JPS59142738A - 磁気記憶体 - Google Patents
磁気記憶体Info
- Publication number
- JPS59142738A JPS59142738A JP58015665A JP1566583A JPS59142738A JP S59142738 A JPS59142738 A JP S59142738A JP 58015665 A JP58015665 A JP 58015665A JP 1566583 A JP1566583 A JP 1566583A JP S59142738 A JPS59142738 A JP S59142738A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- coated
- thin film
- layer
- magnetic thin
- 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 13
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 12
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 12
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000010409 thin film Substances 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 6
- 150000004767 nitrides Chemical class 0.000 abstract description 4
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- -1 Ni-p Inorganic materials 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 229910052718 tin Inorganic materials 0.000 abstract description 2
- 229910052745 lead Inorganic materials 0.000 abstract 2
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- 229910052741 iridium Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052762 osmium Inorganic materials 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 229910052707 ruthenium Inorganic materials 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001096 P alloy Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910002520 CoCu Inorganic materials 0.000 description 1
- 229910002441 CoNi Inorganic materials 0.000 description 1
- 229910018979 CoPt Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 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
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture 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
- 230000003746 surface roughness Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58015665A JPS59142738A (ja) | 1983-02-02 | 1983-02-02 | 磁気記憶体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58015665A JPS59142738A (ja) | 1983-02-02 | 1983-02-02 | 磁気記憶体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59142738A true JPS59142738A (ja) | 1984-08-16 |
| JPH0566647B2 JPH0566647B2 (en, 2012) | 1993-09-22 |
Family
ID=11895030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58015665A Granted JPS59142738A (ja) | 1983-02-02 | 1983-02-02 | 磁気記憶体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59142738A (en, 2012) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61284831A (ja) * | 1985-06-10 | 1986-12-15 | Nec Corp | 磁気２重層垂直磁気記憶体 |
| JPS62137720A (ja) * | 1985-12-10 | 1987-06-20 | Denki Kagaku Kogyo Kk | 磁気記録媒体 |
| US4786564A (en) * | 1987-02-25 | 1988-11-22 | Komag, Inc. | Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk |
| DE3728711A1 (de) * | 1987-08-28 | 1989-03-16 | Hydraulik Ring Gmbh | Druckregelventil |
| JPH04248120A (ja) * | 1991-01-24 | 1992-09-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| US5153044A (en) * | 1987-02-25 | 1992-10-06 | Komag, Inc. | Magnetic disk for longitudinal recording comprising an amorphous intermediate layer |
| US6335103B1 (en) * | 1988-08-10 | 2002-01-01 | Hitachi, Ltd. | Magnetic recording media for longitudinal recording |
| US6627253B2 (en) | 1988-08-10 | 2003-09-30 | Hitachi, Ltd. | Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus |
| WO2004084194A1 (ja) * | 2003-03-17 | 2004-09-30 | Fujitsu Limited | 磁気記録媒体及びその製造方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162007A (ja) * | 1974-11-27 | 1976-05-29 | Suwa Seikosha Kk | Jikikirokutai |
| JPS5319809A (en) * | 1976-08-06 | 1978-02-23 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
| JPS53141607A (en) * | 1977-05-16 | 1978-12-09 | Sanyo Electric Co Ltd | Production of magnetic head |
| JPS55113133A (en) * | 1978-12-04 | 1980-09-01 | Matsushita Electric Ind Co Ltd | Magnetic recording medium for thermal transcription |
| JPS57149706A (en) * | 1981-03-12 | 1982-09-16 | Tdk Corp | Magnetic recording medium |
-
1983
- 1983-02-02 JP JP58015665A patent/JPS59142738A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162007A (ja) * | 1974-11-27 | 1976-05-29 | Suwa Seikosha Kk | Jikikirokutai |
| JPS5319809A (en) * | 1976-08-06 | 1978-02-23 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
| JPS53141607A (en) * | 1977-05-16 | 1978-12-09 | Sanyo Electric Co Ltd | Production of magnetic head |
| JPS55113133A (en) * | 1978-12-04 | 1980-09-01 | Matsushita Electric Ind Co Ltd | Magnetic recording medium for thermal transcription |
| JPS57149706A (en) * | 1981-03-12 | 1982-09-16 | Tdk Corp | Magnetic recording medium |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61284831A (ja) * | 1985-06-10 | 1986-12-15 | Nec Corp | 磁気２重層垂直磁気記憶体 |
| JPS62137720A (ja) * | 1985-12-10 | 1987-06-20 | Denki Kagaku Kogyo Kk | 磁気記録媒体 |
| US4786564A (en) * | 1987-02-25 | 1988-11-22 | Komag, Inc. | Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk |
| US5153044A (en) * | 1987-02-25 | 1992-10-06 | Komag, Inc. | Magnetic disk for longitudinal recording comprising an amorphous intermediate layer |
| DE3728711A1 (de) * | 1987-08-28 | 1989-03-16 | Hydraulik Ring Gmbh | Druckregelventil |
| US6335103B1 (en) * | 1988-08-10 | 2002-01-01 | Hitachi, Ltd. | Magnetic recording media for longitudinal recording |
| US6627253B2 (en) | 1988-08-10 | 2003-09-30 | Hitachi, Ltd. | Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus |
| JPH04248120A (ja) * | 1991-01-24 | 1992-09-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| WO2004084194A1 (ja) * | 2003-03-17 | 2004-09-30 | Fujitsu Limited | 磁気記録媒体及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0566647B2 (en, 2012) | 1993-09-22 |
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