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bob tarzwell
  • Member for 2 years, 9 months
  • Last seen more than 2 years ago
  • dmrpcb.com
  • Canada
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About

worked in printed circuits for 50 years invented many different types of circuits from high voltage > 40,000 volts to heavy copper up to 20 oz have 9 patents on pcb and 32 named assist patents, wrote hundreds of articles for pcb007 or ee wrote 42 books on pcb technologies many are available on dmrpcb.com or amazon, i will try to help on pcb questions.

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