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Implanted ceramic case with enhanced ceramic case strength

  • US 6,411,854 B1
  • Filed: 07/14/1999
  • Issued: 06/25/2002
  • Est. Priority Date: 04/30/1998
  • Status: Expired due to Fees
First Claim
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1. An implantable medical device comprising a case having walls with an open end, and components housed within the case, wherein the components are configured to carry out a desired function, the medical device further comprising:

  • a cavity within the case;

    a potting material within the cavity and essentially filling the cavity;

    a substrate assembly embedded within the potting material within the cavity, the substrate assembly carrying the components of the device; and

    a header attached to the substrate assembly that hermetically closes the open end of the case;

    wherein the potting material supports the walls of the case and helps prevent the walls from collapsing under a mechanical stress or impact load; and

    wherein the potting material comprises a curable potting material that cures at an elevated temperature >

    100°

    C.

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