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PCB Capability
Standard PCB Manufacturing Capability Advanced PCB Manufacturing Capability PCB Assembly Capability

Standard PCB Manufacturing Capability

Item

Standard Capability

Advanced Capability

Remark

Material

Material

Shengyi  FR-4/Kingboard CEM-1/aluminum

/


TG

Shengyi TG140°
kingboard TG>130°

 /


Heat Conductivity  for Alu.  boards

1.0

/


CTI

Class 3CTI175V

/


Specification

Surface  finish

HASL, immersion gold, OSP

/

HASL  is not acceptable for 0.4mm board

Layers

1-6

/


 Finished  Board thickness

0.6-2.0mm

0.4mm or 2.4mm

1-2  layers :0.4-2.4MM;
4layers  :0.8-2.4MM;
6layers  :1.2-2.4MM .

Thickness  Tolerance

T≥1.0mm

±10%

±8%


T<1.0mm

±0.1mm

±10%


Finished  Copper thickness

1OZ(35um)/2OZ(70um)

/

2-6  layers :1oz;2oz;
1-layer  :1oz

finished  inner copper thickness

1OZ(1.2mil)

/

Inner  copper thickness

Bow  and twist

Per cater-corner length≤0.75%

/

For  boards without SMT, the max. 1.5%

Drill

PTH deviation

±3mil

±2mil


NPTH  deviation

±2mil

±1mil


Hole Position Deviation

±3mil

/


Hole wall roughnessMax.

1.5mil

1mil


Min.  drilling bit diameter

0.3mm

 0.25mm


Max.  drilling bit diameter

6.5mm

/

For  vias  larger than 6.5mm,multiple drilling or milling is recommended

Min.  slot width

0.6mm

/

For  HASL, the min. finished slot width is 0.45mmfor other surface finish, it is 0.5mm

Board  thickness/via diameter

≤61

≤71

71≤value≥61add  one more day for fabrication

PTH deviation

width

±4mil

/


length

±5mil

/

NPTH  deviation

width

±3mil

/


length

±4mil

/

Hole  wall copper thickness

Thinnest

≥0.71mil

≥1mil


average

≥0.8mi

1mil


VIA  space (same net)

≥8mil

≥6mil


VIA  space (different net)

≥17mil

≥14mil


Min.  space for component vias  in different net

≥24mil

≥20mil


Max. PTH

Round  hole

8mm

10mm


Slot  holes

6*10mm

8*12mm