EP1419503A4 - Multilayer optical disc - Google Patents

Multilayer optical disc

Info

Publication number: EP1419503A4
Authority: EP; European Patent Office
Prior art keywords: optical disc; multilayer optical; multilayer; disc; optical
Prior art date: 2001-07-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP02756425A

Other languages

German (de)

French (fr)

Other versions

EP1419503A1 (en

Inventor

Iosif Diskine

Mihail Kvasha

Eugene Levich

Alexey Lezhnev

Jacob Malkin

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

D Data Inc

Original Assignee

D Data Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2001-07-12

Filing date

2002-07-12

Publication date

2008-03-26

2002-07-12 Application filed by D Data Inc filed Critical D Data Inc

2004-05-19 Publication of EP1419503A1 publication Critical patent/EP1419503A1/en

2008-03-26 Publication of EP1419503A4 publication Critical patent/EP1419503A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated recording layers
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24062—Reflective layers
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track

EP02756425A 2001-07-12 2002-07-12 Multilayer optical disc Withdrawn EP1419503A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US30441601P	2001-07-12	2001-07-12
US304416P		2001-07-12
PCT/US2002/021825 WO2003007297A1 (en)	2001-07-12	2002-07-12	Multilayer optical disc

Publications (2)

Publication Number	Publication Date
EP1419503A1 EP1419503A1 (en)	2004-05-19
EP1419503A4 true EP1419503A4 (en)	2008-03-26

Family

ID=23176422

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02756425A Withdrawn EP1419503A4 (en)	2001-07-12	2002-07-12	Multilayer optical disc

Country Status (5)

Country	Link
EP (1)	EP1419503A4 (en)
JP (1)	JP2004535646A (en)
KR (1)	KR20040054660A (en)
CN (1)	CN1602524A (en)
WO (1)	WO2003007297A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2718930B1 (en)	2011-06-09	2017-05-24	Case Western Reserve University	Optical information storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4219704A (en) *	1974-10-21	1980-08-26	Eli S. Jacobs	Record playback apparatus for optical data records
JPH01171135A (en) *	1987-12-25	1989-07-06	Sharp Corp	Optical memory element
JPH05234145A (en) *	1992-02-18	1993-09-10	Brother Ind Ltd	Optical recording medium and substrate for optical recording medium
US5455818A (en) *	1992-01-22	1995-10-03	Brother Kogyo Kabushiki Kaisha	Optical recording medium
EP0936606A2 (en) *	1998-02-13	1999-08-18	International Business Machines Corporation	A laser-writable information recording blank
US6039898A (en) *	1997-05-08	2000-03-21	O.M.D. Optical Memory Devices, Ltd.	Optical memory device and a method for manufacturing thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH09326136A (en) *	1996-06-05	1997-12-16	Sony Corp	Optical recording medium and its production

2002
- 2002-07-12 JP JP2003512977A patent/JP2004535646A/en active Pending
- 2002-07-12 CN CNA028172965A patent/CN1602524A/en active Pending
- 2002-07-12 KR KR10-2004-7000448A patent/KR20040054660A/en not_active Application Discontinuation
- 2002-07-12 WO PCT/US2002/021825 patent/WO2003007297A1/en active Application Filing
- 2002-07-12 EP EP02756425A patent/EP1419503A4/en not_active Withdrawn

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4219704A (en) *	1974-10-21	1980-08-26	Eli S. Jacobs	Record playback apparatus for optical data records
JPH01171135A (en) *	1987-12-25	1989-07-06	Sharp Corp	Optical memory element
US5455818A (en) *	1992-01-22	1995-10-03	Brother Kogyo Kabushiki Kaisha	Optical recording medium
JPH05234145A (en) *	1992-02-18	1993-09-10	Brother Ind Ltd	Optical recording medium and substrate for optical recording medium
US6039898A (en) *	1997-05-08	2000-03-21	O.M.D. Optical Memory Devices, Ltd.	Optical memory device and a method for manufacturing thereof
EP0936606A2 (en) *	1998-02-13	1999-08-18	International Business Machines Corporation	A laser-writable information recording blank

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03007297A1 *

Also Published As

Publication number	Publication date
WO2003007297A1 (en)	2003-01-23
JP2004535646A (en)	2004-11-25
CN1602524A (en)	2005-03-30
EP1419503A1 (en)	2004-05-19
KR20040054660A (en)	2004-06-25

Legal Events

Date	Code	Title	Description
2004-04-02	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2004-05-19	17P	Request for examination filed	Effective date: 20040212
2004-05-19	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
2004-05-19	AX	Request for extension of the european patent	Extension state: AL LT LV MK RO SI
2006-02-22	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: D DATA INC.
2008-03-26	A4	Supplementary search report drawn up and despatched	Effective date: 20080221
2008-09-17	17Q	First examination report despatched	Effective date: 20080814
2009-05-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2009-06-24	18D	Application deemed to be withdrawn	Effective date: 20081230

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