GB2176144B - Method for recording secondary information on a disc - Google Patents
Method for recording secondary information on a discInfo
- Publication number
- GB2176144B GB2176144B GB8610362A GB8610362A GB2176144B GB 2176144 B GB2176144 B GB 2176144B GB 8610362 A GB8610362 A GB 8610362A GB 8610362 A GB8610362 A GB 8610362A GB 2176144 B GB2176144 B GB 2176144B
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- secondary information
- recording secondary
- recording
- information
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B7/00—Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/002—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
- B29D17/005—Producing optically read record carriers, e.g. optical discs
-
- 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
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
-
- 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
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60090653A JPS61248250A (en) | 1985-04-26 | 1985-04-26 | Production of disk-like recording medium |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8610362D0 GB8610362D0 (en) | 1986-06-04 |
GB2176144A GB2176144A (en) | 1986-12-17 |
GB2176144B true GB2176144B (en) | 1989-06-28 |
Family
ID=14004476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8610362A Expired GB2176144B (en) | 1985-04-26 | 1986-04-28 | Method for recording secondary information on a disc |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS61248250A (en) |
GB (1) | GB2176144B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3715315A1 (en) * | 1987-05-08 | 1988-11-24 | Philips & Du Pont Optical | METHOD FOR MARKING DISK-SHAPED INFORMATION CARRIERS |
DE68908201T2 (en) * | 1988-02-19 | 1994-03-03 | Philips & Du Pont Optical | Method for attaching information to an optical disc that is prepared exclusively for reading. |
USRE39653E1 (en) | 1994-11-17 | 2007-05-22 | Matsushita Electric Industrial Co., Ltd. | Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk |
EP2256725B1 (en) | 1994-11-17 | 2011-08-17 | Panasonic Corporation | Optical disk |
US6814897B2 (en) * | 1998-03-27 | 2004-11-09 | Discovision Associates | Method for manufacturing a molding tool used for substrate molding |
US20060274617A1 (en) * | 2005-06-03 | 2006-12-07 | Musto James J | Techniques for forming burst cutting area mark |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1341049A (en) * | 1970-05-25 | 1973-12-19 | Victor Company Of Japan | Synthetic resin moulded product having a moulded label equivalent portion and method of manufacturing the same |
GB2069219A (en) * | 1980-01-09 | 1981-08-19 | Philips Nv | Optically readable digital information disc and manufacturing, recording and reading apparatus therefore |
EP0077641A2 (en) * | 1981-10-15 | 1983-04-27 | BURROUGHS CORPORATION (a Delaware corporation) | Method for improved focusing control in an optical memory system |
EP0145789A1 (en) * | 1983-06-07 | 1985-06-26 | Matsushita Electric Industrial Co., Ltd. | Disc-shaped recording medium |
US4553228A (en) * | 1982-03-12 | 1985-11-12 | Thomson-Csf | Mobile pre-etched data carrier and an optical tracking device using such a carrier |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE386757B (en) * | 1972-04-21 | 1976-08-16 | Ted Bildplatten | PROCEDURE AND DEVICE FOR PREPARING A READABLE MARK ON THE MIRROR PART OF A DISC SHAPED INFORMATION CARRIER |
JPS60197958A (en) * | 1984-03-19 | 1985-10-07 | Matsushita Electric Ind Co Ltd | Optical disk |
-
1985
- 1985-04-26 JP JP60090653A patent/JPS61248250A/en active Granted
-
1986
- 1986-04-28 GB GB8610362A patent/GB2176144B/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1341049A (en) * | 1970-05-25 | 1973-12-19 | Victor Company Of Japan | Synthetic resin moulded product having a moulded label equivalent portion and method of manufacturing the same |
GB2069219A (en) * | 1980-01-09 | 1981-08-19 | Philips Nv | Optically readable digital information disc and manufacturing, recording and reading apparatus therefore |
EP0077641A2 (en) * | 1981-10-15 | 1983-04-27 | BURROUGHS CORPORATION (a Delaware corporation) | Method for improved focusing control in an optical memory system |
US4553228A (en) * | 1982-03-12 | 1985-11-12 | Thomson-Csf | Mobile pre-etched data carrier and an optical tracking device using such a carrier |
EP0145789A1 (en) * | 1983-06-07 | 1985-06-26 | Matsushita Electric Industrial Co., Ltd. | Disc-shaped recording medium |
Also Published As
Publication number | Publication date |
---|---|
GB2176144A (en) | 1986-12-17 |
JPH0375947B2 (en) | 1991-12-03 |
GB8610362D0 (en) | 1986-06-04 |
JPS61248250A (en) | 1986-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960428 |