JPH0512994Y2 - - Google Patents
Info
- Publication number
- JPH0512994Y2 JPH0512994Y2 JP1981162467U JP16246781U JPH0512994Y2 JP H0512994 Y2 JPH0512994 Y2 JP H0512994Y2 JP 1981162467 U JP1981162467 U JP 1981162467U JP 16246781 U JP16246781 U JP 16246781U JP H0512994 Y2 JPH0512994 Y2 JP H0512994Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic core
- press
- type
- acicular
- 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.)
- Expired - Lifetime
Links
- 239000000696 magnetic material Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Description
【考案の詳細な説明】
この考案は、透磁率が大きく、しかも高周波領
域における損失の少ない高性能なインダクタンス
素子或いは高周波トランス等に用いる磁芯に関す
るものである。[Detailed Description of the Invention] This invention relates to a magnetic core that has high magnetic permeability and low loss in the high frequency range and is used in high performance inductance elements or high frequency transformers.
従来、Ｅ形、ポツト形等の磁芯はミクロン単位
の球形のカーボニル鉄粉にプラスチツク、ビニー
ル、アクリル等の熱硬化性樹脂からなる非磁性材
の結合材を所定量混合して、プレス成形してい
た。 Conventionally, magnetic cores such as E-shaped and pot-shaped cores are made by mixing micron-sized spherical carbonyl iron powder with a predetermined amount of a non-magnetic binder made of thermosetting resin such as plastic, vinyl, or acrylic, and then press-molding the mixture. was.
しかしながら、従来の磁芯は大きな形状のも
の、任意の形状のものが容易に成形できると共
に、温度と対比してインダクタンスの変化の調整
に使用可能であるという長所がある反面、大きな
インダクタンスがとれず、又、小型化が不可能で
あるという欠点があつた。 However, while conventional magnetic cores have the advantage that they can be easily molded into large or arbitrary shapes and can be used to adjust changes in inductance relative to temperature, they do not have a large inductance. Another disadvantage was that miniaturization was impossible.
この考案は上述した従来例の欠点を解消するた
めになされたものであり、高周波用のインダクタ
ンス素子、高周波トランス等に用いるＥ形、EI
形及びポツト形等の磁芯を、針状の非晶質磁性材
と所定の結合材との混合材で、非晶質磁性材の針
状方向が磁芯の磁路方向と略一致するよう配列し
てプレス成形し、透磁率が大きく、高周波特性の
すぐれた磁芯を提供するものである。 This idea was made in order to eliminate the drawbacks of the conventional examples mentioned above, and it is suitable for E type and EI type used in high frequency inductance elements, high frequency transformers, etc.
A magnetic core of shape or pot shape is made of a mixture of an acicular amorphous magnetic material and a predetermined bonding material so that the acicular direction of the amorphous magnetic material substantially matches the magnetic path direction of the magnetic core. The magnetic cores are arranged and press-molded to provide a magnetic core with high magnetic permeability and excellent high frequency characteristics.
以下、この考案による実施例を添付した図面に
もとづいて詳細に説明する。 Hereinafter, embodiments of this invention will be described in detail with reference to the accompanying drawings.
第１図はこの考案による磁芯を構成する代表的
なポツト形磁芯１であり、第２図はそのＡ−
A′線縦断面図である。 Fig. 1 shows a typical pot-shaped magnetic core 1 constituting the magnetic core according to this invention, and Fig. 2 shows its A-
It is a longitudinal cross-sectional view taken along line A'.
上記ポツト形磁芯１は針状の非晶質磁性材微粉
末を熱可塑性樹脂又は熱硬化性樹脂等の結合材と
混合して金型によりプレス成形される。この時、
針状の非晶質磁性材微粉末は、その針状方向が磁
芯の磁路方向と略一致するよう配列してプレス成
形する。これはプレス成型する際に磁場をかける
（磁場中成形する）とＥ形、ポツト形等の磁芯に
おける磁芯の部分、形状（磁路）の長さ方向に針
状の微粉末を整列するように形成できる。 The pot-shaped magnetic core 1 is formed by mixing acicular fine powder of amorphous magnetic material with a binder such as a thermoplastic resin or a thermosetting resin, and press-molding the mixture using a mold. At this time,
The acicular amorphous magnetic material fine powder is arranged and press-molded so that the acicular direction substantially coincides with the magnetic path direction of the magnetic core. This is because when a magnetic field is applied during press molding (forming in a magnetic field), needle-shaped fine powder is aligned in the length direction of the magnetic core part and shape (magnetic path) of E-shaped, pot-shaped, etc. It can be formed as follows.
上記針状の非晶質磁性材微粉末は、鉄、コバル
ト、ニツケルの少なくとも１成分からなる遷移金
属成分と、ケイ素、ホウ素、リン、炭素の少なく
とも１成分からなる半金属成分との合金溶湯を急
冷して非晶化したアモルフアス磁性材を針状の微
粉末化したものであり、上記アモルフアス磁性材
は透磁率が大きく、電気抵抗が大であり、硬度が
高く耐摩耗性が良好である。 The above-mentioned acicular amorphous magnetic material fine powder is made of a molten alloy of a transition metal component consisting of at least one component of iron, cobalt, and nickel, and a semimetal component consisting of at least one component of silicon, boron, phosphorus, and carbon. It is made by pulverizing an amorphous amorphous magnetic material that has been rapidly cooled and amorphized into needle-like powder, and the amorphous magnetic material has high magnetic permeability, high electrical resistance, high hardness, and good wear resistance.
従つて、本考案は、アモルフアス磁性材の針状
の微粉末を、その針状方向が磁芯の磁路方向と略
一致するよう配列して結合材と混合してプレス成
形した磁芯であるため、従来の球形のカーボニル
鉄粉に結合材を混合してプレス成形したものに比
べ、小型で、高性能な磁芯となる。また、この考
案による磁芯は、非晶質化した針状のアモルフア
ス磁性材微粉末と所定の結合材とを混合してプレ
ス成形したものであり、使用温度に際して温度が
上昇してもインダクタンスが殆んど変化せず、望
ましいインダクタンスが得られる。これは、従来
例のフエライト磁芯では温度係数が正であるが、
この考案による磁芯では温度係数が零か、わずか
に負の温度特性を示すためである。 Therefore, the present invention is a magnetic core in which acicular fine powder of amorphous magnetic material is arranged so that the acicular direction substantially coincides with the magnetic path direction of the magnetic core, mixed with a binder, and press-molded. This results in a smaller, higher-performance magnetic core than conventional press-molded spherical carbonyl iron powder mixed with a binder. In addition, the magnetic core according to this invention is press-molded by mixing needle-shaped amorphous magnetic material fine powder and a predetermined binder, and the inductance remains constant even when the temperature rises during use. The desired inductance can be obtained with almost no change. This is because the conventional ferrite core has a positive temperature coefficient, but
This is because the magnetic core according to this invention has a temperature coefficient of zero or exhibits slightly negative temperature characteristics.
又、非晶質化したアモルフアス磁性材の特性に
より透磁率が大きく、高周波領域における損失が
少ないのでチヨークコイル、高周波トランス等に
好適である。 Further, due to the characteristics of the amorphous magnetic material, it has high magnetic permeability and low loss in the high frequency range, making it suitable for use in chiyoke coils, high frequency transformers, and the like.
さらに、金型によるプレス成形が容易であり、
小型化が可能であるから従来例に比して安価にで
きる等実用上極めて顕著な効果を奏する。 Furthermore, it is easy to press mold with a mold,
Since it can be made smaller, it can be made cheaper than the conventional example, and has extremely significant practical effects.
第１図はこの考案による一実施例を示すポツト
形磁芯の斜視図、第２図は第１図のＡ−A′線縦
断面図である。
１……磁芯。
FIG. 1 is a perspective view of a pot-shaped magnetic core showing an embodiment of this invention, and FIG. 2 is a longitudinal sectional view taken along the line A-A' in FIG. 1...Magnetic core.
Claims (1)
鉄、コバルト、ニツケルの少なくとも１成分から
なる遷移金属成分と、ケイ素、ホウ素、リン、炭
素の少なくとも１成分からなる半金属成分との合
金溶湯を急冷して非晶化したアモルフアス磁性材
の針状の微粉末を、その針状方向が磁芯の磁路方
向と略一致するよう配列して熱可塑性樹脂又は熱
硬化性樹脂の合成樹脂からなる結合材と混合して
プレス成形したことを特徴とする磁芯。 For magnetic cores such as E type, EI type and pot type,
A needle-shaped amorphous magnetic material made by rapidly cooling a molten alloy of a transition metal component consisting of at least one of iron, cobalt, and nickel and a semimetal component consisting of at least one of silicon, boron, phosphorus, and carbon. The fine powder is arranged so that its acicular direction substantially coincides with the magnetic path direction of the magnetic core, mixed with a binder made of a thermoplastic resin or a thermosetting resin, and press-molded. magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16246781U JPS5868012U (en) | 1981-10-30 | 1981-10-30 | magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16246781U JPS5868012U (en) | 1981-10-30 | 1981-10-30 | magnetic core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5868012U JPS5868012U (en) | 1983-05-09 |
| JPH0512994Y2 true JPH0512994Y2 (en) | 1993-04-06 |
Family
ID=29954779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16246781U Granted JPS5868012U (en) | 1981-10-30 | 1981-10-30 | magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5868012U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5054445B2 (en) * | 2007-06-26 | 2012-10-24 | スミダコーポレーション株式会社 | Coil parts |
| JP6486614B2 (en) * | 2014-06-05 | 2019-03-20 | 国立大学法人信州大学 | Inductor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55133507A (en) * | 1979-04-04 | 1980-10-17 | Hitachi Metals Ltd | Metallic magnetic material |
-
1981
- 1981-10-30 JP JP16246781U patent/JPS5868012U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55133507A (en) * | 1979-04-04 | 1980-10-17 | Hitachi Metals Ltd | Metallic magnetic material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5868012U (en) | 1983-05-09 |
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