METHOD OF ETCHING A DEEP TRENCH IN A SUBSTRATE AND METHOD OF FABRICATING ON-CHIP DEVICES AND MICRO-MACHINED STRUCTURES USING SAME

Details for Australian Patent Application No. 2002257107 (hide)

Owner MEMSIC, INC.

Inventors ZHAO, Yang; HUA, Yaping

Pub. Number AU-A-2002257107

PCT Pub. Number WO2002/084707

Priority 09/833,973 12.04.01 US

Filing date 3 April 2002

Wipo publication date 28 October 2002

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002257107

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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