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Long-term packaging for the protection of implant electronics

  • US 9,781,842 B2
  • Filed: 12/27/2013
  • Issued: 10/03/2017
  • Est. Priority Date: 08/05/2013
  • Status: Active Grant
First Claim
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1. A micropackaged device, said micropackaged device comprising:

  • a device;

    a thin-film substrate for securing said device, said thin-film substrate comprising;

    a first thin-film parylene layer, which is 1-10 μ

    m thick;

    a metal adjacent to the first thin-film parylene layer;

    a second thin-film parylene layer, which is 20-60 μ

    m thick, and which is adjacent to the metal to form a thin-film metal thin-film sandwich, wherein said second layer of thin-film has an opening, said opening having at least one electrical contact provided on an internal surface thereof, said opening configured to accept at least one electrical circuit device and to provide electrical communication between said at least one electrical contact and said at least one electrical circuit device;

    a corrosion barrier affixed to said substrate with an adhesive, wherein the corrosion barrier is made of a metal, ceramic or glass, which is disposed above and below the device;

    at least one feedthrough disposed in said substrate to permit at least one input and or at least one output line into said micropackaged device; and

    an encapsulation material layer made of parylene, silicone or a combination thereof configured to encapsulate said micropackaged device, wherein said encapsulation material layer creates an enclosed housing, wherein the corrosion barrier is 30% to 99% of the total area of the interior of enclosed housing, hermetically sealing said substrate and said corrosion barrier.

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