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David Tossell

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  • Bristol, GB
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS FOR PLASMA DICING
    • Publication number 20190259640
    • Publication date Aug 22, 2019
    • Gautham Ragunathan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD OF DETECTING A CONDITION
    • Publication number 20180005837
    • Publication date Jan 4, 2018
    • SPTS TECHNOLOGIES LIMITED
    • OLIVER J ANSELL
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    APPARATUS FOR PLASMA DICING
    • Publication number 20170117166
    • Publication date Apr 27, 2017
    • SPTS TECHNOLOGIES LIMITED
    • Gautham Ragunathan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    APPARATUS FOR CHEMICALLY ETCHING A WORKPIECE
    • Publication number 20100230049
    • Publication date Sep 16, 2010
    • SPP PROCESS TECHNOLOGY SYSTEMS UK LIMITED
    • Oliver Ansell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD OF PLASMA ETCHING AND CARRIERS FOR USE IN SUCH METHODS
    • Publication number 20100187202
    • Publication date Jul 29, 2010
    • SPP PROCESS TECHNOLOGY SYSTEMS UK LIMITED
    • David Andrew Tossell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Methods and apparatus for processing wafers
    • Publication number 20060260645
    • Publication date Nov 23, 2006
    • Nicholas John Appleyard
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method of processing a workpiece
    • Publication number 20050118830
    • Publication date Jun 2, 2005
    • Nicholas John Appleyard
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrostatic clamping
    • Publication number 20030002237
    • Publication date Jan 2, 2003
    • David Andrew Tossell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method of etching a substrate
    • Publication number 20020142608
    • Publication date Oct 3, 2002
    • Mark Puttock
    • H01 - BASIC ELECTRIC ELEMENTS