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 　　Heavy copper PCB is also known as thick copper 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/10-layer-4oz-high-tg-hard-gold-bga-board-yms-pcb.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 　　What is Heavy bull PCB? 　　Heavy bull PCB products are considerably used in power electronic outfit and powerforcesystem.The fresh bull PCB viscosity enables the board to conduct a advanced current, achieve good thermal distribution and apply complex switches in a limited space. 　　This unique type of thick bull PCB...

 　 Heavy copper PCB is also known as thick copper 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/10-layer-4oz-high-tg-hard-gold-bga-board-yms-pcb.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 　　What is Heavy bull PCB? 　　Heavy Bull PCB products are considerably used in power electronic outfit and powerforcesystem.The fresh bull PCB viscosity enables the board to conduct a advanced current, achieve good thermal distribution and apply complex switches in a limited space. 　　Thi...