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Ultra-thin multi-layer packaging

  • US 8,313,819 B2
  • Filed: 08/11/2010
  • Issued: 11/20/2012
  • Est. Priority Date: 08/12/2009
  • Status: Active Grant
First Claim
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1. An implantable medical device comprising:

  • a plurality of components on a substrate having at least a first three-dimensional portion; and

    a biocompatible multi-layer coating applied by vapour deposition to conform to and sealingly cover at least the first portion of the components and the substrate, the coating having been applied in at least two sets, each set having at least first, second and third layers; and

    at least one of the first, second and third layers consisting essentially of a polymer and at least one of the other two layers of the set consisting essentially of inorganic material such that each layer differs in at least one diffusion barrier property from the other layers in the set and adds to an overall barrier effect of the coating.

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