JPS6362804B2 - - Google Patents
Info
- Publication number
- JPS6362804B2 JPS6362804B2 JP23105083A JP23105083A JPS6362804B2 JP S6362804 B2 JPS6362804 B2 JP S6362804B2 JP 23105083 A JP23105083 A JP 23105083A JP 23105083 A JP23105083 A JP 23105083A JP S6362804 B2 JPS6362804 B2 JP S6362804B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- protrusion
- head
- magnetic
- end surface
- 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 20
- 239000010409 thin film Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Landscapes
- Magnetic Heads (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23105083A JPS60124014A (ja) | 1983-12-07 | 1983-12-07 | 垂直磁気ヘッド装置およびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23105083A JPS60124014A (ja) | 1983-12-07 | 1983-12-07 | 垂直磁気ヘッド装置およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60124014A JPS60124014A (ja) | 1985-07-02 |
| JPS6362804B2 true JPS6362804B2 (fr) | 1988-12-05 |
Family
ID=16917496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23105083A Granted JPS60124014A (ja) | 1983-12-07 | 1983-12-07 | 垂直磁気ヘッド装置およびその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60124014A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001022407A1 (fr) * | 1999-09-20 | 2001-03-29 | Seagate Technology, Llc | Tete d'enregistrement magnetique comprenant un generateur de champ magnetique d'arriere-plan |
| US6876519B1 (en) | 1999-09-20 | 2005-04-05 | Seagate Technology Llc | Magnetic recording head including background magnetic field generator |
| US6646827B1 (en) | 2000-01-10 | 2003-11-11 | Seagate Technology Llc | Perpendicular magnetic recording head with write pole which reduces flux antenna effect |
| US6717770B1 (en) | 2000-03-24 | 2004-04-06 | Seagate Technology Llc | Recording head for applying a magnetic field perpendicular to the magnetizations within magnetic storage media |
| US6798615B1 (en) | 2000-03-24 | 2004-09-28 | Seagate Technology Llc | Perpendicular recording head with return poles which reduce flux antenna effect |
-
1983
- 1983-12-07 JP JP23105083A patent/JPS60124014A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60124014A (ja) | 1985-07-02 |
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