Technetters,
     
     IPC-TM-650 2.5.6 is for Rigid Printed Wiring Material and not for FPC,
      I guess. And ASTM D149,noted as one of Applicable documents, seems to
      define only the concept of measuring.(Although I am afraid my 
     referenced D149-81 version is too old!)
      Does anybody suggest me the practical measurement method defined in 
     any standards,besides JIS, on the  Dielectric Breakdown Voltage of 
     FPC?
     
     Best Regards,
     
     Toru Koizumi,Fujikura Ltd.
     [log in to unmask]
     
      

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