DE3512715C2 - - Google Patents

Info

Publication number
DE3512715C2
DE3512715C2 DE19853512715 DE3512715A DE3512715C2 DE 3512715 C2 DE3512715 C2 DE 3512715C2 DE 19853512715 DE19853512715 DE 19853512715 DE 3512715 A DE3512715 A DE 3512715A DE 3512715 C2 DE3512715 C2 DE 3512715C2
Authority
DE
Germany
Prior art keywords
layer
recording
energy
frequency
track
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.)
Expired
Application number
DE19853512715
Other languages
German (de)
English (en)
Other versions
DE3512715A1 (de
Inventor
Ichiro Isehara Kanagawa Jp Ueno
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 JP7068784A external-priority patent/JPS60214436A/ja
Priority claimed from JP7716184A external-priority patent/JPS60219656A/ja
Priority claimed from JP7716084A external-priority patent/JPS60219652A/ja
Priority claimed from JP7716284A external-priority patent/JPS60219653A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3512715A1 publication Critical patent/DE3512715A1/de
Application granted granted Critical
Publication of DE3512715C2 publication Critical patent/DE3512715C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/08—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by electric charge or by variation of electric resistance or capacitance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/12—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by optical means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/04—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electric resistance; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/12—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor
    • G11B9/14—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor using microscopic probe means, i.e. recording or reproducing by means directly associated with the tip of a microscopic electrical probe as used in Scanning Tunneling Microscopy [STM] or Atomic Force Microscopy [AFM] for inducing physical or electrical perturbations in a recording medium; Record carriers or media specially adapted for such transducing of information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/12—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor
    • G11B9/14—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor using microscopic probe means, i.e. recording or reproducing by means directly associated with the tip of a microscopic electrical probe as used in Scanning Tunneling Microscopy [STM] or Atomic Force Microscopy [AFM] for inducing physical or electrical perturbations in a recording medium; Record carriers or media specially adapted for such transducing of information
    • G11B9/1409—Heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Recording Or Reproduction (AREA)
DE19853512715 1984-04-09 1985-04-09 Verfahren und vorrichtung zur aufzeichnung und wiedergabe von signalen mittels aufzeichnungsplatten Granted DE3512715A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7068784A JPS60214436A (ja) 1984-04-09 1984-04-09 情報記録媒体
JP7716184A JPS60219656A (ja) 1984-04-17 1984-04-17 情報信号の記録再生方式
JP7716084A JPS60219652A (ja) 1984-04-17 1984-04-17 情報信号の記録，再生装置
JP7716284A JPS60219653A (ja) 1984-04-17 1984-04-17 情報信号の記録，再生装置

Publications (2)

Publication Number Publication Date
DE3512715A1 DE3512715A1 (de) 1985-10-24
DE3512715C2 true DE3512715C2 (https=) 1989-04-27

Family

ID=27465278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853512715 Granted DE3512715A1 (de) 1984-04-09 1985-04-09 Verfahren und vorrichtung zur aufzeichnung und wiedergabe von signalen mittels aufzeichnungsplatten

Country Status (2)

Country Link
DE (1) DE3512715A1 (https=)
GB (1) GB2157876B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270990A (en) * 1986-08-15 1993-12-14 Canon Kabushiki Kaisha Tracking error signal detecting apparatus using an electron beam and apparatus for effecting recording/reproduction of information by the utilization of a plurality of electron beams
WO1988007224A1 (fr) * 1987-03-18 1988-09-22 Dai Nippon Insatsu Kabushiki Kaisha Materiau presentant une conductivite variable
US5241520A (en) * 1990-12-28 1993-08-31 Sony Corporation System and method of reproducing signals recorded on a magneto-optic recording medium
DE69332710T2 (de) * 1992-07-17 2004-01-15 Biotechnology Res & Dev System zum feststellen von atom- oder molekularspektren und/oder damit verbundenen schwellenerscheinungen
US5434842A (en) * 1992-07-17 1995-07-18 Biotechnology Research And Development Corporation Reading and writing stored information by means of electrochemistry
EP0901120A3 (en) * 1992-07-17 2001-01-10 Biotechnology and Research and Development Corporation Reading and writing stored information by means of electrochemistry
KR950024146A (ko) * 1994-01-31 1995-08-21 모리시타 요이찌 정보기록재생장치 및 정보기록재생방법
FR2786005B1 (fr) * 1998-11-17 2002-04-12 Commissariat Energie Atomique Procede d'ecriture et de lecture d'un support d'informations comprenant un materiau avec une succession de zones presentant respectivement un premier et un deuxieme etats physiques
KR100429843B1 (ko) * 2001-09-22 2004-05-03 삼성전자주식회사 전자 방출 및 상변화물질을 이용한 고밀도정보기록/재생방법 및 이를 응용한 정보저장장치 및 이에사용되는 미디어

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL32745A (en) * 1968-08-22 1973-06-29 Energy Conversion Devices Inc Method and apparatus for producing,storing and retrieving information
US4412264A (en) * 1979-10-22 1983-10-25 Kokusai Denshin Denwa Co., Ltd. Magneto-optic recording medium
GB2077065B (en) * 1980-02-23 1985-01-09 Sharp Kk Magnetooptic memory medium
JPS57167172A (en) * 1981-04-07 1982-10-14 Victor Co Of Japan Ltd High density information recording and reproducing system

Also Published As

Publication number Publication date
GB2157876A (en) 1985-10-30
GB2157876B (en) 1988-09-21
GB8509112D0 (en) 1985-05-15
DE3512715A1 (de) 1985-10-24

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8181 Inventor (new situation)

Free format text: UENO, ICHIRO, ISEHARA, KANAGAWA, JP

8125 Change of the main classification

Ipc: G11B 9/04

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee