CA1228423A - Record carrier in which information can be written and which can be read by optical means - Google Patents
Record carrier in which information can be written and which can be read by optical meansInfo
- Publication number
- CA1228423A CA1228423A CA000453388A CA453388A CA1228423A CA 1228423 A CA1228423 A CA 1228423A CA 000453388 A CA000453388 A CA 000453388A CA 453388 A CA453388 A CA 453388A CA 1228423 A CA1228423 A CA 1228423A
- Authority
- CA
- Canada
- Prior art keywords
- track
- record carrier
- layer
- thickness
- recording layer
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 230000005855 radiation Effects 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 125000004430 oxygen atom Chemical group O* 0.000 claims 1
- 239000000975 dye Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 15
- 238000002310 reflectometry Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 239000004922 lacquer Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052714 tellurium Inorganic materials 0.000 description 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 1
- 241001424413 Lucia Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 235000021251 pulses Nutrition 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000001771 vacuum deposition 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
- G11B7/241—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
- G11B7/244—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 organic materials only
- G11B7/246—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 organic materials only containing dyes
-
- 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
-
- 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
-
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2531—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising glass
-
- 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
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8301632A NL8301632A (nl) | 1983-05-09 | 1983-05-09 | Registratiedrager waarin langs optische weg informatie kan worden ingeschreven en uitgelezen. |
NL8301632 | 1983-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1228423A true CA1228423A (en) | 1987-10-20 |
Family
ID=19841827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000453388A Expired CA1228423A (en) | 1983-05-09 | 1984-05-02 | Record carrier in which information can be written and which can be read by optical means |
Country Status (8)
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578788A (en) * | 1983-06-02 | 1986-03-25 | International Business Machines Corporation | High performance optical storage medium with separate mechanical servo tracks embedded within the medium |
JPS60239947A (ja) * | 1984-05-15 | 1985-11-28 | Ricoh Co Ltd | 光学的情報記憶媒体 |
JPH0619854B2 (ja) * | 1984-10-08 | 1994-03-16 | 株式会社リコー | 光学的情報記憶媒体 |
JPS6350933A (ja) * | 1986-08-20 | 1988-03-03 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体 |
US5339301A (en) * | 1986-10-06 | 1994-08-16 | U.S. Philips Corporation | Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier |
US5200948A (en) * | 1988-02-05 | 1993-04-06 | Tandy Corporation | Recording method and apparatus |
AU624532B2 (en) * | 1989-09-27 | 1992-06-11 | Hitachi Limited | Information processor and disk memory used in the same |
US5204852A (en) * | 1990-02-17 | 1993-04-20 | Victor Company Of Japan, Ltd. | Optical disc-like recoding medium and manufacturing method thereof |
US5274623A (en) * | 1990-07-19 | 1993-12-28 | Fuji Photo Film Co., Ltd. | Information recording medium having high modulation degree |
US7227817B1 (en) | 1999-12-07 | 2007-06-05 | Dphi Acquisitions, Inc. | Low profile optical head |
US6580683B1 (en) | 1999-06-23 | 2003-06-17 | Dataplay, Inc. | Optical recording medium having a master data area and a writeable data area |
US6631359B1 (en) | 1999-09-10 | 2003-10-07 | Dphi Acquisitions, Inc. | Writeable medium access control using a medium writeable area |
US7191153B1 (en) | 1999-09-10 | 2007-03-13 | Dphi Acquisitions, Inc. | Content distribution method and apparatus |
US20020061309A1 (en) * | 2000-03-08 | 2002-05-23 | Garger Stephen J. | Production of peptides in plants as N-terminal viral coat protein fusions |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2197495A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
FR2271617B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-05-15 | 1976-10-15 | Thomson Brandt | |
FR2288370A1 (fr) * | 1974-10-18 | 1976-05-14 | Thomson Brandt | Perfectionnements aux supports d'information a lecture optique |
FR2365854A1 (fr) * | 1976-09-24 | 1978-04-21 | Thomson Brandt | Procede de fabrication d'un support d'information enregistrable et lisible optiquement et support obtenu par un tel procede |
US4175956A (en) * | 1978-02-10 | 1979-11-27 | Eastman Kodak Company | Electrophotosensitive materials for migration imaging processes |
NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
CA1165871A (en) * | 1978-11-08 | 1984-04-17 | Kornelis Bulthuis | Optically inscribable record carrier |
NL7905914A (nl) * | 1979-08-01 | 1981-02-03 | Philips Nv | Kleurstof bevattend laagje van een filmvormend polymeer bindmiddel en toepassing ervan in een informatie- registratieeelement. |
JPS5646221A (en) * | 1979-09-20 | 1981-04-27 | Nippon Telegr & Teleph Corp <Ntt> | Optically recording medium |
US4285056A (en) * | 1979-10-17 | 1981-08-18 | Rca Corporation | Replicable optical recording medium |
US4340959A (en) * | 1979-12-28 | 1982-07-20 | Rca Corporation | Optical recording medium with a thick overcoat |
US4435801A (en) * | 1979-12-28 | 1984-03-06 | Rca Corporation | Information record with a thick overcoat |
JPS56117341A (en) * | 1980-02-18 | 1981-09-14 | Toshiba Corp | Optical disk and its manufacture |
US4320489A (en) * | 1980-03-03 | 1982-03-16 | Rca Corporation | Reversible optical storage medium and a method for recording information therein |
JPS56145535A (en) * | 1980-04-15 | 1981-11-12 | Matsushita Electric Ind Co Ltd | Disc for optical recording |
FR2481501B1 (fr) * | 1980-04-25 | 1985-09-13 | Philips Nv | Porteur d'enregistrement comportant une structure d'information lisible par voie optique et dispositif pour la lecture d'un tel porteur d'enregistrement |
FR2490858B1 (fr) * | 1980-09-25 | 1986-04-04 | Rca Corp | Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu |
JPS5774845A (en) * | 1980-10-27 | 1982-05-11 | Nippon Columbia Co Ltd | Optical recording disk |
US4519064A (en) * | 1980-10-27 | 1985-05-21 | Nippon Columbia Kabushikikaisha | Optical record disc |
NL8006655A (nl) * | 1980-12-08 | 1982-07-01 | Philips Nv | Optisch uitleesbare informatiedrager. |
US4336545A (en) * | 1980-12-18 | 1982-06-22 | Eastman Kodak Company | Optical disc structure, method and apparatus physically optimized for writing and reading with a single wavelength |
JPS57158047A (en) * | 1981-03-24 | 1982-09-29 | Toshiba Corp | Optical information recording medium |
NL8101932A (nl) * | 1981-04-21 | 1982-11-16 | Philips Nv | Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager. |
US4359750A (en) * | 1981-04-30 | 1982-11-16 | Eastman Kodak Company | Optical disc structure |
DE3229573A1 (de) * | 1981-08-17 | 1983-02-24 | RCA Corp., 10020 New York, N.Y. | Optisches aufzeichnungsmaterial, informationstraeger und verfahren zum herstellen eines optischen aufzeichnungsmaterials |
JPS58100248A (ja) * | 1981-12-11 | 1983-06-14 | Ricoh Co Ltd | 光学的情報記録媒体 |
NL8300155A (nl) * | 1983-01-17 | 1984-08-16 | Philips Nv | Registratie-element met een pyrylium- of thiopyrylium-squarylium kleurstoflaag en nieuwe pyrylium- of thiopyrylium-squarylium verbindingen. |
JPS59135640A (ja) * | 1983-01-25 | 1984-08-03 | Tdk Corp | 光記録媒体 |
-
1983
- 1983-05-09 NL NL8301632A patent/NL8301632A/nl not_active Application Discontinuation
-
1984
- 1984-05-02 CA CA000453388A patent/CA1228423A/en not_active Expired
- 1984-05-07 EP EP84200646A patent/EP0124950B1/en not_active Expired
- 1984-05-07 DE DE8484200646T patent/DE3466820D1/de not_active Expired
- 1984-05-07 AT AT84200646T patent/ATE30280T1/de not_active IP Right Cessation
- 1984-05-08 AU AU27773/84A patent/AU574069B2/en not_active Expired
- 1984-05-09 JP JP59091141A patent/JPS59210546A/ja active Granted
-
1989
- 1989-02-08 US US07/308,977 patent/US4872156A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU2777384A (en) | 1984-11-15 |
JPS59210546A (ja) | 1984-11-29 |
NL8301632A (nl) | 1984-12-03 |
EP0124950B1 (en) | 1987-10-14 |
US4872156A (en) | 1989-10-03 |
DE3466820D1 (en) | 1987-11-19 |
EP0124950A1 (en) | 1984-11-14 |
ATE30280T1 (de) | 1987-10-15 |
AU574069B2 (en) | 1988-06-30 |
JPH0447907B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |