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Type of via for Flex rigid PCB

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Popularity:362Dated :12-30-2021 03:18【big well Small

Flex rigid PCB factory tells you via are generally divided into three types: via, blind holes and buried holes.

Blind hole: it is located on the top and bottom surfaces of the printed circuit board and has a certain depth, which is used for the connection between the surface circuit and the inner circuit below. the depth of the hole usually does not exceed a certain ratio of the pore diameter.

Buried hole: a connection hole located in the inner layer of a printed circuit board that does not extend to the surface of the Flex rigid PCB.

Via: this hole passes through the entire Flex rigid PCB and can be used for internal interconnection or as a positioning hole for the installation of components. Because the via is easier to realize in the process and the cost is lower, the printed circuit board is generally used.

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