JPH0154766B2 - - Google Patents
Info
- Publication number
- JPH0154766B2 JPH0154766B2 JP56213249A JP21324981A JPH0154766B2 JP H0154766 B2 JPH0154766 B2 JP H0154766B2 JP 56213249 A JP56213249 A JP 56213249A JP 21324981 A JP21324981 A JP 21324981A JP H0154766 B2 JPH0154766 B2 JP H0154766B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording
- film
- head
- medium
- 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
- 230000035699 permeability Effects 0.000 claims description 16
- 230000004907 flux Effects 0.000 claims description 4
- 239000010408 film Substances 0.000 description 35
- 239000010409 thin film Substances 0.000 description 23
- 239000010410 layer Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 229910018605 Ni—Zn Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000004804 winding Methods 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21324981A JPS58115615A (ja) | 1981-12-28 | 1981-12-28 | 磁気ヘツド |
| US06/446,119 US4575777A (en) | 1981-12-08 | 1982-12-02 | Magnetic recording and reproducing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21324981A JPS58115615A (ja) | 1981-12-28 | 1981-12-28 | 磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58115615A JPS58115615A (ja) | 1983-07-09 |
| JPH0154766B2 true JPH0154766B2 (US20100012521A1-20100121-C00001.png) | 1989-11-21 |
Family
ID=16635971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21324981A Granted JPS58115615A (ja) | 1981-12-08 | 1981-12-28 | 磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58115615A (US20100012521A1-20100121-C00001.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6226612A (ja) * | 1985-07-27 | 1987-02-04 | Sony Corp | 複合型単磁極磁気ヘツド |
| US4642709A (en) * | 1985-10-16 | 1987-02-10 | International Business Machines Corporation | Twin track vertical magnetic recording servo control method |
| DE69117323T2 (de) | 1990-04-16 | 1996-07-11 | Hitachi Ltd | Dünnfilm-Magnetkopf mit schmaler Spurbreite und dessen Herstellungsverfahren |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613514A (en) * | 1979-07-16 | 1981-02-09 | Olympus Optical Co Ltd | Magnetic head |
-
1981
- 1981-12-28 JP JP21324981A patent/JPS58115615A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613514A (en) * | 1979-07-16 | 1981-02-09 | Olympus Optical Co Ltd | Magnetic head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58115615A (ja) | 1983-07-09 |
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