We have about 30 PWB's (some completely assembled and coated) that need
  to have a trace interrupted on the fourth layer (this is a 12 layer
  board).  Whatever tool is used to perform the interruption (drill or end
  mill) cannot penetrate the board beyond the 5th layer.

  Does anyone know of an organization that performs this kind of service??
  Please respond via E-Mail.

  Bob Hawkins
  Manufacturing Engineeer
  EFW Inc.
  [log in to unmask]

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