JPH05776B2 - - Google Patents
Info
- Publication number
- JPH05776B2 JPH05776B2 JP2105919A JP10591990A JPH05776B2 JP H05776 B2 JPH05776 B2 JP H05776B2 JP 2105919 A JP2105919 A JP 2105919A JP 10591990 A JP10591990 A JP 10591990A JP H05776 B2 JPH05776 B2 JP H05776B2
- Authority
- JP
- Japan
- Prior art keywords
- optical memory
- centering
- memory disk
- disk
- substrate
- 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 47
- 239000000758 substrate Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 description 13
- 239000010409 thin film Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 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
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10591990A JPH0373441A (ja) | 1990-04-20 | 1990-04-20 | 光メモリ円板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10591990A JPH0373441A (ja) | 1990-04-20 | 1990-04-20 | 光メモリ円板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0373441A JPH0373441A (ja) | 1991-03-28 |
| JPH05776B2 true JPH05776B2 (fr) | 1993-01-06 |
Family
ID=14420275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10591990A Granted JPH0373441A (ja) | 1990-04-20 | 1990-04-20 | 光メモリ円板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0373441A (fr) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56153506A (en) * | 1980-03-31 | 1981-11-27 | Polygram Gmbh | Centering unit for providing central hole on disk |
-
1990
- 1990-04-20 JP JP10591990A patent/JPH0373441A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56153506A (en) * | 1980-03-31 | 1981-11-27 | Polygram Gmbh | Centering unit for providing central hole on disk |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0373441A (ja) | 1991-03-28 |
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