FR2367598A1 - Procede pour la multiplication de porteurs d'i - Google Patents
Procede pour la multiplication de porteurs d'iInfo
- Publication number
- FR2367598A1 FR2367598A1 FR7731018A FR7731018A FR2367598A1 FR 2367598 A1 FR2367598 A1 FR 2367598A1 FR 7731018 A FR7731018 A FR 7731018A FR 7731018 A FR7731018 A FR 7731018A FR 2367598 A1 FR2367598 A1 FR 2367598A1
- Authority
- FR
- France
- Prior art keywords
- substrate
- resin
- radiation
- application
- carriers
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000011347 resin Substances 0.000 abstract 4
- 229920005989 resin Polymers 0.000 abstract 4
- 239000011159 matrix material Substances 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000000758 substrate Substances 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000969 carrier Substances 0.000 abstract 2
- 238000000465 moulding Methods 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 2
- 239000005357 flat glass Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 abstract 1
- 239000004926 polymethyl methacrylate Substances 0.000 abstract 1
- 229920002994 synthetic fiber Polymers 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
-
- 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
- Y10S156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10S156/918—Delaminating processes adapted for specified product, e.g. delaminating medical specimen slide
- Y10S156/919—Delaminating in preparation for post processing recycling step
- Y10S156/922—Specified electronic component delaminating in preparation for recycling
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
L'invention concerne un procédé pour la multiplication de porteurs d'information en matière synthétique, notamment des disques vidéo, à l'aide d'une matrice métallique munie d'une résine de moulage liquide mince d'une composition spéciale, qui peut être polymérisée par rayonnement. Sur la résine est appliqué un substrat perméable au rayonnement en une matière synthétique, telle que polyméthylméthacrylate. La résine de moulage est exposée par l'intermédiaire du substrat, après quoi la résine durcie, ensemble avec le substrat y relié, est sortie de la matrice. La matrice métallique est de préférence entièrement plane et obtenue par application d'une couche nickel sur le disque maître, c'est-à-dire une plaque en verre plane munie d'une piste d'information suivie d'une application par collage d'une plaque de raidissement plane et finalement de l'enlèvement du disque maître. Le disque père ainsi obtenu peut être utilisé comme matrice. On peut en réaliser d'autres épreuves métalliques. Application aux porteurs d'information vidéo.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7611395A NL7611395A (nl) | 1976-10-15 | 1976-10-15 | Werkwijze voor het vermenigvuldigen van kunst- stof informatiedragers alsmede een in deze werkwijze toegepaste giethars, substraat en matrijs. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2367598A1 true FR2367598A1 (fr) | 1978-05-12 |
FR2367598B1 FR2367598B1 (fr) | 1981-12-18 |
Family
ID=19827055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7731018A Granted FR2367598A1 (fr) | 1976-10-15 | 1977-10-14 | Procede pour la multiplication de porteurs d'i |
Country Status (20)
Country | Link |
---|---|
US (2) | US4275091A (fr) |
JP (2) | JPS5386756A (fr) |
AR (1) | AR218041A1 (fr) |
AT (1) | AT357797B (fr) |
AU (1) | AU514257B2 (fr) |
BE (1) | BE859711A (fr) |
BR (1) | BR7706824A (fr) |
CA (1) | CA1111194A (fr) |
CH (1) | CH644725A5 (fr) |
DD (1) | DD134009A5 (fr) |
DE (1) | DE2744479A1 (fr) |
DK (2) | DK155785C (fr) |
ES (2) | ES463152A1 (fr) |
FR (1) | FR2367598A1 (fr) |
GB (2) | GB1579709A (fr) |
IT (1) | IT1087169B (fr) |
NL (1) | NL7611395A (fr) |
NZ (1) | NZ185413A (fr) |
SE (2) | SE428352B (fr) |
ZA (1) | ZA775429B (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2457538A1 (fr) * | 1979-05-25 | 1980-12-19 | Philips Nv | Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede |
EP0037607A1 (fr) * | 1980-04-08 | 1981-10-14 | Koninklijke Philips Electronics N.V. | Disque d'information lisible par voie optique |
EP0060846A1 (fr) * | 1980-09-22 | 1982-09-29 | Minnesota Mining And Manufacturing Company | Disques metallises de support d'informations |
FR2534720A1 (fr) * | 1982-10-14 | 1984-04-20 | Philips Nv | Procede de fabrication d'une matrice mere |
EP0224312A1 (fr) * | 1985-11-25 | 1987-06-03 | Koninklijke Philips Electronics N.V. | Matrice |
EP0329450A2 (fr) * | 1988-02-17 | 1989-08-23 | Victor Company Of Japan, Limited | Milieu d'enregistrement optique ayant un film mince réfléchissant amélioré |
EP0354773A2 (fr) * | 1988-08-09 | 1990-02-14 | Plasmon Data Systems, Inc. | Fabrication de disques optiques |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7804036A (nl) | 1978-04-17 | 1979-10-19 | Philips Nv | Optisch uitleesbare informatieschijf. |
US4582885A (en) * | 1978-07-20 | 1986-04-15 | 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 |
JPS5677905A (en) * | 1979-11-28 | 1981-06-26 | Matsushita Electric Ind Co Ltd | Disk record |
NL7908966A (nl) * | 1979-12-13 | 1981-07-16 | Philips Nv | Optisch telecommunicatie element, werkwijze voor de vervaardiging ervan en optische telecommunicatiekabel voorzien van het element. |
JPS5687203A (en) * | 1979-12-18 | 1981-07-15 | Toppan Printing Co Ltd | Manufacture of disk |
US4374077A (en) * | 1980-02-01 | 1983-02-15 | Minnesota Mining And Manufacturing Company | Process for making information carrying discs |
US4304806A (en) | 1980-02-01 | 1981-12-08 | Minnesota Mining And Manufacturing Company | Information carrying discs |
USRE31533E (en) * | 1980-02-01 | 1984-03-06 | Minnesota Mining And Manufacturing Company | Information carrying discs |
JPS5715235A (en) * | 1980-07-03 | 1982-01-26 | Matsushita Electric Ind Co Ltd | Manufacture of member for optical information recording and reproduction |
JPS5749529A (en) * | 1980-09-08 | 1982-03-23 | Mitsubishi Electric Corp | Manufacture of replica |
NL8005674A (nl) * | 1980-10-15 | 1982-05-03 | Philips Nv | Optisch uitleesbare informatieschijf. |
JPS5788503A (en) * | 1980-11-20 | 1982-06-02 | Matsushita Electric Ind Co Ltd | Disc-shaped information recording carrier |
JPS57113433A (en) * | 1981-01-07 | 1982-07-14 | Mitsubishi Rayon Co Ltd | Manufacture of imformation recording body |
JPS57130244A (en) * | 1981-02-06 | 1982-08-12 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of disk base plate with groove |
NL8101515A (nl) * | 1981-03-27 | 1982-10-18 | Philips Nv | Optisch uitleesbare informatieschijf en werkwijze voor de vervaardiging ervan. |
US4385372A (en) * | 1981-05-01 | 1983-05-24 | Drexler Technology Corporation | Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information |
JPS58155538A (ja) * | 1982-03-10 | 1983-09-16 | Hitachi Ltd | 光ディスク記録媒体用基板 |
EP0107913B1 (fr) * | 1982-09-29 | 1988-06-22 | Kabushiki Kaisha Toshiba | Corps support sensible aux radiations utilisé comme structure estampeuse |
US4510593A (en) * | 1982-10-18 | 1985-04-09 | Minnesota Mining And Manufacturing Company | Information disk of grooved, metal-coated crosslinked polymeric layer |
JPS5996544A (ja) * | 1982-11-24 | 1984-06-04 | Sony Corp | 光学式情報記録媒体 |
NL8300344A (nl) * | 1983-01-31 | 1984-08-16 | Polygram Bv | Methode voor de vervaardiging van metalen matrijzen. |
US4861699A (en) * | 1983-03-16 | 1989-08-29 | U.S. Philips Corporation | Method of making a master disk used in making optical readable information disks |
FR2548578B1 (fr) * | 1983-07-04 | 1986-01-31 | Thomson Csf | Procede de fabrication de disques optiques par pressage et disque obtenu par un tel procede |
JPS6016332U (ja) * | 1983-07-13 | 1985-02-04 | 富士通株式会社 | 複製母型 |
JPS6028048A (ja) * | 1983-07-25 | 1985-02-13 | Matsushita Electric Ind Co Ltd | マスタ−スタンパ−の製造方法 |
NL8400868A (nl) * | 1984-03-19 | 1984-10-01 | Philips Nv | Gelaagde optische component. |
JPS61177215A (ja) * | 1985-02-02 | 1986-08-08 | Mitsubishi Electric Corp | フレネルレンズの製造方法 |
US4632898A (en) * | 1985-04-15 | 1986-12-30 | Eastman Kodak Company | Process for fabricating glass tooling |
US4619804A (en) * | 1985-04-15 | 1986-10-28 | Eastman Kodak Company | Fabricating optical record media |
NL8702493A (nl) * | 1986-10-31 | 1988-05-16 | Seiko Epson Corp | Optisch opnamemedium en werkwijze voor het vervaardigen daarvan. |
JP2947812B2 (ja) * | 1989-03-20 | 1999-09-13 | 株式会社日立製作所 | レプリカ板及びその製造方法及びそれを用いた投射型テレビジヨン |
US5145076A (en) * | 1990-11-13 | 1992-09-08 | Zeftek, Inc. | Plastic knuckle pin with annular relief grooves for preventing pin failure due to fatigue |
JPH04370548A (ja) * | 1991-06-20 | 1992-12-22 | Pioneer Electron Corp | 光記録ディスク用基体の製造方法およびそれを実施するための装置 |
JPH08306069A (ja) * | 1995-05-11 | 1996-11-22 | Seiko Epson Corp | 光ディスクおよび光ディスクの製造方法 |
US5714218A (en) | 1995-08-21 | 1998-02-03 | Dainippon Printing Co., Ltd. | Ionizing radiation-curable resin composition for optical article, optical article, and surface light source |
US6204214B1 (en) * | 1996-03-18 | 2001-03-20 | University Of Chicago | Pumpable/injectable phosphate-bonded ceramics |
WO1998002875A1 (fr) * | 1996-07-11 | 1998-01-22 | Seiko Epson Corporation | Disque optique et procede de production de ce dernier, et procede de production d'un materiau formant feuille |
JPH1166638A (ja) | 1997-08-25 | 1999-03-09 | Seiko Epson Corp | 光記録媒体の製造方法及び製造装置 |
US6055140A (en) * | 1997-07-25 | 2000-04-25 | Seagate Technology, Inc. | Rigid disc plastic substrate with high stiffness insert |
JP3777737B2 (ja) | 1997-08-25 | 2006-05-24 | セイコーエプソン株式会社 | パターン形成基板の製造装置、及びパターン形成基板の製造方法 |
JP2004522688A (ja) * | 2001-08-10 | 2004-07-29 | セラテック,インコーポレイテッド | 複合材料並びに該複合材料の製造及び使用方法 |
US20030108710A1 (en) * | 2001-12-07 | 2003-06-12 | General Electric Company | Articles bearing patterned microstructures and method of making |
US20060056031A1 (en) * | 2004-09-10 | 2006-03-16 | Capaldo Kevin P | Brightness enhancement film, and methods of making and using the same |
US7341784B2 (en) * | 2004-09-10 | 2008-03-11 | General Electric Company | Light management film and its preparation and use |
JP5647965B2 (ja) * | 2011-09-30 | 2015-01-07 | 日立コンシューマエレクトロニクス株式会社 | 光情報記録再生装置、光情報記録装置、光情報記録再生方法、光情報記録媒体 |
DE102016100288A1 (de) * | 2016-01-11 | 2017-07-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Farbkonstante Oberflächen |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2361082A (en) * | 1941-09-29 | 1944-10-24 | Nathan J Brown | Method of making waterproof tracing cloth |
US3153022A (en) * | 1958-10-03 | 1964-10-13 | Du Pont | Monomer-polymer acrylic sirups |
US3043820A (en) * | 1960-10-14 | 1962-07-10 | Robert H Krieble | Anaerobic curing sealant composition having extended shelf stability |
SE394600B (sv) * | 1967-03-17 | 1977-07-04 | Thams J P B | Forfarande for framstellning av en beleggning med onskad ytstruktur pa ett foremal |
US3684348A (en) * | 1970-09-29 | 1972-08-15 | Rowland Dev Corp | Retroreflective material |
JPS5127368B2 (fr) * | 1971-08-11 | 1976-08-12 | ||
JPS523431B2 (fr) * | 1971-10-30 | 1977-01-27 | ||
JPS4860903A (fr) * | 1971-11-30 | 1973-08-27 | ||
US3935359A (en) * | 1972-06-23 | 1976-01-27 | Rowland Development Corporation | Retroreflective sheeting and method and apparatus for producing same |
JPS4992152A (fr) * | 1972-10-23 | 1974-09-03 | ||
JPS5056901A (fr) * | 1973-09-14 | 1975-05-19 | ||
JPS5057602A (fr) * | 1973-09-21 | 1975-05-20 | ||
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. |
JPS5833604B2 (ja) * | 1973-12-22 | 1983-07-21 | 日本コロムビア株式会社 | レコ−ド用原盤の製造法 |
US4042654A (en) * | 1975-03-13 | 1977-08-16 | Eastman Kodak Company | Manufacture of plastic parts by radiation molding |
US4113894A (en) * | 1976-10-12 | 1978-09-12 | George Koch Sons, Inc. | Radiation curable coating process |
NL7713710A (nl) * | 1977-12-12 | 1979-06-14 | Philips Nv | Schijfvormige informatiedrager met afdeklagen. |
NL7804036A (nl) * | 1978-04-17 | 1979-10-19 | Philips Nv | Optisch uitleesbare informatieschijf. |
NL7900281A (nl) * | 1979-01-15 | 1980-07-17 | Philips Nv | Optische registratie-inrichting alsmede een werkwijze voor het registreren van informatie langs optische weg. |
US4363844A (en) * | 1980-09-22 | 1982-12-14 | Lewis Terry W | Metallized information carrying discs |
-
1976
- 1976-10-15 NL NL7611395A patent/NL7611395A/xx not_active Application Discontinuation
-
1977
- 1977-09-09 ZA ZA00775429A patent/ZA775429B/xx unknown
- 1977-10-04 DE DE19772744479 patent/DE2744479A1/de active Granted
- 1977-10-05 CA CA288,224A patent/CA1111194A/fr not_active Expired
- 1977-10-12 SE SE7711442A patent/SE428352B/xx not_active IP Right Cessation
- 1977-10-12 AU AU29608/77A patent/AU514257B2/en not_active Expired
- 1977-10-12 AT AT729377A patent/AT357797B/de not_active IP Right Cessation
- 1977-10-12 CH CH1246277A patent/CH644725A5/de not_active IP Right Cessation
- 1977-10-12 NZ NZ185413A patent/NZ185413A/xx unknown
- 1977-10-12 DK DK453477A patent/DK155785C/da active
- 1977-10-12 GB GB43482/77A patent/GB1579709A/en not_active Expired
- 1977-10-12 GB GB23014/79A patent/GB1579710A/en not_active Expired
- 1977-10-12 DD DD77201482A patent/DD134009A5/xx not_active IP Right Cessation
- 1977-10-12 BR BR7706824A patent/BR7706824A/pt unknown
- 1977-10-12 AR AR269566A patent/AR218041A1/es active
- 1977-10-12 IT IT28518/77A patent/IT1087169B/it active
- 1977-10-13 BE BE181733A patent/BE859711A/fr not_active IP Right Cessation
- 1977-10-13 ES ES463152A patent/ES463152A1/es not_active Expired
- 1977-10-14 FR FR7731018A patent/FR2367598A1/fr active Granted
- 1977-10-14 JP JP12342977A patent/JPS5386756A/ja active Granted
-
1978
- 1978-03-03 ES ES467564A patent/ES467564A1/es not_active Expired
-
1979
- 1979-11-16 US US06/095,130 patent/US4275091A/en not_active Expired - Lifetime
-
1980
- 1980-10-27 US US06/200,666 patent/US4440586A/en not_active Expired - Lifetime
-
1983
- 1983-04-29 SE SE8302433A patent/SE451787B/sv not_active IP Right Cessation
-
1984
- 1984-10-12 JP JP59212785A patent/JPS60228115A/ja active Pending
-
1988
- 1988-05-06 DK DK248188A patent/DK248188D0/da not_active Application Discontinuation
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2457538A1 (fr) * | 1979-05-25 | 1980-12-19 | Philips Nv | Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede |
EP0037607A1 (fr) * | 1980-04-08 | 1981-10-14 | Koninklijke Philips Electronics N.V. | Disque d'information lisible par voie optique |
EP0060846A1 (fr) * | 1980-09-22 | 1982-09-29 | Minnesota Mining And Manufacturing Company | Disques metallises de support d'informations |
EP0060846A4 (fr) * | 1980-09-22 | 1983-04-06 | Minnesota Mining & Mfg | Disques metallises de support d'informations. |
FR2534720A1 (fr) * | 1982-10-14 | 1984-04-20 | Philips Nv | Procede de fabrication d'une matrice mere |
GB2128206A (en) * | 1982-10-14 | 1984-04-26 | Philips Nv | Manufacturing a mother matrix having an information track |
EP0224312A1 (fr) * | 1985-11-25 | 1987-06-03 | Koninklijke Philips Electronics N.V. | Matrice |
EP0329450A2 (fr) * | 1988-02-17 | 1989-08-23 | Victor Company Of Japan, Limited | Milieu d'enregistrement optique ayant un film mince réfléchissant amélioré |
EP0329450B1 (fr) * | 1988-02-17 | 1994-12-28 | Victor Company Of Japan, Limited | Milieu d'enregistrement optique ayant un film mince réfléchissant amélioré |
EP0354773A2 (fr) * | 1988-08-09 | 1990-02-14 | Plasmon Data Systems, Inc. | Fabrication de disques optiques |
EP0354773A3 (en) * | 1988-08-09 | 1990-09-12 | Plasmon Data Systems, Inc. | Optical disk manufacture |
Also Published As
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