AU2002344493A1 - Multilevel optical recording medium - Google Patents

Multilevel optical recording medium

Info

Publication number: AU2002344493A1
Authority: AU; Australia
Prior art keywords: recording medium; optical recording; multilevel optical; multilevel; medium
Prior art date: 2001-11-13
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.): Abandoned

Application number

AU2002344493A

Inventor

Hiroyuki Arioka

Narutoshi Fukuzawa

Takashi Horai

Motohiro Inoue

Hiroshi Take

Syuji Tsukamoto

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.)

TDK Corp

Original Assignee

TDK Corp

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.)

2001-11-13

Filing date

2002-11-12

Publication date

2003-06-10

2002-11-12 Application filed by TDK Corp filed Critical TDK Corp

2003-06-10 Publication of AU2002344493A1 publication Critical patent/AU2002344493A1/en

Status Abandoned 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits

AU2002344493A 2001-11-13 2002-11-12 Multilevel optical recording medium Abandoned AU2002344493A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2001347052A JP2003151172A (en)	2001-11-13	2001-11-13	Multilevel optical recording medium
JP2001-347052		2001-11-13
PCT/JP2002/011775 WO2003044787A1 (en)	2001-11-13	2002-11-12	Multilevel optical recording medium

Publications (1)

Publication Number	Publication Date
AU2002344493A1 true AU2002344493A1 (en)	2003-06-10

Family

ID=19160115

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2002344493A Abandoned AU2002344493A1 (en)	2001-11-13	2002-11-12	Multilevel optical recording medium

Country Status (4)

Country	Link
JP (1)	JP2003151172A (en)
AU (1)	AU2002344493A1 (en)
TW (1)	TW200300254A (en)
WO (1)	WO2003044787A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0264932A (en) *	1988-08-30	1990-03-05	Toshiba Corp	Information recording medium, information recorder using this medium and information recording method
JPH08124167A (en) *	1994-10-19	1996-05-17	Hitachi Ltd	Method for recording and reproducing optical information and device therefor
JP2001184649A (en) *	1999-10-14	2001-07-06	Tdk Corp	Optical recording system and optical recording medium

2001
- 2001-11-13 JP JP2001347052A patent/JP2003151172A/en not_active Withdrawn
2002
- 2002-11-12 WO PCT/JP2002/011775 patent/WO2003044787A1/en active Application Filing
- 2002-11-12 AU AU2002344493A patent/AU2002344493A1/en not_active Abandoned
- 2002-11-13 TW TW091133286A patent/TW200300254A/en unknown

Also Published As

Publication number	Publication date
TW200300254A (en)	2003-05-16
JP2003151172A (en)	2003-05-23
WO2003044787A1 (en)	2003-05-30

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Legal Events

Date	Code	Title	Description
2004-07-29	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase