TREA

Barbara J. Sapjeta

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  • Parsippany, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Etching of copper-containing devices
    • Patent number 5,620,558
    • Issue date Apr 15, 1997
    • Lucent Technologies Inc.
    • Karrie J. Hanson
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for etching titanium at a controllable rate
    • Patent number 5,376,236
    • Issue date Dec 27, 1994
    • AT&T Corp.
    • Karrie Jo Hanson
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Etching of copper-containing devices
    • Patent number 5,298,117
    • Issue date Mar 29, 1994
    • AT&T Bell Laboratories
    • Karrie J. Hanson
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...