China PCBA SMT PCB Assembly

1>Ourbestsolutionservice:One Stop Service ForPCB PCBA Design,PCB Layout Design,PCB PCBA Manufacture;
Components Purchasing,PCB PCBA Assembly, Testing,packingandShipping;
PCB PCBA Copy, PCB PCBA ReverseEngineering,ICDecoding;
ElectronicDesign(schematicdesignandenclosuredesign).2>PCB and PCBA assemblyfilesrequirements:

Specification

Processcapability

Type

Single-sided,double-sided,multi-layer

Materials

FR-4,CEM-1,CEM-3,high-frequencyhalogen-free,aluminum,ironbase,copperbase

FinishBoardThickness

0.2mm-6.0mm

CoppersubstratethGPS ickness

18um,35um,70um,105um

Surface

Hasl(LF),Electrolessnickelgold,spraytin,chemicalgold,carbonoil,goldfinger,OSP,

immersiontin,immersionsilver,OSP(Entek)

Maximumsize

600mm*700mm

SolderMask

Green,Black,Blue,White,Red,Yellow

BoardWarp

Single-Sided≤1.0%Double-Sided≤0.70%plywood≤0.50%

Theminimumthickness&Tolerance

0.2mm±0.08mm

Minimumlinewidth/lineGap&Tolerance

Spraytinplate:0.1mm±20%(4mil±20%)

GoldPlate:0.076±20%(3mil±20%)

CopperfromtheEdge

0.5mm(20mil)

Holemarginlineedge

0.3mm(12mil)

Minimumaperture&Tolerance

0.2mm±0.076mm(16mil±3mil)

MinimumPitch&Tolerance

0.4mm±0.076mm(16mil±3mil)

Holecopperthickness

20-25um(0.79mil-1.0mil)

Positioningholedeviation

±0.076mm(±3mil)

ChongMinholediameter

FR-4BoardThickness1.0mm(40mil)thefollowing:1.0mm(40mil)

FR-4BoardThickness1.2-3.0mm(48-120mil):1.5mm(60mil)

MinChongFangslotspecifications

FR-4CEM-3BoardThickness1.0mm(40mil):0.8mm*0.8mm(32mil*32mil)

FR-4BoardThickness1.2-3.0mm(48-120mil):1.0mm*1.0mm(40mil*40mil)

ScreenPrintingLinebias

±0.076(±3mil)

Minpadwindow

0.076mm(±3mil)

MinimumgreenoilBridge

±0.76mm(±3mil)

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