JPH0258690B2 - - Google Patents
Info
- Publication number
- JPH0258690B2 JPH0258690B2 JP55066773A JP6677380A JPH0258690B2 JP H0258690 B2 JPH0258690 B2 JP H0258690B2 JP 55066773 A JP55066773 A JP 55066773A JP 6677380 A JP6677380 A JP 6677380A JP H0258690 B2 JPH0258690 B2 JP H0258690B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- spot
- light
- disk
- irradiation
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 230000002087 whitening effect Effects 0.000 description 13
- 150000004770 chalcogenides Chemical class 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- -1 Ge-Te-Se-S Chemical class 0.000 description 1
- 229910002616 GeOx Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000007704 transition Effects 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00455—Recording involving reflectivity, absorption or colour changes
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6677380A JPS56163528A (en) | 1980-05-19 | 1980-05-19 | Recording and erasing method of optical information |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6677380A JPS56163528A (en) | 1980-05-19 | 1980-05-19 | Recording and erasing method of optical information |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56163528A JPS56163528A (en) | 1981-12-16 |
JPH0258690B2 true JPH0258690B2 (ko) | 1990-12-10 |
Family
ID=13325512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6677380A Granted JPS56163528A (en) | 1980-05-19 | 1980-05-19 | Recording and erasing method of optical information |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56163528A (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5883347A (ja) * | 1981-11-09 | 1983-05-19 | Canon Inc | 光磁気記録装置 |
JPS5936338A (ja) * | 1982-08-24 | 1984-02-28 | Matsushita Electric Ind Co Ltd | 光デイスク記録再生方法 |
JPS5968844A (ja) * | 1982-10-14 | 1984-04-18 | Matsushita Electric Ind Co Ltd | 光学的可逆記録再生装置 |
JPS60106031A (ja) * | 1983-11-11 | 1985-06-11 | Matsushita Electric Ind Co Ltd | 光記録媒体の前処理装置 |
JPS60155495A (ja) * | 1984-01-26 | 1985-08-15 | Sony Corp | 光学情報記録媒体 |
JP2702923B2 (ja) * | 1987-04-24 | 1998-01-26 | 株式会社日立製作所 | 情報の記録方法及び情報記録装置 |
US5257256A (en) * | 1987-04-24 | 1993-10-26 | Hitachi, Ltd. | Recording waveform for mark-length modulation optical recording |
-
1980
- 1980-05-19 JP JP6677380A patent/JPS56163528A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56163528A (en) | 1981-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2952287B2 (ja) | 光学式情報記録消去方法 | |
KR920010017B1 (ko) | 광정보 기록 재생 방법 및 그의 장치 | |
JPH0219535B2 (ko) | ||
JP2850754B2 (ja) | 相変化型光ディスク | |
JP2702923B2 (ja) | 情報の記録方法及び情報記録装置 | |
JP2602314B2 (ja) | 相変化形光ディスクのレーザビームオーバライト方法およびそれを用いる相変化形光ディスク用装置 | |
JP2796290B2 (ja) | 可逆相変化を用いた情報記録方法 | |
JPH0258690B2 (ko) | ||
JPS61269247A (ja) | 可逆的光学情報記録媒体および記録再生方法 | |
JPH0532811B2 (ko) | ||
JPH04212735A (ja) | 光学情報の記録方法 | |
JP2728413B2 (ja) | 情報の記録・再生方法及び装置 | |
JPH04366424A (ja) | 光ディスク初期化方法 | |
JP2778188B2 (ja) | 光学情報記録再生消去部材 | |
JP2941703B2 (ja) | 情報の記録方法及び情報記録装置 | |
JP2543107B2 (ja) | 光学情報記録再生消去方法 | |
JPS6023995B2 (ja) | 光学情報記録および消去方法 | |
JPH036581B2 (ko) | ||
JP2765235B2 (ja) | 光学情報の記録再生消去方法および光記録装置 | |
KR100186525B1 (ko) | 상변화형 광디스크 구조 | |
JP2913759B2 (ja) | 光記録媒体 | |
JP2991725B2 (ja) | 光学情報記録媒体 | |
JP2639174B2 (ja) | 光記録媒体 | |
JP2537910B2 (ja) | 光学情報記録再生消去方法 | |
JP2668852B2 (ja) | 光情報記録装置 |