JPH01168819U - - Google Patents
Info
- Publication number
- JPH01168819U JPH01168819U JP6629788U JP6629788U JPH01168819U JP H01168819 U JPH01168819 U JP H01168819U JP 6629788 U JP6629788 U JP 6629788U JP 6629788 U JP6629788 U JP 6629788U JP H01168819 U JPH01168819 U JP H01168819U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- lead frame
- magnetoresistive element
- hole
- lead
- 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
- 239000012212 insulator Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Description
第１図は本考案による構造の磁気抵抗素子用ホ
ルダーが取付けられたモータの要部拡大断面図、
第２図は同上磁気抵抗素子用ホルダーの型成形時
の状態を示すホルダー及び金型の断面図、第３図
及び第４図は本考案による磁気抵抗素子用ホルダ
ーの夫々別の実施例を示すホルダーの底面図、第
５図は磁気抵抗素子の特性検査時におけるリード
フレームの切断状況を示す図、第６図は従来の特
性試験方法の説明図、第７図は本考案に係る構造
の磁気抵抗素子用ホルダーを用いた場合の特性試
験方法の説明図、第８図は本考案によるホルダー
構造の別の実施例を示し同図ａはホルダーの型成
形時の状態を示すホルダー及び金型の断面図、同
図ｂは完成後の構造を示すホルダーの断面図、第
９図は磁気抵抗素子を磁気式エンコーダの検出素
子とした用いたモータの一例を示す要部断面図、
第１０図は従来構造の磁気抵抗素子用ホルダーの
一例を示す斜視図、第１１図は同上従来構造のホ
ルダーの型成形時の状態を示すホルダー及び金型
の断面図、第１２図は従来構造によるホルダーの
別の例を示すホルダーの正面図である。
１……磁気抵抗素子、２……ホルダー、２ａ，
２ｂ……ねじ穴、２ｃ……ホルダーの取付底面、
３……リードフレーム、３ａ……リード端からな
る接触部、４……封止材、５……穴、６……基板
、７……着磁ロータ、８……ロータヨーク、９…
…ロータマグネツト、１０……金型。
FIG. 1 is an enlarged sectional view of the main parts of a motor to which a magnetoresistive element holder structured according to the present invention is attached;
FIG. 2 is a cross-sectional view of the holder and mold showing the state of the above magnetoresistive element holder during molding, and FIGS. 3 and 4 show different embodiments of the magnetoresistive element holder according to the present invention. A bottom view of the holder, Fig. 5 is a diagram showing how the lead frame is cut during characteristic testing of a magnetoresistive element, Fig. 6 is an explanatory diagram of the conventional characteristic testing method, and Fig. 7 is a diagram showing the magnetic structure of the structure according to the present invention. Fig. 8 is an explanatory diagram of the characteristic test method when using a holder for a resistive element, and Fig. 8 shows another embodiment of the holder structure according to the present invention, and Fig. 8a shows the state of the holder during molding of the holder and the mold. 9 is a cross-sectional view of the holder showing the structure after completion; FIG.
Fig. 10 is a perspective view showing an example of a holder for a magnetoresistive element with a conventional structure, Fig. 11 is a cross-sectional view of the holder and mold showing the state of the holder with the conventional structure as above during molding, and Fig. 12 is a conventional structure. It is a front view of the holder which shows another example of the holder according to. 1... Magnetoresistive element, 2... Holder, 2a,
2b...Screw hole, 2c...Bottom surface for mounting the holder,
3... Lead frame, 3a... Contact portion consisting of lead end, 4... Sealing material, 5... Hole, 6... Substrate, 7... Magnetized rotor, 8... Rotor yoke, 9...
...Rotor magnet, 10...Mold.
Claims (1)
素子を装着し、上記ホルダーに中間部を一体に内
設したリードフレームのリード端を上記ホルダー
より突出させ、上記リード端を接触部として該リ
ード端と上記磁気抵抗素子の端子部とを接続させ
て保持してなる磁気抵抗素子用ホルダー構造にお
いて、上記ホルダーに上記リードフレームの一部
が露出する穴を設けたことを特徴とする磁気抵抗
素子用ホルダー構造。 ２ リードフレームの中間部をホルダーの取付底
面と略平行に内設すると共に、上記リードフレー
ムの一部が露出する穴を上記ホルダーの取付底面
に設けたことを特徴とする請求項第１項記載の磁
気抵抗素子用ホルダー構造。 ３ ホルダーに内設されたリードフレームの中間
部の上記ホルダーに設けた穴に対応位置する部分
を上記ホルダーの取付底面より離間させたことを
特徴とする請求項第２項記載の磁気抵抗素子用ホ
ルダー構造。[Claims for Utility Model Registration] 1. A magnetic resistance element is attached to a holding portion of a holder made of an insulator, and the lead ends of a lead frame having an intermediate portion integrally placed inside the holder are made to protrude from the holder, A holder structure for a magnetoresistive element in which the lead end and a terminal part of the magnetoresistive element are connected and held with the end as a contact part, wherein the holder is provided with a hole through which a part of the lead frame is exposed. A holder structure for magnetoresistive elements featuring: 2. The holder according to claim 1, characterized in that an intermediate portion of the lead frame is disposed within the holder substantially parallel to the mounting bottom surface of the holder, and a hole through which a part of the lead frame is exposed is provided in the mounting bottom surface of the holder. Holder structure for magnetoresistive elements. 3. The magnetoresistive element according to claim 2, wherein a portion of a middle portion of the lead frame installed in the holder corresponding to the hole provided in the holder is spaced apart from a mounting bottom surface of the holder. Holder structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6629788U JPH0716973Y2 (en) | 1988-05-19 | 1988-05-19 | Holder structure for magnetoresistive element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6629788U JPH0716973Y2 (en) | 1988-05-19 | 1988-05-19 | Holder structure for magnetoresistive element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01168819U true JPH01168819U (en) | 1989-11-28 |
| JPH0716973Y2 JPH0716973Y2 (en) | 1995-04-19 |
Family
ID=31291704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6629788U Expired - Lifetime JPH0716973Y2 (en) | 1988-05-19 | 1988-05-19 | Holder structure for magnetoresistive element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716973Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651823U (en) * | 1992-12-16 | 1994-07-15 | 株式会社三協精機製作所 | Holder for holding magnetic sensor |
| JP2019105548A (en) * | 2017-12-13 | 2019-06-27 | アルプスアルパイン株式会社 | Current sensor |
-
1988
- 1988-05-19 JP JP6629788U patent/JPH0716973Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651823U (en) * | 1992-12-16 | 1994-07-15 | 株式会社三協精機製作所 | Holder for holding magnetic sensor |
| JP2019105548A (en) * | 2017-12-13 | 2019-06-27 | アルプスアルパイン株式会社 | Current sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716973Y2 (en) | 1995-04-19 |
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