JPS6313256B2 - - Google Patents
Info
- Publication number
- JPS6313256B2 JPS6313256B2 JP26362284A JP26362284A JPS6313256B2 JP S6313256 B2 JPS6313256 B2 JP S6313256B2 JP 26362284 A JP26362284 A JP 26362284A JP 26362284 A JP26362284 A JP 26362284A JP S6313256 B2 JPS6313256 B2 JP S6313256B2
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- recording medium
- atomic
- magnetic
- alloy
- 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
Links
- 230000005291 magnetic effect Effects 0.000 claims description 53
- 239000010409 thin film Substances 0.000 claims description 44
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 36
- 229910045601 alloy Inorganic materials 0.000 claims description 20
- 239000000956 alloy Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000004544 sputter deposition Methods 0.000 claims description 12
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910000531 Co alloy Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 4
- 239000010408 film Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 10
- 229910020707 Co—Pt Inorganic materials 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910001069 Ti 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
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26362284A JPS61142523A (ja) | 1984-12-13 | 1984-12-13 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26362284A JPS61142523A (ja) | 1984-12-13 | 1984-12-13 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61142523A JPS61142523A (ja) | 1986-06-30 |
| JPS6313256B2 true JPS6313256B2 (enrdf_load_stackoverflow) | 1988-03-24 |
Family
ID=17392085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26362284A Granted JPS61142523A (ja) | 1984-12-13 | 1984-12-13 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61142523A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61250827A (ja) * | 1985-04-29 | 1986-11-07 | Sony Corp | 磁気記録媒体 |
| JP2796092B2 (ja) * | 1987-11-19 | 1998-09-10 | コーマグ，インコーポレイテッド | 記録媒体膜製造方法 |
| USRE38544E1 (en) * | 1994-01-28 | 2004-07-06 | Komag, Inc. | Thin film magnetic alloy having low noise, high coercivity and high squareness |
| JPH0850715A (ja) * | 1994-01-28 | 1996-02-20 | Komag Inc | 低ノイズ，高い保磁力および優れた方形度を有する磁気記録媒体および磁気記録媒体形成方法 |
-
1984
- 1984-12-13 JP JP26362284A patent/JPS61142523A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61142523A (ja) | 1986-06-30 |
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