HK26990A - Method of making disc copies from an original recording on a matrix - Google Patents
Method of making disc copies from an original recording on a matrixInfo
- Publication number
- HK26990A HK26990A HK269/90A HK26990A HK26990A HK 26990 A HK26990 A HK 26990A HK 269/90 A HK269/90 A HK 269/90A HK 26990 A HK26990 A HK 26990A HK 26990 A HK26990 A HK 26990A
- Authority
- HK
- Hong Kong
- Prior art keywords
- matrix
- original recording
- making disc
- disc copies
- copies
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
-
- 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
-
- 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
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/81—Sound record
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8120854A FR2516286A1 (fr) | 1981-11-06 | 1981-11-06 | Procede d'obtention d'un disque-copie a partir d'une gravure originale portee par une matrice |
Publications (1)
Publication Number | Publication Date |
---|---|
HK26990A true HK26990A (en) | 1990-04-12 |
Family
ID=9263771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK269/90A HK26990A (en) | 1981-11-06 | 1990-04-04 | Method of making disc copies from an original recording on a matrix |
Country Status (7)
Country | Link |
---|---|
US (1) | US4452748A (xx) |
EP (1) | EP0079262B1 (xx) |
JP (1) | JPS5884731A (xx) |
CA (1) | CA1197006A (xx) |
DE (1) | DE3265647D1 (xx) |
FR (1) | FR2516286A1 (xx) |
HK (1) | HK26990A (xx) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6098125U (ja) * | 1983-12-06 | 1985-07-04 | パイオニア株式会社 | 情報記録円板 |
US5273598A (en) * | 1985-02-18 | 1993-12-28 | Hitachi Maxell, Ltd. | Optical disc manufacturing method |
JPS62105616A (ja) * | 1985-11-01 | 1987-05-16 | Daicel Chem Ind Ltd | 光デイスクの射出成形用金型 |
EP0245461A1 (en) * | 1985-11-18 | 1987-11-19 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Process for making optical recording media |
JPS61148033A (ja) * | 1985-12-06 | 1986-07-05 | Hitachi Ltd | デイスクの複製装置 |
JPS6334108A (ja) * | 1986-07-30 | 1988-02-13 | Hitachi Ltd | 光デイスク用基板の製造方法および装置 |
US4961886A (en) * | 1988-06-09 | 1990-10-09 | Dow Corning Corporation | Method of controlling flow by a radiation formed dam |
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. |
JP3207530B2 (ja) * | 1992-06-30 | 2001-09-10 | 阿波エンジニアリング株式会社 | 光ディスクの製造方法 |
US5787068A (en) * | 1996-11-07 | 1998-07-28 | Imation Corp. | Method and arrangement for preventing unauthorized duplication of optical discs using barriers |
WO2005095082A1 (ja) * | 2004-03-31 | 2005-10-13 | Sumitomo Heavy Industries, Ltd. | ディスク成形用金型、鏡面板及び成形品 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2346760A (en) * | 1941-07-21 | 1944-04-18 | Jackson O Kleber | Wave record mold |
NL177721B (nl) * | 1977-03-14 | 1985-06-03 | Philips Nv | Werkwijze voor het vervaardigen van een kunststofinformatiedrager met gelaagde structuur alsmede een inrichting voor het uitvoeren van de werkwijze. |
NL7906117A (nl) * | 1979-08-10 | 1981-02-12 | Philips Nv | Werkwijze en inrichting voor het vervaardigen van een kunststofinformatiedrager. |
FR2468456A1 (fr) * | 1979-09-06 | 1981-05-08 | Thomson Csf | Dispositif de moulage de disques porteurs d'informations |
-
1981
- 1981-11-06 FR FR8120854A patent/FR2516286A1/fr active Granted
-
1982
- 1982-09-23 US US06/422,083 patent/US4452748A/en not_active Expired - Lifetime
- 1982-10-22 EP EP82401952A patent/EP0079262B1/fr not_active Expired
- 1982-10-22 DE DE8282401952T patent/DE3265647D1/de not_active Expired
- 1982-11-02 CA CA000414681A patent/CA1197006A/en not_active Expired
- 1982-11-05 JP JP57193575A patent/JPS5884731A/ja active Granted
-
1990
- 1990-04-04 HK HK269/90A patent/HK26990A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5884731A (ja) | 1983-05-20 |
EP0079262B1 (fr) | 1985-08-21 |
CA1197006A (en) | 1985-11-19 |
FR2516286A1 (fr) | 1983-05-13 |
US4452748A (en) | 1984-06-05 |
JPH0428538B2 (xx) | 1992-05-14 |
DE3265647D1 (en) | 1985-09-26 |
FR2516286B1 (xx) | 1983-12-23 |
EP0079262A1 (fr) | 1983-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3167483D1 (en) | A method of producing an information recording disk | |
GB2108710B (en) | System for developing a photo-resist material used as a recording medium | |
DE3275037D1 (en) | Information recording/reproducing apparatus | |
JPS57189245A (en) | Presorting of file record data | |
DE3274943D1 (en) | Method for the equalization of a data signal | |
GB2119998B (en) | Method for recording information on a recording disc | |
DE3273755D1 (en) | A method for manufacturing an information memory disk | |
DE3272689D1 (en) | Electrophotographic recording method | |
GB2113891B (en) | Method for recording information on a recording disc | |
JPS57184382A (en) | Method of recording digital video information | |
DE3170935D1 (en) | A reproduction system and method for producing copies | |
DE3265647D1 (en) | Method of making disc copies from an original recording on a matrix | |
DE3269656D1 (en) | Record disc reproducing apparatus | |
HK51186A (en) | Method of writing signal information on a disc | |
GB2108707B (en) | Method and system for developing a photo-resist material used as a recording medium | |
DE3271801D1 (en) | Radiation image recording and reproducing method | |
EP0116936A3 (en) | Method for recording data and camera for creating a data record on a photosensitive medium | |
GB2103863B (en) | A disk reproducing apparatus | |
GB2105090B (en) | A disc reproducing apparatus | |
GB2103110B (en) | Method of making a magnetic recording medium | |
GB2114547B (en) | Apparatus for mounting a recording medium | |
GB2093246B (en) | Recorders for recording data | |
GB2155272B (en) | Method of, and apparatus for, allocating recording areas on photosensitive film | |
JPS57188176A (en) | Electron recording method | |
GB8409360D0 (en) | Data recording method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |