Printed Wiring Board Manufacturing Advances

by John Vandersleen, R&D Manager, UPE, Inc., Richfield, Ohio, Power Electronics Technology, Sep 01 2004

Focus:
Pc boards with heavy copper traces---4 oz/ft2 to 60 oz/ft2--can handle very high current levels, have greater mechanical strength, and are better able to withstand thermal strains. They can also incorporate built-in heatsinks and planar transformers.

What you’ll learn:

• How to understand process used to manufacture heavy copper pc boards
• How to determine current carrying capacity of pc-board traces

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