auxiliary fixing plate is detached from the first end.

In the above re-addition method of the printed circuit board, the second end portions of the first side strip and the second side strip are not connected to the other side strips, and the re-addition method of the printed circuit board further comprises the following steps First, after the second sub-board is combined with the printed circuit board, the auxiliary fixing plate is fixed to the second end of the two side strips; then, the third sub-board closest to the second end is taken out, Forming a second notch; thereafter, the fourth sub-board is added to the second notch and merged with the printed circuit board; wherein the third sub-board is defective and the fourth sub-board is good. Moreover, after the fourth sub-board is added to the second notch and merged with the printed circuit board, the auxiliary fixing plate can be detached from the second end. In the above re-addition method of the printed circuit board, the step of fixing the auxiliary fixing plate to the first end portion comprises: bonding the adhesive to the joint of the auxiliary fixing plate and the first end portion. In the above-described re-addition method of the printed circuit board, the auxiliary fixing plate is a gate type, a straight strip type or a frame type. In the above-described re-addition method of the printed circuit board, the material of the auxiliary fixing plate is equivalent to, for example, a printed circuit board. In the above-described re-addition method of the printed circuit board, the thickness of the auxiliary fixing plate is, for example, equivalent to that of the printed circuit board. The above described objects, features, and advantages of the invention will be apparent from the description and accompanying drawings. ‘1305122 MODE FOR CARRYING OUT THE INVENTION Herein, the present invention will describe some embodiments in detail. However, it is to be understood that the invention may be embodied in a wide variety of other embodiments, and the scope of the invention is not limited to the embodiments described below.

Please refer to FIG. 2. FIG. 2 illustrates a printed circuit board according to a first embodiment of the present invention. In the printed circuit board 200, there are four sub-circuit boards 210, 220, 230, 240, and each of the sub-boards 210, 220, 230, 240 is respectively associated with the first side strip 250 and the second side strip 250'. Connected, and on the first side strip 250 and the second side strip 250', a plurality of optical positioning points 270 are provided. These optical positioning points 270 enable the tooling station (not shown) to position the printed circuit board 200 and perform subsequent processes. Of course, those skilled in the art can also locate other positioning marks such as holes instead of optical positioning points 270. In the printed circuit board 200, the sub-board 210 and the sub-board 240 are defective boards, and the sub-board 220 and the sub-board 230 are good boards. If the customer has one upper limit on the defective sub-board on the printed circuit board, the sub-board 210 and/or the sub-board 240 need to be replaced. In order to clearly explain the manufacturing method of the present invention, the sub-board 210 and the sub-board 240 are hereinafter referred to as a first sub-board 21 〇 and a third sub-board 240. Hereinafter, the replacement of the first sub-board 21A will be described. Please refer to FIG. 3A first, and FIG. 3A is a schematic diagram of the auxiliary fixing plate being fixed to the first end. Before the first sub-board 210 is removed, the two ends of the auxiliary fixing plate 9 1305122 280 are firstly fixed to the first end 252 of the first side strip 250 and the first end of the second side strip 250'. The method of fixing the portion 252 ′′ is, for example, first contacting the two ends of the auxiliary fixing plate 280 with the first end portion 252 and the first end portion 252 ′, and then the auxiliary fixing plate 280 and the first end portion 252 and The junction of the first end portion 252' is coated with an adhesive to fix the auxiliary fixing plate 280 to the first end portion 252, 252'. The adhesive is, for example, a UV glue or a quick-drying glue.

Next, please refer to FIG. 3B, which is a schematic diagram of the printed circuit board after the first sub-board is taken out. After the auxiliary fixing plate 280 is fixed to the first end portions 252 and 252, the first sub circuit board 210 can be taken out. When the take-out operation of the first sub-board 210 is performed, the first sub-electrode board 210 is cut by, for example, a CNC (C〇mputei·Numerical Control) machine, a laser cutter, a die set, or the like. The younger brother is on the seesaw, saying that a first gap 212 is left on the brush circuit board 200. Since the auxiliary fixing plate 28 is fixed to the first end portions 252, 252, even if the first sub-board 21 is removed, the first end portion 252 and the first end portion 252 are not in position. Since the first end 252 and the first end 252 remain fixed. The upper optical positioning point 27 is held in the subsequent step of loading the board into the gap 212. J refers to the sound of the 3C, 3C painted circuit board, the tp of the electric board to the auxiliary fixed board: two! The first end portion 252 and the first end portion 252 are not displaced. Therefore, when the optical positioning point on the other one is notched 212, it is precisely positioned in the second sub-circuit of the first sub-board to be added to the first sub-circuit. In FIG. 3C, as a good one, the second slave slave 2 has been accurately incorporated into the printed circuit board 2's circuit board 21G, for example, by dispensing on the printed circuit board 1001305122. . Moreover, the second sub-board 21 can be removed from other printed circuit boards (not shown) during the migration, or it can be prepared in advance and placed next to the tool machine (not shown). When the second sub-board 210' is replenished, the auxiliary fixing plate 280 can be removed from the first end 252 and the first end 252'. At this time, the printed circuit board 200 is only used. The third sub-board 240 remains as a sub-board of defective products. If the customer allows the number of defective sub-boards to be one, the number can be

Second, the printed circuit board 200 is shipped, but if the customer does not allow the defective circuit board to exist on the printed circuit board, the third sub-board 24 must be replaced with a good sub-board, the following will be the third sub- The replacement process of the board 24〇 is introduced. - Li Mingshen!! Fig. 3D, Fig. 3D is a schematic view of fixing the auxiliary fixing plate to the second end. The replacement process of the third sub-board 24G is similar to the replacement process of the first sub-board 210. Before the third sub-board 240 is removed, the two ends of the auxiliary-mount board 28G are first fixed to the first- The second end portion 254α of the side strip 25q and the second end portion 25〇 are at the second end. The method of fixing is as follows: first, the two ends of the auxiliary fixing plate 28〇 are respectively brought into contact with the second end portion W, and then applied to the joint of the auxiliary fixing plate 280 and the second end portions 254 and 254. The adhesive is used to fix the auxiliary fixing plate to the second end portion 254, and the adhesive is, for example, υν glue or quick-drying glue. Archer, please refer to Figure 3F, PI 1 1 ^ brush circuit board showing the map. J is the print after the board is removed. u θ. After the auxiliary fixing plate 280 is fixed to the second end portion 52, the third sub-board 24 can be removed. When the third circuit board 240 is taken out , for example using CNC ( Computer 11 1305122

The first sub-board 240 is cut by a machine, a laser cutter, a die set, and the like. After the third sub-board 240 is removed, a second notch 242 is left on the printed circuit board 200. Since the auxiliary fixing plate 28 is fixed to the second end portions 254, 254', even if the third sub-circuit board 240 is taken out, the second end portion 254 and the second end portion 254' are not in position. Offset. Since the second end portion 254 and the second end portion 254 remain fixed, the optical positioning point 270 located thereon can be maintained at an intrinsic position, and the subsequent replacement of the good sub-circuit board into the second notch 242 can be performed. Process.

Next, please refer to FIG. 3F' FIG. 3F for a schematic diagram of a printed circuit board that has been replenished into the fourth sub-board. Since the second end portion 254 and the second end portion 254 are fixed by the auxiliary fixing plate 280, the optical positioning point 270 located thereon is not displaced. In this way, precise positioning can be performed when the other sub-board is replenished to the second notch 242. In FIG. 3F, the fourth sub-board 240' as a good product has been accurately incorporated into the printed circuit board 2', and the fourth sub-board 240' is fixed to the printed circuit board 200, for example, by dispensing. on. Moreover, the fourth sub-board 240' may be removed from other printed circuit boards (not shown) during migration, or may be prepared in advance and placed next to the tool machine (not shown), when needed. It can be accessed faster. After the fourth sub-board 240' is incorporated into the printed circuit board 200, the auxiliary fixing plate 280 can be removed from the second end 254 and the second end 254, at which time the printed circuit board 200 is not There are sub-boards with defective products that can be shipped to customers. Next, a second embodiment of the present invention will be described. Fig. 4 is a view showing a schematic diagram of a printed circuit board in which the first sub-board is removed in the second embodiment. 3A and FIG. 4, in FIG. 3A, since the first end portion 252 and the first end portion 252' are fixed by the auxiliary fixing plate 280, even if the first sub-board 210 is removed, the first end The portion 252 and the first end portion 252 are not displaced. However, in FIG. 4, since the auxiliary fixing plate 280 is not fixed, the first end portion 252 and the first end portion 252' are displaced after the slave sub-board 210 is removed, resulting in displacement. The offset of the optical positioning point 270. In order to return the optical positioning point 270 to the original position, the first end portion 252 and the first end portion 252 can be adjusted using a jig, for example, a § circumferential platform (not shown), adjusted The platform has a plurality of vacuum chucks, and after the brush circuit board 200 is adsorbed on the adjustment platform, the first end portion 252 and the first end portion 252' are adjusted to return to the original position, so that the good sub-board is filled. Subsequent processes into the first gap 212 can be performed. - Since the process described next is the same as that of the process shown in FIG. 3B to FIG. 3C, the following process will be referred to in FIG. 3B to FIG. 3C. Referring to FIG. 3B, the first end will be referred to. 252 and the first end portion 2 of the sub-board 210 have not been cut before the two ends of the auxiliary solid plate 280 are fixed to the first end portion 252 and the first end portion 252, respectively. Then, referring to FIG. 30, the second sub-board 21 as a good product is inserted into the printed circuit board 2, and the first sub-board 21 and the second sub-board 210 are completed. transplant. 〃 Next, the migration between the third sub-board 240 and the fourth sub-board 24 will be explained. Please refer to FIG. 5 first. FIG. 5 is a schematic diagram of the printed circuit board after the third sub-board is removed. Referring to FIG. 5, since the 13 1305122 auxiliary fixing plate 280 is not fixed, after the third sub-circuit board 24 is removed, the second end portion 254 and the second end portion 254 are displaced. This results in an offset of the optical positioning point 270. Then, the adjustment mechanism used for adjusting the first end condition and the first end portion 252 can be adjusted to position the second end portion 254 and the second end portion 254 to return to the original position, so that Subsequent processing of the good sub-board to the second gap 242 can be performed. Since the process described next is the same as that of the process shown in FIG. 3E to FIG. 3, the subsequent processes will be briefly described below with reference to FIGS. 3E to 3F. _ *Please refer to the item 3E ' before the second end portion 254 and the second end portion 254 are adjusted to the position before the second sub-board 240 has not been cut, and the two ends of the auxiliary fixing plate 280 are respectively The second end 254 and the second end 254 are fixed. Then, please refer to FIG. 3E, and the fourth sub-board 24, which is a good product, is transferred to the printed circuit board 2, and then the third sub-board and the fourth sub-board 240 are transplanted. . /, ^ In the first embodiment and the second embodiment described above, the gate-shaped auxiliary fixing plate 280 is used to fix the first end portion 252, 252, or the second end portion 254, 254, . Other (four) auxiliary fixing plates 280 can also be used. For example, the auxiliary fixing plate may be a straight type auxiliary fixing plate 280 (as shown in Fig. 0) or a frame type auxiliary fixing plate 280, ' (as shown in Fig. 6A). Further, the material of the phase plates 280, 280', 280'' is, for example, the same as that of the printed circuit board 2, and the thickness thereof is also equivalent to that of the printed circuit board 200. Further, the auxiliary fixing plate 280 can be fixed to other positions except for being fixed to the side of the printed circuit board 2 . For example, a straight-type auxiliary plate 280' or a frame-type auxiliary fixing plate 28 can be fixed to the lower side of the printed circuit board. The position of the auxiliary fixing plate and the position of the fixing plate are not particularly limited as long as the first end portions 252, 252, 14 and 1305122 or the second end portions 254, 254' of the printed circuit board 200 are not displaced. In addition, although the above-mentioned printed circuit board 200 is a printed circuit board which does not have side strips on both sides, the re-addition method of the printed circuit board of the present invention can also be applied to a side strip without side Printed circuit board. Moreover, the re-addition method of the printed circuit board of the present invention can also be applied to a printed circuit board having a side strip on the side, but is previously removed by the process.

In summary, due to the re-addition method of the printed circuit board of the present invention, after the defective sub-circuit board located at the most lateral side is taken out, the first end portion or the second end portion is opposed by the auxiliary fixing plate After the fixing, the first end portion or the second end portion can be maintained at the original position, so that the good sub-circuit board can be added to the notch at the outermost side. The present invention is described by way of example only, and is not intended to limit the scope of the claims. The scope of patent protection is subject to the scope of the patent application and its equivalent. Modifications or modifications made by those skilled in the art, without departing from the spirit or scope of the invention, are equivalent to the equivalents or modifications made in the spirit of the invention and should be included in the following claims. Inside. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a printed circuit board having no side strips on both sides. 2 is a printed circuit board according to a first embodiment of the present invention. Figure 3A is a schematic view showing the auxiliary fixing plate fixed to the first end. 15 , 1305122 FIG. 3B is a schematic diagram of a printed circuit board after the first sub-board is taken out. Figure 3C is a schematic illustration of a printed circuit board that has been replenished into a second sub-board. FIG. 3D is a schematic view showing the attachment of the auxiliary fixing plate to the second end. Figure 3E shows the schematic of the printed circuit board after the third sub-board has been removed.

Figure 3F is a schematic illustration of a printed circuit board that has been replenished into a fourth sub-board. Fig. 4 is a view showing a printed circuit board in which the first sub-board is removed in the second embodiment. Fig. 5 is a view showing a printed circuit board in which the third sub-board is removed in the second embodiment. FIG. 6A illustrates another embodiment of the auxiliary fixing plate of the present invention. FIG. 6B illustrates another embodiment of the auxiliary fixing plate of the present invention. [Main component symbol description] 100: Printed circuit board 110, 120, 130, 140: Sub-board 150: Upper side strip 150': Lower side strip 170: Optical positioning point 16.1305122 200: Printed circuit board 210: First sub-board (sub-board) 210': second sub-board 212: first notch 220, 230: sub-board 240: third sub-board (sub-board) 240': fourth sub-board

242: second notch 250: first side strip 252, 252': first end 254, 254': second end 250': second side strip 270: optical positioning points 280, 280', 280" : Auxiliary fixing plate 17

Claims (1)

1305122 X. Patent application scope: 1. A method for re-creating a printed circuit board for re-establishing a brush circuit board having a --side eucalyptus circuit board' riding strip and a brother-side strip, the first In contrast, the second side strips are opposite to each other, and the side strips and the second side edges are not connected to other strips, and the printed circuit board is further increased The method includes the steps of: fixing an auxiliary fixing plate to the first end portion; = the first sub-circuit board closest to the first end portion, and removing the notch; and filling the first sub-sub-board To Chu Chu,,,, # · J:Φ , ^^ to 5 Xuandi a gap Asia and the printed circuit board = /, the middle s Haidi a sub-board is a defective product, the second sub-board is The re-addition method of the printed circuit board of the liang== step includes the following steps: after the first sub-board is added to the first-notch and merged with the printed circuit board, the auxiliary fixing plate is removed from the first end The department was removed. 3. The method of re-adding a circuit board according to the first aspect of the invention, wherein the first side strip and the second end of the second side strip are not connected to the other side strips, the sting The circuit board re-addition method further includes the following steps: “ After the second sub-board is combined with the printed circuit board, the second auxiliary end of the two side strips is fixedly secured; the second notch; And removing a third sub-board closest to the second end, forming a fourth sub-board to be affixed to the second notch and the printed circuit; wherein the third sub-board is Defective product, the fourth sub-board is a further step of the printed circuit board according to item 3 of claim 3: the fourth sub-board is added to the second notch and the second board is included After the merging, the (4) fixed plate is detached from the second end. The printed circuit 5 is reattached to the first end of the printed circuit board of the second aspect of the invention. ^ Adhesive bonding adhesive to the junction of the auxiliary fixing plate and the first end. · If the printed circuit board of the i-th article of the application for patent is added, the fixed plate is a door type, a straight type or a frame type. / ',, the auxiliary input is printed as the i-th item of the patent application scope _ The material of the re-fixing plate of the road plate is equivalent to that of the printed circuit board. /, /, the auxiliary 8. The printing of the patent application is added to the thickness of the fixed plate. The thickness of the fixed plate is equivalent to that of the printed circuit board. COSCO auxiliary 9·~ kinds of printed circuit board re-addition method, brushing the opposite side of the circuit board of the two side strips, the first end of the printed strip is not connected with the other side strips, and the two brothers, The following (4): μ 卩 之 之 骑 骑 方法 方法 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑 骑The first end; and the Α are set to the original position, and the auxiliary sub-board is added to the auxiliary sub-board: wherein the first sub-board is the port and is in close contact with the printed circuit. The 9th board of the Indians of the patent scope is good. The method of re-creating the P-brush circuit board includes the following steps of J9.1305122: after the second sub-board is added to the first-negative π and merged with the road board, the auxiliary fixed board is removed from the first Remove one end. 11. A method of recreating a printed circuit board according to claim 9 wherein the 兮+ two ends are not connected to the other side strips, and the second printed circuit board includes the following steps. The method is closer to the second sub-circuit board of the second singularity and the printed circuit board is merged, and a third sub-circuit board at the end is taken out to form a second gap. Returning the second end portion that has deviated from the original position to the original position, the fixing plate is fixed to the second end of the printed circuit board; and 'adding a subsidized-fourth sub-circuit board to the second notch and And the third sub-board is a defective product, and the fourth sub-circuit is a re-construction of the printed circuit board as claimed in claim ii. Step: after the fourth sub-board is replenished to the second notch, including the lower board, the auxiliary fixing board is removed from the second end, and the printing power is 13. The step of fixing the auxiliary fixing plate of the printed circuit board of the ninth item to the first end portion includes t bonding the adhesive to the auxiliary fixing plate and the first end portion. The addition of the printed circuit board of the item is 4. The auxiliary fixing plate is of an n-type, a straight type or a frame type. Among them, the auxiliary 15·, the patent application for the ninth item of the circuit board, the additional construction of the fixed plate is equivalent to the printed circuit board. / </ br /> This auxiliary 10. If the patented βΜ爻tp brush circuit board is supported, the thickness of the fixing plate is equivalent to that of the printed circuit board. 20