Thick copper circuit board

4-layer Thick Copper Power Board.with copper thickness 6oz inner layer and 4oz outer layer. Base material is ITEQ,FR4 IT180.  Total board thickness is 2.4 mm. Min. Hole Size 0.4 mm. surface treatment is immersion Gold 3U", Top side covered with green solder mask oil and bottom side . 100% E-test.

The industry calls the inner or outer copper thickness equal or greater than 3 oz. The thick copper circuit boards are mainly used in power supply and high power motors. we can provide 1-10 oz thick Copper circuit board.