Matte Black HDI PCB--Any hole with a diameter of less than 150um is called microvia in the industry, and the circuit made by this geometric technology of microvia can improve the benefits of assembly, space utilization, etc. At the same time, it also has the effect of miniaturization of electronic products. Its necessity. The following is about Matte Black HDI Circuit Board related, I hope to help you better understand Matte Black HDI Circuit Board.
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