FR4FR is for “Flame Retardant”. As a printed circuit board is made to work with electricity, it is supposed to resist heat. FR4 has a much better heat resistance than FR1/XPC thanks to a different com
Today we start our production from 1L to 6L,here our capability will be shown.Layers:1L,2L,4L,6LMin Line/Space:3/3mil(0.076mm)TG:Tg135/150/170FR4、CEM-1、MajorCCL:&nb