JPS5421721A - Keeping permanent memory of information pattern*and recording medium therefor - Google Patents

Keeping permanent memory of information pattern*and recording medium therefor

Info

Publication number: JPS5421721A
Authority: JP; Japan
Prior art keywords: recording medium; permanent memory; information pattern; medium therefor; keeping permanent
Prior art date: 1977-07-15
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.): Pending

Application number

JP4916378A

Other languages

English (en)

Japanese (ja)

Inventor

Fuyuu Muuru Reimondo

Furanku Shiifuerubein Garii

Toransu Rutsuseru Jieemuzu

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.)

Individual

Original Assignee

Individual

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.)

1977-07-15

Filing date

1978-04-24

Publication date

1979-02-19

1978-04-24 Application filed by Individual filed Critical Individual

1979-02-19 Publication of JPS5421721A publication Critical patent/JPS5421721A/ja

Status Pending legal-status Critical Current

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
- G11B7/241—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
- G11B7/251—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 dispersed in an organic matrix

Landscapes

Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Inorganic Chemistry (AREA)
Mathematical Physics (AREA)
Thermal Transfer Or Thermal Recording In General (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)

JP4916378A 1977-07-15 1978-04-24 Keeping permanent memory of information pattern*and recording medium therefor Pending JPS5421721A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US81579877A	1977-07-15	1977-07-15

Publications (1)

Publication Number	Publication Date
JPS5421721A true JPS5421721A (en)	1979-02-19

Family

ID=25218862

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP4916378A Pending JPS5421721A (en)	1977-07-15	1978-04-24	Keeping permanent memory of information pattern*and recording medium therefor

Country Status (6)

Country	Link
JP (1)	JPS5421721A (de)
CA (1)	CA1116752A (de)
DE (1)	DE2817357A1 (de)
FR (1)	FR2397293A1 (de)
GB (1)	GB1592390A (de)
NL (1)	NL7714152A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4496957A (en) *	1979-07-02	1985-01-29	Xerox Corporation	Optical disk
US4425570A (en) *	1981-06-12	1984-01-10	Rca Corporation	Reversible recording medium and information record
JPS58224794A (ja) *	1982-06-25	1983-12-27	Konishiroku Photo Ind Co Ltd	光学的情報記録媒体の製造方法
US4622284A (en) *	1984-03-01	1986-11-11	Digital Recording Corporation	Process of using metal azide recording media with laser
ES2028780T3 (es) *	1985-10-15	1992-07-16	Gao Gesellschaft Fur Automation Und Organisation Mbh	Tarjeta de identidad con marca de autenticidad apreciable visualmente y procedimiento para su fabricacion.
GB2379441A (en) *	2001-09-07	2003-03-12	Polight Tech Ltd	Holographic recording medium
US20170252868A1 (en) *	2016-03-02	2017-09-07	Tong Li	System and method for marking a substrate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3547629A (en) *	1962-09-27	1970-12-15	American Screen Process Equip	Photoflash method of transferring information and fabricating printed circuits
DE1574687B2 (de) *	1968-02-06	1978-08-10	Robert Bosch Gmbh, 7000 Stuttgart	Aufzeichnungsträger für Informationen
DE2441263A1 (de) *	1974-08-28	1976-03-18	Philips Patentverwaltung	Aufzeichnungsverfahren
FR2368779A1 (fr) *	1976-10-22	1978-05-19	Thomson Brandt	Support thermosensible destine a l'enregistrement d'information et procede d'enregistrement d'information sur un tel support

1977
- 1977-11-15 CA CA000290955A patent/CA1116752A/en not_active Expired
- 1977-11-22 GB GB48672/77A patent/GB1592390A/en not_active Expired
- 1977-12-20 NL NL7714152A patent/NL7714152A/xx not_active Application Discontinuation
1978
- 1978-01-09 FR FR7800430A patent/FR2397293A1/fr active Granted
- 1978-04-20 DE DE19782817357 patent/DE2817357A1/de active Granted
- 1978-04-24 JP JP4916378A patent/JPS5421721A/ja active Pending

Also Published As

Publication number	Publication date
GB1592390A (en)	1981-07-08
DE2817357A1 (de)	1979-01-25
CA1116752A (en)	1982-01-19
DE2817357C2 (de)	1987-06-11
FR2397293B1 (de)	1984-12-07
FR2397293A1 (fr)	1979-02-09
NL7714152A (nl)	1979-01-17

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