JPS59142737A - 磁気２重層垂直磁気記憶体 - Google Patents
磁気２重層垂直磁気記憶体Info
- Publication number
- JPS59142737A JPS59142737A JP58015655A JP1565583A JPS59142737A JP S59142737 A JPS59142737 A JP S59142737A JP 58015655 A JP58015655 A JP 58015655A JP 1565583 A JP1565583 A JP 1565583A JP S59142737 A JPS59142737 A JP S59142737A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- layer
- iron oxide
- density
- recording
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims abstract description 6
- 239000010952 cobalt-chrome Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010408 film Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001096 P alloy Inorganic materials 0.000 description 1
- IGOJDKCIHXGPTI-UHFFFAOYSA-N [P].[Co].[Ni] Chemical compound [P].[Co].[Ni] IGOJDKCIHXGPTI-UHFFFAOYSA-N 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
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
- 229910006297 γ-Fe2O3 Inorganic materials 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
- G11B5/672—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 different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58015655A JPS59142737A (ja) | 1983-02-02 | 1983-02-02 | 磁気２重層垂直磁気記憶体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58015655A JPS59142737A (ja) | 1983-02-02 | 1983-02-02 | 磁気２重層垂直磁気記憶体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59142737A true JPS59142737A (ja) | 1984-08-16 |
| JPH0157413B2 JPH0157413B2 (enrdf_load_html_response) | 1989-12-05 |
Family
ID=11894733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58015655A Granted JPS59142737A (ja) | 1983-02-02 | 1983-02-02 | 磁気２重層垂直磁気記憶体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59142737A (enrdf_load_html_response) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61172218A (ja) * | 1985-01-25 | 1986-08-02 | Nec Corp | 磁気記憶体 |
| JPS61284831A (ja) * | 1985-06-10 | 1986-12-15 | Nec Corp | 磁気２重層垂直磁気記憶体 |
| US9958340B2 (en) | 2014-07-24 | 2018-05-01 | Denso Corporation | Temperature sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410703A (en) * | 1977-06-27 | 1979-01-26 | Hokushin Electric Works | Magnetic recording medium |
| JPS5434205A (en) * | 1977-08-22 | 1979-03-13 | Canon Inc | Magnetic recording medium |
| JPS5451804A (en) * | 1977-09-30 | 1979-04-24 | Shiyunichi Iwasaki | Magnetic recording medium |
| JPS54145105A (en) * | 1978-05-02 | 1979-11-13 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
-
1983
- 1983-02-02 JP JP58015655A patent/JPS59142737A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410703A (en) * | 1977-06-27 | 1979-01-26 | Hokushin Electric Works | Magnetic recording medium |
| JPS5434205A (en) * | 1977-08-22 | 1979-03-13 | Canon Inc | Magnetic recording medium |
| JPS5451804A (en) * | 1977-09-30 | 1979-04-24 | Shiyunichi Iwasaki | Magnetic recording medium |
| JPS54145105A (en) * | 1978-05-02 | 1979-11-13 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61172218A (ja) * | 1985-01-25 | 1986-08-02 | Nec Corp | 磁気記憶体 |
| JPS61284831A (ja) * | 1985-06-10 | 1986-12-15 | Nec Corp | 磁気２重層垂直磁気記憶体 |
| US9958340B2 (en) | 2014-07-24 | 2018-05-01 | Denso Corporation | Temperature sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0157413B2 (enrdf_load_html_response) | 1989-12-05 |
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