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1. (WO2003007297) MULTILAYER OPTICAL DISC
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2003/007297 International Application No.: PCT/US2002/021825
Publication Date: 23.01.2003 International Filing Date: 12.07.2002
IPC:
G11B 7/24038 (2013.01) ,G11B 7/24062 (2013.01) ,G11B 7/26 (2006.01) ,G11B 7/007 (2006.01)
Applicants: DISKINE, Iosif[RU/RU]; RU (UsOnly)
KVASHA, Mihail[RU/RU]; RU (UsOnly)
LEVICH, Eugene[US/US]; US (UsOnly)
LEZHNEV, Alexey[RU/RU]; RU (UsOnly)
MALKIN, Jacob[IL/IL]; IL (UsOnly)
TRID STORE IP, LLC[US/US]; 805 Third Avenue 14th Floor New York, NY 10022, US (AE, AG, AL, AM, AT, AU, AZ, BA, BB, BE, BF, BG, BJ, BR, BY, BZ, CA, CF, CG, CH, CI, CM, CN, CO, CR, CU, CY, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GW, HR, HU, ID, IE, IL, IN, IS, IT, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MC, MD, MG, MK, ML, MN, MR, MW, MX, MZ, NE, NL, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, SN, SZ, TD, TG, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZM, ZW)
Inventors: DISKINE, Iosif; RU
KVASHA, Mihail; RU
LEVICH, Eugene; US
LEZHNEV, Alexey; RU
MALKIN, Jacob; IL
Agent: COHEN, Herbert; Blank Rome Comisky & McCauley 900 17th Street, N.W. Suite 1000 Washington, DC 20006, US
Priority Data:
60/304,41612.07.2001US
Title (EN) MULTILAYER OPTICAL DISC
(FR) DISQUE OPTIQUE MULTICOUCHE
Abstract: front page image
(EN) To reduce loss of the reading light, a multilayer optical disc (figure 1, disk), such as a disc in a CD or DVD format, has multiple layers (figure 1, layer) with pits or tracks and a reflective material only in the pits or tracks. The disc can be used as a ROM or WORM disc. A methods of making it are also disclosed.
(FR) Afin de réduire les pertes de lumière de lecture, un disque (figure 1, disque) optique multicouche, tel qu'un disque au format CD ou DVD, présente de multiples couches (figure 1, couche), pourvues de micro-cuvettes ou de pistes, et un matériau réfléchissant, seulement dans les micro-cuvettes ou pistes. Ce disque peut être utilisé en tant que disque de mémoire morte ou disque inscriptible une seule fois. La présente invention concerne également des procédés pour produire ce disque optique.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, 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, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)