EP1281175A4 - Optisches informationsmedium - Google Patents

Optisches informationsmedium

Info

Publication number
EP1281175A4
EP1281175A4 EP01930455A EP01930455A EP1281175A4 EP 1281175 A4 EP1281175 A4 EP 1281175A4 EP 01930455 A EP01930455 A EP 01930455A EP 01930455 A EP01930455 A EP 01930455A EP 1281175 A4 EP1281175 A4 EP 1281175A4
Authority
EP
European Patent Office
Prior art keywords
optical information
information medium
medium
optical
information
Prior art date
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Withdrawn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
EP01930455A
Other languages
English (en)
French (fr)
Other versions
EP1281175A2 (de
Inventor
Tokuyuki Honda
Mark E Mcdonald
Michael V Morelli
Andrew J Daiber
Sanjoy Ghose
Lambertus Hesselink
Shunichi Nishimura
Sergei Sochava
Jiro Yoshinari
Takuya Tsukagoshi
Hideki Hirata
Naoki Hayashida
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
Research Investment Network Inc
Original Assignee
TDK Corp
Research Investment Network 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.)
Filing date
Publication date
Priority claimed from US09/549,075 external-priority patent/US6574174B1/en
Application filed by TDK Corp, Research Investment Network Inc filed Critical TDK Corp
Priority claimed from PCT/US2001/011359 external-priority patent/WO2001078068A2/en
Publication of EP1281175A2 publication Critical patent/EP1281175A2/de
Publication of EP1281175A4 publication Critical patent/EP1281175A4/de
Withdrawn legal-status Critical Current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
EP01930455A 2000-04-07 2001-04-05 Optisches informationsmedium Withdrawn EP1281175A4 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US19572000P 2000-04-07 2000-04-07
US957720P 2000-04-07
US549075 2000-04-15
US09/549,075 US6574174B1 (en) 2000-04-15 2000-04-15 Optical data storage system with multiple layer media
PCT/US2001/011359 WO2001078068A2 (en) 2000-04-07 2001-04-05 Optical information medium

Publications (2)

Publication Number Publication Date
EP1281175A2 EP1281175A2 (de) 2003-02-05
EP1281175A4 true EP1281175A4 (de) 2007-01-17

Family

ID=27069001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01930455A Withdrawn EP1281175A4 (de) 2000-04-07 2001-04-05 Optisches informationsmedium

Country Status (1)

Country Link
EP (1) EP1281175A4 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666344A (en) * 1991-06-04 1997-09-09 International Business Machines Corporation Multiple data surface optical data storage system
JP2796288B2 (ja) * 1987-01-30 1998-09-10 株式会社日立製作所 記録媒体、その光再生方法及び光再生装置
GB2323205A (en) * 1997-03-12 1998-09-16 Sharp Kk Multilayer optical data storage device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2796288B2 (ja) * 1987-01-30 1998-09-10 株式会社日立製作所 記録媒体、その光再生方法及び光再生装置
US5666344A (en) * 1991-06-04 1997-09-09 International Business Machines Corporation Multiple data surface optical data storage system
GB2323205A (en) * 1997-03-12 1998-09-16 Sharp Kk Multilayer optical data storage device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0178068A3 *

Also Published As

Publication number Publication date
EP1281175A2 (de) 2003-02-05

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Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20021016

AK Designated contracting states

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HAYASHIDA, NAOKI,TECHNICAL CENTER-1,

Inventor name: HIRATA, HIDEKI,TECHNICAL CENTER-1,

Inventor name: TSUKAGOSHI, TAKUYA,TECHNICAL CENTER-1,

Inventor name: YOSHINARI, JIRO,TECHNICAL CENTER-1

Inventor name: SOCHAVA, SERGEI

Inventor name: NISHIMURA, SHUNICHI

Inventor name: HESSELINK, LAMBERTUS

Inventor name: GHOSE, SANJOY

Inventor name: DAIBER, ANDREW, J.

Inventor name: MORELLI, MICHAEL, V.

Inventor name: MCDONALD, MARK, E.

Inventor name: HONDA, TOKUYUKI

Inventor name: AOI, TOSHIKI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HAYASHIDA, NAOKI,TECHNICAL CENTER-1,

Inventor name: HIRATA, HIDEKI,TECHNICAL CENTER-1,

Inventor name: TSUKAGOSHI, TAKUYA,TECHNICAL CENTER-1,

Inventor name: YOSHINARI, JIRO,TECHNICAL CENTER-1

Inventor name: SOCHAVA, SERGEI

Inventor name: NISHIMURA, SHUNICHI

Inventor name: HESSELINK, LAMBERTUS

Inventor name: GHOSE, SANJOY

Inventor name: DAIBER, ANDREW, J.

Inventor name: MORELLI, MICHAEL, V.

Inventor name: MCDONALD, MARK, E.

Inventor name: HONDA, TOKUYUKI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: RESEARCH INVESTMENT NETWORK, INC

Owner name: TDK CORPORATION

RIC1 Information provided on ipc code assigned before grant

Ipc: G11B 7/24 20060101AFI20061130BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20061218

17Q First examination report despatched

Effective date: 20070514

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

18D Application deemed to be withdrawn

Effective date: 20071124