PCBA 4 layers 6 layers 8 layers HDI buried blind vias hole pcb multilayer PCB circuit board

Company Capability
Layers	1-40 layers
Copper Thickness	0.5-6 OZ
Material	FR4(Shengyi China,ITEQ,KB A+,HZ),HI-TG, FR06,Rogers, Taconic,Argon, Nalco,Isola and so on
Solder Mask	green, yellow,white, blue,black,red
Finished Surface	conventional hasl, lead free hasl, immersion gold, immersion tin,immersion silver, hard gold, OSP...
Silkscreen color	white,black
Products Type	HF(High-Frequency)&(Radio Frenquency)board,impendance controlled board, HDI board,BGA&Fine pitch board
Minimum line width/gap	3.5/4mil(laser drill)
Minimum hole size	0.15mm(mechanical drill)/4mil(laser drill)
Minimum Annlar Ring	4mil
Max Copper thickness	6OZ
Min Solder Mask Bridge	0.08mm
Plugging Vias capability	0.2-0.8mm

label: PCBA 4 layers 6 layers 8 layers HDI buried blind vias hole pcb multilayer PCB circuit board