JPH06215946A - Chip type multilayer inductor - Google Patents
Chip type multilayer inductorInfo
- Publication number
- JPH06215946A JPH06215946A JP5006910A JP691093A JPH06215946A JP H06215946 A JPH06215946 A JP H06215946A JP 5006910 A JP5006910 A JP 5006910A JP 691093 A JP691093 A JP 691093A JP H06215946 A JPH06215946 A JP H06215946A
- Authority
- JP
- Japan
- Prior art keywords
- conductor pattern
- exposed
- laminated
- end portions
- tips
- 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
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、インダクタに関し、特
に磁性体シートと導電パターンを積層したチップ型積層
インダクタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inductor, and more particularly to a chip type laminated inductor in which a magnetic sheet and a conductive pattern are laminated.
【０００２】[0002]
【従来の技術】従来のチップ型積層インダクタ（以下、
積層インダクタと呼ぶ）は、図４に示すように、３枚の
磁性体シート４１、４２、及び４３と、これら磁性体シ
ートの間にそれぞれ配された２つの導体パターン４４及
び４５を有している。2. Description of the Related Art Conventional chip type multilayer inductors (hereinafter referred to as
As shown in FIG. 4, the laminated inductor has three magnetic material sheets 41, 42, and 43, and two conductor patterns 44 and 45 arranged between these magnetic material sheets, respectively. There is.
【０００３】導体パターン４４及び４５は、例えば、図
５に示す形状で、磁性体シート４１、４２、及び４３の
いずれかの表面上に印刷形成される。図５には、磁性体
シート４１上に形成された導体パターン４４を示す。The conductor patterns 44 and 45 have a shape shown in FIG. 5, for example, and are formed by printing on the surface of any of the magnetic sheets 41, 42 and 43. FIG. 5 shows the conductor pattern 44 formed on the magnetic sheet 41.
【０００４】導体パターン４４（４５）の端部５１は、
導体パターンが形成された磁性体シーを積層したとき
に、積層体の側面から露出するように磁性シート５２の
角の部分で磁性体シート４１（４２または４３）の縁に
沿って形成される。The end portion 51 of the conductor pattern 44 (45) is
When the magnetic sheet having the conductor pattern is laminated, the magnetic sheet is formed along the edge of the magnetic sheet 41 (42 or 43) at the corners of the magnetic sheet 52 so as to be exposed from the side surface of the laminated body.
【０００５】なお、正確には、一枚の磁性体シート上に
は多数の導体パターンが配列形成され、積層後に個々の
積層インダクタとして切り出される。したがって、導体
パターンを形成するときは、必ずしもその端部がシート
の縁に沿って形成される必要はなく、切り出された結果
として導体パターンの端部が磁性シートの縁に沿うよう
にしてあれば良い。To be precise, a large number of conductor patterns are arrayed and formed on one magnetic material sheet, and they are cut out as individual laminated inductors after lamination. Therefore, when forming the conductor pattern, it is not always necessary that the end portion is formed along the edge of the sheet, and if the end portion of the conductor pattern is cut along the edge of the magnetic sheet as a result of being cut out. good.
【０００６】[0006]
【発明が解決しようとする課題】従来の積層インダクタ
は、非常に小型で、導体パターンと外部端子とを容易か
つ確実に接続するためには、導体パターンを積層体の四
つの角で露出させることが望ましい。しかしながら、こ
の様に、積層体の角の部分に導体パターンが露出してい
ると、焼結を行ったときに、磁性体シートと導体パター
ンとの収縮応力の差から「ひらき（デラミネーショ
ン）」（積層したシートが剥がれる）を生じ易く、「わ
れ（クラック）」に至るという問題点がある。The conventional laminated inductor is very small, and in order to connect the conductor pattern and the external terminal easily and surely, the conductor pattern is exposed at the four corners of the laminate. Is desirable. However, if the conductor pattern is exposed at the corners of the laminate in this way, "opening (delamination)" occurs due to the difference in contraction stress between the magnetic sheet and the conductor pattern when sintering is performed. There is a problem in that (laminated sheets are easily peeled off) and “cracking” occurs.
【０００７】本発明は、焼結による「ひらき」の発生を
抑えた積層インダクタを提供することを目的とする。An object of the present invention is to provide a laminated inductor in which "opening" due to sintering is suppressed.
【０００８】[0008]
【課題を解決するための手段】本発明によれば、複数の
磁性体シートと、複数の端部を有し前記複数の磁性体シ
ートの間に配される導体パターンとを、前記複数の端部
が積層体の側面から外部に露出するように積層した積層
インダクタにおいて、前記複数の端部のうち特定の端部
を二股以上に分岐して複数の先端を形成し、該複数の先
端のうち２つの先端が前記積層体の互いに隣り合う２つ
の側面であって、該２つの側面が形成する角を除く側面
にそれぞれ露出するように配置するとともに、前記複数
の端部のうち前記特定の端部以外の端部と前記複数の先
端のうち前記２つの先端以外の先端とが前記積層体の角
を除く側面から露出するように配置したことを特徴とす
るチップ型積層インダクタが得られる。According to the present invention, a plurality of magnetic material sheets and a conductor pattern having a plurality of end portions and arranged between the plurality of magnetic material sheets are provided. In a laminated inductor in which a part is laminated so as to be exposed to the outside from a side surface of the laminated body, a specific end of the plurality of ends is branched into two or more to form a plurality of tips, and a plurality of tips are formed. The two tips are two side surfaces adjacent to each other of the laminated body, and are arranged so as to be exposed on the side surfaces excluding the corners formed by the two side surfaces, and the specific end among the plurality of end portions. A chip-type laminated inductor is obtained in which an end portion other than a portion and a tip other than the two tip ends of the plurality of tip portions are arranged to be exposed from a side surface of the laminated body excluding a corner.
【０００９】[0009]
【実施例】以下に図面を参照して本発明の実施例を説明
する。図１に本発明の一実施例に使用される導体パター
ン１１を示す。この導体パターン１１は、蛇行部１２と
端部１３とを有し、端部１３の先端は二股に分けられて
いる。従来同様、この導体パターンは磁性シート１４の
表面上に印刷形成されるが、このとき、端部１３の先端
は、シート１４の角からそれぞれ距離Ｌ1 及びＬ2 離れ
た位置で隣り合う二つの縁に沿うよう形成される。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a conductor pattern 11 used in one embodiment of the present invention. The conductor pattern 11 has a meandering portion 12 and an end portion 13, and the tip of the end portion 13 is bifurcated. As in the conventional case, this conductor pattern is printed on the surface of the magnetic sheet 14. At this time, the tip of the end portion 13 is formed on two adjacent edges at the distances L1 and L2 from the corner of the sheet 14, respectively. It is formed along.
【００１０】図２に本発明の第１の実施例を示す。本実
施例の積層インダクタは、図１に示す導体パターン１１
ａ，１１ｂがそれぞれ印刷形成された磁性体シート２１
及び２２と、導体パターンが印刷されていない磁性体シ
ート及び２３とを有している。導体パターン１１ａ，１
１ｂの端部は、それぞれ隣り合う２つの側面であって、
これらの２つの側面によって形成される角を除く側面に
その先端を露出させている。即ち、隣り合う２つの側面
が形成する角からＬ1 及びＬ2 はなれた位置で、その先
端を露出させている。FIG. 2 shows a first embodiment of the present invention. The laminated inductor of this embodiment has the conductor pattern 11 shown in FIG.
Magnetic sheet 21 on which a and 11b are formed by printing
22 and 22 and a magnetic material sheet 23 on which a conductor pattern is not printed. Conductor patterns 11a, 1
The ends of 1b are two side surfaces adjacent to each other,
The tip is exposed on the side surface except the corners formed by these two side surfaces. That is, L1 and L2 are distant from the corner formed by two adjacent side surfaces, and the tip ends thereof are exposed.
【００１１】この様に、本実施例では、導体パターン
が、積層体の角を除く側面に露出しており、角には露出
していないので、焼結の際「ひらき」が生じにくい。ま
た、導体パターンが露出している位置は、実質的に従来
のものと変わらず、外部端子の接続が容易かつ確実に行
える。さらに、導体パターンの端部を二股にしたので、
どちらの端部でも外部端子を接続できるので設計の自由
度が大きくなる。As described above, in this embodiment, the conductor pattern is exposed on the side surfaces of the laminate except the corners and is not exposed on the corners, so that "opening" is unlikely to occur during sintering. Further, the position where the conductor pattern is exposed is substantially the same as that of the conventional one, and the connection of the external terminal can be performed easily and surely. Furthermore, because the end of the conductor pattern is bifurcated,
External terminals can be connected to either end, which increases the degree of freedom in design.
【００１２】なお、上記実施例では、導体パターンの２
つの端部をそれぞれ二股にしたが、これに限られるもの
ではなく、積層体の角を除く側面に導体パターンの端部
が露出するようにしてあれば良い。例えば、図３（ａ）
に示すように、積層体の角の近傍に配置される端部のみ
を二股にしても良い。また、図３（ｂ）及び図３（ｃ）
に示すように、二股以上に分岐させても良い。さらに、
図３（ｃ）に示すように、積層体の３つの側面に先端が
露出するようにしても良い。In the above embodiment, the conductor pattern 2
Although the two end portions are bifurcated, the present invention is not limited to this, and the end portions of the conductor pattern may be exposed on the side surfaces of the laminated body excluding the corners. For example, FIG.
As shown in FIG. 5, only the end portions arranged near the corners of the laminated body may be bifurcated. 3 (b) and 3 (c)
As shown in, it may be branched into two or more branches. further,
As shown in FIG. 3C, the tip may be exposed on three side surfaces of the laminated body.
【００１３】[0013]
【発明の効果】本発明によれば、複数の磁性体シート
と、該複数の磁性体シートの間に配された導体パターン
とを積層する積層インダクタにおいて、導体パターンの
端部のうち特定の端部を二股以上にし、その２つの先端
が積層体の互いに隣り合う２つの側面のこれら２つの側
面が形成する角を除く位置に露出するようにするととと
もに、他の先端及び他の端部が積層体の角を除く側面に
露出するようにしたことで、焼結時のひらきを抑止でき
る。According to the present invention, in a laminated inductor in which a plurality of magnetic material sheets and a conductor pattern arranged between the plurality of magnetic material sheets are laminated, a specific end among the end portions of the conductor pattern is provided. The part is bifurcated, and the two tips are exposed at positions other than the corners formed by these two side surfaces of the two adjacent side surfaces of the laminated body, and the other tip and other end portions are laminated. By exposing the side surface of the body excluding the corners, it is possible to suppress the opening during sintering.
【図１】本発明の一実施例に使用される導体パターンの
平面図である。FIG. 1 is a plan view of a conductor pattern used in an embodiment of the present invention.
【図２】本発明の一実施例の斜視図である。FIG. 2 is a perspective view of an embodiment of the present invention.
【図３】本発明の他の実施例に使用される導体パターン
の平面図であり、（ａ）は特定の端部のみを二股に分岐
した例を示し、（ｂ）は端部を三股に分岐した例を示
し、（ｃ）は１つの端部が３つの側面露出する例を示
す。FIG. 3 is a plan view of a conductor pattern used in another embodiment of the present invention, in which (a) shows an example in which only a specific end is branched into two, and (b) shows the end in three. A branched example is shown, and (c) shows an example in which one end is exposed on three side surfaces.
【図４】従来の積層コモンモードチョークの斜視図であ
る。FIG. 4 is a perspective view of a conventional laminated common mode choke.
【図５】従来の積層コモンモードチョークに使用される
導体パターンの平面図である。FIG. 5 is a plan view of a conductor pattern used in a conventional laminated common mode choke.
１１ 導体パターン １２ 蛇行部 １３ 端部 １４ 磁性シート ４１，４２，４３ 磁性体シート ４４，４５ 導体パターン ５１ 端部 11 conductor pattern 12 meandering portion 13 end portion 14 magnetic sheet 41, 42, 43 magnetic material sheet 44, 45 conductor pattern 51 end portion
Claims (1)
し前記複数の磁性体シートの間に配される導体パターン
とを、前記複数の端部が積層体の側面から外部に露出す
るように積層した積層インダクタにおいて、前記複数の
端部のうち特定の端部を二股以上に分岐して複数の先端
を形成し、該複数の先端のうち２つの先端が前記積層体
の互いに隣り合う２つの側面であって、該２つの側面が
形成する角を除く側面にそれぞれ露出するように配置す
るとともに、前記複数の端部のうち前記特定の端部以外
の端部と前記複数の先端のうち前記２つの先端以外の先
端とが前記積層体の角を除く側面から露出するように配
置したことを特徴とするチップ型積層インダクタ。1. A plurality of magnetic material sheets and a conductor pattern having a plurality of end portions and arranged between the plurality of magnetic material sheets, the plurality of end portions being exposed to the outside from a side surface of the laminated body. In the laminated inductor, a specific end of the plurality of ends is branched into two or more to form a plurality of tips, and two tips of the plurality of tips are adjacent to each other of the laminate. The two side faces are arranged so as to be exposed to the side faces except the corners formed by the two side faces, and the end portions other than the specific end portion among the plurality of end portions and the plurality of tip ends. A chip type multilayer inductor, characterized in that the two other tips are arranged so as to be exposed from the side surfaces of the multilayer body excluding the corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00691093A JP3218444B2 (en) | 1993-01-19 | 1993-01-19 | Chip type multilayer inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00691093A JP3218444B2 (en) | 1993-01-19 | 1993-01-19 | Chip type multilayer inductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06215946A true JPH06215946A (en) | 1994-08-05 |
| JP3218444B2 JP3218444B2 (en) | 2001-10-15 |
Family
ID=11651400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00691093A Expired - Fee Related JP3218444B2 (en) | 1993-01-19 | 1993-01-19 | Chip type multilayer inductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3218444B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010199210A (en) * | 2009-02-24 | 2010-09-09 | Murata Mfg Co Ltd | Electronic component |
| JP2016131170A (en) * | 2015-01-13 | 2016-07-21 | パナソニックＩｐマネジメント株式会社 | Lamination coil component |
| JP2021019042A (en) * | 2019-07-18 | 2021-02-15 | 株式会社トーキン | Inductor |
-
1993
- 1993-01-19 JP JP00691093A patent/JP3218444B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010199210A (en) * | 2009-02-24 | 2010-09-09 | Murata Mfg Co Ltd | Electronic component |
| JP2016131170A (en) * | 2015-01-13 | 2016-07-21 | パナソニックＩｐマネジメント株式会社 | Lamination coil component |
| JP2021019042A (en) * | 2019-07-18 | 2021-02-15 | 株式会社トーキン | Inductor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3218444B2 (en) | 2001-10-15 |
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