IT1105904B - Procedimento di riproduzione di disco supporto d'informazione e disco ottenuto mediante tale procedimento - Google Patents

Procedimento di riproduzione di disco supporto d'informazione e disco ottenuto mediante tale procedimento

Info

Publication number
IT1105904B
IT1105904B IT50383/78A IT5038378A IT1105904B IT 1105904 B IT1105904 B IT 1105904B IT 50383/78 A IT50383/78 A IT 50383/78A IT 5038378 A IT5038378 A IT 5038378A IT 1105904 B IT1105904 B IT 1105904B
Authority
IT
Italy
Prior art keywords
disc
procedure
information support
procedure information
reproduction
Prior art date
Application number
IT50383/78A
Other languages
English (en)
Other versions
IT7850383A0 (it
Original Assignee
Thomson Brandt
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 Thomson Brandt filed Critical Thomson Brandt
Publication of IT7850383A0 publication Critical patent/IT7850383A0/it
Application granted granted Critical
Publication of IT1105904B publication Critical patent/IT1105904B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
IT50383/78A 1977-07-22 1978-07-20 Procedimento di riproduzione di disco supporto d'informazione e disco ottenuto mediante tale procedimento IT1105904B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7722565A FR2397931A1 (fr) 1977-07-22 1977-07-22 Procede de reproduction de disque support d'information et disque obtenu par un tel procede

Publications (2)

Publication Number Publication Date
IT7850383A0 IT7850383A0 (it) 1978-07-20
IT1105904B true IT1105904B (it) 1985-11-11

Family

ID=9193685

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50383/78A IT1105904B (it) 1977-07-22 1978-07-20 Procedimento di riproduzione di disco supporto d'informazione e disco ottenuto mediante tale procedimento

Country Status (7)

Country Link
US (1) US4157931A (it)
JP (1) JPS5423501A (it)
CA (1) CA1112408A (it)
DE (1) DE2832144A1 (it)
FR (1) FR2397931A1 (it)
GB (1) GB2001279B (it)
IT (1) IT1105904B (it)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7904234L (sv) * 1978-05-23 1979-11-24 Crystic Systems Ltd Adhesivt tejp
US4668558A (en) * 1978-07-20 1987-05-26 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
US4576850A (en) * 1978-07-20 1986-03-18 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
US4582885A (en) * 1978-07-20 1986-04-15 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
NL7904113A (nl) * 1979-05-25 1980-11-27 Philips Nv Optisch uitleesbare informatieschijf, werkwijze voor de vervaardiging ervan alsmede een inrichting voor het uitvoeren van deze werkwijze.
US4407880A (en) * 1979-11-07 1983-10-04 Hitachi, Ltd. Substrate of member for recording information with light and method of manufacturing the same
JPS5755544A (en) * 1980-09-19 1982-04-02 Hitachi Ltd Optical disk substrate
JPS5680802A (en) * 1979-12-06 1981-07-02 Shin Etsu Chem Co Ltd Quality improving method of record disk
US4296158A (en) * 1980-02-01 1981-10-20 Minnesota Mining And Manufacturing Company Information carrying discs
USRE31533E (en) * 1980-02-01 1984-03-06 Minnesota Mining And Manufacturing Company Information carrying discs
DE3070822D1 (en) * 1980-02-01 1985-08-01 Minnesota Mining & Mfg Information carrying discs
GB2070340B (en) * 1980-02-07 1983-10-12 Shinetsu Chemical Co Method for surface properties of a disclike shaped article of a vinyl chloridebased resin
JPS56159849A (en) * 1980-05-09 1981-12-09 Toppan Printing Co Ltd High density information recording carrier using resin cured by ultraviolet ray irradiation
JPS573239A (en) * 1980-06-06 1982-01-08 Hitachi Ltd Manufacture of information carrier
US4381964A (en) * 1981-05-29 1983-05-03 Rca Corporation Method and apparatus for separating a stamper from a mold
JPS5835742A (ja) * 1981-08-21 1983-03-02 Victor Co Of Japan Ltd 情報記録媒体円盤の製作に用いられるスタンパの製作法
FR2513934A1 (fr) * 1981-10-06 1983-04-08 Thomson Csf Procede de demoulage de disque porteur d'informations et dispositif mettant en oeuvre un tel procede
JPS5998331A (ja) * 1983-11-02 1984-06-06 Hitachi Ltd 光デイスク用基板
US4637904A (en) * 1983-11-14 1987-01-20 Rohm And Haas Company Process for molding a polymeric layer onto a substrate
JPS60155424A (ja) * 1984-01-26 1985-08-15 Daicel Chem Ind Ltd 大径のポリカ−ボネ−ト製光デイスク基板およびその製造法
JPS6122913A (ja) * 1984-07-11 1986-01-31 Matsushita Electric Ind Co Ltd デイスク成形方法
US4619804A (en) * 1985-04-15 1986-10-28 Eastman Kodak Company Fabricating optical record media
JPS61242815A (ja) * 1985-04-22 1986-10-29 Victor Co Of Japan Ltd 情報信号記録媒体製造法及びその装置
US4784814A (en) * 1985-07-11 1988-11-15 Ciba-Geigy Corporation Pressure reaction injection molding process for making molded bodies of thermosets optionally containing filler and/or reinforcing material
JP2570402B2 (ja) * 1988-09-30 1997-01-08 日本ビクター株式会社 光学式情報記録媒体成型装置
IT220211Z2 (it) * 1990-10-02 1993-07-15 Nicem Srl Macchina per la formatura di pezzi mediante fusione centrifuga di metalli, o leghe metalliche, a basso punto di fusione, o di materiali sintetici.
NL9002517A (nl) * 1990-11-19 1992-06-16 Philips Nv Werkwijze voor het vervaardigen van een optisch uitleesbare plaat, alsmede inrichting voor de uitvoering van de werkwijze.
US5226995A (en) * 1991-05-28 1993-07-13 The Rockefeller University Method and apparatus for joining plastic optical fibers
US5439519A (en) * 1992-04-28 1995-08-08 Tokyo Ohka Kogyo Co., Ltd. Solution applying apparatus
DE69424532T2 (de) * 1993-12-23 2001-01-18 Thomson-Csf, Paris Verfahren und optisches system zur aufzeichnung/wiedergabe von information auf einem aufzeichnungsmedium
FR2742911B1 (fr) * 1995-12-21 1998-02-06 Thomson Csf Support d'enregistrement/lecture optique d'informations et procede d'enregistrement
FR2787232B1 (fr) 1998-12-15 2001-02-23 Thomson Csf Disque d'enregistrement optique anti-piratage et procede de lecture d'un tel disque
SE9903011D0 (sv) 1999-08-26 1999-08-26 Aamic Ab Sätt att framställa en plastprodukt och ett härför utnyttjat plastproduktformande arrangemang
SE9903255L (sv) * 1999-09-13 2001-03-14 Aamic Ab Förfarande för att framställa en matris samt en matris sålunda framställd.(Hybridtillämpningen)
FR2805071B1 (fr) 2000-02-11 2002-05-03 Moulage Plastique De L Ouest Disque optique protege contre la copie et procede de protection pour un tel disque
US6692246B1 (en) * 2000-10-31 2004-02-17 Valdas Ltd. (A British Virgin Island Corp.) Apparatus for uninterrupted multi-layer disc manufacturing
WO2002072301A1 (en) * 2001-03-14 2002-09-19 Key-Tech, Inc. Method and apparatus for printing a dye image onto a three dimensional object
US6602452B2 (en) 2001-07-18 2003-08-05 Mcghan Medical Corporation Rotational molding of medical articles
US20070138699A1 (en) * 2005-12-21 2007-06-21 Asml Netherlands B.V. Imprint lithography
JP2008091477A (ja) * 2006-09-29 2008-04-17 Brother Ind Ltd 光量調整装置及び画像形成装置
ES2397688T3 (es) * 2008-11-20 2013-03-08 Allergan, Inc. Sistema y método para moldear capsulas de implantes blandas llenas de fluido

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1179660A (en) * 1909-02-06 1916-04-18 Joseph Sanders Manufacturing sound-record tablets.
US1146391A (en) * 1912-01-30 1915-07-13 New Jersey Patent Co Method of forming molded articles.
US1394034A (en) * 1920-08-20 1921-10-18 John A Mcvickar Process for molding wax records
US2431923A (en) * 1943-08-23 1947-12-02 Rca Corp Photographic record and method of forming same
US3068510A (en) * 1959-12-14 1962-12-18 Radiation Res Corp Polymerizing method and apparatus
US3359129A (en) * 1964-05-15 1967-12-19 Gen Motors Corp Method of photopolymerizing acrylic monomer coatings
US3430966A (en) * 1967-04-03 1969-03-04 Gauss Electrophysics Inc Transparent recording disc
US3639188A (en) * 1970-05-21 1972-02-01 Ibm Method of manufacture of a magnetic disk and recording surface
US3795534A (en) * 1972-04-19 1974-03-05 Rca Corp Manufacture of video discs
US3882214A (en) * 1973-02-09 1975-05-06 Rca Corp Trapezoidal smooth grooves for video disc
US3954469A (en) * 1973-10-01 1976-05-04 Mca Disco-Vision, Inc. Method of creating a replicating matrix
NL164688C (nl) * 1973-10-15 1981-01-15 Mca Disco Vision Werkwijze voor de vervaardiging van een videoschijf waarbij uitgaande van een moedermatrijs eerst een vorm wordt vervaardigd.
US4054635A (en) * 1974-09-26 1977-10-18 American Can Company Copolymer of glycidyl methacrylate and allyl glycidyl ether

Also Published As

Publication number Publication date
FR2397931A1 (fr) 1979-02-16
JPS5423501A (en) 1979-02-22
IT7850383A0 (it) 1978-07-20
US4157931A (en) 1979-06-12
CA1112408A (en) 1981-11-17
GB2001279A (en) 1979-01-31
FR2397931B1 (it) 1980-03-14
GB2001279B (en) 1982-03-17
DE2832144A1 (de) 1979-02-01

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