EP 1328934 A2 20030723 - OPTICAL STORAGE MEDIUM
Title (en)
OPTICAL STORAGE MEDIUM
Title (de)
OPTISCHER AUFZEICHNUNGSTRÄGER
Title (fr)
SUPPORT DE STOCKAGE OPTIQUE
Publication
Application
Priority
- EP 01981840 A 20011009
- EP 00123082 A 20001024
- US 0142584 W 20011009
Abstract (en)
[origin: EP1202261A1] Optical storage medium from which information can be read out and/or into which information can be recorded with a light beam (6), said optical storage medium comprising one or more base members (1) bearing on the side of the base members (1) on which the light beam (6) is incident, one or more information storage layers (3), at least one light-transmissive cover film (5) and one or more light-transmissive adhesive layers (4) bonding said cover films (5) to each other, to the surface (2) of the base members (1) on which the light beam (6) is incident and/or to one or more information storage layers (3), said cover films (5) being extruded and exhibiting a vertical birefringence of less than 0.001 at 20 DEG C at least at the wavelength or wavelength spectrum, respectively, of said light beam (6). <IMAGE>
IPC 1-7
IPC 8 full level
B29C 48/08 (2019.01); G11B 7/254 (2006.01); G11B 7/2542 (2013.01); G11B 7/256 (2006.01); G11B 7/26 (2006.01); G11B 7/243 (2006.01); G11B 7/2433 (2013.01); G11B 7/257 (2013.01); G11B 7/258 (2006.01); G11B 7/2585 (2013.01)
CPC (source: EP KR)
B29C 48/08 (2019.01 - EP); B29C 48/9135 (2019.01 - EP); G11B 7/252 (2013.01 - KR); G11B 7/2542 (2013.01 - EP); G11B 7/256 (2013.01 - EP); G11B 7/26 (2013.01 - KR); B29C 48/914 (2019.01 - EP); G11B 7/2433 (2013.01 - EP); G11B 7/2585 (2013.01 - EP); G11B 2007/25706 (2013.01 - EP); G11B 2007/2571 (2013.01 - EP); G11B 2007/25715 (2013.01 - EP); G11B 2007/25716 (2013.01 - EP)
Citation (search report)
See references of WO 0235526A2
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1202261 A1 20020502; AU 1345702 A 20020506; CN 1698108 A 20051116; EP 1328934 A2 20030723; JP 2004512625 A 20040422; KR 20030051733 A 20030625; MX PA03003470 A 20040212; WO 0235526 A2 20020502; WO 0235526 A3 20020718
DOCDB simple family (application)
EP 00123082 A 20001024; AU 1345702 A 20011009; CN 01817664 A 20011009; EP 01981840 A 20011009; JP 2002538425 A 20011009; KR 20037005610 A 20030423; MX PA03003470 A 20011009; US 0142584 W 20011009