printed circuit board and SMT Final Assembly

printed circuit board 1.Made in China 2..experience8 years 2.certificate:ISO9001 3.Lead time:3-7 working days

SMT keypad Print circuit board

1.Certificate:ISO9001

2. Good Quality: UL, SGS Test, RoHS Certification,3.1-12 layer:FR-4, Alu,Rog 4.Short lead time 5.Hot product

 

ITEMS		Our  PCB  Parameters
		Single side	Double side	Multi layers
layers		1	2	4~12
copper thickness		1~2oz	0.5~10oz	0.5~6oz
material thickness		0.8~3.0mm	0.2~3.2mm	0.35~3.2mm
flammbility rating		94V-0	94V-0	94V-0
peel  strength		10.4n/cm	12.3n/cm	12.3n/cm
warp and twist		0.02%	≤0.5-0.75%	≤0.5-0.75%
insulation resister		≥5MΩ	≥5MΩ	≥5MΩ
test voltage		50~100DCV	300DCV	300DCV
finished board area		400×500mm	500×600mm	500×600mm
Min line width&spacing		0.20/0.20mm	0.10/0.10mm	0.10/0.10mm
Hole wall copper thickness		/	≥20.0um	≥25.4um
Minimum annul ring	outer	≥0.1mm	0.10/0.10mm	0.10/0.10mm
Min.Diameter		0.60mm	0.2mm	0.15mm
PTH		0.60mm	0.076mm	0.076mm
Hole diam tolerance	NPTH	0.076mm	0.05mm	0.05mm
hole position  tolerance		0.076mm	0.076mm	0.05mm
Routing		±0.15mm	±0.127mm	±0.127mm
Out-lay tolerance	punching	±0.15mm	±0.127mm	±0.127mm
solder mask bridge		≥8 mil	≥3 mil	≥3 mil
solder mask hardness		6H	6H	6H
surface plating		Carbon ink,Peelable S/M,HASL(lead free),Immersion silver/tin,
Color		Green ,yellow, blue ,red black and so on
Materail		FR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg,High CTI,CEM-1,CEM-3 etc.

printed circuit board and SMT Final Assembly