JPH05182855A - Manufacture of choke coil - Google Patents

Abstract

PURPOSE:To simply manufacture a large number of choke coils by winding a lead covered with metals for electrodes spaced at a predetermined interval on the outer periphery of a core, and then cutting the core and the lead at positions covered with the metals for the electrodes. CONSTITUTION:A long lead 16 having a plurality of lengths of leads 13 of chock coils 11 and provided with solders 17 for electrodes at parts corresponding to both ends of one lead 13 is wound on an outer periphery of a long core 15 having a plurality of lengths of cores 12 of the coils 11. Thereafter, it is cut to the respective ones. Thus, a large number of the coils can be simply manufactured as compared with prior example of winding leads one by one on the outer peripheries of cores.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、混成集積回路に実装す
るのに好適な高周波用等のチョークコイルの製造方法に
係り、特に量産化を図ったチョークコイルの製造方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high frequency choke coil manufacturing method suitable for mounting on a hybrid integrated circuit, and more particularly to a mass production choke coil manufacturing method.

【０００２】[0002]

【従来の技術】一般に、この種の高周波用チョークコイ
ルの一例としては図２（Ａ）に示すものがある。これは
円柱状のコア１の外周に、導線２を所要回数巻き付け、
しかる後に、導線２の両端部を若干外方へ引き出し、あ
るいは引き出さずに、そのまま両端部に半田を付けて一
対の電極３ａ，３ｂを形成している。2. Description of the Related Art Generally, an example of this type of high frequency choke coil is shown in FIG. This is to wind the conducting wire 2 around the outer circumference of the cylindrical core 1 a required number of times,
After that, both ends of the conductive wire 2 are drawn out slightly outward, or the two ends are directly soldered to form a pair of electrodes 3a, 3b.

【０００３】そして、この高周波用チョークコイルの従
来の製造方法は図２（Ｂ），（Ｃ）に示すように、ま
ず、１個分の長さのコア１の外周に、１個分の長さの導
線２を巻き付ける。しかる後に、この導線２の一対の両
端部に半田を付けて一対の電極３ａ，３ｂを形成してい
る。As shown in FIGS. 2 (B) and 2 (C), the conventional manufacturing method of this high frequency choke coil is as follows. Wrap the Sano conductor 2. Then, the pair of electrodes 3a and 3b are formed by soldering the pair of both ends of the conductive wire 2.

【０００４】[0004]

【発明が解決しようとする課題】しかしながら、このよ
うな従来のチョークコイルの製造方法では、１個分の長
さのコア１の外周に、１個分の長さの導線２を１個１個
巻き付けて、導線２の両端部に電極用の半田を１個１個
付けるので、工程数が多く、量産に適さないという課題
がある。However, in such a conventional choke coil manufacturing method, one conductor wire 2 having a length of one is provided around the outer periphery of the core 1 having a length of one. Since the electrodes are soldered and the electrode solder is attached to both ends of the conductive wire 2 one by one, there is a problem that the number of steps is large and the method is not suitable for mass production.

【０００５】そこで本発明はこのような事情を考慮して
なされたもので、その目的は簡単に量産化できるチョー
クコイルの製造方法を提供することにある。Therefore, the present invention has been made in view of such circumstances, and an object thereof is to provide a method of manufacturing a choke coil which can be easily mass-produced.

【０００６】[0006]

【課題を解決するための手段】本発明は前記課題を解決
するために次のように構成される。The present invention is configured as follows in order to solve the above-mentioned problems.

【０００７】つまり本発明は、コアの外周に、所定の間
隔で離間した電極用金属が被着された導線を巻回させ、
しかる後に、前記電極用金属が被着された箇所で前記コ
アおよび導線を切断することを特徴とする。That is, according to the present invention, a conductive wire coated with metal for an electrode, which is separated at a predetermined interval, is wound around the outer periphery of the core,
After that, the core and the conductive wire are cut at the place where the metal for electrode is adhered.

【０００８】[0008]

【作用】コアの外周に、導線を巻き付ける１工程によ
り、複数個分の巻付けを一度に行なうので、コアの外周
に導線を１個１個巻き付ける従来例に比して非常に簡単
かつ大量に量産することができる。Since a plurality of windings are wound at once by one step of winding the conductive wire around the outer circumference of the core, it is very simple and large in quantity as compared with the conventional example in which one conductive wire is wound around the outer circumference of the core. It can be mass-produced.

【０００９】[0009]

【実施例】以下、本発明の実施例を図面に基づいて説明
する。Embodiments of the present invention will be described below with reference to the drawings.

【００１０】図１（Ａ）は本発明の一実施例が適用され
る高周波用チョークコイルの斜視図であり、この高周波
用チョークコイル１１は例えば図示しない混成集積回路
に実装される小型のものであり、例えばフェライト等の
磁性体材料からなる長さ３mm程度の円柱状のコア１２の
外周に、絶縁被膜を被覆した導線１３を巻き付け、導線
１３の両端部の絶縁被膜を除去し、コア１２の端部外周
面に半田付けして左右一対の電極部１４ａ，１４ｂを形
成している。FIG. 1A is a perspective view of a high frequency choke coil to which an embodiment of the present invention is applied. The high frequency choke coil 11 is a small one mounted on, for example, a hybrid integrated circuit (not shown). For example, a conductive wire 13 coated with an insulating coating is wound around the outer circumference of a cylindrical core 12 made of a magnetic material such as ferrite and having a length of about 3 mm, and the insulating coating on both ends of the conductive wire 13 is removed to The pair of left and right electrode portions 14a and 14b are formed by soldering to the outer peripheral surface of the end portion.

【００１１】次に、このチョークコイル１１の製造方法
を図１に基づいて説明する。Next, a method of manufacturing the choke coil 11 will be described with reference to FIG.

【００１２】まず、図１（Ｂ）に示すように、前記チョ
ークコイル１１のコア１２の複数個分の長さを有する長
尺コア１５と、同図（Ｃ）で示す長尺導線１６を用意す
る。First, as shown in FIG. 1B, an elongated core 15 having a length corresponding to a plurality of cores 12 of the choke coil 11 and an elongated conductor wire 16 shown in FIG. 1C are prepared. To do.

【００１３】長尺導線１６は芯線の外周面に絶縁被膜を
被覆して、前記１個分の導線１３の複数個分の長さを有
し、しかも、その１個分の導線１３の両端部に対応する
部分の絶縁被膜を除去して電極用半田１７をそれぞれ付
着させており、換言すれば、所定の間隔で離間した電極
用金属が被着されているものである。ここで、電極用半
田１７は金や銀等導電体のメッキ等に置換してもよい。The long conductive wire 16 has an outer peripheral surface of a core wire coated with an insulating coating and has a length corresponding to a plurality of the single conductive wires 13 and both ends of the single conductive wire 13. The electrode coating is removed by removing the insulating coating of the portion corresponding to the above, and in other words, the electrode metal is applied at a predetermined interval. Here, the electrode solder 17 may be replaced by plating with a conductor such as gold or silver.

【００１４】次に、図１（Ｄ）に示すように、この長尺
コア１５の外周に長尺導線１６を巻き付け、しかる後
に、これを図中一点鎖線で示すように各電極用半田１７
の軸方向中間部にて切断する。これにより、図１（Ａ）
で示すチョークコイル１１の複数個を同時に製造するこ
とができる。Next, as shown in FIG. 1D, a long conductive wire 16 is wound around the outer periphery of the long core 15, and thereafter, this is soldered for each electrode 17 as shown by a chain line in the drawing.
Cut at the axial middle part of. As a result, FIG. 1 (A)
It is possible to simultaneously manufacture a plurality of choke coils 11 indicated by.

【００１５】したがって本実施例によれば、長尺コア１
５の外周に、長尺導線１６を巻き付ける１工程により、
複数個分の巻付けを一度に行なうので、コア１の外周に
導線２を１個１個巻き付ける従来例に比して非常に簡単
かつ大量に生産することができる。Therefore, according to this embodiment, the long core 1
By the one step of winding the long conductor 16 around the outer circumference of 5,
Since a plurality of windings are wound at once, it is possible to mass-produce much more easily than the conventional example in which the conductive wire 2 is wound around the outer periphery of the core 1 one by one.

【００１６】なお、以上の実施例においては、コア１
２，１５としてフェライトを用いたものについて説明し
ているが、例えばアモルファス磁性体やメルフ抵抗体等
のコア材料を使用しても良く、さらに、その形状も例え
ば四角柱状等であってもよい。In the above embodiment, the core 1
Although ferrites 2 and 15 are used in the description, core materials such as an amorphous magnetic material and a melf resistor may be used, and the shape may be, for example, a quadrangular prism.

【００１７】さらに、上記実施例においては、被覆導体
の一部の被覆を除去して電極を構成させているが、電極
部を除くコア１２，１５の外周面にポリイミド系樹脂等
の絶縁被膜を被着させ、その上に導線を巻回させてコア
と導体とを絶縁させることもできるものである。Further, in the above-described embodiment, the electrodes are formed by removing a part of the coating of the coated conductor, but an insulating coating such as a polyimide resin is formed on the outer peripheral surfaces of the cores 12 and 15 excluding the electrode portions. It is also possible to adhere the material and wind a conducting wire on it to insulate the core from the conductor.

【００１８】[0018]

【発明の効果】以上説明したように本発明は、コアの外
周に、電極用金属を被着した巻線を巻き付ける１工程に
より、複数個分の巻付けを一度に行なうので、コアの外
周に導線を１個１個巻き付ける従来例に比して非常に簡
単かつ大量に生産することができる。As described above, according to the present invention, a plurality of windings are performed at one time by one step of winding a wire coated with a metal for an electrode around the outer circumference of the core. It is very simple and can be mass-produced as compared with the conventional example in which each conductor is wound one by one.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明に係るチョークコイルの製造方法の一実
施例の製造を示しており、（Ａ）は完成品の斜視図、
（Ｂ）〜（Ｄ）は製造工程をそれぞれ示す斜視図。1A and 1B show manufacturing of an embodiment of a method for manufacturing a choke coil according to the present invention, in which (A) is a perspective view of a finished product,
(B)-(D) is a perspective view which shows a manufacturing process, respectively.

【図２】（Ａ）は従来の製造方法により製造されたチョ
ークコイルの斜視図、（Ｂ）と（Ｃ）は同図（Ａ）で示
すチョークコイルの従来の製造方法の工程をそれぞれ示
す斜視図。2A is a perspective view of a choke coil manufactured by a conventional manufacturing method, and FIGS. 2B and 2C are perspective views showing steps of the conventional manufacturing method of the choke coil shown in FIG. Fig.

【符号の説明】[Explanation of symbols]

１５ 長尺コア １６ 長尺導線 １７ 電極部 15 Long core 16 Long conductor wire 17 Electrode part

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 コアの外周に、所定の間隔で離間した電
極用金属が被着された導線を巻回させ、しかる後に、前
記電極用金属が被着された箇所で前記コアおよび導線を
切断することを特徴とするチョークコイルの製造方法。1. A conductive wire coated with a metal for an electrode, which is separated from the core by a predetermined distance, is wound around an outer periphery of the core, and thereafter, the core and the conductive wire are cut at a position where the metal for an electrode is coated. A method of manufacturing a choke coil, comprising: