JPH03126066U - - Google Patents
Info
- Publication number
- JPH03126066U JPH03126066U JP1989125502U JP12550289U JPH03126066U JP H03126066 U JPH03126066 U JP H03126066U JP 1989125502 U JP1989125502 U JP 1989125502U JP 12550289 U JP12550289 U JP 12550289U JP H03126066 U JPH03126066 U JP H03126066U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- current path
- resistors
- resistance value
- forming
- 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 5
- 230000000694 effects Effects 0.000 claims 6
- 239000000758 substrate Substances 0.000 claims 6
- 239000003302 ferromagnetic material Substances 0.000 claims 4
- 239000004020 conductor Substances 0.000 claims 2
- 230000005294 ferromagnetic effect Effects 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Hall/Mr Elements (AREA)
- Measuring Magnetic Variables (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図ａ，ｂ、第３図ａ，ｂ及び第５図は本考
案の異なる実施例の上面図、第２図ａ，ｂ、第４
図及び第６図はそれぞれ第１図ａ，ｂ、第３図ａ
及び第５図の磁気抵抗素子を用いた磁場検出回路
の回路図、第７図と第８図は従来の磁場検出回路
の回路図、第９図は従来の磁気抵抗素子の上面図
、第１０図ａ，ｂは第８図の回路の電圧波形を示
す図である。
１，２，３，４，５……抵抗体、１ａ，２ａ，
３ａ，４ａ，５ａ……主たる電流通路、６，１０
……出力端子、７……ヒステリシス用の端子、８
，９……基板、６３，６４……電流供給端子。
Figures 1a and b, Figures 3a and b, and Figure 5 are top views of different embodiments of the present invention, Figures 2a and b, and Figure 4.
Figures 1 and 6 are Figure 1 a, b and Figure 3 a, respectively.
FIG. 5 is a circuit diagram of a magnetic field detection circuit using a magnetoresistive element, FIGS. 7 and 8 are circuit diagrams of a conventional magnetic field detection circuit, FIG. 9 is a top view of a conventional magnetoresistive element, and FIG. Figures a and b are diagrams showing voltage waveforms of the circuit of Figure 8. 1, 2, 3, 4, 5...Resistor, 1a, 2a,
3a, 4a, 5a...main current path, 6, 10
...Output terminal, 7...Hysteresis terminal, 8
, 9... Board, 63, 64... Current supply terminal.
補正 平３．８．９
図面の簡単な説明を次のように補正する。
明細書中、第２２頁第１８行目に「第１０図ａ
，ｂは」とあるを『第１０図は』と補正する。Amendment 1993.8.9 The brief description of the drawing is amended as follows. In the specification, on page 22, line 18, “Figure 10a
, b is'' is corrected to ``Figure 10 is''.
Claims (1)
強磁性体膜からなる電流通路と、電極とが形成さ
れ、かつ電流通路上に保護膜が形成された磁気抵
抗素子であつて、夫々磁気抵抗効果を有する強磁
性体の電流通路からなり、順に直列に接続された
第１、第２及び第３の抵抗体１，２，３を有し、
第１の抵抗体１を形成する主たる電流通路１ａと
第２の抵抗体２を形成する主たる電流通路２ａと
は互いに９０°で交差するように、又、第３の抵
抗体３を形成する主たる電流通路３ａは第２の抵
抗体２の主たる電流通路２ａと平行に配置され、
第３の抵抗体３の抵抗値Ｒ３が第２の抵抗体２の
抵抗値Ｒ２に比較して比較的小さな値に定められ
ており、第１と第２の抵抗体１，２の接続点に出
力端子６を、第２と第３の抵抗体２，３の接続点
にヒステリシス用の端子７を、第１と第３の抵抗
体１，３の他端に電流供給端子６３，６４を設け
たことを特徴とする磁気抵抗素子。 ２ 絶縁性の基板８の上に磁気抵抗効果を有する
強磁性体膜からなる電流通路と、電極とが形成さ
れ、かつ電流通路上に保護膜が形成された磁気抵
抗素子であつて、夫々磁気抵抗効果を有する強磁
性体の電流通路からなり、順に直列に接続された
第１、第３及び第２の抵抗体１，３，２を有し、
第１の抵抗体１を形成する主たる電流通路１ａと
第２の抵抗体２を形成する主たる電流通路２ａと
は互いに９０°で交差するように、又、第３の抵
抗体３を形成する主たる電流通路３ａは第２の抵
抗体２の主たる電流通路２ａと平行に配置され、
第３の抵抗体３の抵抗値Ｒ３が第２の抵抗体２の
抵抗値Ｒ２に比較して比較的小さな値に定められ
ており、第１と第３の抵抗体１，３の接続点に出
力端子６を、第２と第３の抵抗体２，３の接続点
にヒステリシス用の端子７を、第１と第２の抵抗
体１，２と他端に電流供給端子６３，６４を設け
たことを特徴とする磁気抵抗素子。 ３ 第３の抵抗体３の抵抗値Ｒ３と第２の抵抗体
２の抵抗値Ｒ２との比Ｒ３／Ｒ２が８×１０−３
から４×１０−２である請求項１又は２記載の磁
気抵抗素子。 ４ 第２の抵抗体２の抵抗値Ｒ２と第１の抵抗体
１の抵抗値Ｒ１との比Ｒ２／Ｒ１がほヾ０．５〜
２である請求項１，２又は３記載の磁気抵抗素子
。 ５ 請求項１記載の磁気抵抗素子の基板８と同様
の基板９の上に、夫々磁気抵抗効果を有する強磁
性体の電流通路からなり、直列に接続された第４
と第５の抵抗体４，５を設け、第４の抵抗体４を
形成する主たる電流通路４ａは第５の抵抗体５を
形成する主たる電流通路５ａ及び第１の抵抗体１
を形成する主たる電流通路１ａと互いに９０°で
交差するように配置され、前記第４と第５の抵抗
体４，５の接続点に第２の出力端子１０を設け、
第４と第５の抵抗体４，５の各他端を前記第１と
第３の抵抗体１，３の各他端に接続したことを特
徴とする請求項１記載の磁気抵抗素子。 ６ 請求項２記載の磁気抵抗素子の基板８と同様
の基板９の上に、夫々磁気抵抗効果を有する強磁
性体の電流通路からなり、直列に接続された第４
と第５の抵抗体４，５を設け、第４の抵抗体４を
形成する主たる電流通路４ａは第５の抵抗体５を
形成する主たる電流通路５ａ及び第１の抵抗体１
を形成する主たる電流通路１ａと互いに９０°で
交差するように配置され、前記第４と第５の抵抗
体４，５の接続点に第２の出力端子１０を設け、
第４と第５の抵抗体４，５の各他端を前記第１と
第２の抵抗体１，２の各他端に接続したことを特
徴とする請求項２記載の磁気抵抗素子。 ７ 第１、第２、第４及び第５の抵抗体１，２，
４，５の各抵抗値Ｒ１，Ｒ２，Ｒ４，Ｒ５の関係
をほヾＲ１：Ｒ２＝Ｒ４：Ｒ５に定めた請求項５
又は６記載の磁気抵抗素子。 ８ 第１、第２、第４及び第５の抵抗体１，２，
４，５の各抵抗値Ｒ１，Ｒ２，Ｒ４，Ｒ５の各値
はほヾ同じ値に定めた請求項５又は６記載の磁気
抵抗素子。 ９ 第３の抵抗体３の抵抗値Ｒ３と第２の抵抗体
２の抵抗値Ｒ２との比Ｒ３／Ｒ２が１．６×１０
−２から８×１０−２である請求項５，６，７又
は８記載の磁気抵抗素子。 １０ 第１の抵抗体１の抵抗値Ｒ１と第２の抵抗
体２の抵抗値Ｒ２との比Ｒ１／Ｒ２及び第４の抵
抗体４の抵抗値Ｒ４と第５の抵抗体５の抵抗値Ｒ
５との比Ｒ４／Ｒ５がほヾ０．５〜２である請求
項４，５，６又は７記載の磁気抵抗素子。[Claims for Utility Model Registration] 1. A magnetic device in which a current path made of a ferromagnetic film having a magnetoresistive effect and an electrode are formed on an insulating substrate 8, and a protective film is formed on the current path. A resistive element, comprising first, second, and third resistors 1, 2, and 3, each consisting of a current path of a ferromagnetic material having a magnetoresistive effect and connected in series in order,
The main current path 1a forming the first resistor 1 and the main current path 2a forming the second resistor 2 intersect with each other at 90°, and the main current path 1a forming the third resistor 3 The current path 3a is arranged parallel to the main current path 2a of the second resistor 2,
The resistance value R3 of the third resistor 3 is set to a relatively small value compared to the resistance value R2 of the second resistor 2, and the An output terminal 6 is provided, a hysteresis terminal 7 is provided at the connection point between the second and third resistors 2 and 3, and current supply terminals 63 and 64 are provided at the other ends of the first and third resistors 1 and 3. A magnetoresistive element characterized by: 2 A magnetoresistive element in which a current path made of a ferromagnetic film having a magnetoresistive effect and an electrode are formed on an insulating substrate 8, and a protective film is formed on the current path. It consists of a current path of a ferromagnetic material having a resistive effect, and has first, third and second resistors 1, 3, 2 connected in series in order,
The main current path 1a forming the first resistor 1 and the main current path 2a forming the second resistor 2 intersect with each other at 90°, and the main current path 1a forming the third resistor 3 The current path 3a is arranged parallel to the main current path 2a of the second resistor 2,
The resistance value R3 of the third resistor 3 is set to a relatively small value compared to the resistance value R2 of the second resistor 2, and the connection point between the first and third resistors 1 and 3 is An output terminal 6 is provided, a hysteresis terminal 7 is provided at the connection point between the second and third resistors 2 and 3, and current supply terminals 63 and 64 are provided at the other end of the first and second resistors 1 and 2. A magnetoresistive element characterized by: 3 The ratio R3/R2 of the resistance value R3 of the third resistor 3 and the resistance value R2 of the second resistor 2 is 8×10 −3
3. The magnetoresistive element according to claim 1 or 2, wherein the magnetic resistance is 4×10 −2 . 4 The ratio R2/R1 of the resistance value R2 of the second resistor 2 and the resistance value R1 of the first resistor 1 is approximately 0.5 to
4. The magnetoresistive element according to claim 1, 2 or 3. 5. On a substrate 9 similar to the substrate 8 of the magnetoresistive element according to claim 1, there are provided fourth conductors each consisting of a current path made of a ferromagnetic material having a magnetoresistive effect and connected in series.
and a fifth resistor 4, 5, the main current path 4a forming the fourth resistor 4 is connected to the main current path 5a forming the fifth resistor 5 and the first resistor 1.
A second output terminal 10 is provided at the connection point of the fourth and fifth resistors 4 and 5, and is arranged so as to intersect at 90 degrees with the main current path 1a forming the main current path 1a.
2. The magnetoresistive element according to claim 1, wherein the other ends of the fourth and fifth resistors 4 and 5 are connected to the other ends of the first and third resistors 1 and 3, respectively. 6. On a substrate 9 similar to the substrate 8 of the magnetoresistive element according to claim 2, there are provided fourth conductors each consisting of a current path made of a ferromagnetic material having a magnetoresistive effect and connected in series.
and a fifth resistor 4, 5, the main current path 4a forming the fourth resistor 4 is connected to the main current path 5a forming the fifth resistor 5 and the first resistor 1.
A second output terminal 10 is provided at the connection point between the fourth and fifth resistors 4 and 5, and is arranged so as to intersect at 90° with the main current path 1a forming
3. The magnetoresistive element according to claim 2, wherein the other ends of the fourth and fifth resistors 4 and 5 are connected to the other ends of the first and second resistors 1 and 2, respectively. 7 First, second, fourth and fifth resistors 1, 2,
Claim 5, wherein the relationship between the resistance values R1, R2, R4, and R5 of 4 and 5 is determined as R1:R2=R4:R5.
Or the magnetoresistive element according to 6. 8 First, second, fourth and fifth resistors 1, 2,
7. The magnetoresistive element according to claim 5, wherein the respective resistance values R1, R2, R4, and R5 are set to substantially the same value. 9 The ratio R3/R2 of the resistance value R3 of the third resistor 3 and the resistance value R2 of the second resistor 2 is 1.6×10
9. The magnetoresistive element according to claim 5, 6, 7, or 8, wherein the magnetic resistance is -2 to 8×10 −2 . 10 Ratio R1/R2 of the resistance value R1 of the first resistor 1 and the resistance value R2 of the second resistor 2, and the resistance value R4 of the fourth resistor 4 and the resistance value R of the fifth resistor 5
8. The magnetoresistive element according to claim 4, 5, 6 or 7, wherein the ratio R4/R5 with respect to 5 is approximately 0.5 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989125502U JP2516939Y2 (en) | 1989-10-26 | 1989-10-26 | Magnetoresistive element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989125502U JP2516939Y2 (en) | 1989-10-26 | 1989-10-26 | Magnetoresistive element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03126066U true JPH03126066U (en) | 1991-12-19 |
| JP2516939Y2 JP2516939Y2 (en) | 1996-11-13 |
Family
ID=31673370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989125502U Expired - Fee Related JP2516939Y2 (en) | 1989-10-26 | 1989-10-26 | Magnetoresistive element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2516939Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009048941A (en) * | 2007-08-22 | 2009-03-05 | I-Pex Co Ltd | Connector device |
-
1989
- 1989-10-26 JP JP1989125502U patent/JP2516939Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009048941A (en) * | 2007-08-22 | 2009-03-05 | I-Pex Co Ltd | Connector device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2516939Y2 (en) | 1996-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |