AR216540A1 - OPTICALLY LEGIBLE INFORMATION DISK - Google Patents

OPTICALLY LEGIBLE INFORMATION DISK

Info

Publication number: AR216540A1
Authority: AR; Argentina
Prior art keywords: information disk; legible information; optically; optically legible; disk
Prior art date: 1977-09-16

Application number

AR273675A

Other languages

Spanish (es)

Original Assignee

Philips Nv

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.)

1977-09-16

Filing date

1978-09-12

Publication date

1979-12-28

1978-09-12 Application filed by Philips Nv filed Critical Philips Nv

1979-12-28 Application granted granted Critical

1979-12-28 Publication of AR216540A1 publication Critical patent/AR216540A1/en

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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- G11B2007/25408—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of inorganic materials
- G11B2007/25414—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of inorganic materials containing Group 13 elements (B, Al, Ga)
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/256—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers improving adhesion between layers
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)
Manufacturing Optical Record Carriers (AREA)

AR273675A 1977-09-16 1978-09-12 OPTICALLY LEGIBLE INFORMATION DISK AR216540A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7710162A NL7710162A (en)	1977-09-16	1977-09-16	METHOD FOR MANUFACTURING AN OPTICALLY READABLE INFORMATION DISK USING A FLAT, STIFFENING HEAT CONDUCTIVE PLATE OF INORGANIC MATERIAL

Publications (1)

Publication Number	Publication Date
AR216540A1 true AR216540A1 (en)	1979-12-28

Family

ID=19829188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR273675A AR216540A1 (en)	1977-09-16	1978-09-12	OPTICALLY LEGIBLE INFORMATION DISK

Country Status (20)

Country	Link
JP (1)	JPS5454003A (en)
AR (1)	AR216540A1 (en)
AT (1)	AT371278B (en)
AU (1)	AU523032B2 (en)
BE (1)	BE870476A (en)
BR (1)	BR7806005A (en)
CA (1)	CA1124396A (en)
CH (1)	CH637783A5 (en)
DD (1)	DD139774A5 (en)
DE (1)	DE2839395A1 (en)
DK (1)	DK403478A (en)
ES (1)	ES473343A1 (en)
FR (1)	FR2403617A1 (en)
GB (1)	GB2004404B (en)
IT (1)	IT1098622B (en)
MX (1)	MX148376A (en)
NL (1)	NL7710162A (en)
NZ (1)	NZ188406A (en)
SE (1)	SE438568B (en)
ZA (1)	ZA785080B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4414650A (en) *	1980-06-23	1983-11-08	Sharp Kabushiki Kaisha	Magneto-optic memory element
DE3028498A1 (en) *	1980-07-26	1982-03-04	Röhm GmbH, 6100 Darmstadt	IMPROVED, OPTICALLY READED, INFORMATION STORAGE DISKS AND METHOD FOR THEIR PRODUCTION
JPS5766538A (en) *	1980-10-08	1982-04-22	Toshiba Corp	Information storage medium
JPS57186241A (en) *	1981-05-11	1982-11-16	Mitsui Toatsu Chem Inc	Optical information recording disc
JPS58108044A (en) *	1981-12-22	1983-06-28	Pioneer Electronic Corp	Optical disk
NL8301956A (en) *	1983-06-02	1985-01-02	Optical Storage Int	OPTICAL REGISTRATION ELEMENT.
DE3322131A1 (en) *	1983-06-20	1984-12-20	Polygram Gmbh, 2000 Hamburg	DISK-SHAPED, OPTICALLY READABLE INFORMATION CARRIER WITH PROTECTIVE EDGE
WO1985002482A1 (en) *	1983-12-02	1985-06-06	Burroughs Corporation	Cost-reduced optical disk record
JPS61214245A (en) *	1985-03-20	1986-09-24	Matsushita Electric Ind Co Ltd	Optical information recording medium
JPH061561B2 (en) *	1985-08-21	1994-01-05	株式会社日立製作所	Light disk
JPS6242347A (en) *	1986-07-31	1987-02-24	Sanyo Electric Co Ltd	Production of optical disk recorder
JPS63107589A (en) *	1986-10-23	1988-05-12	Nec Corp	Optical recording medium
LU87571A1 (en) *	1989-08-23	1991-05-07	Glaverbel	OPTICALLY READABLE INFORMATION RECORDING MEDIUM
EP1258874B1 (en) *	1994-09-27	2006-04-19	Matsushita Electric Industrial Co., Ltd.	Production process of optical information recording medium
EP0706179B1 (en) *	1994-09-27	2002-12-11	Matsushita Electric Industrial Co., Ltd.	Production process of optical information recording medium and production apparatus therefor
JP2742524B2 (en) *	1994-10-03	1998-04-22	松下電器産業株式会社	Optical information medium, optical information medium manufacturing method, and optical information medium manufacturing apparatus
DE69520920T2 (en) *	1994-10-03	2001-09-27	Matsushita Electric Industrial Co., Ltd.	Optical information medium, as well as unit and method for its production
JPH08203126A (en) *	1995-01-27	1996-08-09	Nec Corp	Optical information recording medium, optical information reproducing method, and optical information recording, reproducing and erasing method
USRE39412E1 (en)	1995-02-15	2006-11-28	Matsushita Electric Industrial Co., Ltd.	Optical information medium, and method and apparatus for fabricating the same
US6680898B2 (en)	2001-02-21	2004-01-20	Todd J. Kuchman	Optical disc and method of protecting same
US6842409B2 (en)	2001-02-21	2005-01-11	Scratch-Less Disc Industries, Llc	Optical disc and method of protecting same
EP1637329A1 (en)	2004-09-15	2006-03-22	Domino Printing Sciences Plc	Droplet generator

1977
- 1977-09-16 NL NL7710162A patent/NL7710162A/en not_active Application Discontinuation
1978
- 1978-09-07 ZA ZA785080A patent/ZA785080B/en unknown
- 1978-09-11 DE DE19782839395 patent/DE2839395A1/en active Pending
- 1978-09-12 AR AR273675A patent/AR216540A1/en active
- 1978-09-12 FR FR7826177A patent/FR2403617A1/en active Granted
- 1978-09-13 CH CH956878A patent/CH637783A5/en not_active IP Right Cessation
- 1978-09-13 IT IT27635/78A patent/IT1098622B/en active
- 1978-09-13 AU AU39827/78A patent/AU523032B2/en not_active Expired
- 1978-09-13 DK DK403478A patent/DK403478A/en not_active Application Discontinuation
- 1978-09-13 NZ NZ188406A patent/NZ188406A/en unknown
- 1978-09-13 SE SE7809614A patent/SE438568B/en not_active IP Right Cessation
- 1978-09-13 DD DD78207804A patent/DD139774A5/en unknown
- 1978-09-13 GB GB7836652A patent/GB2004404B/en not_active Expired
- 1978-09-14 JP JP11243478A patent/JPS5454003A/en active Granted
- 1978-09-14 BR BR7806005A patent/BR7806005A/en unknown
- 1978-09-14 CA CA311,349A patent/CA1124396A/en not_active Expired
- 1978-09-14 MX MX174881A patent/MX148376A/en unknown
- 1978-09-14 ES ES473343A patent/ES473343A1/en not_active Expired
- 1978-09-14 BE BE190480A patent/BE870476A/en not_active IP Right Cessation
- 1978-09-15 AT AT0667878A patent/AT371278B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
SE7809614L (en)	1979-03-17
FR2403617B1 (en)	1983-06-17
ATA667878A (en)	1982-10-15
BR7806005A (en)	1979-04-24
DK403478A (en)	1979-03-17
DE2839395A1 (en)	1979-03-29
AT371278B (en)	1983-06-10
DD139774A5 (en)	1980-01-16
SE438568B (en)	1985-04-22
CH637783A5 (en)	1983-08-15
JPS574973B2 (en)	1982-01-28
MX148376A (en)	1983-04-13
BE870476A (en)	1979-03-14
IT7827635A0 (en)	1978-09-13
AU3982778A (en)	1980-03-20
CA1124396A (en)	1982-05-25
ZA785080B (en)	1980-04-30
ES473343A1 (en)	1979-04-16
FR2403617A1 (en)	1979-04-13
NZ188406A (en)	1982-05-31
GB2004404B (en)	1982-01-20
NL7710162A (en)	1979-03-20
GB2004404A (en)	1979-03-28
JPS5454003A (en)	1979-04-27
IT1098622B (en)	1985-09-07
AU523032B2 (en)	1982-07-08

Publication	Publication Date	Title
ES491796A0 (en)	1980-12-16	AN OPTICALLY LEGIBLE INFORMATION DISC.
AR216540A1 (en)	1979-12-28	OPTICALLY LEGIBLE INFORMATION DISK
ATA879778A (en)	1981-01-15	DISC-SHAPED INFORMATION CARRIER
TR20008A (en)	1980-06-16	INFORMATION BASED ON ALKIL PHOSPHITES
NL7804653A (en)	1979-03-02	OPTICAL RECORDING MEDIA.
FR2404274B1 (en)	1985-08-09	DISK READER
SE7802909L (en)	1978-09-18	DISC BRAKE
BR8005915A (en)	1981-03-31	MAGNETIC-COVER DISC SET
NL7804036A (en)	1979-10-19	OPTICALLY READABLE INFORMATION DISC.
AT368655B (en)	1982-10-25	INFORMATION RECORD CARRIER
IT1085601B (en)	1985-05-28	CLUTCH DISC
NL7900205A (en)	1979-07-17	OPTICAL INFORMATION CARRIER.
ES529481A0 (en)	1984-10-01	AN OPTICALLY LEGIBLE STORAGE DISK
NL7802787A (en)	1978-09-19	INFORMATION CARRIER.
BR7806821A (en)	1979-05-08	DISC MACHINE
ES285581Y (en)	1986-05-01	OPTICALLY LEGIBLE DISK
IT7850971A0 (en)	1978-09-05	CONICAL DISC
SE7800611L (en)	1978-07-21	DISC BRAKE
PL206934A1 (en)	1979-07-16	DISC BRAKE
NL7808120A (en)	1979-04-03	LIGHT SIGNAL.
IT1160308B (en)	1987-03-11	INFORMATION DISCLOSURE DEVICE
AR214801A1 (en)	1979-07-31	DISC BRAKE
AT382445B (en)	1987-02-25	FULL-PAD DISC BRAKE
AT383879B (en)	1987-09-10	FULL-PAD DISC BRAKE
ES540285A0 (en)	1986-04-01	AN OPTICALLY LEGIBLE STORAGE DISK