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Highly thermally conductive yet highly comformable alumina filled composition and method of making the same

  • US 5,929,138 A
  • Filed: 11/05/1996
  • Issued: 07/27/1999
  • Est. Priority Date: 11/05/1996
  • Status: Expired due to Term
First Claim
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1. A method of making a thermally conductive and conformable composition, comprising the steps of:

  • (a) providing 100 parts by weight of a gel; and

    (b) combining the gel with between 150 and 400 parts by weight of α

    -alumina, wherein at least 10 per cent by weight of the α

    -alumina has a particle size of at least 74 μ

    m, to form a combination of the gel material and the α

    -alumina; and

    (c) mixing the combination with a specific energy input of at least 10 Joule/g to make the thermally conductive and conformable composition.

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