JP2002170210A5 - - Google Patents
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- JP2002170210A5 JP2002170210A5 JP2000365770A JP2000365770A JP2002170210A5 JP 2002170210 A5 JP2002170210 A5 JP 2002170210A5 JP 2000365770 A JP2000365770 A JP 2000365770A JP 2000365770 A JP2000365770 A JP 2000365770A JP 2002170210 A5 JP2002170210 A5 JP 2002170210A5
- Authority
- JP
- Japan
- Prior art keywords
- shield
- head
- magnetic
- magnetic field
- magnetoresistive element
- Prior art date
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Claims (4)
前記第１のシールドと前記第２のシールドとの長さの比が０．８以上１以下であることを特徴とする磁気ヘッド。 A reproducing head having a first shield, a magnetoresistive element formed on the first shield, a second shield formed on the magnetoresistive element, and a recording head; A magnetic head having a structure in which the second shield and the recording head are separated ;
A magnetic head characterized in that a length ratio of the first shield to the second shield is 0.8 or more and 1 or less.
電磁変換特性測定用外部磁界を前記磁気ヘッドの媒体対向面に対して垂直となるように、かつ前記磁気抵抗効果素子、前記第１のシールド及び前記第２のシールドの媒体対向面全体に一様に印加したとき、前記外部磁界の方向と前記磁気抵抗効果素子を通過する磁界の方向とがなす角度が１度以下となることを特徴とする磁気ヘッド。 A reproducing head having a first shield, a magnetoresistive element formed on the first shield, a second shield formed on the magnetoresistive element, and a recording head; A magnetic head having a structure in which the second shield and the recording head are separated ;
An external magnetic field for measuring electromagnetic conversion characteristics is perpendicular to the medium facing surface of the magnetic head and is uniform over the medium facing surfaces of the magnetoresistive effect element, the first shield, and the second shield. when applying a magnetic head in which the external magnetic field direction and angle between the direction of the magnetic field passing through the magnetoresistive element is characterized in that a 1 degree or less.
電磁変換特性測定用外部磁界を前記磁気ヘッドの媒体対向面に対して垂直となるように、かつ前記磁気抵抗効果素子、前記第１のシールド及び前記第２のシールドの媒体対向面全体に一様に印加したとき、前記外部磁界の方向と前記磁気抵抗効果素子を通過する磁界の方向とがなす角度が同じとなるように、磁気シールドの長さを決定することを特徴とする磁気ヘッド。 A reproducing head having a first shield, a magnetoresistive element formed on the first shield, a second shield formed on the magnetoresistive element, and a recording head; A magnetic head having a structure in which the second shield and the recording head are separated ;
An external magnetic field for measuring electromagnetic conversion characteristics is perpendicular to the medium facing surface of the magnetic head and is uniform over the medium facing surfaces of the magnetoresistive effect element, the first shield, and the second shield. when applied to the so that the external magnetic field angle between the direction of the magnetic field passing through the direction of the magnetoresistive element is the same, the magnetic head, characterized in that the length of the magnetic shield.
前記磁気ヘッドの媒体対向面にある第１の磁極及び前記媒体対向面の反対側にある第２の磁極によって生じ、かつ、前記媒体対向面に対して方向が垂直となる外部磁界中に前記磁気抵抗効果素子を配置したとき、前記外部磁界の方向と前記磁気抵抗効果素子を通過する磁界の方向とがなす角度が１度以下となることを特徴とする磁気ヘッド。A reproducing head having a first shield, a magnetoresistive element formed on the first shield, a second shield formed on the magnetoresistive element, and a recording head; A magnetic head having a structure in which the second shield and the recording head are separated;
The magnetic field is generated by an external magnetic field generated by a first magnetic pole on the medium facing surface of the magnetic head and a second magnetic pole on the opposite side of the medium facing surface and having a direction perpendicular to the medium facing surface. A magnetic head characterized in that when a resistance effect element is disposed, an angle formed by the direction of the external magnetic field and the direction of the magnetic field passing through the magnetoresistance effect element is 1 degree or less .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000365770A JP2002170210A (en) | 2000-11-28 | 2000-11-28 | Magnetoresistive magnetic head, and electromagnetic transduction characteristic measurement method and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000365770A JP2002170210A (en) | 2000-11-28 | 2000-11-28 | Magnetoresistive magnetic head, and electromagnetic transduction characteristic measurement method and device therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002170210A JP2002170210A (en) | 2002-06-14 |
| JP2002170210A5 true JP2002170210A5 (en) | 2005-10-20 |
Family
ID=18836484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000365770A Pending JP2002170210A (en) | 2000-11-28 | 2000-11-28 | Magnetoresistive magnetic head, and electromagnetic transduction characteristic measurement method and device therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002170210A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11170807B1 (en) * | 2020-06-23 | 2021-11-09 | Western Digital Technologies, Inc. | Read head sensor with balanced shield design |
-
2000
- 2000-11-28 JP JP2000365770A patent/JP2002170210A/en active Pending
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