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Assembly of silicon parts bonded together with a silicon and silica composite

  • US 8,268,448 B2
  • Filed: 01/11/2010
  • Issued: 09/18/2012
  • Est. Priority Date: 04/23/2003
  • Status: Expired due to Term
First Claim
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1. A joined silicon assembly, comprising:

  • at least two silicon-based parts juxtaposed across respective pairs of joining areas separated by a respective gap of about 50 μ

    m or more; and

    a composite bridging interior portions of the gap, adhering the at least two silicon-based parts together, and comprising a plurality of silicon crystallites having at least interiors consisting essentially of silicon and embedded in a matrix of silica, where the parts are capable of being free standing when not adhered together by the composite;

    wherein the diameter of the plurality of silicon crystallites is less than the size of the respective gap.

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