JPH02113807U - - Google Patents

Info

Publication number
JPH02113807U
JPH02113807U JP1977389U JP1977389U JPH02113807U JP H02113807 U JPH02113807 U JP H02113807U JP 1977389 U JP1977389 U JP 1977389U JP 1977389 U JP1977389 U JP 1977389U JP H02113807 U JPH02113807 U JP H02113807U
Authority
JP
Japan
Prior art keywords
magnetic
gap
yoke
resistance element
opposing surfaces
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.)
Pending
Application number
JP1977389U
Other languages
English (en)
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 filed Critical
Priority to JP1977389U priority Critical patent/JPH02113807U/ja
Priority to DE19904005504 priority patent/DE4005504A1/de
Publication of JPH02113807U publication Critical patent/JPH02113807U/ja
Pending legal-status Critical Current

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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Heads (AREA)

Description

【図面の簡単な説明】
第１図ないし第３図は、この考案の一実施例で
ある磁気ヘツドを示す図であつて、第１図は正面
図、第２図は第１図の−′線に沿う矢視断面
図、第３図は第１図の−′線に沿う矢視断面
図、第４図は磁気ヘツドの回路図、第５図は磁気
カードの一例を示す断面図、第６図は従来の磁気
センサの一例を示す断面図である。 ２……媒体層、３……遮蔽膜、４……コア、５
……対向面、６……飽和用ギヤツプ、７……磁気
検知部、９……磁気抵抗素子、１０ａ……ギヤツ
プ、１４……磁束導入ヨーク、１５……コイル、
２０……磁気センサ、２１……温度較正用センサ
。
補正 平１．４．２６ 考案の名称を次のように補正する。 考案の名称 磁気ヘツド 実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。
【実用新案登録請求の範囲】 磁気抵抗素子と該磁気抵抗素子近傍にギヤツプ
を有する磁束導入ヨークとを備えた磁気センサが
複数個列設されてなる磁気ヘツドであつて、これ
ら磁気センサのうち少なくとも一つの磁気センサ
の磁束導入ヨークにはギヤツプが設けられていな
いことを特徴とする磁気ヘツド。
【図面の簡単な説明】 第１図ないし第３図は、この考案の一実施例で
ある磁気ヘツドを示す図であつて、第１図は正面
図、第２図は第１図の−′線に沿う矢視断面
図、第３図は第１図の−′線に沿う矢視断面
図、第４図は磁気ヘツドの回路図、第５図は磁気
カードの一例を示す断面図、第６図は従来の磁気
センサの一例を示す断面図である。 ２……媒体層、３……遮蔽膜、４……コア、５
……対向面、６……飽和用ギヤツプ、９……磁気
抵抗素子、１０ａ……ギヤツプ、１４……磁束導
入ヨーク、１５……コイル、７，２０……磁気セ
ンサ、２１……温度較正用センサ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 磁性体からなるコアの対向面側に磁気ギヤツプ
    が構成され、この対向面間には磁気抵抗素子と該
    磁気抵抗素子近傍にギヤツプを有する磁束導入ヨ
    ークとを備えた磁気検知部が設けられていると共
    に、前記コアには磁気媒体の遮蔽膜を磁気飽和さ
    せる手段が設けられている磁気センサが複数個列
    設されてなる磁気ヘツドであつて、これら磁気セ
    ンサのうち少なくとも一つの磁気センサの磁束導
    入ヨークにはギヤツプが設けられていないことを
    特徴とする磁気ヘツド。
JP1977389U 1989-02-22 1989-02-22 Pending JPH02113807U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1977389U JPH02113807U (ja) 1989-02-22 1989-02-22
DE19904005504 DE4005504A1 (de) 1989-02-22 1990-02-21 Magnetkopf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977389U JPH02113807U (ja) 1989-02-22 1989-02-22

Publications (1)

Publication Number Publication Date
JPH02113807U true JPH02113807U (ja) 1990-09-12

Family

ID=12008654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977389U Pending JPH02113807U (ja) 1989-02-22 1989-02-22

Country Status (2)

Country Link
JP (1) JPH02113807U (ja)
DE (1) DE4005504A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260653A (en) * 1992-06-03 1993-11-09 Eastman Kodak Company Thin film very high sensitivity magnetoresistive magnetometer having temperature compensation and simple domain stability

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492997A (en) * 1980-11-28 1985-01-08 Hitachi, Ltd. Reproducing and amplifying circuit for magnetoresistive head
NL8601371A (nl) * 1986-05-29 1987-12-16 Philips Nv Magneetkop.

Also Published As

Publication number Publication date
DE4005504A1 (de) 1990-08-30

Similar Documents

Publication Publication Date Title
EP0221540A3 (en) Magnetic transducer head utilizing magnetoresistance effect
JPH02124575U (ja)
JPH02113807U (ja)
JPH0212709U (ja)
JPH02110878U (ja)
JPS63167277U (ja)
JPS6149466U (ja)
JPS63150384U (ja)
JPS63122276U (ja)
JPS6292405U (ja)
JPH02118878U (ja)
JPH01135366U (ja)
JPH027584U (ja)
JPH02128579U (ja)
JPS6110578U (ja) 磁気検出装置
JPH01129619U (ja)
JPH0394611U (ja)
JPH02150586U (ja)
JPH03130565U (ja)
JPS63167276U (ja)
JPH02148415U (ja)
JPH043356U (ja)
JPS63177709U (ja)
JPS6124813U (ja) 磁気抵抗効果型磁気ヘツド
JPS61129788U (ja)