JP2001176022A5 - - Google Patents
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- JP2001176022A5 JP2001176022A5 JP1999353836A JP35383699A JP2001176022A5 JP 2001176022 A5 JP2001176022 A5 JP 2001176022A5 JP 1999353836 A JP1999353836 A JP 1999353836A JP 35383699 A JP35383699 A JP 35383699A JP 2001176022 A5 JP2001176022 A5 JP 2001176022A5
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic core
- air bearing
- bearing surface
- laminate
- 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.)
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Claims (3)
上部磁気コアと、下部磁気コアと、
第１の磁性体と第２の磁性体と、第１の磁性体と第２の磁性体の間に形成される非磁性体とを有する積層体と、を有し、
前記積層体は、前記上部磁気コアと前記下部磁気コアの間に形成されてなり、
前記上部磁気コアは、浮上面より0.1 μｍ以上 3.0 μｍ以下の範囲の深さ位置から形成され、
前記上部磁気コアの浮上面側の膜厚範囲内における端部は、浮上面側から深さ方向でみた場合の前記積層体の上面と60°以上85°以下の範囲の角度となる端面を有することを特徴とする磁気ヘッド。In a magnetic head having a recording unit,
An upper magnetic core, a lower magnetic core,
A laminate having a first magnetic body, a second magnetic body, and a non-magnetic body formed between the first magnetic body and the second magnetic body,
The laminate is formed between the upper magnetic core and the lower magnetic core,
The upper magnetic core is formed from a depth position ranging from 0.1 μm to 3.0 μm from the air bearing surface,
The end of the upper magnetic core in the film thickness range on the air bearing surface side has an end surface having an angle in the range of 60 ° to 85 ° with the upper surface of the stacked body when viewed in the depth direction from the air bearing surface side. A magnetic head characterized by that.
上部磁気コアと、下部磁気コアと、
第１の磁性体と第２の磁性体と、第１の磁性体と第２の磁性体の間に形成される非磁性体とを有する積層体と、を有し、
前記積層体は、前記上部磁気コアと前記下部磁気コアの間に形成されてなり、
前記上部磁気コアは、浮上面より0.1 μｍ以上 3.0 μｍ以下の範囲の深さ位置から形成され、
前記上部磁気コアの浮上面側の膜厚範囲内における端部は、前記積層体から距離が大きくなるにしたがって浮上面から端部深さ位置までの距離が、前記0.1 μｍ以上 3.0 μｍ以下の範囲の深さ位置より徐々に広がる端面を有し、当該端面と前記積層体の上面とのなす角度が60°以上85°以下の範囲であることを特徴とする磁気ヘッド。In a magnetic head having a recording unit,
An upper magnetic core, a lower magnetic core,
A laminate having a first magnetic body, a second magnetic body, and a non-magnetic body formed between the first magnetic body and the second magnetic body,
The laminate is formed between the upper magnetic core and the lower magnetic core,
The upper magnetic core is formed from a depth position ranging from 0.1 μm to 3.0 μm from the air bearing surface,
The end within the film thickness range of the upper magnetic core on the air bearing surface side is such that the distance from the air bearing surface to the edge depth position increases from 0.1 μm to 3.0 μm as the distance from the laminate increases. A magnetic head having an end face that gradually spreads from a depth position, and an angle between the end face and the upper surface of the laminate is in a range of 60 ° to 85 °.
前記上部磁気コアの浮上面側の端部における前記端面は、レジストの除去の工程により形成されることを特徴とする磁気ヘッド。The magnetic head according to claim 1 or 2,
The magnetic head according to claim 1, wherein the end surface of the upper magnetic core on the air bearing surface side is formed by a resist removal process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35383699A JP3807713B2 (en) | 1999-12-14 | 1999-12-14 | Manufacturing method of magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35383699A JP3807713B2 (en) | 1999-12-14 | 1999-12-14 | Manufacturing method of magnetic head |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001176022A JP2001176022A (en) | 2001-06-29 |
| JP2001176022A5 true JP2001176022A5 (en) | 2005-10-20 |
| JP3807713B2 JP3807713B2 (en) | 2006-08-09 |
Family
ID=18433552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35383699A Expired - Fee Related JP3807713B2 (en) | 1999-12-14 | 1999-12-14 | Manufacturing method of magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3807713B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3854031B2 (en) | 2000-03-09 | 2006-12-06 | アルプス電気株式会社 | Thin film magnetic head and manufacturing method thereof |
-
1999
- 1999-12-14 JP JP35383699A patent/JP3807713B2/en not_active Expired - Fee Related
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