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Single & Double sided PTH

4-6-8-10-12 Layers
Laminate thickness
  0.5, 0.8, 1.0,1.2,1.6,2.4,3.2 mm
0.8,1.2,1.6,2.4,3.2 mm
Laminate types: FR4, Polyimide, PTFE, & others, ask us to quote 18 microns 18 microns
1 oz Cu thickness 35 microns 35 microns
2 oz Cu thickness 70 microns 70 microns
3 oz Cu thickness 105 microns n/a
Copper thickness (inner-cores), start = finish thickness n/a 35 microns
Solder resist: (photo-image), green, red, blue, white ,black x 2 x 2
Legend: white, yellow x 2 x 2
Nos. of holes No limit No limit
Min finished hole size after Cu plate (0.8mm and 1.6mm laminate) 0.20mm 0.20mm
Min finished hole size after Cu plate (2.4mm laminate only) 0.30mm n/a
Min finished hole size (1.5mm thick aluminium base only) 0.60mm  n/a
Profile complexity No limit No limit
Surface Finish Immersion Silver or ENIG (Au/Ni) Immersion Silver or ENIG (Au/Ni)
Gold (electrolytic) n/a n/a
Electrical test Included (except PCB Train Express 2 lyrs) Included, all services
Min track & gap (35 micron / 1oz Cu thickness) 0.125mm 0.125mm
Min track & gap (70 micron / 2oz Cu thickness) 0.250mm n/a
Solder resist to copper pad clearance 0.125mm 0.125mm
Copper pad to hole 0.125mm 0.125mm

Copper track to copper plane clearance within a ground plane (35 micron / 1oz Cu thickness)

Copper track to copper plane clearance within a ground plane (70 micron / 2oz Cu thickness)

0.125mm  

 

0.250mm

0.125mm  

 

0.250mm
Minimum board size 10mm x 10mm 10mm x 10mm
Maximum board size 550mm x 400mm 550mm x 400mm
Mechanical No scoring.
No chamfering.
No countersinking.
No rebating.
2.0mm standard router.		 No scoring.
No chamfering.
No countersinking.
No rebating.
2.0mm standard router.

Legend text line width

Legend character height

Legend to copper pad clearance

50 micron minimum,

150 micron typical, 0.5mm minimum

50 micron minimum, 125 micron typical

50 micron minimum,

150 micron typical, 0.5mm minimum

50 micron minimum, 125 micron typical
Drill hole annular ring insulation clearance to inner layer copper (min) n/a 0.25mm min.
Mechanical edge to copper track clearance Profile tolerance 0.25mm min. +/- 0.2mm 0.25mm min. +/- 0.2mm

Dielectric constant (Dk) of FR4 cores

Dielectric constant (Dk) of FR4 prepregs

4.55

4.2

4.55

4.2
Multi-layer builds and dimensions    Multi-layer builds
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