METHOD FOR ETCHING ELECTRONIC COMPONENTS CONTAINING TANTALUM

Details for Australian Patent Application No. 2002306487 (hide)

Owner MATTSON TECHNOLOGY IP

Inventors VERHAVERBEKE, Steven

Pub. Number AU-A-2002306487

PCT Number PCT/US02/04299

PCT Pub. Number WO2002/068717

Priority 60/270,815 23.02.01 US; 10/074,516 13.02.02 US

Filing date 14 February 2002

Wipo publication date 12 September 2002

International Classifications

C23F 001/26 Etching metallic material by chemical means

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 60/270,815 23.02.01 US; 10/074,516 13.02.02 US

6 March 2003 Application Open to Public Inspection

  Published as AU-A-2002306487

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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