JPS61243977A - 光磁気記録媒体 - Google Patents
光磁気記録媒体Info
- Publication number
- JPS61243977A JPS61243977A JP8568985A JP8568985A JPS61243977A JP S61243977 A JPS61243977 A JP S61243977A JP 8568985 A JP8568985 A JP 8568985A JP 8568985 A JP8568985 A JP 8568985A JP S61243977 A JPS61243977 A JP S61243977A
- Authority
- JP
- Japan
- Prior art keywords
- film
- recording medium
- magneto
- optical recording
- alloy film
- 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
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 25
- 230000005374 Kerr effect Effects 0.000 claims abstract description 19
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 13
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 150000003624 transition metals Chemical class 0.000 claims abstract description 8
- 229910052688 Gadolinium Inorganic materials 0.000 claims abstract description 3
- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052732 germanium Inorganic materials 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 abstract description 3
- 239000004926 polymethyl methacrylate Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 229910052692 Dysprosium Inorganic materials 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract description 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- 229910052682 stishovite Inorganic materials 0.000 abstract description 2
- 229910052905 tridymite Inorganic materials 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 51
- 239000005083 Zinc sulfide Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 229910052984 zinc sulfide Inorganic materials 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000005381 magnetic domain Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000982 rare earth metal group alloy Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000687 transition metal group alloy Inorganic materials 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- -1 GdTbFe and TbFeCo Chemical class 0.000 description 1
- 229910000756 V alloy Inorganic materials 0.000 description 1
- FOPBMNGISYSNED-UHFFFAOYSA-N [Fe].[Co].[Tb] Chemical compound [Fe].[Co].[Tb] FOPBMNGISYSNED-UHFFFAOYSA-N 0.000 description 1
- XVRLBVUHNKCEQQ-UHFFFAOYSA-N [Fe].[Gd].[Tb] Chemical compound [Fe].[Gd].[Tb] XVRLBVUHNKCEQQ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 230000005421 thermomagnetic effect Effects 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Thin Magnetic Films (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8568985A JPS61243977A (ja) | 1985-04-22 | 1985-04-22 | 光磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8568985A JPS61243977A (ja) | 1985-04-22 | 1985-04-22 | 光磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61243977A true JPS61243977A (ja) | 1986-10-30 |
| JPH0445898B2 JPH0445898B2 (enrdf_load_stackoverflow) | 1992-07-28 |
Family
ID=13865808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8568985A Granted JPS61243977A (ja) | 1985-04-22 | 1985-04-22 | 光磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61243977A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02152041A (ja) * | 1988-12-05 | 1990-06-12 | Hitachi Ltd | 光ディスク及びその製造方法 |
| US5175715A (en) * | 1990-08-03 | 1992-12-29 | Goldstar Co., Ltd. | Magneto-optical recording medium anti-reflective layers made of amorphous thin films having a specific reflective index range |
-
1985
- 1985-04-22 JP JP8568985A patent/JPS61243977A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02152041A (ja) * | 1988-12-05 | 1990-06-12 | Hitachi Ltd | 光ディスク及びその製造方法 |
| US5175715A (en) * | 1990-08-03 | 1992-12-29 | Goldstar Co., Ltd. | Magneto-optical recording medium anti-reflective layers made of amorphous thin films having a specific reflective index range |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445898B2 (enrdf_load_stackoverflow) | 1992-07-28 |