Heavy Copper Guidelines
Take a look at our heavy copper capabilities and guidelines to ensure we can build your project – no matter how complex.
| Minimum (inches) | 1oz | 2oz | 4oz | 6oz | 8oz | 10oz | 12oz |
|---|---|---|---|---|---|---|---|
| Conductor Width | .005 | .005 | .006 | .007 | .008 | .009 | .010 |
| Conductor Spacing | .005 | .006 | .008 | .012 | .014 | .017 | .020 |
| Pad-Pad Spacing | .005 | .006 | .008 | .012 | .014 | .017 | .020 |
| Conductor-Pad Spacing | .005 | .006 | .008 | .012 | .014 | .017 | .020 |
| PTH Annular Ring | .006 | .006 | .008 | .009 | .011 | .013 | .014 |
| VIA Annular Ring | .006 | .006 | .008 | .009 | .011 | .013 | .014 |
| Distance Hole-Board Edge | .010 | .010 | .010 | .010 | .010 | .010 | .010 |
Additional Resources
Design
10/18/19
Copper Trace and Space: Three Factors to Consider
When it comes to creating printed circuit boards, engineers often guestimate various aspects of their ...
Design
07/14/20
Thermal Expansion Considerations
New designers tend to remove a great deal of copper from their boards. The problem ...
Fabrication
08/30/21
11 Ways to Get Your PCBs Faster
Design engineers are being asked to design and bring to market more new products in ...
Fabrication
09/02/20
Build a Better Via Stack
Build a better via stack by thinking about how your board is assembled. Cap vs. Foil ...
06/18/20
High Speed Materials
When your signal frequency approaches 10 GHz, copper roughness and fiberglass smoothness and quality come ...