1um (1微米)=0.001mm 1mil=0.0254mm (換算來由:1mil=1/1000inch=0.00254cm=0.0254mm) 從而得出:4mil/4mil=0.1mm/0.1mm線寬線距1mil=25.4um. 1um等于多少mm,1mil等于 ...
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