DE3724622A1 - Optisches informationsspeichermedium - Google Patents
Optisches informationsspeichermediumInfo
- Publication number
- DE3724622A1 DE3724622A1 DE19873724622 DE3724622A DE3724622A1 DE 3724622 A1 DE3724622 A1 DE 3724622A1 DE 19873724622 DE19873724622 DE 19873724622 DE 3724622 A DE3724622 A DE 3724622A DE 3724622 A1 DE3724622 A1 DE 3724622A1
- Authority
- DE
- Germany
- Prior art keywords
- pits
- tracking
- storage medium
- grooves
- signal
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 97
- 238000003860 storage Methods 0.000 title claims abstract description 78
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 230000000052 comparative effect Effects 0.000 description 6
- 238000009500 colour coating Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61175296A JP2637077B2 (ja) | 1986-07-25 | 1986-07-25 | 光学的情報記録媒体 |
| JP61175295A JP2633834B2 (ja) | 1986-07-25 | 1986-07-25 | 光学的情報記録媒体 |
| JP61180707A JP2633835B2 (ja) | 1986-07-31 | 1986-07-31 | 光学的情報記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3724622A1 true DE3724622A1 (de) | 1988-01-28 |
| DE3724622C2 DE3724622C2 (enrdf_load_stackoverflow) | 1990-06-07 |
Family
ID=27324082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873724622 Granted DE3724622A1 (de) | 1986-07-25 | 1987-07-25 | Optisches informationsspeichermedium |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3724622A1 (enrdf_load_stackoverflow) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804752C1 (en) * | 1988-02-16 | 1989-07-13 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Digital optical read-only memory and method of tracking control in such an optical read-only memory |
| DE4119384A1 (de) * | 1990-06-12 | 1991-12-19 | Olympus Optical Co | Optisches aufnahmemedium sowie aufnahme- und wiedergabevorrichtung dafuer |
| EP0447711A3 (en) * | 1990-02-20 | 1992-03-25 | Del Mar Avionics | Process for manufacturing an optical disk master |
| EP0414429A3 (en) * | 1989-08-22 | 1992-04-29 | Sony Corporation | Optical disc |
| EP0517490A3 (en) * | 1991-06-04 | 1993-03-03 | International Business Machines Corporation | Multiple data surface optical medium and data storage system |
| DE4311683A1 (de) * | 1993-04-08 | 1994-10-13 | Sonopress Prod | Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung |
| US5418773A (en) * | 1992-07-03 | 1995-05-23 | International Business Machines Corporation | Zoned record carrier |
| US5449590A (en) * | 1991-06-04 | 1995-09-12 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5487060A (en) * | 1991-06-04 | 1996-01-23 | International Business Machines Corporation | Multiple data surface data storage system and method |
| US5586107A (en) * | 1991-06-04 | 1996-12-17 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5644555A (en) * | 1995-01-19 | 1997-07-01 | International Business Machines Corporation | Multiple data surface magneto-optical data storage system |
| US5666344A (en) * | 1991-06-04 | 1997-09-09 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5979772A (en) * | 1996-03-27 | 1999-11-09 | Dai Nippon Printing Co., Ltd. | Optical card |
| US6078945A (en) * | 1995-06-21 | 2000-06-20 | Tao Group Limited | Operating system for use with computer networks incorporating two or more data processors linked together for parallel processing and incorporating improved dynamic load-sharing techniques |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4025055B4 (de) * | 1990-08-07 | 2004-06-03 | Base Ten Systems Electronics Gmbh | Positionsauslesevorrichtung, insbesondere für Maschinen- und Drehtisch-Steuerungen |
| US5414652A (en) * | 1993-08-27 | 1995-05-09 | Sharp Kabushiki Kaisha | Magneto-optical memory element |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2048431A1 (de) * | 1970-08-05 | 1972-04-06 | Licentia Gmbh | Verfahren zum Aufzeichnen von Infor mationen, vorzugsweise von solchen großer Bandbreite im Bereich von mehreren MHz, auf einem Trager |
| DE2608715A1 (de) * | 1976-03-03 | 1977-09-08 | Philips Patentverwaltung | Optisches verfahren zum speichern und wiedergewinnen digitaler daten |
| DE2944744A1 (de) * | 1978-11-08 | 1980-05-22 | Philips Nv | Auf optischem wege einschreibbarer aufzeichnungstraeger |
-
1987
- 1987-07-25 DE DE19873724622 patent/DE3724622A1/de active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2048431A1 (de) * | 1970-08-05 | 1972-04-06 | Licentia Gmbh | Verfahren zum Aufzeichnen von Infor mationen, vorzugsweise von solchen großer Bandbreite im Bereich von mehreren MHz, auf einem Trager |
| DE2608715A1 (de) * | 1976-03-03 | 1977-09-08 | Philips Patentverwaltung | Optisches verfahren zum speichern und wiedergewinnen digitaler daten |
| DE2944744A1 (de) * | 1978-11-08 | 1980-05-22 | Philips Nv | Auf optischem wege einschreibbarer aufzeichnungstraeger |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804752C1 (en) * | 1988-02-16 | 1989-07-13 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Digital optical read-only memory and method of tracking control in such an optical read-only memory |
| EP0414429A3 (en) * | 1989-08-22 | 1992-04-29 | Sony Corporation | Optical disc |
| EP0447711A3 (en) * | 1990-02-20 | 1992-03-25 | Del Mar Avionics | Process for manufacturing an optical disk master |
| US5386410A (en) * | 1990-06-12 | 1995-01-31 | Olympus Optical Co., Ltd. | Optical recording medium and recording and reproducing apparatus of the same |
| DE4119384A1 (de) * | 1990-06-12 | 1991-12-19 | Olympus Optical Co | Optisches aufnahmemedium sowie aufnahme- und wiedergabevorrichtung dafuer |
| US5508990A (en) * | 1990-06-12 | 1996-04-16 | Olympus Optical Co., Ltd. | Optical recording and reproducing apparatus using optical recording medium |
| US5598398A (en) * | 1991-06-04 | 1997-01-28 | International Business Machines Corporation | Multiple data surface optical data storage system |
| EP0517490A3 (en) * | 1991-06-04 | 1993-03-03 | International Business Machines Corporation | Multiple data surface optical medium and data storage system |
| US5410530A (en) * | 1991-06-04 | 1995-04-25 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5905700A (en) * | 1991-06-04 | 1999-05-18 | International Business Machines Corporation | Multiple data layer optical disk with recorded information identifying the type of tracking |
| US5446723A (en) * | 1991-06-04 | 1995-08-29 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5449590A (en) * | 1991-06-04 | 1995-09-12 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5487060A (en) * | 1991-06-04 | 1996-01-23 | International Business Machines Corporation | Multiple data surface data storage system and method |
| US5745473A (en) * | 1991-06-04 | 1998-04-28 | International Business Machines Corporation | Multiple data layer optical disk with recorded information identifying the type of tracking |
| US5586107A (en) * | 1991-06-04 | 1996-12-17 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5381401A (en) * | 1991-06-04 | 1995-01-10 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5606546A (en) * | 1991-06-04 | 1997-02-25 | International Business Machines Corporation | Optical data storage medium with multiple writable data layers separated by dieletric layers |
| US5666344A (en) * | 1991-06-04 | 1997-09-09 | International Business Machines Corporation | Multiple data surface optical data storage system |
| US5418773A (en) * | 1992-07-03 | 1995-05-23 | International Business Machines Corporation | Zoned record carrier |
| DE4311683A1 (de) * | 1993-04-08 | 1994-10-13 | Sonopress Prod | Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung |
| US5644555A (en) * | 1995-01-19 | 1997-07-01 | International Business Machines Corporation | Multiple data surface magneto-optical data storage system |
| US6078945A (en) * | 1995-06-21 | 2000-06-20 | Tao Group Limited | Operating system for use with computer networks incorporating two or more data processors linked together for parallel processing and incorporating improved dynamic load-sharing techniques |
| US5979772A (en) * | 1996-03-27 | 1999-11-09 | Dai Nippon Printing Co., Ltd. | Optical card |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3724622C2 (enrdf_load_stackoverflow) | 1990-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |