JPH0458641B2 - - Google Patents
Info
- Publication number
- JPH0458641B2 JPH0458641B2 JP58091135A JP9113583A JPH0458641B2 JP H0458641 B2 JPH0458641 B2 JP H0458641B2 JP 58091135 A JP58091135 A JP 58091135A JP 9113583 A JP9113583 A JP 9113583A JP H0458641 B2 JPH0458641 B2 JP H0458641B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording
- magnetic pole
- pole
- main
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 19
- 239000010408 film Substances 0.000 description 40
- 230000005415 magnetization Effects 0.000 description 21
- 230000035699 permeability Effects 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 229910000889 permalloy Inorganic materials 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 239000000758 substrate Substances 0.000 description 11
- 239000010409 thin film Substances 0.000 description 10
- 230000004907 flux Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 229910018182 Al—Cu Inorganic materials 0.000 description 3
- 229910020641 Co Zr Inorganic materials 0.000 description 3
- 229910020520 Co—Zr Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 229910003271 Ni-Fe Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000005350 fused silica glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910020516 Co—V Inorganic materials 0.000 description 1
- 229910020515 Co—W Inorganic materials 0.000 description 1
- 229910020521 Co—Zn Inorganic materials 0.000 description 1
- 229910017816 Cu—Co Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- FPVKHBSQESCIEP-JQCXWYLXSA-N pentostatin Chemical compound C1[C@H](O)[C@@H](CO)O[C@H]1N1C(N=CNC[C@H]2O)=C2N=C1 FPVKHBSQESCIEP-JQCXWYLXSA-N 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9113583A JPS59217202A (ja) | 1983-05-23 | 1983-05-23 | 高密度磁気記録方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9113583A JPS59217202A (ja) | 1983-05-23 | 1983-05-23 | 高密度磁気記録方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59217202A JPS59217202A (ja) | 1984-12-07 |
| JPH0458641B2 true JPH0458641B2 (de) | 1992-09-18 |
Family
ID=14018082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9113583A Granted JPS59217202A (ja) | 1983-05-23 | 1983-05-23 | 高密度磁気記録方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59217202A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6637296B2 (ja) * | 2015-11-18 | 2020-01-29 | 日本放送協会 | 記録装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5081505A (de) * | 1973-11-20 | 1975-07-02 | ||
| JPS5293308A (en) * | 1976-01-31 | 1977-08-05 | Teac Corp | Magnetic head |
| JPS5898805A (ja) * | 1981-12-07 | 1983-06-11 | Akai Electric Co Ltd | 磁気記録方式 |
-
1983
- 1983-05-23 JP JP9113583A patent/JPS59217202A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5081505A (de) * | 1973-11-20 | 1975-07-02 | ||
| JPS5293308A (en) * | 1976-01-31 | 1977-08-05 | Teac Corp | Magnetic head |
| JPS5898805A (ja) * | 1981-12-07 | 1983-06-11 | Akai Electric Co Ltd | 磁気記録方式 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59217202A (ja) | 1984-12-07 |
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