JPS58162018A - Preparation of laminated transformer - Google Patents
Preparation of laminated transformerInfo
- Publication number
- JPS58162018A JPS58162018A JP4453482A JP4453482A JPS58162018A JP S58162018 A JPS58162018 A JP S58162018A JP 4453482 A JP4453482 A JP 4453482A JP 4453482 A JP4453482 A JP 4453482A JP S58162018 A JPS58162018 A JP S58162018A
- Authority
- JP
- Japan
- Prior art keywords
- conductors
- printed
- conductor
- magnetic material
- transformer
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は積層トランスの製造法に関するＯ従来、印刷法
を利用した積層インダクタや積層トランスの製造法が提
案されている。しかし、３本の巻ａｔ−有するトランス
を製造する方法に積層法を利用しようと試みると工程が
非常にＩｌ雑化する欠点があった。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a laminated transformer. Conventionally, a method for manufacturing a laminated inductor and a laminated transformer using a printing method has been proposed. However, if an attempt was made to use the lamination method to manufacture a transformer having three windings, the process would become extremely complicated.
本発明は印刷法又はスパッタリング法を利用し、比較的
単純な工程の組合せで３本の巻線を有する積層トランス
を提供することを目的とする。An object of the present invention is to provide a laminated transformer having three windings by a combination of relatively simple steps using a printing method or a sputtering method.
本発明の方法を簡単に述べると、約６分の１１ｇ１分の
３本の巻線用導体を中心点の周りに等間隔で形成し、そ
して電気絶縁性の磁性体の層を介在させながらこれら５
本の導体を約６分の１＠分の他の５本の導体へと接続延
長させ、以下同様にして所定の回数の５本の巻線を有す
る交互積層体とし、印刷法の場合にはさらに焼成を行っ
て５本の巻線を有する一体的な積層トランスを提供する
。巻線の始端及び終端となる導体の引出端はすべて積層
体の周辺へ引出されて外部端子へと接続されるＯ本発明
の方法は、最少数の導体パターン及び磁性体層を適当な
組合せで反復することにより実施できるので、印刷装置
又はスパッタリング装置及び工程が簡単になる利益ｔ＊
供する０例えば、以下に述べる実施例では巻線の約６分
の１−分を形成する各導体は巻線中心点を通る＊Ｓに直
交する直線で構成さね、また導体の間に介在する磁性体
層はすべて短冊形である。以下図面を参照して印刷法に
基づく本発明の実施例の方法を詳しく説明するが、本発
明はスパッタリング決などの積層法にも等しく適用でき
るものと理解されたい。Briefly describing the method of the present invention, three winding conductors of approximately 1/6 g and 1/1 g are formed at equal intervals around a center point, and these are formed with an electrically insulating magnetic layer interposed therebetween. 5
The conductor of the book is connected and extended to the other five conductors of approximately 1/6th of the length, and the same is repeated to form an alternating laminate having a predetermined number of five windings, and in the case of the printing method, Further firing provides an integral laminated transformer with five windings. The lead-out ends of the conductors, which are the starting and ending ends of the windings, are all led out to the periphery of the laminate and connected to external terminals. Benefits t* of simplifying the printing or sputtering equipment and process since it can be performed repeatedly
For example, in the embodiment described below, each conductor forming about one-sixth of the winding is constituted by a straight line passing through the winding center point and perpendicular to *S, and there are All magnetic layers are rectangular. A method according to an embodiment of the invention based on a printing method will be described in detail below with reference to the drawings, but it should be understood that the invention is equally applicable to lamination methods such as sputtering.
第１図から第１５図は本発明の方法の順次工程を示す平
ｔｒｏ図、＠１４図は完成した積層トランスの斜視図、
及び第１５図は同積層トランスの回路構成を概念的に示
す平面図である。なお、以下において磁性体又は磁性体
層は、フェライト等の電気絶縁性の磁性体粉末をブチラ
ール略の適当なバインダーでペースト化したものを示し
、これに後で焼成されて焼結フェライト等の焼結体とな
って積層トランスの一体的な一部分となる。以下におい
て、導体はＡｇ％Ａｇ−Ｐｄ、ｐｄｌの導電金属粉末を
同様にペースト化したものであり、積層・焼成の後に積
層トランスの巻ａｔ−構成する。なお、外部端子５用い
られる薄膜状導体層は上記と同一の導体のペースト又は
低温焼付けに適する導体ペーストであって良い。Figures 1 to 15 are flat views showing the sequential steps of the method of the present invention, Figure @14 is a perspective view of the completed laminated transformer,
and FIG. 15 is a plan view conceptually showing the circuit configuration of the laminated transformer. In the following, a magnetic material or a magnetic material layer refers to a paste made of electrically insulating magnetic powder such as ferrite with a suitable binder such as butyral, which is later fired to form a paste such as sintered ferrite. It becomes an integral part of the laminated transformer. In the following, the conductor is made by similarly pasting conductive metal powders of Ag%Ag-Pd and PDL, and after lamination and firing, the windings of the laminated transformer are constructed. The thin film conductor layer used in the external terminal 5 may be the same conductor paste as described above or a conductor paste suitable for low-temperature baking.
第１図において、磁性体層１を先ず印刷法で形成する。In FIG. 1, a magnetic layer 1 is first formed by a printing method.
次いで、第２ｖ４のように巻線形成用／）線状導体２．
５．４とそれらの引出１ｌｌＢ、２８゜５Ｓを同時に磁
性体層１の上に印刷する。これら導体２．３．４は磁性
体層１の中心点の周りの一つの円に沿って等間隔に配置
され、この中心点に対してｌｌ６０度の角を張る直線状
の導体（弧状も可）である。すなわち各導体は巻線の約
６分の１の長さを有する。引続く工程でも導体は順次ず
らされながら同一の円に沿って印刷されるものである。Next, as in 2nd v4, wire conductor 2.
5.4 and their drawers 1llB and 28°5S are simultaneously printed on the magnetic layer 1. These conductors 2.3.4 are arranged at equal intervals along a circle around the center point of the magnetic layer 1, and are straight conductors (arc-shaped conductors are also possible) that make an angle of 60 degrees with respect to this center point. ). That is, each conductor has a length approximately one-sixth of the winding. In subsequent steps, the conductors are printed along the same circle while being sequentially shifted.
次に、第！ｒ図の工程において、導体２．５．４の一端
ｔ−露出するようにして、短冊状の磁性体層５．６全印
刷する。これにより各導体の始端に近い部分は磁性体層
で覆われる。第４図の工程に移って、導体２．３．４の
露出端へそれぞれ接続する約６分の１Ｈ分の導体７．８
．９を印刷するＯ導体７．８．９は導体２．５．４から
６０度右−転した位置にある。艶５Ｗｉの工程に移って
、積層体の上に短冊状の磁性層１Ｇ、１１を印刷するが
、その際に導体７．８．９の先端は露出させておく。Next, number! In the process shown in Figure R, the entire strip-shaped magnetic layer 5.6 is printed so that one end t of the conductor 2.5.4 is exposed. As a result, a portion near the starting end of each conductor is covered with a magnetic layer. Moving on to the process shown in Figure 4, approximately 1/6th H of conductors 7.8 are connected to the exposed ends of conductors 2.3.4, respectively.
．． The O conductor 7.8.9 printing 9 is rotated 60 degrees to the right from the conductor 2.5.4. Moving on to the gloss 5Wi step, strip-shaped magnetic layers 1G and 11 are printed on the laminate, but at this time, the tips of the conductors 7, 8, and 9 are left exposed.
第６図の工程に移り、導体７．８．９にそれぞれ！！絖
する導体１２．１３．１４を印刷し、さらに第７図の工
程において第５ｇに示した磁性層と同形の磁性層１５．
１６ｔ−印刷する。第８図において、第４図と同様にし
て導体１２．１５．１４へそれぞれ接続する導体１７．
１８，１９１印刷し、さらに、１１２１９図の工程にお
いて磁性層２０．２１を印刷する。この工程は第５−と
同じであることが分ろう・第１０ｗＪの工程において導
体１７．１Ｂ、１ｔ ニ＋レソレ’１１１Ｍ１ｆル導ｆ
ｌＥ ２’２．２５．２４を印刷する。この工程は第６
図の工程と同様なものである・さらに＄１１１１Ｎにお
いて磁性層２５．２６全印刷しくこれは第３図及び第７
図と同様の工程である）、同じ導体の引出端子ＩＦ。Moving on to the process shown in Figure 6, conductors 7, 8, and 9 respectively! ! The conductors 12, 13, and 14 to be inserted are printed, and further, in the step of FIG. 7, a magnetic layer 15.
16t-Print. In FIG. 8, conductors 17., 17., 17. and 1.1, connect to conductors 12.15.14, respectively, in the same manner as in FIG.
18 and 191 are printed, and further, magnetic layers 20 and 21 are printed in the step shown in FIG. 11219. It can be seen that this process is the same as the 5th - In the process of the 10th wJ, the conductor 17.1B, 1t
Print lE 2'2.25.24. This process is the 6th
The process is similar to that shown in the figure.Furthermore, at $1111N, the entire magnetic layer 25 and 26 is printed.
The process is similar to that shown in the figure), and the lead terminal IF is made of the same conductor.
２Ｆ、５Ｆをそれぞれ導体２２．２５．２４へ接続する
ようにして印刷する。最後に、第１図に示したものと同
様な磁性体層２７を積層して積層を終る。Print so that 2F and 5F are connected to conductors 22, 25, and 24, respectively. Finally, a magnetic layer 27 similar to that shown in FIG. 1 is laminated to complete the lamination.
こうして得られた積層体は炉中で高温焼成して一体焼結
体とす、る。外周部に露出した引出端１Ｓ、２Ｂ、５Ｂ
及び１１ｉ’、２Ｆ、５Ｆには第１４図に示すように外
部端子１８，２８，５８．ＩＦ。The thus obtained laminate is fired at a high temperature in a furnace to form an integral sintered body. Pull-out ends 1S, 2B, 5B exposed on the outer periphery
and external terminals 18, 28, 58 . . . and 11i', 2F, 5F as shown in FIG. IF.
２Ｆ、３Ｆ（便宜上同一記号で示した）を導電ペースト
から薄膜状に焼付けてチップ形の積層トランスとする。2F and 3F (shown by the same symbol for convenience) are baked into thin films from conductive paste to form a chip-shaped multilayer transformer.
本発明の方法で製造された積層トランスは第１５図に図
示的に示したような回路構成及び端子位置を有すること
は明らかであろう。It will be apparent that a laminated transformer manufactured by the method of the present invention has a circuit configuration and terminal locations as diagrammatically shown in FIG.
以上゛の説明から理解できるように、本発明の製造方法
ではほぼ６分の１１分の導体５本１同時に印刷するもの
であり、しかもこれらは限定された１本パターンしか有
しないから、印刷用（例えばスクリーン印刷）のをやマ
スタの点数を最少眼に抑えることができ、印刷工＆ｉｔ
−単純化できる。さらに、本発明の方法では複数の積層
トランスを並行的に同時に製造し得るので大量生産が可
能になるＯ
本発明の方法はスパッタリング法による積層トランスの
撤造にも適用できる。As can be understood from the above explanation, in the manufacturing method of the present invention, five approximately 11-sixth conductors are printed at the same time, and since these have only a limited single pattern, it is difficult to use for printing. (for example, screen printing) and the number of masters can be kept to a minimum.
- Can be simplified. Furthermore, the method of the present invention enables mass production because a plurality of laminated transformers can be simultaneously manufactured in parallel.The method of the present invention can also be applied to the removal of laminated transformers by sputtering.
本発明の範囲内で多く、の変形例が可能なことは当業者
には明らかであろう。It will be apparent to those skilled in the art that many variations are possible within the scope of the invention.
＃Ｉ１図からｔＦ４１５図までは本発明の積層トランス
の製造の６工＆！を示す平面図、ＩＩｌ ４ｆｌ！Ｊは
本発明の積層トランスの斜視図、及び弟１５図は同ト磁
性体層
２、５、４、７、８、９、１２、１３、１４、１７、１
８、１９、２２、２３、２４：１分の１１分の導体１ｇ
，２８．５Ｂ，ＩＦ．２Ｆ．ＳＦ ｓ端子釦１５１４
・丁＜１４ １イ一【１#I1 diagram to tF415 diagram are the 6 processes of manufacturing the laminated transformer of the present invention &! Plan view showing IIl 4fl! J is a perspective view of the multilayer transformer of the present invention, and the younger figure 15 is a perspective view of the same magnetic material layers 2, 5, 4, 7, 8, 9, 12, 13, 14, 17, 1.
8, 19, 22, 23, 24: 1/11 conductor 1g
, 28.5B, IF. 2F. SF s terminal button 1514 ・Ding<14 1i1 [1
Claims (1)
導体を中心点の周りにほぼ等間隔に３本同時に形成し、
次に３本の導体の自由端を残して電気絶縁性磁性体の層
をその上に形成し、その上に前記３本の導体の自由端か
ら延長する約６分の１闘分の３本の導体を前記中心点の
周りにほぼ等間隔に形成し、以下四種に電気絶縁性磁性
体の屡及び約６分の１同分の５本の導体を所定数交互に
形成積層（２）磁性体層及び導体の形成はいずれも印刷
により行われる前記第１項記載の積層トランスの製造法
０ （３）磁性体層及び導体の形成はいずれもスパッタリン
グ法により行われる前記第１項記載の積層トランスの製
造法０[Scope of Claims] (1) Three conductors of approximately 1/6th of a mesh are simultaneously formed at approximately equal intervals around a center point on a substrate made of an electrically insulating magnetic material,
Next, a layer of electrically insulating magnetic material is formed thereon, leaving the free ends of the three conductors, and on top of that, three conductors of approximately one-sixth length extending from the free ends of the three conductors are formed. Conductors are formed at approximately equal intervals around the center point, and a predetermined number of conductors of the following four types of electrically insulating magnetic material, each of which is approximately 1/6 the same, are alternately formed and laminated (2). The manufacturing method of a multilayer transformer according to the above item 1, wherein both the magnetic layer and the conductor are formed by printing. (3) The method according to the above item 1, wherein the magnetic layer and the conductor are both formed by a sputtering method. Manufacturing method of laminated transformer 0
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4453482A JPS58162018A (en) | 1982-03-23 | 1982-03-23 | Preparation of laminated transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4453482A JPS58162018A (en) | 1982-03-23 | 1982-03-23 | Preparation of laminated transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58162018A true JPS58162018A (en) | 1983-09-26 |
| JPS636132B2 JPS636132B2 (en) | 1988-02-08 |
Family
ID=12694169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4453482A Granted JPS58162018A (en) | 1982-03-23 | 1982-03-23 | Preparation of laminated transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58162018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0281410A (en) * | 1988-09-17 | 1990-03-22 | Toko Inc | Current control type laminated inductor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6614050B2 (en) * | 2016-07-01 | 2019-12-04 | 株式会社村田製作所 | Common mode choke coil |
-
1982
- 1982-03-23 JP JP4453482A patent/JPS58162018A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0281410A (en) * | 1988-09-17 | 1990-03-22 | Toko Inc | Current control type laminated inductor |
| JPH0522368B2 (en) * | 1988-09-17 | 1993-03-29 | Toko Inc |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS636132B2 (en) | 1988-02-08 |
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