JPS61187415U - - Google Patents
Info
- Publication number
- JPS61187415U JPS61187415U JP7004385U JP7004385U JPS61187415U JP S61187415 U JPS61187415 U JP S61187415U JP 7004385 U JP7004385 U JP 7004385U JP 7004385 U JP7004385 U JP 7004385U JP S61187415 U JPS61187415 U JP S61187415U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sensor
- magnetic
- thin film
- sensor board
- ferromagnetic thin
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 230000005294 ferromagnetic effect Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の１実施例であり、第２図は第
１図にてバイアス磁界の方向を示す立体図、第３
図は第１図の実施例でのバイアスＭｇの位置とバ
イアス磁界の方向を示す説明図、第４図は第１図
のエンコーダーへの実施例の図、第５図、第６図
は本考案による出力電圧波形の説明図、第７図は
従来並に本考案による抵抗体磁場曲線の温度特性
を示す、第８図は従来の磁気センサーの例、第９
図は強磁性体薄膜のパターンの１例、第１０図並
びに１１図は抵抗値対印加磁場との関係を示す図
である。
１……基板、２……強磁性体パターン、３……
入、出力リード線、４……従来のバイアスＭｇ、
５……非磁性体ブロツク、５１……上端平面部、
５３……裏面、５４，５５……側面、６……本考
案によるバイアスマグネツト、７……エンコーダ
回転ドラム、７１……磁気記録媒体、１０……バ
イアスＭｇなしの磁気センサー基板、１１……バ
イアスＭｇ付きの磁気センサーー基板。
Fig. 1 shows one embodiment of the present invention, Fig. 2 is a three-dimensional view showing the direction of the bias magnetic field in Fig. 1, and Fig.
The figure is an explanatory diagram showing the position of the bias Mg and the direction of the bias magnetic field in the embodiment of Fig. 1, Fig. 4 is an illustration of the embodiment of the encoder of Fig. 1, and Figs. 5 and 6 are diagrams of the present invention. FIG. 7 shows the temperature characteristics of the resistor magnetic field curve according to the conventional method and the present invention. FIG. 8 shows an example of the conventional magnetic sensor.
The figure shows an example of a pattern of a ferromagnetic thin film, and FIGS. 10 and 11 are diagrams showing the relationship between resistance value and applied magnetic field. 1...Substrate, 2...Ferromagnetic pattern, 3...
Input and output lead wires, 4... Conventional bias Mg,
5... Non-magnetic block, 51... Upper end flat part,
53... Back surface, 54, 55... Side surface, 6... Bias magnet according to the present invention, 7... Encoder rotating drum, 71... Magnetic recording medium, 10... Magnetic sensor substrate without bias Mg, 11... Magnetic sensor board with bias Mg.
Claims (1)
、絶縁基板上に形成され、前記強磁性体薄膜に電
気的入力、出力機能をもたせるリード端子部分が
形成された磁気センサー基板に外部の永久磁石に
より磁気センサー基板面にバイアス磁場を加えた
磁気センサーであつて、 上記磁気センサー基板は、非磁性体ブロツクに
固定され、前記磁気センサー基板と非磁性体ブロ
ツクとの接合部分をのぞいた部分の非磁性体ブロ
ツクの任意の個所に永久磁石を固定した事を特徴
とする磁気センサー。 (2) 上記磁気センサー基板に加わるバイアス磁
界の上向が、強磁性体薄膜の長さ方向と同一方向
に設定された実用新案登録請求の範囲記載の磁気
センサー。[Claims for Utility Model Registration] (1) A ferromagnetic thin film that causes a change in resistance due to a magnetic field is formed on an insulating substrate, and a lead terminal portion that provides electrical input and output functions is formed on the ferromagnetic thin film. The magnetic sensor has a magnetic sensor board with a bias magnetic field applied to the surface of the magnetic sensor board by an external permanent magnet, the magnetic sensor board is fixed to a non-magnetic block, and the magnetic sensor board and the non-magnetic block are connected to each other. A magnetic sensor characterized by having a permanent magnet fixed to any part of a non-magnetic block except for the joint part. (2) The magnetic sensor according to the claims for utility model registration, wherein the upward direction of the bias magnetic field applied to the magnetic sensor substrate is set in the same direction as the length direction of the ferromagnetic thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985070043U JPH0710245Y2 (en) | 1985-05-14 | 1985-05-14 | Magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985070043U JPH0710245Y2 (en) | 1985-05-14 | 1985-05-14 | Magnetic sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187415U true JPS61187415U (en) | 1986-11-21 |
| JPH0710245Y2 JPH0710245Y2 (en) | 1995-03-08 |
Family
ID=30606287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985070043U Expired - Lifetime JPH0710245Y2 (en) | 1985-05-14 | 1985-05-14 | Magnetic sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710245Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008249370A (en) * | 2007-03-29 | 2008-10-16 | Canon Electronics Inc | Magnetic material detection sensor and magnetic material detector |
| JP2008249371A (en) * | 2007-03-29 | 2008-10-16 | Canon Electronics Inc | Magnetic material detection sensor and magnetic material detector |
| JP2009053186A (en) * | 2007-07-30 | 2009-03-12 | Yamaha Corp | Moving body detector |
| JP2009139252A (en) * | 2007-12-07 | 2009-06-25 | Tokai Rika Co Ltd | Position sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924210A (en) * | 1982-07-30 | 1984-02-07 | Sony Magnescale Inc | Magnetic head |
-
1985
- 1985-05-14 JP JP1985070043U patent/JPH0710245Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924210A (en) * | 1982-07-30 | 1984-02-07 | Sony Magnescale Inc | Magnetic head |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008249370A (en) * | 2007-03-29 | 2008-10-16 | Canon Electronics Inc | Magnetic material detection sensor and magnetic material detector |
| JP2008249371A (en) * | 2007-03-29 | 2008-10-16 | Canon Electronics Inc | Magnetic material detection sensor and magnetic material detector |
| JP2009053186A (en) * | 2007-07-30 | 2009-03-12 | Yamaha Corp | Moving body detector |
| JP2009139252A (en) * | 2007-12-07 | 2009-06-25 | Tokai Rika Co Ltd | Position sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710245Y2 (en) | 1995-03-08 |
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