Owner LG Electronics Inc.

Inventors Suh, Sang Woon; Kim, Jin Yong

Agent Freehills

Pub. Number AU-B-2004254437

PCT Pub. Number WO2005/004138

Priority 10-2003-0061785 04.09.03 KR; 10-2003-0045825 07.07.03 KR; 10-2003-0056540 14.08.03 KR

Filing date 5 July 2004

Wipo publication date 13 January 2005

Acceptance publication date 23 April 2009

G11B 7/24 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Record carriers characterised by the selection of the material or by the structure or form

G11B 7/0045 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

G11B 7/007 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Arrangement of the information on the record carrier, e.g. form of tracks

G11B 7/00 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power