DE69213558D1 - Magnetkopf und Herstellungsverfahren eines solchen Kopfes - Google Patents
Magnetkopf und Herstellungsverfahren eines solchen KopfesInfo
- Publication number
- DE69213558D1 DE69213558D1 DE69213558T DE69213558T DE69213558D1 DE 69213558 D1 DE69213558 D1 DE 69213558D1 DE 69213558 T DE69213558 T DE 69213558T DE 69213558 T DE69213558 T DE 69213558T DE 69213558 D1 DE69213558 D1 DE 69213558D1
- Authority
- DE
- Germany
- Prior art keywords
- head
- manufacturing
- magnetic head
- magnetic
- 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
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
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
- G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
-
- 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
- G11B5/3109—Details
- G11B5/313—Disposition of layers
-
- 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
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49044—Plural magnetic deposition layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/694,611 US5142768A (en) | 1991-05-02 | 1991-05-02 | Method for making magnetic head with enhanced poletip |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69213558D1 true DE69213558D1 (de) | 1996-10-17 |
DE69213558T2 DE69213558T2 (de) | 1997-03-13 |
Family
ID=24789561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69213558T Expired - Lifetime DE69213558T2 (de) | 1991-05-02 | 1992-04-30 | Magnetkopf und Herstellungsverfahren eines solchen Kopfes |
Country Status (7)
Country | Link |
---|---|
US (2) | US5142768A (de) |
EP (1) | EP0516288B1 (de) |
JP (2) | JPH07176014A (de) |
KR (1) | KR960001285B1 (de) |
CA (1) | CA2064641C (de) |
DE (1) | DE69213558T2 (de) |
HK (1) | HK210996A (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5264981A (en) * | 1991-08-14 | 1993-11-23 | International Business Machines Corporation | Multilayered ferromagnetic film and magnetic head employing the same |
US5256249A (en) * | 1991-09-17 | 1993-10-26 | Seagate Technology, Inc. | Method of manufacturing a planarized magnetoresistive sensor |
JPH06150257A (ja) * | 1992-10-30 | 1994-05-31 | Fujitsu Ltd | 薄膜磁気ヘッドおよびその製造方法 |
US5375023A (en) * | 1992-12-29 | 1994-12-20 | International Business Machines Corporation | Submicron thin film inductive head with self-aligned staggered pole-tips |
US5949627A (en) * | 1993-02-19 | 1999-09-07 | Read-Rite Corporation | Thin film magnetic head with stress relief layering |
JP2688173B2 (ja) * | 1993-05-18 | 1997-12-08 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 磁気抵抗読取りトランスジューサ |
US5394285A (en) * | 1993-07-21 | 1995-02-28 | Storage Technology Corporation | Multi-track longitudinal, metal-in-gap head |
US5423116A (en) * | 1993-07-21 | 1995-06-13 | Storage Technology Corporation | Method of manufacturing a multi-track longitudinal, metal-in-gap head |
US5594608A (en) * | 1994-06-22 | 1997-01-14 | Storage Technology Corporation | Magnetic tape head with a high saturation flux density magnetic pole interposed between a nonmagnetic closure section and a magnetic ferrite substrate |
US5546650A (en) * | 1994-06-22 | 1996-08-20 | Storage Technology Corporation | Method of manufacturing a multiple track thin film recording head |
EP0698878B1 (de) * | 1994-08-26 | 2000-05-24 | Aiwa Co., Ltd. | Dünnfilmmagnetkopf und Verfahren zu seiner Herstellung |
US5572392A (en) * | 1994-11-17 | 1996-11-05 | International Business Machines Corporation | Arbitrary pattern write head assembly for writing timing-based servo patterns on magnetic storage media |
JPH0916925A (ja) * | 1995-06-28 | 1997-01-17 | Yamaha Corp | 誘導型・mr型複合磁気ヘッドおよびその製造方法 |
US5811018A (en) * | 1996-01-31 | 1998-09-22 | Storage Technology Corporation | Magnetic barrier for gap control in interleaved tape head design |
US5710683A (en) * | 1996-04-18 | 1998-01-20 | Storage Technology Corporation | Thin film tape head with substrate for reduced pole-tip recession |
JPH09293217A (ja) * | 1996-04-26 | 1997-11-11 | Fujitsu Ltd | 磁気抵抗効果型ヘッド |
JPH10241117A (ja) * | 1997-02-24 | 1998-09-11 | Fujitsu Ltd | 単層磁性膜垂直磁化媒体用記録ヘッド |
US5905613A (en) * | 1997-07-18 | 1999-05-18 | International Business Machines Corporation | Bidirectional flat contour linear tape recording head and drive |
US5997381A (en) * | 1997-09-29 | 1999-12-07 | Storage Technology Corporation | Lapping sensor for thin film recording elements and method for manufacturing same |
US5963401A (en) * | 1997-09-29 | 1999-10-05 | Storage Technology Corporation | Magnetic tape head assembly including modules having a plurality of magneto-resistive head elements |
US5953184A (en) * | 1997-09-30 | 1999-09-14 | Storage Technology Corporation | Transverse slotted magnetic tape head assembly |
US5923506A (en) * | 1997-10-03 | 1999-07-13 | Storage Technology Corporation | Recording head element with improved coil tap and method for manufacturing same |
US6002554A (en) * | 1997-10-03 | 1999-12-14 | Storage Technology Corporation | Multitrack coupled element read head with support structure to eliminate shorting and method for manufacturing same |
US6038108A (en) * | 1997-11-21 | 2000-03-14 | Storage Technology Corporation | Magnetic tape head assembly having segmented heads |
US6392840B1 (en) | 1997-12-08 | 2002-05-21 | International Business Machines Corporation | Planarized side by side design of an inductive writer and single metallic magnetoresistive reader |
US6172848B1 (en) | 1998-04-10 | 2001-01-09 | International Business Machines Corporation | Write head with self aligned pedestal shaped pole tips that are separated by a zero throat height defining layer |
US6204999B1 (en) * | 1998-12-23 | 2001-03-20 | Read-Rite Corporation | Method and system for providing a write head having a conforming pole structure |
US6362934B1 (en) | 1999-03-24 | 2002-03-26 | Storage Technology Corporation | Highly aligned thin film tape head and method of making same |
US6477009B1 (en) | 1999-07-29 | 2002-11-05 | Storage Technology Corporation | Read module with hybird closure |
US6724569B1 (en) | 2000-02-16 | 2004-04-20 | Western Digital (Fremont), Inc. | Thin film writer with multiplayer write gap |
KR100400736B1 (ko) | 2000-07-07 | 2003-10-08 | 엘지전자 주식회사 | 세탁기의 부분행정 표시장치 및 방법 |
US6639753B1 (en) * | 2000-09-01 | 2003-10-28 | Hewlett-Packard Development Company, L.P. | Method of forming a head assembly, a head assembly, and a linear tape drive |
US6741429B1 (en) * | 2000-09-25 | 2004-05-25 | International Business Machines Corporation | Ion beam definition of magnetoresistive field sensors |
US6468376B2 (en) | 2001-01-03 | 2002-10-22 | International Business Machines Corporation | Precision bonding method and apparatus |
US6857181B2 (en) * | 2002-08-12 | 2005-02-22 | International Business Machines Corporation | Method of making a T-shaped write head with less side writing |
JP4093250B2 (ja) * | 2004-06-04 | 2008-06-04 | Tdk株式会社 | オーバーコート積層体内に発熱体を備えた薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置 |
US7724474B2 (en) * | 2005-08-09 | 2010-05-25 | Tdk Corporation | Thin-film magnetic head comprising contact pad including portions of closure and substrate and magnetic recording apparatus comprising the head |
JP2007141331A (ja) * | 2005-11-17 | 2007-06-07 | Tdk Corp | クロージャ部を備えた薄膜磁気ヘッド及び該薄膜磁気ヘッドの製造方法 |
KR20150010520A (ko) * | 2013-07-19 | 2015-01-28 | 삼성전자주식회사 | 경자성 자기교환결합 복합 구조체 및 이를 포함한 수직자기기록매체 |
KR20150010519A (ko) * | 2013-07-19 | 2015-01-28 | 삼성전자주식회사 | 연자성 자기교환결합 복합 구조체 및 이를 포함한 고주파소자 부품, 안테나 모듈 및 자기저항소자 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3829896A (en) * | 1972-11-08 | 1974-08-13 | Ibm | Bias means for batch fabricated magnetic head and method of manufacture thereof |
JPS54104812A (en) * | 1978-02-03 | 1979-08-17 | Matsushita Electric Ind Co Ltd | Thin film magnetic head and production of the same |
JPS5593519A (en) * | 1978-12-28 | 1980-07-16 | Matsushita Electric Ind Co Ltd | Magnetic head |
US4241367A (en) * | 1978-03-03 | 1980-12-23 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head |
JPS5522275A (en) * | 1978-08-04 | 1980-02-16 | Fujitsu Ltd | Manufacture of thin-film magnetic head |
US4422117A (en) * | 1980-04-11 | 1983-12-20 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head and method of making it |
JPS57123516A (en) * | 1981-01-23 | 1982-08-02 | Matsushita Electric Ind Co Ltd | Thin-film magnetic head |
JPS5924422A (ja) * | 1982-07-30 | 1984-02-08 | Toshiba Corp | 磁気ヘツド |
JPS5994221A (ja) * | 1982-11-20 | 1984-05-30 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘツド |
JPS59231722A (ja) * | 1983-06-13 | 1984-12-26 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘッドの製造方法 |
JPH0450562Y2 (de) * | 1985-04-03 | 1992-11-30 | ||
US4777074A (en) * | 1985-08-12 | 1988-10-11 | Sumitomo Special Metals Co., Ltd. | Grooved magnetic substrates and method for producing the same |
JPS649648A (en) * | 1987-07-02 | 1989-01-12 | Mitsubishi Electric Corp | Semiconductor device |
EP0311854A1 (de) * | 1987-10-16 | 1989-04-19 | Siemens Aktiengesellschaft | Dünnfilm-Magnetkopf mit schichtweisem Aufbau zur senkrechten Magnetisierung |
JPH01124108A (ja) * | 1987-11-09 | 1989-05-17 | Hitachi Ltd | 薄膜磁気ヘツド |
JPH0778853B2 (ja) * | 1988-05-06 | 1995-08-23 | 三洋電機株式会社 | 浮動型磁気ヘツド及びその製造方法 |
JPH0762890B2 (ja) * | 1988-10-04 | 1995-07-05 | 富士写真フイルム株式会社 | 薄膜磁気ヘッド |
US5130877A (en) * | 1990-04-26 | 1992-07-14 | Seagate Technology, Inc. | Thin film head on ferrite substrate with inclined top pole |
-
1991
- 1991-05-02 US US07/694,611 patent/US5142768A/en not_active Expired - Lifetime
-
1992
- 1992-04-01 CA CA002064641A patent/CA2064641C/en not_active Expired - Fee Related
- 1992-04-02 KR KR1019920005489A patent/KR960001285B1/ko not_active IP Right Cessation
- 1992-04-20 JP JP4099144A patent/JPH07176014A/ja active Pending
- 1992-04-30 EP EP92303899A patent/EP0516288B1/de not_active Expired - Lifetime
- 1992-04-30 DE DE69213558T patent/DE69213558T2/de not_active Expired - Lifetime
-
1993
- 1993-03-10 US US08/029,346 patent/US5296993A/en not_active Expired - Lifetime
-
1996
- 1996-08-19 JP JP8216998A patent/JPH09120507A/ja active Pending
- 1996-11-28 HK HK210996A patent/HK210996A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0516288A2 (de) | 1992-12-02 |
KR920022205A (ko) | 1992-12-19 |
US5296993A (en) | 1994-03-22 |
JPH07176014A (ja) | 1995-07-14 |
EP0516288B1 (de) | 1996-09-11 |
US5142768A (en) | 1992-09-01 |
CA2064641A1 (en) | 1992-11-03 |
KR960001285B1 (ko) | 1996-01-25 |
EP0516288A3 (en) | 1993-08-25 |
JPH09120507A (ja) | 1997-05-06 |
CA2064641C (en) | 1998-09-22 |
DE69213558T2 (de) | 1997-03-13 |
HK210996A (en) | 1996-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7 |