JPH0454301B2 - - Google Patents
Info
- Publication number
- JPH0454301B2 JPH0454301B2 JP61194364A JP19436486A JPH0454301B2 JP H0454301 B2 JPH0454301 B2 JP H0454301B2 JP 61194364 A JP61194364 A JP 61194364A JP 19436486 A JP19436486 A JP 19436486A JP H0454301 B2 JPH0454301 B2 JP H0454301B2
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- depth
- optical
- optical depth
- pits
- 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 37
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61194364A JPS6350933A (ja) | 1986-08-20 | 1986-08-20 | 平板状情報記録担体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61194364A JPS6350933A (ja) | 1986-08-20 | 1986-08-20 | 平板状情報記録担体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6350933A JPS6350933A (ja) | 1988-03-03 |
JPH0454301B2 true JPH0454301B2 (de) | 1992-08-31 |
Family
ID=16323350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61194364A Granted JPS6350933A (ja) | 1986-08-20 | 1986-08-20 | 平板状情報記録担体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6350933A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01241043A (ja) * | 1988-03-18 | 1989-09-26 | Canon Inc | 光記録媒体及びそれを用いた信号検出方法 |
JPH0386923A (ja) * | 1988-08-31 | 1991-04-11 | Matsushita Electric Ind Co Ltd | 光ディスク |
JPH0273539A (ja) * | 1988-09-09 | 1990-03-13 | Nec Corp | 光ディスク基板 |
JP2868682B2 (ja) | 1992-05-15 | 1999-03-10 | シャープ株式会社 | 光ディスク |
JPH05342634A (ja) * | 1992-06-10 | 1993-12-24 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体とスタンパー |
WO1997024719A1 (fr) * | 1995-12-28 | 1997-07-10 | Sony Corporation | Disque optique |
US6343062B1 (en) * | 1997-09-26 | 2002-01-29 | Matsushita Electric Industrial Co., Ltd | Optical disk device and optical disk for recording and reproducing high-density signals |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210102A (en) * | 1975-07-15 | 1977-01-26 | Canon Inc | Recording medium |
JPS5542393A (en) * | 1978-09-11 | 1980-03-25 | Philips Nv | Recoding carrier |
JPS56145535A (en) * | 1980-04-15 | 1981-11-12 | Matsushita Electric Ind Co Ltd | Disc for optical recording |
JPS5856337B2 (ja) * | 1978-09-30 | 1983-12-14 | 積水化成品工業株式会社 | 異種原料による同時成形装置 |
JPS59210546A (ja) * | 1983-05-09 | 1984-11-29 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 光記録キャリヤ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5856337U (ja) * | 1981-10-13 | 1983-04-16 | 大日本印刷株式会社 | 情報記録用カ−ド |
-
1986
- 1986-08-20 JP JP61194364A patent/JPS6350933A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210102A (en) * | 1975-07-15 | 1977-01-26 | Canon Inc | Recording medium |
JPS5542393A (en) * | 1978-09-11 | 1980-03-25 | Philips Nv | Recoding carrier |
JPS5856337B2 (ja) * | 1978-09-30 | 1983-12-14 | 積水化成品工業株式会社 | 異種原料による同時成形装置 |
JPS56145535A (en) * | 1980-04-15 | 1981-11-12 | Matsushita Electric Ind Co Ltd | Disc for optical recording |
JPS59210546A (ja) * | 1983-05-09 | 1984-11-29 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 光記録キャリヤ |
Also Published As
Publication number | Publication date |
---|---|
JPS6350933A (ja) | 1988-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |