JPS61170970A - 回転型記録媒体 - Google Patents
回転型記録媒体Info
- Publication number
- JPS61170970A JPS61170970A JP60011178A JP1117885A JPS61170970A JP S61170970 A JPS61170970 A JP S61170970A JP 60011178 A JP60011178 A JP 60011178A JP 1117885 A JP1117885 A JP 1117885A JP S61170970 A JPS61170970 A JP S61170970A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- thin film
- rotary
- recording
- support 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims abstract description 126
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000010409 thin film Substances 0.000 claims description 134
- 230000005291 magnetic effect Effects 0.000 claims description 35
- 238000009423 ventilation Methods 0.000 claims description 30
- 239000000696 magnetic material Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 21
- 239000003302 ferromagnetic material Substances 0.000 abstract description 5
- 238000005273 aeration Methods 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 9
- 239000002390 adhesive tape Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60011178A JPS61170970A (ja) | 1985-01-24 | 1985-01-24 | 回転型記録媒体 |
| US06/821,704 US4661875A (en) | 1985-01-24 | 1986-01-23 | Information storage disc assembly |
| DE198686300492T DE191567T1 (de) | 1985-01-24 | 1986-01-24 | Informationsspeicherplattenzusammenstellung. |
| EP86300492A EP0191567B1 (en) | 1985-01-24 | 1986-01-24 | Information storage disc assembly |
| DE8686300492T DE3680001D1 (de) | 1985-01-24 | 1986-01-24 | Informationsspeicherplattenzusammenstellung. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60011178A JPS61170970A (ja) | 1985-01-24 | 1985-01-24 | 回転型記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61170970A true JPS61170970A (ja) | 1986-08-01 |
| JPH0370313B2 JPH0370313B2 (enrdf_load_stackoverflow) | 1991-11-07 |
Family
ID=11770804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60011178A Granted JPS61170970A (ja) | 1985-01-24 | 1985-01-24 | 回転型記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61170970A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211272U (enrdf_load_stackoverflow) * | 1985-07-05 | 1987-01-23 | ||
| US5864534A (en) * | 1995-08-15 | 1999-01-26 | Imation Corp. | Optical data storage disc having low-profile hub |
-
1985
- 1985-01-24 JP JP60011178A patent/JPS61170970A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211272U (enrdf_load_stackoverflow) * | 1985-07-05 | 1987-01-23 | ||
| US5864534A (en) * | 1995-08-15 | 1999-01-26 | Imation Corp. | Optical data storage disc having low-profile hub |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0370313B2 (enrdf_load_stackoverflow) | 1991-11-07 |
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