DE3787401D1 - Magnetischer Film und denselben verwendender Magnetkopf. - Google Patents
Magnetischer Film und denselben verwendender Magnetkopf.Info
- Publication number
- DE3787401D1 DE3787401D1 DE87304718T DE3787401T DE3787401D1 DE 3787401 D1 DE3787401 D1 DE 3787401D1 DE 87304718 T DE87304718 T DE 87304718T DE 3787401 T DE3787401 T DE 3787401T DE 3787401 D1 DE3787401 D1 DE 3787401D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- same
- film
- magnetic head
- 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 - Fee Related
Links
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
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/265—Magnetic multilayers non exchange-coupled
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Magnetic Heads (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61123323A JPS62281106A (ja) | 1986-05-30 | 1986-05-30 | 鉄系磁性体膜 |
JP61207871A JPS6365604A (ja) | 1986-09-05 | 1986-09-05 | 鉄系磁性体膜 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3787401D1 true DE3787401D1 (de) | 1993-10-21 |
DE3787401T2 DE3787401T2 (de) | 1994-02-17 |
Family
ID=26460292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87304718T Expired - Fee Related DE3787401T2 (de) | 1986-05-30 | 1987-05-28 | Magnetischer Film und denselben verwendender Magnetkopf. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4858049A (de) |
EP (1) | EP0247868B1 (de) |
KR (1) | KR960004065B1 (de) |
CN (1) | CN1006107B (de) |
DE (1) | DE3787401T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2533860B2 (ja) * | 1986-09-24 | 1996-09-11 | 株式会社日立製作所 | 磁性超格子膜およびそれを用いた磁気ヘツド |
US5051856A (en) * | 1988-10-14 | 1991-09-24 | Hitachi, Ltd. | Thin film magnetic head with mixed crystal structures |
JP2698813B2 (ja) * | 1989-04-03 | 1998-01-19 | 富士写真フイルム株式会社 | 軟磁性薄膜 |
JPH04129009A (ja) * | 1989-10-20 | 1992-04-30 | Seagate Technol Internatl | 薄膜磁気読出し・書込みヘッド |
KR100210579B1 (ko) * | 1990-01-08 | 1999-07-15 | 가나이 쓰도무 | 강자성막 및 그 제조방법과 이것을 사용한 자기헤드 |
JP2950912B2 (ja) * | 1990-05-22 | 1999-09-20 | ティーディーケイ株式会社 | 軟磁性薄膜 |
US5264981A (en) * | 1991-08-14 | 1993-11-23 | International Business Machines Corporation | Multilayered ferromagnetic film and magnetic head employing the same |
JP3104328B2 (ja) * | 1991-10-22 | 2000-10-30 | ソニー株式会社 | 垂直磁気記録装置及び垂直磁気記録再生装置 |
EP0685746A3 (de) * | 1994-05-30 | 1996-12-04 | Sony Corp | Maqnetowiderstandeffektanordnung mit verbessertem thermischem Widerstand. |
US6150046A (en) * | 1997-01-31 | 2000-11-21 | Alps Electric Co., Ltd. | Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method |
JP4531331B2 (ja) * | 2000-05-31 | 2010-08-25 | 高橋 研 | 磁性薄膜、その製造方法、その評価方法及びこれを用いた磁気ヘッド、磁気記録装置並びに磁気デバイス |
US6512382B1 (en) | 2001-07-17 | 2003-01-28 | International Business Machines Corporation | Method for corrosion susceptibility testing of magnetic heads using simulated disk corrosion products |
US7289297B1 (en) * | 2004-06-07 | 2007-10-30 | Storage Technology Corporation | Multilayered ferromagnetic laminate having alternating cobalt alloy and iron-nitrogen alloy films for use with magnetic heads |
JP2006012250A (ja) * | 2004-06-23 | 2006-01-12 | Tdk Corp | 垂直磁気記録用磁気ヘッド |
KR101972336B1 (ko) * | 2017-10-31 | 2019-04-25 | 주식회사 다스 | 차량용 시트의 리클라이너 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55125536A (en) * | 1979-03-16 | 1980-09-27 | Fuji Photo Film Co Ltd | Recording medium for vertical magnetic record |
JPS5888812A (ja) * | 1981-11-19 | 1983-05-27 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
JPH06105481B2 (ja) * | 1983-07-27 | 1994-12-21 | 株式会社東芝 | 磁気記録再生装置 |
DE3330041A1 (de) * | 1983-08-19 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Magnetkopf fuer ein senkrecht zu magnetisierendes aufzeichnungsmedium |
JPH0622170B2 (ja) * | 1983-12-16 | 1994-03-23 | 株式会社日立製作所 | 磁気ヘッド |
KR940004986B1 (ko) * | 1984-08-27 | 1994-06-09 | 가부시기가이샤 히다찌세이사꾸쇼 | 자성막의 제조방법 및 그것을 사용한 자기헤드 |
-
1987
- 1987-05-27 KR KR1019870005245A patent/KR960004065B1/ko not_active IP Right Cessation
- 1987-05-28 EP EP87304718A patent/EP0247868B1/de not_active Expired - Lifetime
- 1987-05-28 DE DE87304718T patent/DE3787401T2/de not_active Expired - Fee Related
- 1987-05-30 CN CN87103907.9A patent/CN1006107B/zh not_active Expired
- 1987-06-01 US US07/056,114 patent/US4858049A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0247868A3 (en) | 1989-11-15 |
KR960004065B1 (ko) | 1996-03-26 |
EP0247868A2 (de) | 1987-12-02 |
CN87103907A (zh) | 1987-12-09 |
KR870011589A (ko) | 1987-12-24 |
EP0247868B1 (de) | 1993-09-15 |
US4858049A (en) | 1989-08-15 |
DE3787401T2 (de) | 1994-02-17 |
CN1006107B (zh) | 1989-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |