METHOD AND APPARATUS FOR RECORDING TO AND READING FROM A MULTI-LAYER DIFFRACTIVE OPTICS MEMORY

Details for Australian Patent Application No. 2002314079 (hide)

Owner DISCOVISION ASSOCIATES

Inventors EL HAFIDI, Idriss; GRZYMALA, Romualda; ELOUAD, Lhassan; MEYRUEIS, Patrick

Pub. Number AU-A-2002314079

PCT Number PCT/EP02/05457

PCT Pub. Number WO2003/094157

Filing date 2 May 2002

Wipo publication date 17 November 2003

International Classifications

G11B 007/0065 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

G03H 001/26 Holographic processes or apparatus using light, infra-red, or ultra-violet waves for obtaining holograms or for obtaining an image from them - Processes or apparatus specially adapted to produce multiple holograms or to obtain images from them, e.g. multicolour technique

Event Publications

2 January 2003 Complete Application Filed

8 January 2004 Application Open to Public Inspection

  Published as AU-A-2002314079

20 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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