obsidian-notes/工具/PCB.md
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title updated created
PCB 2022-01-11 08:36:07Z 2022-01-08 13:18:07Z

==1mm=39.37mils==

JLC 丝印工艺

最小宽度6mil0.2mm最小高度1mm 50欧姆线宽常规板厚10mil0.254mm20mil0.508mm

FR4

Er=4.4板厚0.508mmW=0.93mm板厚1mmW=1.87mm板厚0.254mmW=0.45mm

RO4350

RO4003

Er=3.55板厚0.508mmW=1.1mm

7136 S1055 S1155