PCB Prototypes

PCB Design Rules

1 & 2 layer Process	1 oz / 35um	2 oz / 70um	3 oz / 105um
Minimum trace width	7 mils	8 mils	12 mils
Minimum clearance	7 mils	8 mils	12 mils
Minimum via/hole size (specified)	12 mils	12 mils	12 mils
Minimum pad for plated hole/vias	26 mil	30 mils	34 mils
Minimum plated slot	32 mil	30 mils	28 mils
Minimum Soldermask Clearance	4 mil	4 mil	4 mil
Minimum Silkscreen Clearance	4 mil	4 mil	4 mil
Minimum Silkscreen line width	6 mils	6 mils	6 mils
Minimum board copper/edge margin	10 mils	10 mils	10 mils

Policy on hole size / slots / cutouts	Available Drill & Router bit diameter
Specified hole size will the final hole size (+/- 1 mil) Specified slot size will be the final slot (+/- 1 mil) 60 mil routing tool would be used for internal cutouts.	12 mils to 149 mils - 1 mil increment 150 mils to 250 mils - 4 mil increment Holes larger than 250 mils will be routed. Smallest router diameter - 31 mils

Available Material	FR4 Specification -
0.031" FR4 0.062" FR4 0.094" FR4 0.125" FR4	Significant part of our PCB production uses Kingboard's FR-4 . Please download this PDF Datasheet for material properties details.

Available Soldermask Colors

PCB with green Soldermask
and Hot Air Solder Levelling (HASL) surface finishing

PCB with black Soldermask
and Electroless Nickel Immersion Gold surface (ENIG) finishing

PCB with Blue Soldermask
and Electroless Nickel Immersion Gold surface (ENIG) finishing

PCB with Red Soldermask
and Organic Soldearability Preservative (OSP) surface finsihing