沉金COB电路板

产品描述

Items	Specifications
Material	aluminum base, copper base, FR-4, CEM-1
Finish Board Thickness	0.2mm-5.0 mm (8mil-197mil)
Board thickness tolerance	±0.1mm
Copper Thickness	H/0 oz, 1/0 oz, 2/0 oz, 3/0 oz; H/H oz, 1/1 oz, 2/2 oz, 3/3 oz
Numbr of Layer	single-side LED PCB, double sides LED PCB
Max finished Size	2000mm*450mm
Surface Finish	HASL(free lead), ENIG(Electroless nickel immersion gold), immersion silver, OSP
Thermal conductivity	0.6 0.8 1.0 2.0 3.0 4.0 5.0
Min line width	0.2mm(8mil)
Min line spacing	0.2mm(8mil)
Min hole diameter	0.2mm
Min pad size	1.2mm
Insulating layer thickness	50 75 100 125 150 (μm)
Solder Mask Color	White/Green/Black/Matte Black/Red/Golden Yellow
Letter Color	White/Black/Green
Hole position tolerance	±0.05mm
Metallic hole diameter tolerance	±0.076mm
Twist and bend	≤0.7%
Outline Tolerance	±0.1mm/4mil (CNC routing); ±0.15mm/6mil (tooling punching)
Shaping	V-cut, tooling punching, CNC routing,
Solder strength	>6H
Thermal Shock	280°C 10Second 3times
Flame retardant	94V-0
Testing	100% computer open/short circuit test, Impedance test, Thermal shock Test, Solderability Test, metallographic microsection analysis
File format	gerber, protel, power PCB, PADS2007, PCB doc, Auto CAD, sample