GB1441157A - Forming magneto-optical patterns - Google Patents

Forming magneto-optical patterns

Info

Publication number
GB1441157A
GB1441157A GB5237473A GB5237473A GB1441157A GB 1441157 A GB1441157 A GB 1441157A GB 5237473 A GB5237473 A GB 5237473A GB 5237473 A GB5237473 A GB 5237473A GB 1441157 A GB1441157 A GB 1441157A
Authority
GB
United Kingdom
Prior art keywords
optical patterns
forming magneto
magneto
forming
patterns
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
GB5237473A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1441157A publication Critical patent/GB1441157A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • H01F10/24—Garnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Compounds Of Iron (AREA)
GB5237473A 1972-11-15 1973-11-12 Forming magneto-optical patterns Expired GB1441157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722255796 DE2255796C3 (en) 1972-11-15 1972-11-15 Switching mask made of magnetic material with controllable transparency

Publications (1)

Publication Number Publication Date
GB1441157A true GB1441157A (en) 1976-06-30

Family

ID=5861708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5237473A Expired GB1441157A (en) 1972-11-15 1973-11-12 Forming magneto-optical patterns

Country Status (4)

Country Link
JP (1) JPS50859A (en)
DE (1) DE2255796C3 (en)
FR (1) FR2206522B1 (en)
GB (1) GB1441157A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32099E (en) * 1978-03-20 1986-03-25 U.S. Philips Corporation Optical printer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850337B2 (en) * 1976-10-26 1983-11-10 富士ゼロックス株式会社 printer
JPS58139082A (en) * 1982-02-15 1983-08-18 Hitachi Ltd Magnetic field measuring apparatus
JPS61184745U (en) * 1985-05-08 1986-11-18

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478334A (en) * 1964-06-29 1969-11-11 Ibm Low threshold magnetic film memory
JPS5127148B1 (en) * 1970-02-24 1976-08-11
US3651498A (en) * 1970-03-02 1972-03-21 Ibm Holographic storage and retrieval system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32099E (en) * 1978-03-20 1986-03-25 U.S. Philips Corporation Optical printer

Also Published As

Publication number Publication date
JPS50859A (en) 1975-01-07
FR2206522A1 (en) 1974-06-07
FR2206522B1 (en) 1977-09-23
DE2255796C3 (en) 1982-02-11
DE2255796A1 (en) 1974-05-16
DE2255796B2 (en) 1981-04-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee