JPS6353615B2 - - Google Patents
Info
- Publication number
- JPS6353615B2 JPS6353615B2 JP56088179A JP8817981A JPS6353615B2 JP S6353615 B2 JPS6353615 B2 JP S6353615B2 JP 56088179 A JP56088179 A JP 56088179A JP 8817981 A JP8817981 A JP 8817981A JP S6353615 B2 JPS6353615 B2 JP S6353615B2
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- film magnetic
- magnetic material
- lower thin
- magnetic body
- 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
- 239000010409 thin film Substances 0.000 claims description 130
- 239000000696 magnetic material Substances 0.000 claims description 59
- 239000004020 conductor Substances 0.000 claims description 16
- 230000005415 magnetization Effects 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 description 26
- 230000035699 permeability Effects 0.000 description 13
- 238000004544 sputter deposition Methods 0.000 description 12
- 229910003271 Ni-Fe Inorganic materials 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 10
- 239000000956 alloy Substances 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 229920001721 polyimide Polymers 0.000 description 6
- 239000009719 polyimide resin Substances 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8817981A JPS57203219A (en) | 1981-06-10 | 1981-06-10 | Thin film magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8817981A JPS57203219A (en) | 1981-06-10 | 1981-06-10 | Thin film magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57203219A JPS57203219A (en) | 1982-12-13 |
| JPS6353615B2 true JPS6353615B2 (ko) | 1988-10-25 |
Family
ID=13935673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8817981A Granted JPS57203219A (en) | 1981-06-10 | 1981-06-10 | Thin film magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57203219A (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3390321T1 (de) * | 1982-11-11 | 1985-01-24 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Dünnfilm-Magnetkopf |
| JPS61192011A (ja) * | 1985-02-20 | 1986-08-26 | Hitachi Ltd | 薄膜磁気ヘツド |
| JPH0278006A (ja) * | 1988-09-13 | 1990-03-19 | Nec Corp | 薄膜磁気ヘッド |
| US5170303A (en) * | 1990-04-30 | 1992-12-08 | Seagate Technology Inc. | Inductive thin film head having improved readback characteristics |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5038325A (ko) * | 1973-08-09 | 1975-04-09 | ||
| JPS55101124A (en) * | 1979-01-29 | 1980-08-01 | Ibm | Thin layer magnetic haed assembly |
| US4241367A (en) * | 1978-03-03 | 1980-12-23 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head |
-
1981
- 1981-06-10 JP JP8817981A patent/JPS57203219A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5038325A (ko) * | 1973-08-09 | 1975-04-09 | ||
| US4241367A (en) * | 1978-03-03 | 1980-12-23 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head |
| JPS55101124A (en) * | 1979-01-29 | 1980-08-01 | Ibm | Thin layer magnetic haed assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57203219A (en) | 1982-12-13 |
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