HASL four layer pcb board ,4 layer pcb board

The smallest gap width 5mil lines 6mil Minimum aperture 0.50mm thickness 0.80mm certificate:UL,ROHS,REACH,SGS OEM,ODM

HASL four layer pcb board 

Category	Item	High-volume processing capacity	Sample and small batch processing
Technology	Product Category	Single / dual panel, multilayer, high-frequency board, with buried / blind plate	Multi-material mixing pressure
	Surface Treatment	Chemical Immersion Gold, chemical Shen tin, electroless nickel deposit
		Lead-free HASL, Electroless silver, osp , Thick gold plating
Plates	Plates	FR-4, CEM3, different high-frequency substrate εr (domestic and imports), Rogers, metal plate substrates (aluminum, copper, iron), halogen-free FR-4
	Thickness range	0.15mm-3.0mm	Less than 0.4mm And  Greater than  3.0mm
	Thickness Tolerance ( t  Greater than  0.8mm)	±10%	±8%
	Thickness Tolerance ( t   Less than  0.8mm)	±12%	±10%
Level	Level	1---8	10---16
Line	Minimum line width	0.125mm	0.1mm
	Minimum spacing	0.125mm	0.1mm
	Route from the tolerance	Greater than   10%	less than    10%
Thick copper	The outer layer copper thickness	18mm-140mm(hoz-6oz)	18mm-140mm(hoz-6oz)
Aperture	Drilling diameter	less than    0.30mm	less than    0.2mm
	Pore diameter	less than    0.2mm	0.00mm--0.10mm
	Aperture tolerance	0.05mm
	Hole tolerance	0.075mm	0.050mm
	Thickness aperture ratio	10:01	12:1;16:1
Green oil	Solder Type	Photographic Ink
	Solder bridge the smallest width	0.125mm	0.010mm
	Minimum Solder isolation ring	0.05mm	0.025mm
size	Accuracy Dimension	±0.15m	±0.10mm
	Maximum size	600mmX1200mm	1200mm-2000mm
Impedance	Impedance Tolerance	±10%	±5%

HASL four layer pcb board ,4 layer pcb board