Item	Rigid PCB	Flexible PCB	Rigid -Flex PCB
Max layer	40L	8L	36L
Inner layer Min trace / space	3/3mil	3/3mil	3/3mil
Outer layer Min trace / space	3/3mil	3.5/4mil	3.5/4mil
Inner layer Max copper	6OZ	2OZ	6OZ
Inner layer Max copper	6OZ	2OZ	3OZ
Min mechanical drilling	0.15mm	0.1mm	0.15mm
Min laser drilling	0.1mm	0.1mm	0.1mm
Max aspect ratio ( mechanical drilling )	20:01	10:01	12:01
Max aspect ratio ( laser drilling )	1:01	/	1:01
Press fit hole tolerance	±0.05mm	±0.05mm	±0.05mm
PTH tolerance	±0.075mm	±0.075mm	±0.075mm
NPTH tolerance	±0.05mm	±0.05mm	±0.05mm
Countersink tolerance	±0.15mm	±0.15mm	±0.15mm
Board thickness	0.4-8mm	0.1-0.5mm	0.4-3mm
Board thickness tolerance ( <1.0mm )	±0.1mm	±0.05mm	±0.1mm
Board thickness tolerance ( ≥1.0mm )	±10%	/	±10%
Min board size	10*10mm	5*10mm	10*10mm
Max board size	22.5*30 inch	9*14 inch	22.5*30 inch
Contour tolerance	±0.1mm	±0.05mm	±0.1mm
Min BGA	7mil	7mil	7mil
Min SMT	7*10mil	7*10mil	7*10mil
Surface treatment	ENIG,GoldFinger, Immersion Silver, Immersion Tin, HASL(LF),OSP,ENEPIG, Flash Gold;Hard gold	ENIG,GoldFinger, Immersion Silver, ImmersionTin, HASL(LF),OSP,ENEPIG, Flash Gold;Hard gold	ENIG,Gold Finger, Immersion Silver, Immersion Tin, HASL(LF), OSP, ENEPIG, Flash Gold;Hard gold
Solder mask	Green,Black,Blue,Red, Matt Green	Green Solder Mask/ Black PI/Yellow PI	Green,Black,Blue,Red, Matt Green
Min solder mask clearance	1.5mil	3mil	1.5mil
Min solder mask dam	3mil	8mil	3mil
Min legend width / height	4/23mil	4/23mil	4/23mil
Strain fillet width	/	1.5±0.5mm	1.5±0.5mm
Bow & twist	0.30%	/	0.05%

PCB lead time	Layer	Quick turn (hours)	Usual time (days)	Mass production (days)
	2L	24	4-5	8-10
	4L	48	6-7	10-12
	6L	72	7-8	12-14
	8L	72	8-10	16-18
	10L	96	18-20	18-20

Shipment

 
1. Regarding normal orders, we send by international express: FedEx, UPS, DHL, TNT, etc.2. Regarding large order,we can send by air or sea transportation.
 
3. If you have a forwarder in China,we can contact them and send goods to your requested address.
 
FAQ
1. Are you a factory or a trading company?
 
 We are a factory located in Hangzhou,China.Welcome to visit our factory any time.
 
 2. What type of service do you provide?
 
 we provide turnkey solution including PCB design,PCB manufacture,PCB assembly,
function test,PCB clone,components sourcing.
 
 3. What is your minimum order quantity?
 
 1 piece is ok.
 
 4. For PCB assembly quotation,What files are needed?
 
 PCB files(Gerber), BOM list, XY Data(pick-N-place).
 
 5. For PCB quotation,what kind of file format could be ok?
 
 Gerber,Protel 99SE,DXP,PADS 9.5,AUTOCAD,CAM350.
 
 6. What methods have been taken for PCB quality control?
 
 AOI,Fly probe testing,Text fixture testing,FQC etc.
 
 7. What methods have been taken for PCB assembly quality control?
 
 SPI,AOI,X-RAY,FQC

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