GB1447066A - Method and apparatus for making disc records - Google Patents

Method and apparatus for making disc records

Info

Publication number
GB1447066A
GB1447066A GB4111573A GB4111573A GB1447066A GB 1447066 A GB1447066 A GB 1447066A GB 4111573 A GB4111573 A GB 4111573A GB 4111573 A GB4111573 A GB 4111573A GB 1447066 A GB1447066 A GB 1447066A
Authority
GB
United Kingdom
Prior art keywords
sept
photoresist
metal film
making disc
layer
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
GB4111573A
Other languages
English (en)
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
Priority claimed from NL7212001A external-priority patent/NL7212001A/xx
Priority claimed from NL7212045A external-priority patent/NL7212045A/xx
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1447066A publication Critical patent/GB1447066A/en
Expired 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
    • 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
GB4111573A 1972-09-02 1973-08-31 Method and apparatus for making disc records Expired GB1447066A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7212001A NL7212001A (es) 1972-09-02 1972-09-02
NL7212045A NL7212045A (es) 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
GB1447066A true GB1447066A (en) 1976-08-25

Family

ID=26644798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4111573A Expired GB1447066A (en) 1972-09-02 1973-08-31 Method and apparatus for making disc records

Country Status (10)

Country Link
JP (1) JPS5652361B2 (es)
AR (1) AR200876A1 (es)
AT (1) AT347147B (es)
BE (1) BE804332A (es)
CA (1) CA998173A (es)
CH (1) CH570669A5 (es)
ES (2) ES418367A1 (es)
FR (1) FR2199604B1 (es)
GB (1) GB1447066A (es)
IT (1) IT990424B (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197500A (en) * 1986-11-06 1988-05-18 Westinghouse Electric Corp Producing designs using photosensitive paints
EP0286326A2 (en) * 1987-04-08 1988-10-12 Nippon Telegraph and Telephone Corporation Method and apparatus for fabricating an optical disc master and an optical disc

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603888B2 (de) * 1975-02-24 1977-12-15 MCA Disco-Vision, Znc, Universal City, Calif. (V-StA.) Verfahren zum herstellen einer nachbildungsmatrize fuer informationstraeger und matrize zur bildung von videoplattenreproduktionen
JPS6034171B2 (ja) * 1977-04-05 1985-08-07 ソニー株式会社 光学記録方式によるビデオデイスク原盤
JPS6166242A (ja) * 1984-09-06 1986-04-05 Matsushita Electric Ind Co Ltd 情報記録原盤
JPH01235044A (ja) * 1988-03-14 1989-09-20 Nippon Telegr & Teleph Corp <Ntt> 光ディスク基板およびその製造方法
JP2735569B2 (ja) * 1988-06-29 1998-04-02 日本電気ホームエレクトロニクス株式会社 光ディスク原盤の製造方法
JP2000113452A (ja) * 1998-10-07 2000-04-21 Sony Corp 光ディスクの製造装置、光ディスクの製造方法、光ディスク及び光ディスクの再生方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197500A (en) * 1986-11-06 1988-05-18 Westinghouse Electric Corp Producing designs using photosensitive paints
US4844947A (en) * 1986-11-06 1989-07-04 Westinghouse Electric Corp. Technique for the application and cure of photosensitive paints
GB2237896A (en) * 1986-11-06 1991-05-15 Westinghouse Electric Corp Method of applying and curing photosensitive paints
GB2197500B (en) * 1986-11-06 1991-07-24 Westinghouse Electric Corp Technique for the application and cure of photosensitive paints
GB2237896B (en) * 1986-11-06 1991-07-24 Westinghouse Electric Corp Method for painting a predetermined design onto a surface
EP0286326A2 (en) * 1987-04-08 1988-10-12 Nippon Telegraph and Telephone Corporation Method and apparatus for fabricating an optical disc master and an optical disc
EP0286326B1 (en) * 1987-04-08 1994-06-15 Nippon Telegraph and Telephone Corporation Method and apparatus for fabricating an optical disc master and an optical disc

Also Published As

Publication number Publication date
ES418367A1 (es) 1976-04-16
AU5974673A (en) 1975-03-06
CH570669A5 (es) 1975-12-15
AT347147B (de) 1978-12-11
IT990424B (it) 1975-06-20
DE2342285B2 (de) 1977-02-03
BE804332A (fr) 1974-02-28
DE2342285A1 (de) 1974-03-14
CA998173A (en) 1976-10-05
ES439625A1 (es) 1977-03-01
FR2199604A1 (es) 1974-04-12
JPS5652361B2 (es) 1981-12-11
AR200876A1 (es) 1974-12-27
FR2199604B1 (es) 1979-08-03
JPS4993002A (es) 1974-09-04
ATA755773A (de) 1978-04-15

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19930830