[go: up one dir, main page]

KR840000018A - 자기 감지기 및 자기 감지기용 자기 투입 부품 - Google Patents

자기 감지기 및 자기 감지기용 자기 투입 부품 Download PDF

Info

Publication number
KR840000018A
KR840000018A KR1019820001887A KR820001887A KR840000018A KR 840000018 A KR840000018 A KR 840000018A KR 1019820001887 A KR1019820001887 A KR 1019820001887A KR 820001887 A KR820001887 A KR 820001887A KR 840000018 A KR840000018 A KR 840000018A
Authority
KR
South Korea
Prior art keywords
magnetic
layer
alloy
magnetic sensor
layers
Prior art date
Application number
KR1019820001887A
Other languages
English (en)
Inventor
아드리아누스 코르네리스 판 어이옌 요한네스 (외 1)
Original Assignee
디.제이.삭커스
엔.브이.필립스 글로아이람펜 파브리켄
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 디.제이.삭커스, 엔.브이.필립스 글로아이람펜 파브리켄 filed Critical 디.제이.삭커스
Publication of KR840000018A publication Critical patent/KR840000018A/ko
Priority to KR2019880012276U priority Critical patent/KR890001845Y1/ko

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
    • 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
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
    • G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin films
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)

Abstract

내용 없음

Description

자기 감지기 및 자기 감지기용 자기 투입 부품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 자기 감지기의 횡단면도. 제2도는 스펙트럼 분석기에 의해 기록된 본 발명에 따른 자기 감지기의 것과 비교한 공지된 자기 감지기의 더 높은 고조파 찌그러짐과 같은 레벨을 도시한 도면.

Claims (7)

  1. 측정전류원에 접속시키기 위한 접점을 2개의 대향단부에 갖고 있고 자화축이 자기 저항소자의 평면에 놓이는 자기 비등방성을 나타내는 기다란 자기 저항소자, 한 평면에 배치되고 자기 저항소자에 의해 자기적으로 연결되도록 갭이 사이에 존재하는 2개의 자기 투입부품, 및 이 2개의 부품들에 평행하게 배치되고 한 단부는 갭으로부터 제거된 2개의 부품들이 제1부품단부이 자기적으로 결합된 자기투입물질의 몸체를 포함하고, 갭으로부터 제거된 제2자기 투입부품의 단부는 외부 자계와 자속 결합관계로 되기에 적합하게 되는 자기 감지기에 있어서, 특히 자기투입부품이 거의 동일한 조성물로 된 최소한 2개의 평행한 자기 투입 물질층으로 각각 구성되고, 이 층들 사이에 상이한 조성물로 된 층이 존재하는 것을 특징으로 하는 자기 감지기.
  2. 제1항에 있어서, 중간층의 두께가 50nm를 초과하지 않고 10nm를 초과하지 않는 것이 양호한 것을 특징으로 하는 자기 감지기.
  3. 제1항 또는 제2항에 있어서, 비자성물질층이 모든 2개의 자기투입물질층 사이에 존재하는 것을 특징으로 하는 자기 감지기.
  4. 제3항에 있어서, 비자성물질층이 Mo로 구성된 것을 특징으로 하는 자기 감지기.
  5. 제1항 또는 제2항에 있어서, 자기투입 물질층이 제1의 Ni/Fe의 비율의 Ni-Fe합금으로 구성되고, 중간층이 제2의 Ni/Fe 비율의 Ni-Fe합금으로 구성된 것을 특징으로 하는 자기 감지기.
  6. 전기 도금 용기내에 있는 기판상에 제1자기 투입 합금층이 시간 t1기간동안 피착되고, 피착상태가 시간 t2동안 변환되며, 제2자기 투입 합금층이 시간 t3동안 피착되는 것을 특징으로 하는 자기 감지기용 자기 투입 부품 제조방법.
  7. 제6항에 있어서 피착상태 변화가 전기 도금 용기를 통하는 전류의 증가, 감소 또는 중단을 포함하는 것을 특징으로 하는 자기 감지기용 자기 투입부품 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019820001887A 1981-05-01 1982-04-29 자기 감지기 및 자기 감지기용 자기 투입 부품 KR840000018A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880012276U KR890001845Y1 (ko) 1981-05-01 1988-07-28 자기 감지기 및 자기 감지기용 자기투과 부품

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8102148A NL8102148A (nl) 1981-05-01 1981-05-01 Magnetisch overdrachtselement alsmede magnetisch permeabel onderdeel voor een magnetisch overdrachtselement.
NL8102148 1981-05-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019880012276U Division KR890001845Y1 (ko) 1981-05-01 1988-07-28 자기 감지기 및 자기 감지기용 자기투과 부품

Publications (1)

Publication Number Publication Date
KR840000018A true KR840000018A (ko) 1984-01-30

Family

ID=19837428

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019820001887A KR840000018A (ko) 1981-05-01 1982-04-29 자기 감지기 및 자기 감지기용 자기 투입 부품

Country Status (5)

Country Link
US (1) US4489357A (ko)
EP (1) EP0064786A3 (ko)
JP (2) JPS57203979A (ko)
KR (1) KR840000018A (ko)
NL (1) NL8102148A (ko)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108019A (ja) * 1981-12-21 1983-06-28 Trio Kenwood Corp 薄膜磁気ヘッドの製造方法
JPS6087417A (ja) * 1983-10-20 1985-05-17 Matsushita Electric Ind Co Ltd 薄膜磁気ヘツド
DE3613619A1 (de) * 1985-04-26 1986-10-30 Sharp K.K., Osaka Duennfilm-magnetkopf
US4783711A (en) * 1985-07-12 1988-11-08 Hitachi, Ltd. Magnetoresistive sensor having magnetic shields of ferrite
JPS62128015A (ja) * 1985-11-29 1987-06-10 Hitachi Ltd 磁気抵抗効果型磁気ヘツド
DE3644388A1 (de) * 1985-12-27 1987-07-02 Sharp Kk Duennfilm-joch-magnetkopf
US4754354A (en) * 1986-05-05 1988-06-28 Eastman Kodak Company Ferrite film insulating layer in a yoke-type magneto-resistive head
US5159511A (en) * 1987-04-01 1992-10-27 Digital Equipment Corporation Biasing conductor for MR head
US4907113A (en) * 1987-07-29 1990-03-06 Digital Equipment Corporation Three-pole magnetic recording head
US5111352A (en) * 1987-07-29 1992-05-05 Digital Equipment Corporation Three-pole magnetic head with reduced flux leakage
US5103553A (en) * 1987-07-29 1992-04-14 Digital Equipment Corporation Method of making a magnetic recording head
GB8900398D0 (en) * 1989-01-09 1989-03-08 Scient Generics Ltd Magnetic materials
DE69019416T2 (de) * 1989-05-01 1996-02-29 Quantum Corp Magnetische Vorrichtungen mit verbesserten Polen.
US5142426A (en) * 1990-06-21 1992-08-25 International Business Machines Corporation Thin film magnetic head having interspersed resistance layers to provide a desired cut-off frequency
US5119025A (en) * 1990-07-26 1992-06-02 Eastman Kodak Company High-sensitivity magnetorresistive magnetometer having laminated flux collectors defining an open-loop flux-conducting path
EP0540692B1 (en) * 1990-07-26 1995-04-26 Eastman Kodak Company Miniature high-sensitivity magnetoresistive magnetometer
US5379172A (en) * 1990-09-19 1995-01-03 Seagate Technology, Inc. Laminated leg for thin film magnetic transducer
JPH04351706A (ja) * 1991-05-30 1992-12-07 Matsushita Electric Ind Co Ltd 複合型薄膜磁気ヘッド
US5668523A (en) * 1993-12-29 1997-09-16 International Business Machines Corporation Magnetoresistive sensor employing an exchange-bias enhancing layer
US5491600A (en) * 1994-05-04 1996-02-13 International Business Machines Corporation Multi-layer conductor leads in a magnetoresistive head
JPH0817020A (ja) * 1994-06-30 1996-01-19 Sony Corp 磁気抵抗効果型薄膜磁気ヘッド
WO1997016823A1 (en) * 1995-10-30 1997-05-09 Philips Electronics N.V. Magnetic head having a laminated flux guide, and device provided with the magnetic head
EP0777213A1 (en) * 1995-11-29 1997-06-04 Eastman Kodak Company Flux-guided paired magnetoresistive head
JP3188232B2 (ja) 1997-12-09 2001-07-16 アルプス電気株式会社 薄膜磁気ヘッドおよびその製造方法
US6223420B1 (en) 1998-12-04 2001-05-01 International Business Machines Corporation Method of making a read head with high resistance soft magnetic flux guide layer for enhancing read sensor efficiency
US6721139B2 (en) 2001-05-31 2004-04-13 International Business Machines Corporation Tunnel valve sensor with narrow gap flux guide employing a lamination of FeN and NiFeMo
DE112012002725T5 (de) * 2011-06-30 2014-03-13 Analog Devices Inc. Isolierter Umrichter mit ON-Chip-Magnetik
US8558344B2 (en) 2011-09-06 2013-10-15 Analog Devices, Inc. Small size and fully integrated power converter with magnetics on chip
US8786393B1 (en) 2013-02-05 2014-07-22 Analog Devices, Inc. Step up or step down micro-transformer with tight magnetic coupling
US9293997B2 (en) 2013-03-14 2016-03-22 Analog Devices Global Isolated error amplifier for isolated power supplies

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1157085A (en) * 1965-07-10 1969-07-02 Plessey Co Ltd Improvements in or relating to Magnetic Alloy Components
US3480522A (en) * 1966-08-18 1969-11-25 Ibm Method of making magnetic thin film device
FR1540853A (fr) * 1966-12-15 1968-09-27 Ibm Procédé de revêtement de films magnétiques
US3512946A (en) * 1967-04-17 1970-05-19 Lash Mfg Inc Composite material for shielding electrical and magnetic energy
DE1758787B2 (de) * 1968-08-07 1976-10-21 Siemens AG, 1000 Berlin und 8000 München Weichmagnetisches eisenblech und verfahren zu seiner herstellung
US3813766A (en) * 1971-12-20 1974-06-04 Ibm Process for manufacture of a magnetic transducer using a pre-existing unitary foil
US3945038A (en) * 1971-12-22 1976-03-16 Compagnie Internationale Pour L'informatique Read-write magnetoresistive transducer having a plurality of MR elements
US3921217A (en) * 1971-12-27 1975-11-18 Ibm Three-legged magnetic recording head using a magnetorestive element
JPS4977198A (ko) * 1972-12-01 1974-07-25
JPS529413A (en) * 1975-07-11 1977-01-25 Matsushita Electric Ind Co Ltd Magnetic head
US4150408A (en) * 1975-07-17 1979-04-17 U.S. Philips Corporation Thin-film magnetic head for reading and writing information
US4103315A (en) * 1977-06-24 1978-07-25 International Business Machines Corporation Antiferromagnetic-ferromagnetic exchange bias films
GB2003647B (en) * 1977-09-02 1982-05-06 Magnex Corp Thin film magnetic recording heads
DE2833249C2 (de) * 1978-07-28 1985-05-09 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Herstellung eines lamellierten Dünnschicht-Magnetkopfes mit mehreren Schichten aus abwechelnd magnetischem und unmagnetischem Material

Also Published As

Publication number Publication date
EP0064786A3 (en) 1983-01-19
NL8102148A (nl) 1982-12-01
US4489357A (en) 1984-12-18
JPH0590381U (ja) 1993-12-10
EP0064786A2 (en) 1982-11-17
JPS57203979A (en) 1982-12-14

Similar Documents

Publication Publication Date Title
KR840000018A (ko) 자기 감지기 및 자기 감지기용 자기 투입 부품
DE69425063T2 (de) Magnetoresistiver linearer weggeber, winkelverschiebungssensor und variabler widerstand
JP2846472B2 (ja) 合成反強磁性磁石を備えた磁気抵抗センサ及びその製造方法
KR970063044A (ko) 박막 자기헤드
MY110478A (en) Magnetoresistive spin valve sensor having a nonmagnetic back layer
US5635835A (en) Self biased multilayer magnetoresistance sensor
KR950704820A (ko) 자기 저항 장치 및, 이 장치를 이용한 자기헤드(Magneto-resistance device, and magnetic head employing such a device)
MY110737A (en) Current biased magnetoresistive spin valve sensor
KR870002551A (ko) 자기 저항성 판독 변환기
MY108176A (en) Magnetoresistive sensor based on oscillations in the magnetoresistance
MY107672A (en) Magnetoresistive sensor based on the spin valve effect
JPH04247607A (ja) 磁気抵抗効果素子
KR920010551B1 (ko) 왜곡측정방법 및 왜곡측정장치
EP0130496B1 (en) Magnetic field sensing device
DE2107076B2 (de) Magnetischer Schicht-Dickenmesser
DE10128135A1 (de) Magnetoresistive Schichtanordnung und Gradiometer mit einer derartigen Schichtanordnung
US5936400A (en) Magnetoresistive displacement sensor and variable resistor using a moving domain wall
US3621382A (en) Anistropic thin ferromagnetic film magnetometer
KR970060078A (ko) 자기저항층 및 하부 금속층을 갖는 자기저항 효과 소자
KR880011738A (ko) 자기 기록매체
KR970003289A (ko) 거대 자기저항소자 및 그 제조방법
JP2017191626A (ja) 磁気センサ、磁気ヘッド及び磁気記録装置
Parkin Observation of spin structure related positive magnetoresistance in antiferromagnetically coupled magnetic multilayers
JPH0763832A (ja) 磁気センサおよび磁界検出方法
KR950019763A (ko) 자기 저항성 자기장 감지기

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19820429

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19860911

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19820429

Comment text: Patent Application

PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19880216

Patent event code: PE09021S01D

PE0601 Decision on rejection of patent

Patent event date: 19880428

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19880216

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

PC1205 Withdrawal of application forming a basis of a converted application