DE69020000D1 - Magnetkopf und Verfahren zu seiner Herstellung. - Google Patents
Magnetkopf und Verfahren zu seiner Herstellung.Info
- Publication number
- DE69020000D1 DE69020000D1 DE69020000T DE69020000T DE69020000D1 DE 69020000 D1 DE69020000 D1 DE 69020000D1 DE 69020000 T DE69020000 T DE 69020000T DE 69020000 T DE69020000 T DE 69020000T DE 69020000 D1 DE69020000 D1 DE 69020000D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacture
- magnetic head
- magnetic
- head
- 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 - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
- G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
- G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1029103A JPH0827908B2 (ja) | 1989-02-08 | 1989-02-08 | 磁気ヘッド |
JP1038602A JP2523854B2 (ja) | 1989-02-17 | 1989-02-17 | 磁気ヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69020000D1 true DE69020000D1 (de) | 1995-07-20 |
DE69020000T2 DE69020000T2 (de) | 1996-05-02 |
Family
ID=26367262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69020000T Expired - Lifetime DE69020000T2 (de) | 1989-02-08 | 1990-02-07 | Magnetkopf und Verfahren zu seiner Herstellung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5084795A (de) |
EP (1) | EP0382195B1 (de) |
DE (1) | DE69020000T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225006A (en) * | 1988-05-17 | 1993-07-06 | Kabushiki Kaisha Toshiba | Fe-based soft magnetic alloy |
US5421915A (en) * | 1989-01-26 | 1995-06-06 | Fuji Photo Film Co., Ltd. | Method for preparing same and magnetic head |
US5772797A (en) | 1989-01-26 | 1998-06-30 | Fuji Photo Film Co., Ltd. | Soft magnetic thin film, method for preparing same and magnetic head |
JP2635422B2 (ja) * | 1989-10-17 | 1997-07-30 | アルプス電気株式会社 | 磁気ヘッド |
CA2030446C (en) * | 1989-11-22 | 2001-01-23 | Yoshihito Yoshizawa | Magnetic alloy with ultrafine crystal grains and method of producing same |
US5262915A (en) * | 1990-08-23 | 1993-11-16 | Tdk Corporation | Magnetic head comprising a soft magnetic thin film of FeNiZrN having enhanced (100) orientation |
JPH04214206A (ja) * | 1990-12-13 | 1992-08-05 | Matsushita Electric Ind Co Ltd | 強磁性薄膜とその製造方法 |
US5270894A (en) * | 1991-01-08 | 1993-12-14 | Sanyo Electric Co., Ltd. | MIG magnetic head structured to minimize pseudo-gap problem |
US5432645A (en) * | 1991-06-14 | 1995-07-11 | Tdk Corporation | Magnetic head-forming thin film |
KR960002611B1 (ko) * | 1991-09-30 | 1996-02-23 | 가부시키가이샤 도시바 | 강 자성막 |
JPH05197903A (ja) * | 1991-10-28 | 1993-08-06 | Canon Inc | 光磁気記録装置 |
JP2586367B2 (ja) * | 1992-04-15 | 1997-02-26 | 日本電気株式会社 | 軟磁性材料とその製造方法および磁気ヘッド |
JPH0644516A (ja) * | 1992-07-24 | 1994-02-18 | Matsushita Electric Ind Co Ltd | 磁気ヘッド |
JPH06259729A (ja) * | 1993-03-03 | 1994-09-16 | Tdk Corp | 磁気ヘッド |
JPH09293207A (ja) * | 1996-04-26 | 1997-11-11 | Sony Corp | 磁気ヘッド |
JP4142753B2 (ja) | 1996-12-26 | 2008-09-03 | 株式会社東芝 | スパッタターゲット、スパッタ装置、半導体装置およびその製造方法 |
US6188549B1 (en) | 1997-12-10 | 2001-02-13 | Read-Rite Corporation | Magnetoresistive read/write head with high-performance gap layers |
JPWO2002072493A1 (ja) * | 2001-03-08 | 2004-07-02 | 松下電器産業株式会社 | 磁気ヘッド用封着ガラス、磁気ヘッドおよび磁気記録再生装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53119723A (en) * | 1977-03-30 | 1978-10-19 | Hitachi Metals Ltd | Method of making abrassionnresistant high permeability alloy |
JPS60128235A (ja) * | 1983-12-15 | 1985-07-09 | Nippon Mining Co Ltd | 高透磁率磁性合金 |
JPH0777008B2 (ja) * | 1985-06-21 | 1995-08-16 | 株式会社日立製作所 | 非晶質合金膜を用いた磁気ヘツド |
DE3707522A1 (de) * | 1986-03-12 | 1987-09-24 | Matsushita Electric Ind Co Ltd | Magnetischer nitridfilm |
JP2790451B2 (ja) * | 1987-04-10 | 1998-08-27 | 松下電器産業株式会社 | 窒素を含む軟磁性合金膜 |
US4904543A (en) * | 1987-04-23 | 1990-02-27 | Matsushita Electric Industrial Co., Ltd. | Compositionally modulated, nitrided alloy films and method for making the same |
KR920005044B1 (en) * | 1987-07-23 | 1992-06-25 | Hitachi Ltd | Magnetic head |
-
1990
- 1990-02-05 US US07/475,209 patent/US5084795A/en not_active Expired - Lifetime
- 1990-02-07 DE DE69020000T patent/DE69020000T2/de not_active Expired - Lifetime
- 1990-02-07 EP EP90102423A patent/EP0382195B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5084795A (en) | 1992-01-28 |
EP0382195A1 (de) | 1990-08-16 |
EP0382195B1 (de) | 1995-06-14 |
DE69020000T2 (de) | 1996-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication related to discontinuation of the patent is to be deleted | ||
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |