CA1157150A - Permanent thermo-optical memory structure - Google Patents
Permanent thermo-optical memory structureInfo
- Publication number
- CA1157150A CA1157150A CA000369794A CA369794A CA1157150A CA 1157150 A CA1157150 A CA 1157150A CA 000369794 A CA000369794 A CA 000369794A CA 369794 A CA369794 A CA 369794A CA 1157150 A CA1157150 A CA 1157150A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- expansible
- metal layer
- memory structure
- ductile
- 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
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 239000002184 metal Substances 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910052793 cadmium Inorganic materials 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- 229910052716 thallium Inorganic materials 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 8
- 230000002745 absorbent Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 208000032912 Local swelling Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002246A FR2475271A1 (fr) | 1980-02-01 | 1980-02-01 | Structure de memoire permanente, a inscription thermo-optique et lecture optique, et procede d'inscription dans une telle structure |
| FR8002246 | 1980-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1157150A true CA1157150A (en) | 1983-11-15 |
Family
ID=9238114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000369794A Expired CA1157150A (en) | 1980-02-01 | 1981-01-30 | Permanent thermo-optical memory structure |
Country Status (6)
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408213A (en) * | 1981-10-30 | 1983-10-04 | Rca Corporation | Reinforced bubble recording medium and information record |
| JPS58501886A (ja) * | 1981-11-09 | 1983-11-04 | バロ−ス・コ−ポレ−ション | 低出力放射および関連した媒体を用いる記録保管デ−タ記録システム |
| WO1983001703A1 (en) * | 1981-11-09 | 1983-05-11 | Burroughs Corp | Method of archival data recording and related media |
| JPS58142894A (ja) * | 1982-02-19 | 1983-08-25 | Toshiba Corp | 光学的情報記録媒体 |
| JPS595097A (ja) * | 1982-07-02 | 1984-01-11 | Nec Corp | 光記録方式 |
| KR870002142B1 (ko) * | 1982-09-20 | 1987-12-12 | 디스커비소젼 어시에이츠 | 광학 기록 매체 및 그의 제조방법 |
| EP0107913B1 (en) * | 1982-09-29 | 1988-06-22 | Kabushiki Kaisha Toshiba | Radiation-sensitive carrier body utilized as stamper structure |
| JPS59119550A (ja) * | 1982-12-27 | 1984-07-10 | Toshiba Corp | 情報記録用部材 |
| JPS5958640A (ja) * | 1982-09-29 | 1984-04-04 | Toshiba Corp | 基板成形用スタンパ |
| JPH071556B2 (ja) * | 1983-03-26 | 1995-01-11 | パイオニア株式会社 | ディスクの情報記録方法 |
| US4852075A (en) * | 1983-08-22 | 1989-07-25 | Optical Data, Inc. | Erasable optical data storage medium and method and apparatus for recording data on the medium |
| US4719615A (en) * | 1983-08-22 | 1988-01-12 | Optical Data, Inc. | Erasable optical data storage medium |
| US4631704A (en) * | 1983-12-15 | 1986-12-23 | The University Of Houston | Methods and devices for charged beam accessible data storage |
| US4638335A (en) * | 1983-12-29 | 1987-01-20 | Xerox Corporation | Optical recording member |
| JPS6174891A (ja) * | 1984-09-21 | 1986-04-17 | Tdk Corp | 光記録方法 |
| JPH0639189B2 (ja) * | 1984-11-30 | 1994-05-25 | ティーディーケイ株式会社 | 光カ−ド |
| US4780867A (en) * | 1986-10-02 | 1988-10-25 | Optical Data, Inc. | Method for erasably recording data by viscoelastic shear deformation |
| US4825430A (en) * | 1986-12-19 | 1989-04-25 | Optical Data, Inc. | Erasable optical data storage medium having an embedded servo track and a subsurface recording interface |
| JPS63200331A (ja) * | 1987-02-13 | 1988-08-18 | Toshiba Corp | 記録媒体及び記録再生方法 |
| US5214632A (en) * | 1987-12-23 | 1993-05-25 | U.S. Philips Corporation | Method of manufacturing a matrix and a master plate suitable for use in the method |
| US5079758A (en) * | 1989-09-28 | 1992-01-07 | Tandy Corporation | Single polymer layer recordable/erasable optical media |
| JP3088168B2 (ja) * | 1991-12-13 | 2000-09-18 | ティーディーケイ株式会社 | 光記録媒体およびその製造方法 |
| JP6835040B2 (ja) * | 2018-06-19 | 2021-02-24 | カシオ計算機株式会社 | 樹脂成形シートの製造方法及び造形物の製造方法 |
| JP6809515B2 (ja) * | 2018-08-08 | 2021-01-06 | カシオ計算機株式会社 | 樹脂成形シート、樹脂成形シートの製造方法、造形物及び造形物の製造方法 |
| JP6879274B2 (ja) * | 2018-08-10 | 2021-06-02 | カシオ計算機株式会社 | 樹脂成形シート、樹脂成形シートの製造方法、造形物及び造形物の製造方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1574687B2 (de) * | 1968-02-06 | 1978-08-10 | Robert Bosch Gmbh, 7000 Stuttgart | Aufzeichnungsträger für Informationen |
| US3866187A (en) * | 1973-07-02 | 1975-02-11 | Philips Corp | Method of recording and reproducing information in ferroelastic metals |
| US4004080A (en) * | 1975-07-25 | 1977-01-18 | Rca Corporation | Metal coating for video discs |
| FR2368779A1 (fr) * | 1976-10-22 | 1978-05-19 | Thomson Brandt | Support thermosensible destine a l'enregistrement d'information et procede d'enregistrement d'information sur un tel support |
| CH604215A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-12-21 | 1978-08-31 | Landis & Gyr Ag | |
| DE2744533A1 (de) * | 1977-10-04 | 1979-04-12 | Polygram Gmbh | Plattenfoermiger traeger zur optischen aufzeichnung und wiedergabe von signalen |
| JPS553971A (en) * | 1978-06-26 | 1980-01-12 | Fuji Photo Film Co Ltd | Thermal recording material |
| US4264986A (en) * | 1979-03-12 | 1981-04-28 | Willis Craig I | Information-recording process & apparatus |
| US4285056A (en) * | 1979-10-17 | 1981-08-18 | Rca Corporation | Replicable optical recording medium |
| US4300227A (en) * | 1979-10-17 | 1981-11-10 | Rca Corporation | Replicable optical recording medium |
-
1980
- 1980-02-01 FR FR8002246A patent/FR2475271A1/fr active Granted
- 1980-12-24 EP EP80401865A patent/EP0033431B1/fr not_active Expired
- 1980-12-24 DE DE8080401865T patent/DE3065796D1/de not_active Expired
-
1981
- 1981-01-27 US US06/228,722 patent/US4360895A/en not_active Expired - Lifetime
- 1981-01-28 JP JP1031581A patent/JPS56124135A/ja active Granted
- 1981-01-30 CA CA000369794A patent/CA1157150A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0033431A1 (fr) | 1981-08-12 |
| EP0033431B1 (fr) | 1983-11-30 |
| JPH0323980B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-04-02 |
| US4360895A (en) | 1982-11-23 |
| FR2475271A1 (fr) | 1981-08-07 |
| JPS56124135A (en) | 1981-09-29 |
| FR2475271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-05-18 |
| DE3065796D1 (en) | 1984-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |