PCB of preventing separating of hole walls, and processing technology thereof
A technology of PCB board and processing technology, which is applied in the field of PCB board, can solve problems such as hidden dangers buried downstream of PCB, high claims made by electronic manufacturers, and economic loss of PCB, so as to avoid hole wall separation, increase connection force, and increase bonding force Effect
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[0027] In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments:
[0028] Such as figure 1 , a kind of PCB board that prevents hole wall separation, is characterized in that, comprises PCB board body 1, and described PCB board body 1 is provided with several mutually parallel conductive copper layers 14 and PTH hole 11, and described PTH hole 11 is perpendicular to described The conductive copper layer 14 is provided, and the hole wall of the PTH hole 11 is provided with a copper-plated layer 12, and the outer side of the copper-plated layer 12 is fixedly provided with several annular rings 13, and the annular ring 13 surrounds the copper-plated layer 12 set, and the annular ring 13 is embedded in the PCB board body 1 .
[0029] In one embodiment, the center of the annular ring 13 is located on the centerline of the PTH hole 11 .
[0030]...
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