JPH0743777Y2 - 光磁気デイスク - Google Patents
光磁気デイスクInfo
- Publication number
- JPH0743777Y2 JPH0743777Y2 JP1986162166U JP16216686U JPH0743777Y2 JP H0743777 Y2 JPH0743777 Y2 JP H0743777Y2 JP 1986162166 U JP1986162166 U JP 1986162166U JP 16216686 U JP16216686 U JP 16216686U JP H0743777 Y2 JPH0743777 Y2 JP H0743777Y2
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical disk
- cracks
- plastic substrate
- circles
- 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
- 239000000758 substrate Substances 0.000 claims description 23
- 239000004033 plastic Substances 0.000 claims description 14
- 230000003746 surface roughness Effects 0.000 claims description 9
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- -1 acryl Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986162166U JPH0743777Y2 (ja) | 1986-10-24 | 1986-10-24 | 光磁気デイスク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986162166U JPH0743777Y2 (ja) | 1986-10-24 | 1986-10-24 | 光磁気デイスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6368128U JPS6368128U (en]) | 1988-05-09 |
| JPH0743777Y2 true JPH0743777Y2 (ja) | 1995-10-09 |
Family
ID=31089171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986162166U Expired - Lifetime JPH0743777Y2 (ja) | 1986-10-24 | 1986-10-24 | 光磁気デイスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743777Y2 (en]) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62252547A (ja) * | 1986-04-24 | 1987-11-04 | Fuji Photo Film Co Ltd | 光磁気デイスク |
| JPH0351782Y2 (en]) * | 1987-02-12 | 1991-11-07 |
-
1986
- 1986-10-24 JP JP1986162166U patent/JPH0743777Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6368128U (en]) | 1988-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0743777Y2 (ja) | 光磁気デイスク | |
| JPS61144744A (ja) | 光磁気記録素子及びその製法 | |
| JP2882657B2 (ja) | 光磁気記録媒体 | |
| JPS6316439A (ja) | 光学的磁気記録媒体の製造法 | |
| JPH0916965A (ja) | 光ディスク及び光ディスクの記録パワー設定方法 | |
| JPH02206587A (ja) | 光記録媒体 | |
| JPH01302552A (ja) | 光情報記録媒体 | |
| JP3557761B2 (ja) | 光磁気ディスク | |
| JPH02183443A (ja) | 光記録媒体 | |
| JPH02189743A (ja) | 光ディスク | |
| JP2565884B2 (ja) | 磁気光学記憶素子 | |
| JPS62137742A (ja) | 情報記録用デイスク | |
| JPS619849A (ja) | 熱磁気記録媒体 | |
| JPS63112843A (ja) | 光磁気デイスクの製造方法 | |
| JPS5958641A (ja) | 光メモリ装置 | |
| JPS59231751A (ja) | 光記録媒体 | |
| JPS6278752A (ja) | 光磁気記録媒体 | |
| JPH05159366A (ja) | 光情報記録媒体 | |
| JPS63269349A (ja) | 光磁気記録用媒体 | |
| JPS60234254A (ja) | 熱磁気記録媒体 | |
| JPS58175137A (ja) | 磁気デイスクおよび磁気デイスク装置 | |
| JPH0312842A (ja) | 光メモリ素子 | |
| JPS61144737A (ja) | 光学的情報記録媒体 | |
| JPH02152041A (ja) | 光ディスク及びその製造方法 | |
| JPH04117640A (ja) | 光学情報記録媒体用基板及びその製造方法 |