JPS6221179B2 - - Google Patents
Info
- Publication number
- JPS6221179B2 JPS6221179B2 JP15328279A JP15328279A JPS6221179B2 JP S6221179 B2 JPS6221179 B2 JP S6221179B2 JP 15328279 A JP15328279 A JP 15328279A JP 15328279 A JP15328279 A JP 15328279A JP S6221179 B2 JPS6221179 B2 JP S6221179B2
- Authority
- JP
- Japan
- Prior art keywords
- depth
- magnetic
- head
- magnetic material
- winding
- 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
- 239000000696 magnetic material Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 239000011521 glass Substances 0.000 description 11
- 238000005304 joining Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- -1 senalloy Inorganic materials 0.000 description 1
- 229910000859 α-Fe 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15328279A JPS5677915A (en) | 1979-11-27 | 1979-11-27 | Production of magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15328279A JPS5677915A (en) | 1979-11-27 | 1979-11-27 | Production of magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5677915A JPS5677915A (en) | 1981-06-26 |
| JPS6221179B2 true JPS6221179B2 (US07909887-20110322-C00021.png) | 1987-05-11 |
Family
ID=15559055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15328279A Granted JPS5677915A (en) | 1979-11-27 | 1979-11-27 | Production of magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5677915A (US07909887-20110322-C00021.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0437683U (US07909887-20110322-C00021.png) * | 1990-07-23 | 1992-03-30 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56130814A (en) * | 1980-03-18 | 1981-10-14 | Sanyo Electric Co Ltd | Manufacture for magnetic head |
| JPS6022718A (ja) * | 1983-07-19 | 1985-02-05 | Mitsubishi Electric Corp | 磁気ヘツドの製造方法 |
| JPS60150213A (ja) * | 1983-12-23 | 1985-08-07 | Tohoku Metal Ind Ltd | 磁気ヘツドのギヤツプ形成方法 |
| EP0152064A3 (en) * | 1984-02-08 | 1987-06-03 | Hitachi, Ltd. | Thin film magnetic head and manufacturing method thereof |
-
1979
- 1979-11-27 JP JP15328279A patent/JPS5677915A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0437683U (US07909887-20110322-C00021.png) * | 1990-07-23 | 1992-03-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5677915A (en) | 1981-06-26 |
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