EXPOSURE CONTROL FOR PHASE SHIFTING PHOTOLITHOGRAPHIC MASKS

Details for Australian Patent Application No. 2002349203 (hide)

Owner NUMERICAL TECHNOLOGIES, INC.

Inventors PIERRAT, Christophe; COTE, Michel, Luc

Pub. Number AU-A-2002349203

PCT Number PCT/US02/18480

PCT Pub. Number WO2002/101466

Priority 60/296,788 08.06.01 US; 60/304,142 10.07.01 US; 09/972,428 05.10.01 US

Filing date 7 June 2002

Wipo publication date 23 December 2002

International Classifications

G03F 007/00 Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 60/296,788 08.06.01 US; 60/304,142 10.07.01 US; 09/972,428 05.10.01 US

15 May 2003 Application Open to Public Inspection

  Published as AU-A-2002349203

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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