JPH01289883A - Ferromagnetic adhesive - Google Patents
Ferromagnetic adhesiveInfo
- Publication number
- JPH01289883A JPH01289883A JP11870288A JP11870288A JPH01289883A JP H01289883 A JPH01289883 A JP H01289883A JP 11870288 A JP11870288 A JP 11870288A JP 11870288 A JP11870288 A JP 11870288A JP H01289883 A JPH01289883 A JP H01289883A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- magnetic
- ferromagnetic
- ferromagnetic powder
- pure
- 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
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 16
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910017082 Fe-Si Inorganic materials 0.000 claims abstract description 4
- 229910017133 Fe—Si Inorganic materials 0.000 claims abstract description 4
- 229910018125 Al-Si Inorganic materials 0.000 claims abstract 2
- 229910018520 Al—Si Inorganic materials 0.000 claims abstract 2
- 229910003271 Ni-Fe Inorganic materials 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 abstract description 20
- 229910020598 Co Fe Inorganic materials 0.000 abstract 1
- 229910002519 Co-Fe Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は接着剤に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to adhesives.
従来、電子機器や電子部品の接着には、エポキシ樹脂や
フェノール樹脂などの非磁性の接着剤が使用されていた
。Conventionally, non-magnetic adhesives such as epoxy resins and phenolic resins have been used to bond electronic devices and components.
通常のグラスチック−プラスチック間の接着や金属−金
属間の接着であれば、従来の接着剤で特に問題はなかっ
た。There were no particular problems with conventional adhesives for ordinary glass-to-plastic adhesion or metal-to-metal adhesion.
しかしながら、永久磁石とヨークなどの磁気回路を組ん
でいる電子機器・電子部品の接着の場合、非磁性接着剤
の使用は、接着剤部品における磁束の漏洩、そしてその
磁気損失に起因するモーターなどの電子部品の性能の低
下を生じさせるなどの問題点を有している。特に多極着
磁されたラジアル異方性磁石や極めて薄い磁石を使用す
る場合、この接着による磁気回路上での磁気損失が大き
な問題になっている。However, when bonding electronic devices and electronic components that have magnetic circuits, such as permanent magnets and yokes, the use of non-magnetic adhesives is difficult due to leakage of magnetic flux in the adhesive components and magnetic loss caused by motors, etc. This has problems such as deterioration in the performance of electronic components. In particular, when using multi-pole magnetized radial anisotropic magnets or extremely thin magnets, magnetic loss on the magnetic circuit due to this adhesion is a major problem.
本発明はこのような問題点を解決するもので、その目的
とするところは接着剤に強磁性粉末を添加することによ
り、接着剤に強磁性を持たせ磁気回路上に存在する接着
部での磁気漏洩を防止し、モーターなどの電子機器・電
子部品の性能を向上させることにある。The present invention is intended to solve these problems, and its purpose is to make the adhesive ferromagnetic by adding ferromagnetic powder to the adhesive, so that it can be used at the bonded parts on the magnetic circuit. The purpose is to prevent magnetic leakage and improve the performance of electronic devices and components such as motors.
本発明の強磁性接着剤は、接着剤中に強磁性粉末として
純Ｆｅ、Ｆｅ−Ｓｉ、Ｆｅ−Ａｌ、Ｆｅ−ＡＩ−Ｓｉ、
Ｎｉ−Ｆｅ系またはＣｏ−Ｆｅ系のいずれかの粉末を添
加することを特徴とする。The ferromagnetic adhesive of the present invention includes pure Fe, Fe-Si, Fe-Al, Fe-AI-Si,
It is characterized by adding either Ni-Fe-based or Co--Fe-based powder.
φ２０．ＯＸφ１８．４ＸＬ３．０ （關）のラジアル
異方性磁石をφ１８．３Ｘφ１５．３ＸＬ３、Ｏ（ｎｍ
）の純鉄からなるヨークに接着後、２４極の多極着磁を
行った。φ20. The radial anisotropic magnet of OXφ18.4XL3.0 (related) is φ18.3Xφ15.3XL3,
) After adhering to a yoke made of pure iron, multipole magnetization with 24 poles was performed.
このとき使用した強磁性接着剤中の強磁性粉末の組成及
び、＠磁後の磁石の表面磁束密度を表−１に示す。Table 1 shows the composition of the ferromagnetic powder in the ferromagnetic adhesive used at this time and the surface magnetic flux density of the magnet after magnetization.
このうち試料番号１．５及び６は水アトマイズ法で池の
２．３．４についてはアルゴンガスを使用したガスアト
マイズ法で作成した。得られた強磁性粉末の平均粒径は
８〜１０（μｍ）、強磁性粉末の添加量は７０（体積％
）であり、使用したエポキシ樹脂でエピコート８０８（
シェル社製）とアミン系硬化材の組み合わせからなる。Among these, sample numbers 1.5 and 6 were prepared by the water atomization method, and sample numbers 2.3.4 were prepared by the gas atomization method using argon gas. The average particle size of the obtained ferromagnetic powder was 8 to 10 (μm), and the amount of ferromagnetic powder added was 70 (volume %).
), and the epoxy resin used was Epicoat 808 (
(manufactured by Shell) and an amine hardening agent.
接着後、着磁機により２４極のパルス着磁を行った０着
磁条件は１５００ （Ｖ）、１０００ （μＦ）ｔ？−
Ｉ’電流は１３５００ （Ａ）である。After bonding, 24-pole pulse magnetization was performed using a magnetizer under zero magnetization conditions of 1500 (V), 1000 (μF) t? −
The I' current is 13500 (A).
表−１
使用した磁石の材質は、Ｓｍ−Ｃｏ系樹脂結合型磁石Ｓ
ＡＭ−１５Ｒ（セイコーエプソン社製）、磁気特性は、
残留磁束密度（Ｂｒ）；８．１ （ｋＧ＞、Ｉ磁力（ｂ
Ｈｃ）；６．４ （ｋｏｅ）、Ｅｔ大エネルギー積（（
ＢＨ）ｍａｘ）； １４．９（ＭＧＯｅ）である、また
、表面磁束密度の測定はホール素子を用いて行っな。Table-1 The material of the magnet used is Sm-Co resin bonded magnet S.
AM-15R (manufactured by Seiko Epson), magnetic properties are as follows:
Residual magnetic flux density (Br): 8.1 (kG>, I magnetic force (b
Hc); 6.4 (koe), Et large energy product ((
BH) max); 14.9 (MGOe), and the surface magnetic flux density was measured using a Hall element.
表−１より本発明の強磁性接着剤を使用する事により磁
気漏洩が減少し、表面磁束密度が増加することは明らか
である。It is clear from Table 1 that magnetic leakage is reduced and surface magnetic flux density is increased by using the ferromagnetic adhesive of the present invention.
以上述べたように本発明によれ′ｃｆ、接着剤１中６二
強磁性粉末トして純Ｆｅ、Ｆｅ−Ｓｉ、Ｆｅ−Ａｌ、Ｆ
ｅ−Ａｌ−３Ｓ、Ｎｉ−Ｆｅ系そしてＣ。As described above, according to the present invention, pure Fe, Fe-Si, Fe-Al, F
e-Al-3S, Ni-Fe system and C.
−Ｆｅ系粉末を添加して強磁性を付与することにより、
磁気回路を岨み電子部品等の接着におり１て磁気漏洩を
減少させ、該電子部品の性能を向上させる効果がある。-By adding ferromagnetism by adding Fe-based powder,
It has the effect of reducing magnetic leakage by adhering electronic components, etc. to magnetic circuits, and improving the performance of the electronic components.
以上 出願人 セイコーエプソン株式会社that's all Applicant: Seiko Epson Corporation
Claims (1)
−Ａｌ、Ｆｅ−Ａｌ−Ｓｉ、Ｎｉ−Ｆｅ系またはＣｏ−
Ｆｅ系のいずれかの粉末を添加することを特徴とする強
磁性接着剤。Pure Fe, Fe-Si, Fe as ferromagnetic powder in adhesive
-Al, Fe-Al-Si, Ni-Fe or Co-
A ferromagnetic adhesive characterized by adding any Fe-based powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11870288A JPH01289883A (en) | 1988-05-16 | 1988-05-16 | Ferromagnetic adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11870288A JPH01289883A (en) | 1988-05-16 | 1988-05-16 | Ferromagnetic adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01289883A true JPH01289883A (en) | 1989-11-21 |
Family
ID=14743025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11870288A Pending JPH01289883A (en) | 1988-05-16 | 1988-05-16 | Ferromagnetic adhesive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01289883A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10487244B2 (en) | 2014-10-15 | 2019-11-26 | Toagosei Co., Ltd. | 2-cyanoacrylate composition having magnetism |
| JPWO2021065431A1 (en) * | 2019-09-30 | 2021-04-08 | ||
| KR20210119324A (en) | 2020-03-24 | 2021-10-05 | 아지노모토 가부시키가이샤 | Resin composition |
-
1988
- 1988-05-16 JP JP11870288A patent/JPH01289883A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10487244B2 (en) | 2014-10-15 | 2019-11-26 | Toagosei Co., Ltd. | 2-cyanoacrylate composition having magnetism |
| JPWO2021065431A1 (en) * | 2019-09-30 | 2021-04-08 | ||
| WO2021065431A1 (en) * | 2019-09-30 | 2021-04-08 | 富士フイルム株式会社 | Adhesive sheet and electronic component |
| KR20210119324A (en) | 2020-03-24 | 2021-10-05 | 아지노모토 가부시키가이샤 | Resin composition |
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