NL7212045A - - Google Patents

Info

Publication number
NL7212045A
NL7212045A NL7212045A NL7212045A NL7212045A NL 7212045 A NL7212045 A NL 7212045A NL 7212045 A NL7212045 A NL 7212045A NL 7212045 A NL7212045 A NL 7212045A NL 7212045 A NL7212045 A NL 7212045A
Authority
NL
Netherlands
Application number
NL7212045A
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 filed Critical
Priority to NL7212045A priority Critical patent/NL7212045A/xx
Priority to US344865A priority patent/US3894179A/en
Priority to AR24927373A priority patent/AR200876A1/es
Priority to DE19732342285 priority patent/DE2342285C3/de
Priority to FR7331193A priority patent/FR2199604B1/fr
Priority to AU59746/73A priority patent/AU484390B2/en
Priority to CA180,005A priority patent/CA998173A/en
Priority to IT5224373A priority patent/IT990424B/it
Priority to JP9674973A priority patent/JPS5652361B2/ja
Priority to CH1247073A priority patent/CH570669A5/xx
Priority to AT755773A priority patent/AT347147B/de
Priority to BE135215A priority patent/BE804332A/xx
Priority to ES418367A priority patent/ES418367A1/es
Priority to GB4111573A priority patent/GB1447066A/en
Publication of NL7212045A publication Critical patent/NL7212045A/xx
Priority to ES439625A priority patent/ES439625A1/es
Priority to US05/713,521 priority patent/US4057831A/en

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
NL7212045A 1972-09-02 1972-09-05 NL7212045A (sv)

Priority Applications (16)

Application Number Priority Date Filing Date Title
NL7212045A NL7212045A (sv) 1972-09-05 1972-09-05
US344865A US3894179A (en) 1972-09-05 1973-03-26 Method of manufacturing an information carrier
AR24927373A AR200876A1 (es) 1972-09-02 1973-07-25 Metodo de fabricacion de un portador de informacion discoidal y portador de informacion fabricado por dicho metodo
DE19732342285 DE2342285C3 (de) 1972-09-02 1973-08-22 Verfahren zur Herstellung eines scheibenförmigen Datenträgers
FR7331193A FR2199604B1 (sv) 1972-09-02 1973-08-29
AU59746/73A AU484390B2 (en) 1972-09-02 1973-08-29 Information carrier and method of manufacturing an information carrier
IT5224373A IT990424B (it) 1972-09-02 1973-08-30 Perfezionamento nei supporti di in formazione del tipo a disco e rela tivo procedimento di fabbricazione
CA180,005A CA998173A (en) 1972-09-02 1973-08-30 Method of manufacturing an information carrier
JP9674973A JPS5652361B2 (sv) 1972-09-02 1973-08-30
CH1247073A CH570669A5 (sv) 1972-09-02 1973-08-30
AT755773A AT347147B (de) 1972-09-02 1973-08-30 Aufzeichnungstraeger und verfahren zur herstellung eines aufzeichnungstraegers
BE135215A BE804332A (fr) 1972-09-02 1973-08-31 Support d'information et son procede de fabrication
ES418367A ES418367A1 (es) 1972-09-02 1973-08-31 Metodo de fabricar un portador de informacion.
GB4111573A GB1447066A (en) 1972-09-02 1973-08-31 Method and apparatus for making disc records
ES439625A ES439625A1 (es) 1972-09-02 1975-07-22 Perfeccionamientos introducidos en un portador de informa- cion.
US05/713,521 US4057831A (en) 1972-09-05 1976-08-11 Video record disc manufactured by a process involving chemical or sputter etching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7212045A NL7212045A (sv) 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
NL7212045A true NL7212045A (sv) 1974-03-07

Family

ID=19816871

Family Applications (1)

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

Country Status (2)

Country Link
US (1) US3894179A (sv)
NL (1) NL7212045A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312823A (en) * 1977-03-14 1982-01-26 U.S. Philips Corporation Method of manufacturing a plastic record carrier having a stratified structure

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2214934B1 (sv) * 1973-01-18 1978-03-24 Thomson Csf
US4118734A (en) * 1974-02-14 1978-10-03 U.S. Philips Corporation Optical videodisc with variable width tracks
DE2521695C3 (de) * 1974-05-15 1978-10-12 Canon K.K., Tokio Signalaufzeichnungsvorrichtung
US4164754A (en) * 1974-07-16 1979-08-14 Thomson-Brandt Method of manufacturing a die designed to duplicate a video frequency signal recording
JPS5182601A (sv) * 1975-01-17 1976-07-20 Sony Corp
US4211617A (en) * 1975-02-24 1980-07-08 Mca Disco-Vision, Inc. Process for producing a stamper for videodisc purposes
FR2310586A1 (fr) * 1975-05-07 1976-12-03 Thomson Brandt Procede de fabrication de supports d'informations lisibles optiquement par variation d'absorption et support ainsi obtenu
DE2649549A1 (de) * 1975-10-31 1977-05-12 Hitachi Ltd Informations-wiedergabevorrichtung
GB1574910A (en) * 1976-04-07 1980-09-10 Rca Corp Fabrication of diffractive subtractive filter embossing master
GB1509495A (en) * 1976-04-08 1978-05-04 Sony Corp Record disc and method of producing the same
FR2365854A1 (fr) * 1976-09-24 1978-04-21 Thomson Brandt Procede de fabrication d'un support d'information enregistrable et lisible optiquement et support obtenu par un tel procede
NL173104C (nl) * 1977-02-09 1983-12-01 Victor Company Of Japan Informatiesignaalregistratiemedium van roterende soort en inrichting voor het registreren van informatiesignalen daarop.
NL173797C (nl) * 1977-02-09 1984-03-01 Victor Company Of Japan Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium.
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
US4408319A (en) * 1978-07-15 1983-10-04 Pioneer Electronic Corporation Optical information recording mother disc and method of producing the same
US4569903A (en) * 1980-02-11 1986-02-11 Fuji Photo Film Co., Ltd. Optical recording medium
JPS5724038A (en) * 1980-07-18 1982-02-08 Sony Corp Information recording member
JPS5774846A (en) * 1980-10-28 1982-05-11 Toshiba Corp Information storing medium
US4423137A (en) * 1980-10-28 1983-12-27 Quixote Corporation Contact printing and etching method of making high density recording medium
US4509162A (en) * 1980-10-28 1985-04-02 Quixote Corporation High density recording medium
US4419750A (en) * 1981-07-13 1983-12-06 Eastman Kodak Company Constant track width optical disk recording
NL8601006A (nl) * 1986-04-21 1987-11-16 Philips Nv Werkwijze voor het aftasten van een stralingsgevoelig registratieoppervlak van een roterende schijfvormige drager met behulp van een gemoduleerde stralingsbundel, en optische schrijfinrichting voor het uitvoeren van de werkwijze.
US4729940A (en) * 1986-05-16 1988-03-08 Cbs Inc. Method of manufacturing master for optical information carrier
US6060220A (en) * 1995-07-10 2000-05-09 The Board Of Trustees Of The Leland Stanford Junior University Method for producing an optical information carrier having a variable relief structure
KR100234292B1 (ko) * 1997-10-08 1999-12-15 윤종용 광디스크 제작용 마스터 디스크 제조방법
US6665240B1 (en) * 1998-10-07 2003-12-16 Sony Corporation Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198880A (en) * 1952-09-03 1965-08-03 Hall William D Photographic disc reproduction of television signals
US2881073A (en) * 1955-12-29 1959-04-07 Ibm Method of forming permanent data on magnetic recording media
US3688025A (en) * 1970-10-27 1972-08-29 Rca Corp Recorder and playback apparatus for pulse width modulated record
US3669665A (en) * 1971-02-18 1972-06-13 Ibm Process for making resist stencils from photographic stripping films and for using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312823A (en) * 1977-03-14 1982-01-26 U.S. Philips Corporation Method of manufacturing a plastic record carrier having a stratified structure

Also Published As

Publication number Publication date
US3894179A (en) 1975-07-08

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Legal Events

Date Code Title Description
BI The patent application has been withdrawn