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3 Oz Copper PCB

3oz copper pcb

3 Oz Copper PCB ,  105Micron    ( 4.1339 Mil   ) , When a design use 3 oz copper , We can call it heavy copper PCB .  If base copper is 3oz , then completed copper will be 4 oz, for multi-layer , Inner 3 oz , the final will be 3oz,   When do 3 oz PCB manufacturing, We need take care the solder mask , because the thick  solder mask will flow .

General Guideline for Min Spacing by Copper Weight

Cu Weight               Min Recommended Space   between Copper Features

3 OZ                                  10 mil  (0.254 mm)

As a 10 years 3 Oz Copper PCB manufacturer, RayMing have enough experience to manufacture your PCB board, Welcome to send your design to , Get quote now !

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