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Detailed description of the classification and parameters of PCB circuit board [PCB sheet] knowledge and standardsAt present, there are several types of copper-clad boards widely used in China, and their characteristics are as follows: the types of copper-clad boards, the knowledge of copper-clad boards, and the classification m… 2021/11/2 15:37:38 517
How much is the PCB board test price? The limits for the six hazardous substances in the RoHS Directive are: The maximum allowable content of lead (Pb), mercury (Hg), hexavalent chromium (Cr6+), polybrominated biphenyl (PBB), and polybrominated diphenyl ether (PBDE) in the RoHS Directive … 2021/11/2 15:34:26 873
High-speed signal board PCB design optimization solution With the pursuit of higher performance of electronic products, semiconductor technology continues to develop, the signal operating frequency continues to increase, and the rise or fall time of the signal is thus continuously shortened, resulting in si… 2021/11/2 15:32:11 856
The difference between printed gold plate and gold plating Printed board manufacturers have a lot of surface treatments when they produce PCB boards. What is the difference between your science and gold plating? 1. When printed circuit board manufacturers produce PCB circuit boards, the crystal structure … 2021/11/2 15:29:44 890
Leading copper foil companies raise product prices, market demand is expected to gradually pick up Following the increase in the price of copper clad laminates in early November After that, on November 20, Kingboard issued another copper foil price increase letter. As a leader in the industry, Kingboard has raised its copper foil quotation or has a… 2021/7/29 20:16:09 905

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