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What is the tolerance of pcb film?
2um .Pcb film is one of the key materials in PCB production, and its functions mainly include transferring circuit patterns, protecting the surface of copper foil and improving PCB production efficiency. Made of imported film, the accuracy is 25400 dpi-50000 dpi, and the tolerance is 2 um. No matter the big end or the small end of the tolerance zone, the conductor must always be stuck in the hole, which is mainly used for PCB, LCD and LED strip light board.
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