PCB glue removing method in mode of vertically depositing copper wires
A PCB board and sinking copper technology, which is applied in the field of PCB board manufacturing, can solve the problems of low glue removal output and production efficiency, and achieve the effects of improved glue removal production efficiency, low equipment cost, and low equipment cost
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[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0044] Such as figure 1 As shown, a method for removing glue on a vertical copper wire of a PCB board provided by an embodiment of the present invention is used to remove the drilling slag remaining on the hole wall after drilling a PCB board, including the following steps:
[0045] a. Putting in the board, that is, preparing the PCB board that needs to be glued, and the TG value of the PCB board is ≥ 170 ° C, which is a high TG board;
[0046] b. The first expansion is to dip the PCB board into a chemical solution containing ether and phosphoric acid for 8 to 9 minutes, so as to break the polymer...
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