GB1590296A - Information record - Google Patents
Information record Download PDFInfo
- Publication number
- GB1590296A GB1590296A GB52944/77A GB5294477A GB1590296A GB 1590296 A GB1590296 A GB 1590296A GB 52944/77 A GB52944/77 A GB 52944/77A GB 5294477 A GB5294477 A GB 5294477A GB 1590296 A GB1590296 A GB 1590296A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- light
- coating
- thickness
- record
- 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
- 239000010410 layer Substances 0.000 claims description 115
- 239000000463 material Substances 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 10
- 230000001747 exhibiting effect Effects 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000975 dye Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 238000002310 reflectometry Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010409 thin film 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
- G11B7/252—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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78203277A | 1977-03-28 | 1977-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1590296A true GB1590296A (en) | 1981-05-28 |
Family
ID=25124733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB52944/77A Expired GB1590296A (en) | 1977-03-28 | 1977-12-20 | Information record |
Country Status (9)
| Country | Link |
|---|---|
| JP (2) | JPS53120506A (enrdf_load_stackoverflow) |
| AU (1) | AU514899B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2757737A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2385535A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1590296A (enrdf_load_stackoverflow) |
| HK (1) | HK49783A (enrdf_load_stackoverflow) |
| IT (1) | IT1088701B (enrdf_load_stackoverflow) |
| MY (1) | MY8400273A (enrdf_load_stackoverflow) |
| NL (1) | NL191658C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1859444A4 (en) * | 2005-03-17 | 2008-09-03 | Ricoh Kk | OPTICAL RECORDING MEDIUM |
| EP1824687A4 (en) * | 2004-12-15 | 2008-11-19 | Ricoh Kk | OPTICAL WORM RECORDING MEDIUM |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2817945A1 (de) * | 1977-08-29 | 1979-03-15 | Rca Corp | Plattenrohling, insbesondere fuer eine optische bildplatte |
| US4195312A (en) * | 1978-02-24 | 1980-03-25 | Rca Corporation | Recorder and antireflective record blank having an optically passive transparent layer |
| JPS56156941A (en) * | 1980-05-06 | 1981-12-03 | Nippon Telegr & Teleph Corp <Ntt> | Optical recording medium |
| EP0045183B1 (en) * | 1980-07-25 | 1984-12-05 | Asahi Kasei Kogyo Kabushiki Kaisha | Recording material |
| FR2488711B1 (fr) * | 1980-08-13 | 1985-06-28 | Thomson Csf | Procede thermo-optique d'inscription d'information et support d'information destine a la mise en oeuvre de ce procede |
| JPS5952442A (ja) * | 1982-09-14 | 1984-03-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光磁気記録媒体 |
| JPS59210545A (ja) * | 1984-04-20 | 1984-11-29 | Hitachi Ltd | 情報記録媒体 |
| JPH0624272U (ja) * | 1992-08-31 | 1994-03-29 | 東芝機器株式会社 | 可撓性チューブの開閉装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665483A (en) * | 1969-06-06 | 1972-05-23 | Chase Manhattan Capital Corp | Laser recording medium |
| US3651281A (en) * | 1969-06-06 | 1972-03-21 | Carl H Becker | Laser recording system using photomagnetically magnetizable storage medium |
| DE2048430B2 (de) * | 1970-10-02 | 1972-11-30 | Licentia Patent-Verwaltungs-GmbH, 6000 Prankfurt | Verfahren zur erzeugung von vorzugsweise mechanisch abtastbaren, reliefartigen vertiefungen oder erhebungen auf der oberflaeche eines informationstraegers |
| DE2522928C2 (de) * | 1974-05-25 | 1984-04-05 | Canon K.K., Tokyo | Aufzeichnungsträger, Verfahren zu dessen Herstellung und Aufzeichnungsverfahren |
| JPS52155474A (en) * | 1976-06-21 | 1977-12-23 | Nippon Mining Co | Magnetic force sorting device |
-
1977
- 1977-11-23 AU AU30876/77A patent/AU514899B2/en not_active Expired
- 1977-11-29 IT IT30206/77A patent/IT1088701B/it active
- 1977-11-30 NL NL7713230A patent/NL191658C/xx not_active IP Right Cessation
- 1977-12-20 GB GB52944/77A patent/GB1590296A/en not_active Expired
- 1977-12-22 JP JP15547477A patent/JPS53120506A/ja active Granted
- 1977-12-23 DE DE19772757737 patent/DE2757737A1/de active Granted
- 1977-12-27 FR FR7739337A patent/FR2385535A1/fr active Granted
-
1983
- 1983-11-03 HK HK497/83A patent/HK49783A/en not_active IP Right Cessation
-
1984
- 1984-12-30 MY MY273/84A patent/MY8400273A/xx unknown
-
1987
- 1987-06-10 JP JP62145017A patent/JPS6352347A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1824687A4 (en) * | 2004-12-15 | 2008-11-19 | Ricoh Kk | OPTICAL WORM RECORDING MEDIUM |
| US8163366B2 (en) | 2004-12-15 | 2012-04-24 | Ricoh Company, Ltd. | Write-once-read-many optical recording medium |
| EP1859444A4 (en) * | 2005-03-17 | 2008-09-03 | Ricoh Kk | OPTICAL RECORDING MEDIUM |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0222453B2 (enrdf_load_stackoverflow) | 1990-05-18 |
| FR2385535B1 (enrdf_load_stackoverflow) | 1984-05-04 |
| MY8400273A (en) | 1984-12-31 |
| NL191658C (nl) | 1995-12-02 |
| NL191658B (nl) | 1995-08-01 |
| HK49783A (en) | 1983-11-11 |
| JPS6352347A (ja) | 1988-03-05 |
| NL7713230A (nl) | 1978-10-02 |
| AU514899B2 (en) | 1981-03-05 |
| DE2757737A1 (de) | 1978-10-05 |
| IT1088701B (it) | 1985-06-10 |
| AU3087677A (en) | 1979-05-31 |
| DE2757737C2 (enrdf_load_stackoverflow) | 1988-05-05 |
| FR2385535A1 (fr) | 1978-10-27 |
| JPS6259372B2 (enrdf_load_stackoverflow) | 1987-12-10 |
| JPS53120506A (en) | 1978-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4216501A (en) | Optical anti-reflective information record | |
| US4195312A (en) | Recorder and antireflective record blank having an optically passive transparent layer | |
| US4222071A (en) | Sensitivity information record | |
| US4097895A (en) | Multilayer optical record | |
| US4195313A (en) | Antireflective information record having an optically passive transparent layer | |
| US4305081A (en) | Multilayer record blank for use in optical recording | |
| US4329697A (en) | Information record | |
| US4023185A (en) | Ablative optical recording medium | |
| US4190843A (en) | Recording methods for a multilayer optical record | |
| US4189735A (en) | Record playback apparatus and information record therefor | |
| FR2485241A1 (fr) | Element de memorisation magneto-optique | |
| EP0092113B1 (en) | Optical recording medium for use in an optical storage system and method for making such recording medium | |
| GB2079031A (en) | Optical information record and a method of reversibly recording and erasing information thereon | |
| GB1590296A (en) | Information record | |
| FR2491664A1 (fr) | Dispositif de stockage d'informations et son procede de fabrication | |
| EP0045806A1 (en) | REAL-TIME OPTICAL DISC AND RECORDING AND PLAYING METHOD. | |
| US4233626A (en) | Playback information record using phase cancellation for reading | |
| US4322839A (en) | Method and apparatus for recording and reproducing information on and from an optical disk | |
| US4270132A (en) | Information record | |
| JPH0863783A (ja) | 情報記録媒体 | |
| JPH03292632A (ja) | 光ディスクの信号再生方法 | |
| JPH06111372A (ja) | 光ディスク | |
| US4219848A (en) | Optical record playback apparatus employing light frequency at which alternate regions of record track exhibit anti-reflection condition | |
| US5495101A (en) | Enhancement for broadband optical limiter with holographic grating | |
| JPH0373937B2 (enrdf_load_stackoverflow) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19971219 |