Computer Card Board (4-layers)
Listing ID#25596
ModelNO. PCB03
CategoryCircuit Breakers

Computer Card Board (4-layers)

Specifications

Origin
SHENZHEN
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Quick answer

Computer Card Board (4-layers) is a Circuit Breakers product. Key specs — Origin: SHENZHEN.

Product Description

max panel size:27"x20"(686mm x508mm) innerlayer line width/space(min):4mil/4mil(100um/100um) min innerlayer clearance:5mil(0.13mm) min innerlayer pad:5mil(0.13mm) min core thickness:4mil(0.1mm)

min dielectric thickness:3mil(76um) thickness of inner copper:1/3oz、1/2oz、1oz、2oz(12um、17um、35um、70um) thickness of outerlayer base copper1/3oz、1/2oz、1oz、2oz(12um、17um、35um、70um) thickness of finished panel:0.40-4.0mm tolerance offinished panel thickness 1)<1.0mm ±12% 4-8 layer 2)1.0mm≤thickness of plating<2.0mm ±8% 4-8 LAYER ±10% ≥10 layer 3)thickness of plating≥2.0mm ±10% surface treating technic of innerlayer Black/brown oxidation layer number:2~18 registration of innerlayer to innerlayer:±3mil(±76um) min drilling diameter:0.25mm min diameter of finished hole :0.20mm accuracy of hole position:±2mil(±50um) tolerance of drilled slot :±3mil(±75um) tolerance of PTH diameter:±2mil(±50um) tolerance of NPTH diameter:±1mil(±25um) max A.R. of PTH :10:1

type of dielectric material:CEM3、FR-4、Tg175℃ FR-4、High CTI materials、Resistant CAF materials

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