JPH0421260B2 - - Google Patents
Info
- Publication number
- JPH0421260B2 JPH0421260B2 JP59099079A JP9907984A JPH0421260B2 JP H0421260 B2 JPH0421260 B2 JP H0421260B2 JP 59099079 A JP59099079 A JP 59099079A JP 9907984 A JP9907984 A JP 9907984A JP H0421260 B2 JPH0421260 B2 JP H0421260B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- film
- digital signal
- reflective film
- disk
- 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
- 230000000873 masking effect Effects 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 5
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 9
- 230000002950 deficient Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
- G11B23/42—Marks for indexing, speed-controlling, synchronising, or timing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59099079A JPS60243839A (ja) | 1984-05-17 | 1984-05-17 | デイジタル信号記録再生デイスクの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59099079A JPS60243839A (ja) | 1984-05-17 | 1984-05-17 | デイジタル信号記録再生デイスクの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60243839A JPS60243839A (ja) | 1985-12-03 |
| JPH0421260B2 true JPH0421260B2 (en, 2012) | 1992-04-09 |
Family
ID=14237907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59099079A Granted JPS60243839A (ja) | 1984-05-17 | 1984-05-17 | デイジタル信号記録再生デイスクの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60243839A (en, 2012) |
-
1984
- 1984-05-17 JP JP59099079A patent/JPS60243839A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60243839A (ja) | 1985-12-03 |
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