shenzhen dazheng technology co., ltd

	aluminum base plate

	high-power LED aluminum base plate

	copper base plate

	plug-in aluminum base plate

	strip aluminum base plate

	double side aluminum base plate

	four-class aluminum base plate

	single-side aluminum base plate

tel：0755-29530581/2

        0755-29530580

        0755-29530584

mobile：13809885344

contact man：mr ouyang

e-mail: da-zheng@tom.com

       dazhengszx@gmail.com

web：http://www.dzpcb.com

technical specification of copper-based ccl

	us bergquist substrate	japan nrk sustrate	taiwan plain therma conductive substrate	domestic 1060 substrate	our substrate
peeling strength(n/mm）	3	3	2.2	1.8	2.2
insulation resistance（ω）	>100*10g	>10*10g	>10*10g	>1*10g	>10*10g
breakdown voltage（vdc）	6k	5.5k	5k	4k	6k
soakable soldering（℃/m）	300℃,1min,no bubble;no delamination	300℃,1min,no bubble,no delamination	300℃,1min,no bubble,no delamination	280℃,1min,no bubble,no delamination	288℃,1min,no bubble,no delamination
thermal conductivity（w/m-k）	>1.8	>1.8	>1.2	>0.8	>1.8
thermal resistance （℃/w）	<0.45	<0.45	<1	<1.2	<0.45
combustibility	fv-o	fv-o	fv-o	fv-o	fv-o
dielectric constant（1mhz）	6	6	5	4	5
dielectric loss angle(tangent)	0.02	0.02	0.02	0.03	0.02

items	technical index
product model	al substrate cu substrate
material model	domestic al imported al domestic cu imported cu
material model	a1100 a5052 a6061 a6063 c1100
surface disposal	spray tin/ chemical tin/chemical gold/osp/ immersion tin
layers	single-side al substrate / double-side al substrate /four-layer al substrate
maximum measurement	1100mm*480mm
minimum measurement	5mm*5mm
line width/space	0.1mm
warp and twist	≤0.5%(thickness:1.6mm, measurement:300mm×300mm)
processing thickness	0.3－4.5mm
copper foil thickness	35um 70um 105um 140um
molding dimension tolerance	±0.15mm
v-cut positioning accuracy	±0.1mm
processing capability	6000m²
cu thickness of inner aperture	20-25um
aperture location deviation	±0.076mm
minimum diameter of piercing	lower than1.0mm 1.0mm
minimum diameter of piercing	1.2-3.0mm 1.5mm
minimum specification of the square groove	plate thickness lower than1.0mm 0.8mm×0.8mm
minimum specification of the square groove	plate thickness 1.2-3.0mm 1.0×1.0mm
circuit printing deviation	±0.076mm
scope of molding dimension tolerance	cnc：±0.1mm punching the shape：±0.15mm
mini aperture	0.8mm not limited to the maximum aperture diameter
coating thickness	gold plating：ni 2.5-5um au 0.05-0.1um 0.025－0.075um
	immersion gold：ni 5-8um au0.08-0.1um
	spray tin 3-30um 4-30um
v－cut angle deviation	±5°
scope of v-cut plates	0.6mm-3.2mm
marking font of the smallest component	0.15mm
smallest windowing of pad	0.01mm