Land Pattern and Solder Stencil
2021-02-19 11:47
Land Pattern and Solder Stencil
2021-02-19 11:48
PCB设计中，需要画焊盘文件。对于Solder Mask Layers 和Paste Mask layers这个两个层，有很多人不太理解。下面简单加以说明。Solder mask: 阻焊层,也称绿
2018-10-18 10:15
01620-90903 (May 1973) The 1620A Pattern Analyzer is a discontinued product. This manual is provided for information only.
2018-11-09 16:32
本帖最后由 cooldog123pp 于 2019-8-10 22:38 编辑 PCB层的定义：阻焊层：solder mask，是指板子上要上绿油的部分；因为它是负片输出，所以实际上
2016-02-22 12:45
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