OEM China high quality heavy copper 3oz to 10oz per FT2 external and inner layers
Heavy copper PCB is also known as thick bobby PCB, in which there are 3 ounces (oz) of bull or further on the internal and external layers of a published circuit board. https://www.ymspcb.com/oem-china-china-high-quality-heavy-copper-board.html Parameters Layers 10L 4OZ Heavy bull PCB Base MaterialS1170 Thickness2.5 mm Min. Hole :0.25 mm Minimum Line Width/ Clearance :0.25 mm/0.25 mm Minimum Concurrence between Inner Caste PTH and Line :0.2 mm Size :107.61 mm ×107.6 mm Aspect Rate : 10 1 Face treatment : Hard Gold plating Face bull ≧ 4OZ Thing Full Body hard gold plating, finished Bobby Consistence 4 OZ Applicationspower electronic bias No matter new consumer or outdated paperback, We believe in lengthy expression and trusted relationship for OEM China China High Quality Flex PCB Board/ FPC Board/ Rigid Flex Board, Our service generality is honesty, aggressive, realistic and invention. With your support, we will grow ...