What is New in IPC-7351C.pdf - 第15页

PC B L ibr ar i es Pr e s ents : Wh at is N ew i n IPC- 7351C I PC -7351 C Cont ou r Cour ty ar d Out l ine s Th e r e c omm e nde d c our tyar d o utl in e line wi dth s are 0. 05 m m or 0 .01 mm