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Pub. No.:    WO/2005/031728    International Application No.:    PCT/JP2004/014232
Publication Date: 07.04.2005 International Filing Date: 29.09.2004
Chapter 2 Demand Filed:    20.06.2005    
G11B 7/24038 (2013.01)
Applicants: PIONEER CORPORATION [JP/JP]; 4-1, Meguro 1-chome, Meguro-ku, Tokyo 1538654 (JP) (For All Designated States Except US).
KATO, Masahiro [JP/JP]; (JP) (For US Only).
KURODA, Kazuo [JP/JP]; (JP) (For US Only).
MURAMATSU, Eiji [JP/JP]; (JP) (For US Only).
SUZUKI, Toshio [JP/JP]; (JP) (For US Only).
TAKISHITA, Toshihiko [JP/JP]; (JP) (For US Only).
OSHIMA, Seiro [JP/JP]; (JP) (For US Only).
KONDO, Atsushi [JP/JP]; (JP) (For US Only)
Inventors: KATO, Masahiro; (JP).
KURODA, Kazuo; (JP).
SUZUKI, Toshio; (JP).
TAKISHITA, Toshihiko; (JP).
OSHIMA, Seiro; (JP).
KONDO, Atsushi; (JP)
Agent: EGAMI, Tatsuo; c/o TOKYO CENTRAL PATENT FIRM, 4th Floor, Oak Building Kyobashi, 16-10, Kyobashi 1-chome, Chuou-ku, Tokyo 1040031 (JP)
Priority Data:
2003-342282 30.09.2003 JP
(JA) 情報記録媒体
Abstract: front page image
(EN)Disclosed is an information recording medium comprising a substrate, a first recording layer which is irradiated with a recording laser light through the substrate for recording information, and a second recording layer which is irradiated with the recording laser light through the substrate and the first recording layer for recording information. The first recording layer contains such a material that it has a higher light transmittance than would be the case if it were composed of the same material as the second recording layer.
(FR)L'invention concerne un support d'enregistrement de données qui comprend un substrat, une première couche d'enregistrement qui est brûlée, à travers le substrat, par une lumière laser d'enregistrement afin d'enregistrer des données ; et une seconde couche d'enregistrement qui est brûlée, à travers le substrat et la première couche d'enregistrement, par la lumière laser d'enregistrement afin d'enregistrer des données. La première couche d'enregistrement contient une matière présentant un facteur de transmission supérieur à celui de la seconde couche d'enregistrement.
(JA) 基板と、前記基板を介して記録用のレーザ光を照射することによって情報を記録するための第1記録層と、前記レーザ光を前記基板および前記第1記録層を介して記録用のレーザ光を照射することによって情報を記録するための第2記録層とを備えており、前記第1記録層は、前記第1記録層を前記第2記録層と同一の材料から構成したと仮定した場合の光透過率に比較して、高い光透過率を持つ材料を含んでなる。
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)