JPH0348578B2 - - Google Patents
Info
- Publication number
- JPH0348578B2 JPH0348578B2 JP57114339A JP11433982A JPH0348578B2 JP H0348578 B2 JPH0348578 B2 JP H0348578B2 JP 57114339 A JP57114339 A JP 57114339A JP 11433982 A JP11433982 A JP 11433982A JP H0348578 B2 JPH0348578 B2 JP H0348578B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- track
- recording
- record carrier
- information
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 9
- 230000005236 sound signal Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000000926 separation method 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57114339A JPS595449A (ja) | 1982-06-30 | 1982-06-30 | 光デイスク用記録担体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57114339A JPS595449A (ja) | 1982-06-30 | 1982-06-30 | 光デイスク用記録担体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS595449A JPS595449A (ja) | 1984-01-12 |
JPH0348578B2 true JPH0348578B2 (fr) | 1991-07-24 |
Family
ID=14635298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57114339A Granted JPS595449A (ja) | 1982-06-30 | 1982-06-30 | 光デイスク用記録担体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS595449A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61104347A (ja) * | 1984-10-22 | 1986-05-22 | Sony Corp | デイスク装置 |
JPS61151843A (ja) * | 1984-12-25 | 1986-07-10 | Nec Home Electronics Ltd | 光メモリデイスク |
JPS61158045A (ja) * | 1984-12-28 | 1986-07-17 | Nec Home Electronics Ltd | 光ヘツド |
JPS61236046A (ja) * | 1985-04-10 | 1986-10-21 | Sony Corp | デイスク状記録媒体及びその製造装置 |
NL8602504A (nl) * | 1986-10-06 | 1988-05-02 | Philips Nv | Optisch uitleesbare registratiedrager voor het optekenen van informatie, een inrichting voor het vervaardigen van een dergelijke registratiedrager, een inrichting voor het optekenen van informatie op een dergelijke registratiedrager, alsmede een inrichting voor het uitlezen van op een dergelijke registratiedrager opgetekende informatie. |
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 |
JPH01165917U (fr) * | 1988-05-06 | 1989-11-21 | ||
US5185732A (en) * | 1988-06-20 | 1993-02-09 | Sony Corporation | Recording medium and recording and reproducing apparatus employing the recording medium |
KR20000064320A (ko) * | 1996-09-03 | 2000-11-06 | 요트.게.아. 롤페즈 | 정보 블록의 기록 및 판독용 정보매체, 판독/기록장치와 판독장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5015507A (fr) * | 1973-06-07 | 1975-02-19 | ||
JPS574041B2 (fr) * | 1974-10-14 | 1982-01-23 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS574041U (fr) * | 1980-06-09 | 1982-01-09 | ||
JPS58165794U (ja) * | 1982-04-27 | 1983-11-04 | 株式会社東芝 | 光学式情報記憶媒体 |
JPS58165742U (ja) * | 1982-04-27 | 1983-11-04 | 株式会社東芝 | 光学式情報記憶媒体 |
-
1982
- 1982-06-30 JP JP57114339A patent/JPS595449A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5015507A (fr) * | 1973-06-07 | 1975-02-19 | ||
JPS574041B2 (fr) * | 1974-10-14 | 1982-01-23 |
Also Published As
Publication number | Publication date |
---|---|
JPS595449A (ja) | 1984-01-12 |
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