JPH0558910B2 - - Google Patents
Info
- Publication number
- JPH0558910B2 JPH0558910B2 JP59176276A JP17627684A JPH0558910B2 JP H0558910 B2 JPH0558910 B2 JP H0558910B2 JP 59176276 A JP59176276 A JP 59176276A JP 17627684 A JP17627684 A JP 17627684A JP H0558910 B2 JPH0558910 B2 JP H0558910B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- thin film
- recording
- optical disk
- optical
- 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
- 239000010408 film Substances 0.000 claims description 51
- 230000003287 optical effect Effects 0.000 claims description 29
- 239000010409 thin film Substances 0.000 claims description 27
- 239000004065 semiconductor Substances 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000003989 dielectric material Substances 0.000 claims description 8
- 239000010419 fine particle Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 150000002222 fluorine compounds Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910016036 BaF 2 Inorganic materials 0.000 claims description 2
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 2
- -1 MgF 2 Chemical class 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims 1
- 239000012071 phase Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59176276A JPS6153090A (ja) | 1984-08-24 | 1984-08-24 | 光デイスク |
| KR1019850005874A KR890004230B1 (ko) | 1984-08-24 | 1985-08-14 | 광(光) 디스크 메모리 |
| DE8585305854T DE3580429D1 (de) | 1984-08-24 | 1985-08-16 | Optischer speicher. |
| EP85305854A EP0173523B1 (en) | 1984-08-24 | 1985-08-16 | Optical memory |
| US07/339,656 US4969141A (en) | 1984-08-24 | 1989-04-18 | Optical memory for storing and retrieving information by light exposure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59176276A JPS6153090A (ja) | 1984-08-24 | 1984-08-24 | 光デイスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6153090A JPS6153090A (ja) | 1986-03-15 |
| JPH0558910B2 true JPH0558910B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-27 |
Family
ID=16010743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59176276A Granted JPS6153090A (ja) | 1984-08-24 | 1984-08-24 | 光デイスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6153090A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2827201B2 (ja) * | 1987-03-18 | 1998-11-25 | 東レ株式会社 | 光記録媒体 |
| JP2827202B2 (ja) * | 1987-03-27 | 1998-11-25 | 東レ株式会社 | 光記録媒体 |
-
1984
- 1984-08-24 JP JP59176276A patent/JPS6153090A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6153090A (ja) | 1986-03-15 |