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Item
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Standard Capability
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Advanced Capability
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Remark
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Material
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Material
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Shengyi FR-4/Kingboard CEM-1/aluminum
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/
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TG
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Shengyi TG140°，
kingboard TG>130° |
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Heat Conductivity for Alu. boards
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1.0
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CTI
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Class 3（CTI≥175V）
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/
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Specification
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Surface finish
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HASL, immersion gold, OSP
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/
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HASL is not acceptable for 0.4mm board
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Layers
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1-6
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/
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Finished Board thickness
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0.6-2.0mm
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0.4mm or 2.4mm
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1-2 layers :0.4-2.4MM;
4layers :0.8-2.4MM; 6layers :1.2-2.4MM . |
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Thickness Tolerance
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T≥1.0mm
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±10%
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±8%
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T<1.0mm
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±0.1mm
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±10%
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Finished Copper thickness
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1OZ(35um)/2OZ(70um)
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/
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2-6 layers :1oz;2oz;
1-layer :1oz |
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finished inner copper thickness
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1OZ(≥1.2mil)
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/
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Inner copper thickness
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Bow and twist
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Per cater-corner length，≤0.75%
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/
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For boards without SMT, the max. 1.5%
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Drill
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PTH deviation
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±3mil
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±2mil
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NPTH deviation
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±2mil
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±1mil
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Hole Position Deviation
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±3mil
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/
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Hole wall roughness（Max.）
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1.5mil
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1mil
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Min. drilling bit diameter
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0.3mm
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0.25mm
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Max. drilling bit diameter
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6.5mm
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/
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For vias larger than 6.5mm,multiple drilling or milling is recommended
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Min. slot width
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0.6mm
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/
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For HASL, the min. finished slot width is 0.45mm，for other surface finish, it is 0.5mm
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Board thickness/via diameter
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≤6：1
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≤7：1
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7：1≤value≥6：1，add one more day for fabrication
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PTH deviation
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width
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±4mil
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/
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length
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±5mil
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/
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NPTH deviation
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width
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±3mil
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/
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length
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±4mil
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/
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Hole wall copper thickness
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Thinnest
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≥0.71mil
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≥1mil
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average
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≥0.8mi
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≥1mil
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VIA space (same net)
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≥8mil
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≥6mil
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VIA space (different net)
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≥17mil
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≥14mil
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Min. space for component vias in different net
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≥24mil
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≥20mil
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Max. PTH
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Round hole
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8mm
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10mm
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Slot holes
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6*10mm
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8*12mm
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Trace
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Min. trace width/space
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1OZ
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6/6mil
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5/5mil
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The space refers to the distance between trace to trace, trace to copper
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2OZ
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8/8mil
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7/7mil
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Min.SMD width
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1OZ
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≥10mil
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≥8mil
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2OZ
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≥12mil
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≥10mil
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Space between pad to trace
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1OZ
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8mil
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6mil
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2OZ
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8mil
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6mil
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Min. etching letters
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≥8mil
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≥7mil
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Min. space for SMD
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≥10mil
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/
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The data is the min. space to achieve solder mask bridge, if bridge is not required,pls refer to the min. trace space requirement
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V-Cut line to copper
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T≥1.5mm，V-cut20°
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20mil
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16mil
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T≤1.2mm，V-cut 20°
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16mil
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12mil
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Trace width/space deviation
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±20%
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±15%
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trace net grids
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12/12mil
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8/8mil
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alignment accuracy for layer
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±3mil
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±2mil
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Space between trace and border
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Inner layer
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≥16mil
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≥12mil
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If there is V-cut requirement, pls follow the V-cut standards
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Outer layer
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≥10mil
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≥8mil
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space between via to trace
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≥12mil
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≥10mil
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space between inner via to trace
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≥10mil
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≥8mil
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Solder mask
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Solder oil thickness
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trace interface
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0.4-0.8mil
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/
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trace corner
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≥0.2mil
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/
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plugged via diameter
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Plugged on both sides
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≤0.45mm
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0.5-0.55mm
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no solder mask opening on both sides
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Plumpness for plugged vias（Max.）
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100%(孔≤0.4)
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50%(孔≤0.45)
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refer to plugged depth
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Space between opening to trace/copper
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≥4mil
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≥3mil
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opening size(single side)
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≥3mil
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≥2mil
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text width for solder mask opening
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≥10mil
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≥8mil
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solder mask bridge width
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green、blue≥4mil，white、black≥6mil，others≥5mil
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Silkscreen
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silkscreen width
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positive text
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≥6mil
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5mil
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negative text
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≥8mil
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≥6mil
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silkscreen height
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≥40mil
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≥30mil
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space between silkscreen to copper pad
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≥7mil
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6mil
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the distance between solder mask oil to copper pad
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≥10mil
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8mil
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the min. solder mask oil strip is 5mil
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space between silkscreen to border
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≥8mil
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6mil
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min. silkscreen space
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≥6mil
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5mil
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Surface finish
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OSP
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Min. dimension
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50*50mm
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/
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film thickness
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0.2-0.5um
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/
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Hot Air Leveling
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Tin thickness
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2.5-30um
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/
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the usual tin thickness on pad is no less than 2.5um, for big tin area, it should be no less than 1um
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Immersion gold
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Gold thickness
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1-2U"
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/
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Nickel thickness
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120-200U"
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/
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V-CUT
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Min. dimension
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80*80mm
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/
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only for V-cut with one direction, the min. size is 40mm for the side without V-cut
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Max. dimension
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500*500mm
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Max. width for manual V-cut board is 500mm, not limited for length
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Min. board thickness
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0.6mm
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/
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No V-cut for 0.4mm board
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V-CUT angle
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20°/30°
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/
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alignment accuracy for neighbouring v-cut
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±0.1mm
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/
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space for two v-cut lines
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≥3mm
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/
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space between border to first V-cut line
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≥3mm
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/
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remaining board thickness after V-cut
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1/3 or 1/4 of board thickness
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/
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min. remaining thickness 0.25mm
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remaining board thickness deviation after V-cut
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±0.1mm
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/
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Profiling
|
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CNC routing deviation
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±0.15mm
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±0.10mm
|
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CNC the distance deviation between via to border
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±0.13mm
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±0.10mm
|
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min. slot width
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0.8mm
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/
|
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CNC min.via corner angle for routing
|
0.4mm
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/
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Min. PCB dimension
|
5*5mm
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Min. 3mm for one side
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Shijiazhuang Linke Electronics Tech Co.,Ltd
Tel: +86-13603214393
Email: [email protected]
Add: Room 1517,Building A,Lecheng Business Plaza,Huai'an west road,Qiaoxi district, Shijiazhuang City,Hebei Province,China.