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Microelectronic structures including semiconductor islands

  • US 5,872,415 A
  • Filed: 08/16/1996
  • Issued: 02/16/1999
  • Est. Priority Date: 08/16/1996
  • Status: Expired due to Fees
First Claim
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1. A microelectronic structure comprising:

  • a substrate;

    a semiconductor island on said substrate, said semiconductor island comprising a first semiconductor material and having a planar island surface opposite said substrate;

    a filler material on said substrate and surrounding said semiconductor island, said filler material comprising a layer of a second semiconductor material having a planar single crystal surface adjacent said planar island surface opposite said substrate so that said planar island surface and said planar single crystal surface together define a smooth planar surface;

    a microelectronic circuit on said filler material adjacent said semiconductor island; and

    a layer of a piezoelectric material on said semicondcutor island;

    wherein said first semiconductor material comprises diamond.

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