JPS6118815B2 - - Google Patents
Info
- Publication number
- JPS6118815B2 JPS6118815B2 JP53086358A JP8635878A JPS6118815B2 JP S6118815 B2 JPS6118815 B2 JP S6118815B2 JP 53086358 A JP53086358 A JP 53086358A JP 8635878 A JP8635878 A JP 8635878A JP S6118815 B2 JPS6118815 B2 JP S6118815B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- predetermined
- pit
- substrate
- 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
Links
- 238000000034 method Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000012808 vapor phase Substances 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 229910052814 silicon oxide Inorganic materials 0.000 description 9
- 239000004033 plastic Substances 0.000 description 6
- 238000001947 vapour-phase growth Methods 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004528 spin coating 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
- G11B7/26—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)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8635878A JPS5514512A (en) | 1978-07-15 | 1978-07-15 | Information recording plate and its manufacture |
| US06/273,999 US4408319A (en) | 1978-07-15 | 1981-06-15 | Optical information recording mother disc and method of producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8635878A JPS5514512A (en) | 1978-07-15 | 1978-07-15 | Information recording plate and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5514512A JPS5514512A (en) | 1980-02-01 |
| JPS6118815B2 true JPS6118815B2 (en, 2012) | 1986-05-14 |
Family
ID=13884661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8635878A Granted JPS5514512A (en) | 1978-07-15 | 1978-07-15 | Information recording plate and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5514512A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6328614A (ja) * | 1986-07-22 | 1988-02-06 | Kobe Steel Ltd | 樹脂成形用プレスのスライド制御方法 |
-
1978
- 1978-07-15 JP JP8635878A patent/JPS5514512A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6328614A (ja) * | 1986-07-22 | 1988-02-06 | Kobe Steel Ltd | 樹脂成形用プレスのスライド制御方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5514512A (en) | 1980-02-01 |
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