JPS62268110A - Inductor - Google Patents
InductorInfo
- Publication number
- JPS62268110A JPS62268110A JP61111445A JP11144586A JPS62268110A JP S62268110 A JPS62268110 A JP S62268110A JP 61111445 A JP61111445 A JP 61111445A JP 11144586 A JP11144586 A JP 11144586A JP S62268110 A JPS62268110 A JP S62268110A
- Authority
- JP
- Japan
- Prior art keywords
- amorphous ferromagnetic
- inductor
- wound
- thin strip
- 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
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 3
- 239000000956 alloy Substances 0.000 claims abstract description 3
- 229910052735 hafnium Inorganic materials 0.000 claims abstract 2
- 229910052719 titanium Inorganic materials 0.000 claims abstract 2
- 229910052726 zirconium Inorganic materials 0.000 claims abstract 2
- 230000005291 magnetic effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 229910052763 palladium Inorganic materials 0.000 claims 1
- 229910052702 rhenium Inorganic materials 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process 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ＴＶ、ラジオ、トランシーバ等の民生機器、航
空機、自動車機器、スイッチング電源のフィルタ等に用
いられる実装が容易で温度特性、高周波特性に優れたイ
ンダクターに関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention is used in consumer equipment such as TVs, radios, transceivers, aircraft, automobile equipment, switching power supply filters, etc. It is easy to implement and has excellent temperature characteristics and high frequency characteristics. It is about superior inductors.
従来小形の固定インダクターとしては主にフェライト磁
心を用いたものが使用されでいた。フェライト磁心は電
気抵抗が大きいため周波数特性の良好なインダクターを
作製できるが、インダクタンスが低く温度特性が悪い等
の欠点を有している６近年アモルファス磁性材料が高周
波磁気特性に優れるため注目を集め、各種インダクタン
ス部品に使用され始めている。Conventionally, small fixed inductors mainly use ferrite magnetic cores. Ferrite magnetic cores have high electrical resistance, so inductors with good frequency characteristics can be manufactured, but they have drawbacks such as low inductance and poor temperature characteristics.6 In recent years, amorphous magnetic materials have attracted attention because of their excellent high-frequency magnetic characteristics. It is beginning to be used in various inductance parts.
しかし、これらのアモルファス磁性材料を用いたインダ
クタンス部品はほとんどがトロイダル形状で使用され、
巻線が自動巻線しにくい欠点があり、特に小型の形状の
ものほど巻線がしにくい傾向がみられる。このため巻線
を手巻きで行なう必要がありコスト高となる欠点を有す
る。また基板等への実装もやりにくい。However, most inductance parts using these amorphous magnetic materials are used in a toroidal shape,
The disadvantage is that it is difficult to automatically wind the wire, and in particular, the smaller the shape, the more difficult it is to wind the wire. For this reason, it is necessary to wind the wire by hand, which has the disadvantage of increasing costs. It is also difficult to mount it on a board or the like.
一方フエライト磁心を用いたインダクターの場合は前述
した様に温度特性が悪くインダクタンスが小さい欠点が
ある。On the other hand, inductors using ferrite magnetic cores have the disadvantage of poor temperature characteristics and small inductance, as described above.
本発明の目的は、実装が容易で、インダクタンスが大き
く温度特性、高周波特性に優れたインダクターを提供す
ることである。An object of the present invention is to provide an inductor that is easy to mount, has a large inductance, and has excellent temperature characteristics and high frequency characteristics.
本発明は、導線のまわりにアモルファス強磁性薄帯をト
ロイダル状に巻いて配置し、導線と巻いたアモルファス
強磁性薄帯の相対位置が変化しないように固定されてい
ることを特徴とするインダクターである。The present invention is an inductor characterized in that an amorphous ferromagnetic ribbon is wound around a conductor wire in a toroidal shape and fixed so that the relative position of the conductor wire and the wound amorphous ferromagnetic ribbon does not change. be.
本発明においてアモルファス強磁性薄帯は導線のまわり
に巻きつけられる。更に導線と巻いたアモルファス強磁
性薄帯の相対の位置は変化しないよう固定される。この
ため巻線を行なう必要がなく工程が簡略化されるだけで
なく、抵抗などと同様にプリント基板に簡単に取つける
ことができる。In the present invention, an amorphous ferromagnetic ribbon is wrapped around a conducting wire. Further, the relative positions of the conducting wire and the wound amorphous ferromagnetic ribbon are fixed so as not to change. Therefore, there is no need to wind the wire, which simplifies the process, and it can also be easily attached to a printed circuit board in the same way as a resistor.
更に従来のフェライト磁心を用いたインダクターより温
度特性に優れたインダクターを得ることができる。Furthermore, an inductor with better temperature characteristics than conventional inductors using ferrite cores can be obtained.
用いるアモルファス強磁性薄帯は組成式％式％
ばれる少なくとも１種であり
０≦ａ≦１，０≦ｂ≦０．５．０≦Ｘ≦８゜０≦Ｙ≦１
８．５≦Ｚ≦３０．１５≦Ｙ＋Ｚ≦３０の関係を有する
合金を用いた場合、特に高周波特性に優れたインダクタ
ーを得ることができ好ましい。The amorphous ferromagnetic ribbon to be used is at least one type having the composition formula % 0≦a≦1, 0≦b≦0.5.0≦X≦8゜0≦Y≦1
It is preferable to use an alloy having the relationship 8.5≦Z≦30.15≦Y+Z≦30 because an inductor with particularly excellent high frequency characteristics can be obtained.
アモルファス強磁性薄帯を巻いた後、周囲をコーティン
グすることにより、耐衝撃性等に優れたインダクターと
なる。After winding an amorphous ferromagnetic ribbon, the surrounding area is coated to create an inductor with excellent impact resistance.
また非磁性高電気抵抗の物質、たとえばセラミックス等
にアモルファス強磁性薄帯を巻きその中心に導線を通し
た構造の場合、アモルファスと導線の絶縁がとりやすく
、巻線を抜いた状態で熱処理がしやすいため好ましい。In addition, in the case of a structure in which an amorphous ferromagnetic ribbon is wrapped around a non-magnetic material with high electrical resistance, such as ceramics, and a conductor is passed through the center, it is easy to insulate the amorphous material and the conductor, and heat treatment can be performed with the wire unwound. This is preferred because it is easy.
またこの場合アモルファスをトロイダル状に巻くことも
より容易となる。In this case, it is also easier to wind the amorphous material into a toroidal shape.
アモルファスと導線の相対位置が変化しないようにする
ためには、たとえばエポキシ系樹脂で固定する等の方法
が適用できる。In order to prevent the relative position of the amorphous material and the conducting wire from changing, a method such as fixing with epoxy resin can be applied.
以下本発明を実施例に基づいて説明する。 The present invention will be explained below based on examples.
実施例１
第１図は本発明によるインダクターの構造の概略の例を
示した図である。Embodiment 1 FIG. 1 is a diagram showing a schematic example of the structure of an inductor according to the present invention.
ｆａｎ、 （ｂ）はコーティングを行なわない場合、（
Ｃ）。fan, (b) is when no coating is applied, (
C).
（ｄ）はコーティングを行なった場合の説明図である。(d) is an explanatory diagram when coating is performed.
図中Ａはアモルファス薄帯、Ｂは非磁性高電気抵抗の物
質、Ｃは導線である。Ｄはコーティング層を示しており
内部のアモルファス薄帯を被覆している。In the figure, A is an amorphous ribbon, B is a non-magnetic high electrical resistance material, and C is a conductive wire. D indicates a coating layer that covers the internal amorphous ribbon.
アモルファス薄帯と導線の相対位置は変化しないように
たとえはエポキシ樹脂フェス等で固定される。The relative positions of the amorphous ribbon and the conductive wire are fixed, for example, with an epoxy resin face or the like, so that the relative positions do not change.
本発明のインダクターの構造は抵抗やコンデンサー等と
類似しており巻線を行なう必要ないため実装が容易であ
るばかりでなく製造コストも著しく低減できる。The structure of the inductor of the present invention is similar to that of a resistor, a capacitor, etc., and there is no need for winding, so it is not only easy to implement, but also can significantly reduce manufacturing costs.
実施例２
板厚１２．１７１１＋、幅１０鶴のＣＯ＆？、 ５Ｆｅ
４．５Ｍ０４Ｓｉ＋ｓＢｑアモルファス薄帯を単ロール
法により作製し、内径０．７５１１１外径２龍長さ１０
．５ ｍｍのアルミナの筒に外径が５１１１１になるま
で巻きつけ窒素ガス雰囲気中４３０℃で１時間熱処理し
水冷した。つぎに線径０．７龍長さ５０ｍｍのスズメッ
キ銅線に通しエポキシ樹脂で固定し、エポキシ樹脂でア
モルファスの部分をコーティングし本発明のインダクタ
ーを作製した。作製したインダクターの１０ｋＨｚにお
けるインダクタンスの温度特性例をフェライトを用いた
従来のインダクターと比較して示す。Example 2 CO&? plate thickness 12.1711+, width 10 cranes. , 5Fe
A 4.5M04Si+sBq amorphous ribbon was produced by a single roll method, with an inner diameter of 0.75111, an outer diameter of 2, and a length of 10.
．． It was wound around a 5 mm alumina tube until the outer diameter was 51111 mm, heat-treated at 430° C. for 1 hour in a nitrogen gas atmosphere, and cooled with water. Next, a tin-plated copper wire with a wire diameter of 0.7 and a length of 50 mm was passed through and fixed with epoxy resin, and the amorphous portion was coated with epoxy resin to produce an inductor of the present invention. An example of the temperature characteristics of the inductance at 10 kHz of the manufactured inductor is shown in comparison with a conventional inductor using ferrite.
本発明によるインダクタは従来のフェライトのインダク
タよりインダクタンスＬの変化率ΔＬ／Ｌが著しく小さ
く温度特性の点で優れている。The inductor according to the present invention has a significantly smaller rate of change in inductance L, ΔL/L, than conventional ferrite inductors, and is superior in terms of temperature characteristics.
実施例３
板厚１５μｍ幅１５酊の各種組成のアモルファス薄帯を
単ロール法により作製し、長さ６０富璽、直径１璽■の
ガラス被覆銅線に巻きつけ外径５１璽とした。次に窒素
ガス雲囲気中で熱処理し水冷した後エポキシ樹脂でアモ
ルファスの部分の固定およびコーティングを行なった。Example 3 Amorphous ribbons of various compositions with a thickness of 15 μm and a width of 15 μm were produced by a single roll method and wound around a glass-coated copper wire of 60 mm length and 1 mm diameter to give an outer diameter of 51 mm. Next, after heat treatment in a nitrogen gas cloud and cooling with water, the amorphous portion was fixed and coated with epoxy resin.
作製したインダクターの１０ｋＨｚにおけるインダクタ
ンスを測定し第１表に示す。比較のため従来のフェライ
トのインダクターのインダクタンスも示す。The inductance of the manufactured inductor at 10 kHz was measured and shown in Table 1. For comparison, the inductance of a conventional ferrite inductor is also shown.
第 １ 表
表かられかるように本発明のインダクターは従来のフェ
ライトを用いた類似構造のインダクターよりインダクタ
ンスを著しく大きくできかつ、直流重畳特性も良好であ
るため、部品の小型化も行なえる。As can be seen from Table 1, the inductor of the present invention can have a significantly larger inductance than the conventional inductor of a similar structure using ferrite, and also has good DC superimposition characteristics, so that the components can be made smaller.
本発明によれば、従来不充分であった小形のインダクタ
ーの温度特性、高周波特性を改善でき、かつ回路基板等
への実装が容易なインダクターを提供できるためその効
果は著しいものがある。According to the present invention, it is possible to improve the temperature characteristics and high frequency characteristics of a small inductor, which have been insufficient in the past, and to provide an inductor that can be easily mounted on a circuit board, etc., so the effects are significant.
第１図は本発明に係るインダクーの構造の概略の例を示
した図、第２図は本発明に係るインダクターと従来のフ
ェライトを用いたインダクターのインダクタンスの温度
特性例を示した図である。
第１図
（Ｃ）（ｄ）
第２図
５「
温度（−〇）FIG. 1 is a diagram showing an example of a schematic structure of an inductor according to the present invention, and FIG. 2 is a diagram showing an example of temperature characteristics of inductance of an inductor according to the present invention and a conventional inductor using ferrite. Figure 1 (C) (d) Figure 2 5 "Temperature (-〇)
Claims (4)
ダル状に巻いて配置し、導線と巻いたアモルファス強磁
性薄帯の相対位置が変化しないように固定されているこ
とを特徴とするインダクター。(1) An inductor characterized in that an amorphous ferromagnetic ribbon is wound toroidally around a conducting wire and fixed so that the relative position of the conducting wire and the wound amorphous ferromagnetic ribbon does not change.
０＿０＿−＿Ｘ＿−＿Ｙ＿−＿Ｚであらわされ、ここで
ＭはＴｉ、Ｚｒ、Ｈｆ、Ｖ、Ｎｂ、Ｔａ、Ｃｒ、Ｍｏ、
Ｗ、Ｍｎ、Ｒｕ、Ｒｈ、Ｐｄ、Ｃｕ、Ａｇ、Ａｕ、Ｒｅ
、Ｙから選ばれる少なくとも１種であり ０≦ａ≦１、０≦ｂ≦０．５、０≦Ｘ≦８、０≦Ｙ≦１
８、５≦Ｚ≦３０、１５≦Ｙ＋Ｚ≦３０の関係を有する
アモルファス強磁性合金からなることを特徴とする特許
請求の範囲第１項に記載のインダクター。(2) Composition formula (Fe_1_-_a_-_bCo_2Ni_b)_1_
It is expressed as 0_0_-_X_-_Y_-_Z, where M is Ti, Zr, Hf, V, Nb, Ta, Cr, Mo,
W, Mn, Ru, Rh, Pd, Cu, Ag, Au, Re
, Y, and 0≦a≦1, 0≦b≦0.5, 0≦X≦8, 0≦Y≦1
The inductor according to claim 1, wherein the inductor is made of an amorphous ferromagnetic alloy having the following relationships: 8, 5≦Z≦30, and 15≦Y+Z≦30.
たアモルファス強磁性薄帯の周囲がコーティングされて
いることを特徴とする特許請求の範囲第１項又は第２項
に記載のインダクター。(3) The inductor according to claim 1 or 2, characterized in that the periphery of an amorphous ferromagnetic ribbon wound in a toroidal manner around a conducting wire is coated.
れ、更にそのまわりにアモルファス強磁性薄帯がトロイ
ダル状に巻かれて配置されていることを特徴とする特許
請求の範囲第１項乃至第３項のいずれかの項に記載のイ
ンダクター。(4) Claim 1, characterized in that a non-magnetic high electrical resistance material is arranged around the conductive wire, and an amorphous ferromagnetic ribbon is further arranged around it in a toroidal manner. The inductor according to any one of items 3 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61111445A JPH06101412B2 (en) | 1986-05-15 | 1986-05-15 | Inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61111445A JPH06101412B2 (en) | 1986-05-15 | 1986-05-15 | Inductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62268110A true JPS62268110A (en) | 1987-11-20 |
| JPH06101412B2 JPH06101412B2 (en) | 1994-12-12 |
Family
ID=14561381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61111445A Expired - Lifetime JPH06101412B2 (en) | 1986-05-15 | 1986-05-15 | Inductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06101412B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6481209A (en) * | 1987-09-22 | 1989-03-27 | Toshiba Corp | Inductance element |
| JPH01207914A (en) * | 1988-02-16 | 1989-08-21 | Takaoka Electric Mfg Co Ltd | Reactance element |
| JPH0855736A (en) * | 1995-08-21 | 1996-02-27 | Toshiba Corp | Magnetic core for high frequency |
-
1986
- 1986-05-15 JP JP61111445A patent/JPH06101412B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6481209A (en) * | 1987-09-22 | 1989-03-27 | Toshiba Corp | Inductance element |
| JPH01207914A (en) * | 1988-02-16 | 1989-08-21 | Takaoka Electric Mfg Co Ltd | Reactance element |
| JPH0855736A (en) * | 1995-08-21 | 1996-02-27 | Toshiba Corp | Magnetic core for high frequency |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06101412B2 (en) | 1994-12-12 |
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