JPS5337205B2 - - Google Patents
Info
- Publication number
- JPS5337205B2 JPS5337205B2 JP11398074A JP11398074A JPS5337205B2 JP S5337205 B2 JPS5337205 B2 JP S5337205B2 JP 11398074 A JP11398074 A JP 11398074A JP 11398074 A JP11398074 A JP 11398074A JP S5337205 B2 JPS5337205 B2 JP S5337205B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
- G11B5/3932—Magnetic biasing films
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US403702A US3864751A (en) | 1973-10-04 | 1973-10-04 | Induced bias magnetoresistive read transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5065213A JPS5065213A (US06312121-20011106-C00033.png) | 1975-06-02 |
| JPS5337205B2 true JPS5337205B2 (US06312121-20011106-C00033.png) | 1978-10-07 |
Family
ID=23596700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11398074A Expired JPS5337205B2 (US06312121-20011106-C00033.png) | 1973-10-04 | 1974-10-04 |
Country Status (12)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6266935U (US06312121-20011106-C00033.png) * | 1985-10-11 | 1987-04-25 |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4097802A (en) * | 1975-06-30 | 1978-06-27 | International Business Machines Corporation | Magnetoresistive field sensor with a magnetic shield which prevents sensor response at fields below saturation of the shield |
| NL7508533A (nl) * | 1975-07-17 | 1977-01-19 | Philips Nv | Dunne film magneetkop voor het lezen en schrijven van informatie. |
| US4012781A (en) * | 1975-08-14 | 1977-03-15 | International Business Machines Corporation | Magnetoresistive read head assembly for servo operation |
| US4024489A (en) * | 1975-11-18 | 1977-05-17 | International Business Machines Corporation | Magnetoresistive sandwich including sensor electrically parallel with electrical shunt and magnetic biasing layers |
| NL7611522A (nl) * | 1976-10-19 | 1978-04-21 | Philips Nv | Magnetoweerstand leeskop met onderdrukking van thermischhe ruis. |
| JPS54157610A (en) * | 1978-05-26 | 1979-12-12 | Sony Corp | Magnetic head |
| GB2037474B (en) * | 1978-12-11 | 1983-08-24 | Racal Recorders Ltd | Magneting recording and reproduction |
| US4255772A (en) * | 1979-06-29 | 1981-03-10 | International Business Machines Corporation | Read/write magnetic head assembly with magnetoresistive sensor |
| JPS5613513A (en) * | 1979-07-11 | 1981-02-09 | Matsushita Electric Ind Co Ltd | Magnetic head and its manufacture |
| DE3229774A1 (de) * | 1981-08-10 | 1983-03-24 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Magnetoresistives element |
| JPS58166527A (ja) * | 1982-03-29 | 1983-10-01 | Nec Corp | 磁気抵抗効果ヘツド |
| US4504787A (en) * | 1982-04-05 | 1985-03-12 | Honeywell Inc. | Electronic watthour meter |
| DE3374622D1 (en) * | 1982-04-14 | 1987-12-23 | Matsushita Electric Ind Co Ltd | A playback head for perpendicular magnetic recordings |
| US4599668A (en) * | 1983-06-15 | 1986-07-08 | Eastman Kodak Company | Inductively-coupled, thin-film M-R head |
| JPS6047223A (ja) * | 1983-08-25 | 1985-03-14 | Sony Corp | 磁気抵抗効果型磁気ヘツド |
| US4663684A (en) * | 1984-01-27 | 1987-05-05 | Hitachi, Ltd. | Magnetic transducer using magnetoresistance effect |
| US4649447A (en) * | 1985-08-15 | 1987-03-10 | International Business Machines | Combed MR sensor |
| US4663685A (en) * | 1985-08-15 | 1987-05-05 | International Business Machines | Magnetoresistive read transducer having patterned longitudinal bias |
| JPH07105006B2 (ja) * | 1985-11-05 | 1995-11-13 | ソニー株式会社 | 磁気抵抗効果型磁気ヘツド |
| JPS62184616A (ja) * | 1986-02-10 | 1987-08-13 | Hitachi Ltd | 磁気抵抗効果型磁気ヘツド |
| US4713708A (en) * | 1986-10-31 | 1987-12-15 | International Business Machines | Magnetoresistive read transducer |
| US4771349A (en) * | 1986-10-31 | 1988-09-13 | International Business Machine Corporation | Magnetoresistive read transducer |
| US4857418A (en) * | 1986-12-08 | 1989-08-15 | Honeywell Inc. | Resistive overlayer for magnetic films |
| US4754431A (en) * | 1987-01-28 | 1988-06-28 | Honeywell Inc. | Vialess shorting bars for magnetoresistive devices |
| US4967298A (en) * | 1987-02-17 | 1990-10-30 | Mowry Greg S | Magnetic head with magnetoresistive sensor, inductive write head, and shield |
| US4796106A (en) * | 1987-05-29 | 1989-01-03 | Eastman Kodak Company | a.c. Self-biased magnetoresistive reproduce head utilizing second harmonic signal detection |
| US4833560A (en) * | 1987-06-26 | 1989-05-23 | Eastman Kodak Company | Self-biased magnetoresistive reproduce head |
| US4879619A (en) * | 1988-03-28 | 1989-11-07 | International Business Machines Corporation | Magnetoresistive read transducer |
| US4940511A (en) * | 1988-03-28 | 1990-07-10 | International Business Machines Corporation | Method for making a magnetoresistive read transducer |
| US5218497A (en) * | 1988-12-02 | 1993-06-08 | Hitachi, Ltd. | Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith |
| US5258884A (en) * | 1991-10-17 | 1993-11-02 | International Business Machines Corporation | Magnetoresistive read transducer containing a titanium and tungsten alloy spacer layer |
| US5311385A (en) * | 1991-12-18 | 1994-05-10 | Minnesota Mining And Manufacturing Company | Magnetoresistive head with integrated bias and magnetic shield layer |
| DE69316438T2 (de) * | 1992-05-18 | 1998-08-27 | Nec Corp | Magnetoresistives Element |
| JPH0653039A (ja) * | 1992-08-03 | 1994-02-25 | Hitachi Ltd | 耐食性磁性膜およびこれを用いた磁気ヘッド |
| JPH06162450A (ja) * | 1992-11-19 | 1994-06-10 | Matsushita Electric Ind Co Ltd | 磁気抵抗効果型ヘッド及びその製造方法 |
| KR950008750B1 (ko) * | 1993-02-05 | 1995-08-04 | 대우전자주식회사 | 준고정 헤드 영상 신호 기록 및 재생 장치 |
| JPH06318516A (ja) * | 1993-05-06 | 1994-11-15 | Mitsubishi Electric Corp | 軟磁性多層膜およびこれを用いた磁気ヘッド |
| US5723198A (en) * | 1993-06-11 | 1998-03-03 | Hitachi, Ltd. | Multi-layered magnetic recording medium and magnetic recording system employing the same |
| KR100234176B1 (ko) * | 1995-06-30 | 1999-12-15 | 이형도 | 자기 저항소자 및 그 제조방법 |
| US6249406B1 (en) | 1996-09-23 | 2001-06-19 | International Business Machines Corporation | Magnetoresistive sensor with a soft adjacent layer having high magnetization, high resistivity, low intrinsic anisotropy and near zero magnetostriction |
| US5985162A (en) * | 1997-03-05 | 1999-11-16 | Headway Technologies, Inc. | Method for forming soft adjacent layer (SAL) magnetoresistive (MR) sensor element with electrically insulated soft adjacent layer (SAL) |
| US5920980A (en) * | 1997-03-05 | 1999-07-13 | Headway Technologies, Inc. | Method of making a soft adjacent layer (SAL) magnetoresistive (MR) sensor element with electrically insulated soft adjacent layer (SAL) |
| KR100434484B1 (ko) * | 1997-12-30 | 2004-07-16 | 삼성전자주식회사 | 소프트 어제이션트 레이어로 바이어스된 자기 저항 헤드 |
| US6007731A (en) * | 1998-03-23 | 1999-12-28 | Headway Technologies, Inc. | Soft adjacent layer (SAL) magnetoresistive (MR) sensor element with electrically insulated soft adjacent layer (SAL) |
| JP2000030224A (ja) | 1998-07-13 | 2000-01-28 | Tdk Corp | 磁気抵抗効果素子、薄膜磁気ヘッドおよびそれらの製造方法 |
| US6583971B1 (en) * | 1999-03-09 | 2003-06-24 | Sae Magnetics (Hk) Ltd. | Elimination of electric-pop noise in MR/GMR device |
| US7054609B2 (en) * | 2002-04-04 | 2006-05-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Linearity improvement of Gilbert mixers |
| US7672659B2 (en) * | 2002-04-04 | 2010-03-02 | Telefonaktiebolaget L M Ericsson (Publ) | Mixer with feedback |
| US20040245985A1 (en) * | 2003-06-03 | 2004-12-09 | Glenn Mayfield | apparatus for monitoring changes in a magnetic field |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493694A (en) * | 1966-01-19 | 1970-02-03 | Ampex | Magnetoresistive head |
| FR2018239A1 (US06312121-20011106-C00033.png) * | 1968-09-17 | 1970-05-29 | Pioneer Electronic Corp | |
| US3731007A (en) * | 1971-04-19 | 1973-05-01 | Denki Onkyo Co Ltd | Magnetic head having a magneto-resistive bridge circuit |
| US3716781A (en) * | 1971-10-26 | 1973-02-13 | Ibm | Magnetoresistive sensing device for detection of magnetic fields having a shape anisotropy field and uniaxial anisotropy field which are perpendicular |
| FR2165206A5 (US06312121-20011106-C00033.png) * | 1971-12-22 | 1973-08-03 | Cii |
-
1973
- 1973-10-04 US US403702A patent/US3864751A/en not_active Expired - Lifetime
-
1974
- 1974-08-22 FR FR7429334A patent/FR2246926B1/fr not_active Expired
- 1974-08-23 IT IT26546/74A patent/IT1020146B/it active
- 1974-08-29 CH CH1176674A patent/CH575697A5/xx not_active IP Right Cessation
- 1974-09-02 GB GB3823074A patent/GB1456070A/en not_active Expired
- 1974-09-05 DE DE2442566A patent/DE2442566C3/de not_active Expired
- 1974-09-19 CA CA209,550A patent/CA1033836A/en not_active Expired
- 1974-09-20 SE SE7411851A patent/SE400404B/xx not_active IP Right Cessation
- 1974-09-25 BE BE148877A patent/BE820323A/xx not_active IP Right Cessation
- 1974-10-04 BR BR8250/74A patent/BR7408250D0/pt unknown
- 1974-10-04 NL NLAANVRAGE7413097,A patent/NL179319C/xx not_active IP Right Cessation
- 1974-10-04 JP JP11398074A patent/JPS5337205B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6266935U (US06312121-20011106-C00033.png) * | 1985-10-11 | 1987-04-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5065213A (US06312121-20011106-C00033.png) | 1975-06-02 |
| DE2442566B2 (de) | 1981-04-16 |
| CA1033836A (en) | 1978-06-27 |
| GB1456070A (en) | 1976-11-17 |
| BR7408250D0 (pt) | 1975-07-29 |
| IT1020146B (it) | 1977-12-20 |
| FR2246926B1 (US06312121-20011106-C00033.png) | 1979-03-09 |
| NL179319C (nl) | 1986-08-18 |
| DE2442566A1 (de) | 1975-04-30 |
| SE7411851L (US06312121-20011106-C00033.png) | 1975-04-07 |
| CH575697A5 (US06312121-20011106-C00033.png) | 1976-05-14 |
| BE820323A (fr) | 1975-01-16 |
| SE400404B (sv) | 1978-03-20 |
| FR2246926A1 (US06312121-20011106-C00033.png) | 1975-05-02 |
| AU7326174A (en) | 1976-03-18 |
| US3864751A (en) | 1975-02-04 |
| NL7413097A (nl) | 1975-04-08 |
| DE2442566C3 (de) | 1981-12-17 |
