JPH0531219B2 - - Google Patents
Info
- Publication number
- JPH0531219B2 JPH0531219B2 JP57082122A JP8212282A JPH0531219B2 JP H0531219 B2 JPH0531219 B2 JP H0531219B2 JP 57082122 A JP57082122 A JP 57082122A JP 8212282 A JP8212282 A JP 8212282A JP H0531219 B2 JPH0531219 B2 JP H0531219B2
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- medium
- recording medium
- information
- modulated
- 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 30
- 230000000694 effects Effects 0.000 claims description 9
- 229920002120 photoresistant polymer Polymers 0.000 description 16
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57082122A JPS58199448A (ja) | 1982-05-15 | 1982-05-15 | 光学式情報記録装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57082122A JPS58199448A (ja) | 1982-05-15 | 1982-05-15 | 光学式情報記録装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58199448A JPS58199448A (ja) | 1983-11-19 |
JPH0531219B2 true JPH0531219B2 (fr) | 1993-05-12 |
Family
ID=13765605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57082122A Granted JPS58199448A (ja) | 1982-05-15 | 1982-05-15 | 光学式情報記録装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58199448A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2506642B2 (ja) * | 1985-10-02 | 1996-06-12 | 松下電器産業株式会社 | 情報記録原盤記録方法 |
KR0145722B1 (ko) * | 1987-07-07 | 1998-10-15 | 나가이 아쯔시 | 광정보기록매체 및 그 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5422281A (en) * | 1977-07-15 | 1979-02-20 | Sekisui Plastics | Fruit tray |
JPS5555313A (en) * | 1978-10-20 | 1980-04-23 | Ricoh Co Ltd | Driving circuit for acousto-optic element |
-
1982
- 1982-05-15 JP JP57082122A patent/JPS58199448A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5422281A (en) * | 1977-07-15 | 1979-02-20 | Sekisui Plastics | Fruit tray |
JPS5555313A (en) * | 1978-10-20 | 1980-04-23 | Ricoh Co Ltd | Driving circuit for acousto-optic element |
Also Published As
Publication number | Publication date |
---|---|
JPS58199448A (ja) | 1983-11-19 |
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