JPH0346885B2 - - Google Patents
Info
- Publication number
- JPH0346885B2 JPH0346885B2 JP29805085A JP29805085A JPH0346885B2 JP H0346885 B2 JPH0346885 B2 JP H0346885B2 JP 29805085 A JP29805085 A JP 29805085A JP 29805085 A JP29805085 A JP 29805085A JP H0346885 B2 JPH0346885 B2 JP H0346885B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- stress
- yoke
- magnetic
- head
- 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
- 239000010408 film Substances 0.000 claims description 80
- 230000005291 magnetic effect Effects 0.000 claims description 52
- 239000010409 thin film Substances 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 3
- 230000035882 stress Effects 0.000 description 57
- 229910003271 Ni-Fe Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 229910018125 Al-Si Inorganic materials 0.000 description 3
- 229910018520 Al—Si Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 230000005381 magnetic domain Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- 230000005330 Barkhausen effect Effects 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003962 NiZn Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29805085A JPS62154317A (ja) | 1985-12-27 | 1985-12-27 | 薄膜磁気ヘツド |
| DE19863644388 DE3644388A1 (de) | 1985-12-27 | 1986-12-24 | Duennfilm-joch-magnetkopf |
| US07/688,701 US5155644A (en) | 1985-12-27 | 1991-04-22 | Yoke thin film magnetic head constructed to avoid Barkhausen noises |
| US07/869,056 US5225951A (en) | 1985-12-27 | 1992-04-16 | Thin film magnetic head with reduced internal stresses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29805085A JPS62154317A (ja) | 1985-12-27 | 1985-12-27 | 薄膜磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62154317A JPS62154317A (ja) | 1987-07-09 |
| JPH0346885B2 true JPH0346885B2 (fr) | 1991-07-17 |
Family
ID=17854482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29805085A Granted JPS62154317A (ja) | 1985-12-27 | 1985-12-27 | 薄膜磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62154317A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940002769A (ko) * | 1992-07-20 | 1994-02-19 | 다니엘 에이. 네펠라 | 박막자기헤드 |
| US20130288078A1 (en) * | 2012-04-30 | 2013-10-31 | Seagate Technology Llc | Thin Film with Reduced Stress Anisotropy |
-
1985
- 1985-12-27 JP JP29805085A patent/JPS62154317A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62154317A (ja) | 1987-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |