JPH08162807A - Irreversible circuit element - Google Patents

Irreversible circuit element

Info

Publication number
JPH08162807A
JPH08162807A JP30790594A JP30790594A JPH08162807A JP H08162807 A JPH08162807 A JP H08162807A JP 30790594 A JP30790594 A JP 30790594A JP 30790594 A JP30790594 A JP 30790594A JP H08162807 A JPH08162807 A JP H08162807A
Authority
JP
Japan
Prior art keywords
conductor
insulator
circuit device
conductors
strip
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.)
Withdrawn
Application number
JP30790594A
Other languages
Japanese (ja)
Inventor
Koji Kamei
浩二 亀井
Norihiko Ono
典彦 小野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokin Corp
Original Assignee
Tokin Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokin Corp filed Critical Tokin Corp
Priority to JP30790594A priority Critical patent/JPH08162807A/en
Publication of JPH08162807A publication Critical patent/JPH08162807A/en
Withdrawn legal-status Critical Current

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  • Non-Reversible Transmitting Devices (AREA)

Abstract

PURPOSE: To obtain the irreversible circuit element in which the characteristic is improved, dispersion is suppressed and assembling man-hours are considerably reduced. CONSTITUTION: The element is provided with a center conductor section by laminating center conductor 1-a (1-b, 1-c) alternately, which are formed by forming a film of an insulator 3-a (3-b, 3-c) onto a strip conductor 2-a (2-b, 2-c) respectively with the thin film technology. The center conductors 1-a, 1-b, 1-c are laminated alternately on a ferrite board 4 at a prescribed angular interval and the film of the insulator 3-a (3-b, 3-c) is formed on the strip conductor 2-a (2-b, 2-c) except their both ends.

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、マイクロ波通信機等に
用いる集中定数型の非可逆回路素子に関するものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lumped-constant nonreciprocal circuit device used in microwave communication devices and the like.

【0002】[0002]

【従来の技術】従来の非可逆回路素子について、図4を
参照して説明する。図4は従来の非可逆回路素子の中心
導体の構成を示した分解斜視図である。図5は、従来の
非可逆回路素子の構造を示す斜視図である。
2. Description of the Related Art A conventional non-reciprocal circuit device will be described with reference to FIG. FIG. 4 is an exploded perspective view showing a configuration of a central conductor of a conventional non-reciprocal circuit device. FIG. 5 is a perspective view showing the structure of a conventional non-reciprocal circuit device.

【0003】図4において、中心導体部1は、金属板に
て形成された3本のストリップ導体5−a,5−b,5
−cが所定の角度間隔で絶縁体6を介して互いに絶縁さ
れた状態で構成され、フェライト板4上に配置される。
この中心導体部1とフェライト板4とからなる組立体に
は整合用コンデンサ、終端用抵抗が図5に示すように接
続され、さらに磁界印加用の永久磁石(図示せず)、磁
性ヨーク(図示せず)が装着されて、非可逆回路素子が
構成される。
In FIG. 4, the central conductor portion 1 is composed of three strip conductors 5-a, 5-b, 5 formed of a metal plate.
-C are insulated from each other through the insulator 6 at a predetermined angular interval, and are arranged on the ferrite plate 4.
A matching capacitor and a terminating resistor are connected to the assembly composed of the central conductor portion 1 and the ferrite plate 4 as shown in FIG. 5, and a magnetic field applying permanent magnet (not shown) and a magnetic yoke (see FIG. (Not shown) is attached to form a nonreciprocal circuit device.

【0004】[0004]

【発明が解決しようとする課題】従来の非可逆回路素子
の中心導体の構成方法は、中心導体部を構成する金属板
にて形成されたストリップ導体を、所定の角度間隔で絶
縁体と交互に積み重ねて構成するものであり、この方法
においては、ストリップ導体の角度間隔の精度が悪く、
特性の劣化、ばらつきが生じ、また組立工数がかかると
いう問題点があった。
A conventional method of forming a center conductor of a non-reciprocal circuit device is such that a strip conductor formed of a metal plate forming a center conductor is alternately formed with an insulator at a predetermined angular interval. In this method, the accuracy of the angular spacing of the strip conductors is poor,
There are problems that the characteristics deteriorate and vary, and that the number of assembling steps increases.

【0005】本発明の課題は、上記問題点を解消し、特
性の向上、ばらつきの抑制を図ることができ、組立工数
を大幅に削減することができる非可逆回路素子を提供す
ることである。
An object of the present invention is to provide a non-reciprocal circuit device which can solve the above-mentioned problems, improve the characteristics, suppress variations, and significantly reduce the number of assembling steps.

【0006】[0006]

【課題を解決するための手段】本発明によれば、ストリ
ップ導体及び絶縁体をフェライト板上に薄膜技術により
成膜して積層されてなる中心導体が複数形成されてなる
中心導体部を備え、前記複数の中心導体が交互に所定の
角度間隔をおいて前記フェライト板上に積層され、前記
絶縁体が前記ストリップ導体上にその両端部を残して成
膜されていることを特徴とする非可逆回路素子が得られ
る。
According to the present invention, there is provided a central conductor portion comprising a plurality of central conductors formed by stacking strip conductors and insulators on a ferrite plate by thin film technology, An irreversible structure characterized in that the plurality of central conductors are alternately laminated at predetermined angular intervals on the ferrite plate, and the insulator is formed on the strip conductor leaving both ends thereof. A circuit element is obtained.

【0007】さらに、本発明によれば、前記各中心導体
部と周辺素子との電気的接続がワイヤーボンディングで
なされていることを特徴とする非可逆回路素子が得られ
る。
Further, according to the present invention, there is obtained a nonreciprocal circuit device characterized in that the respective central conductors and the peripheral elements are electrically connected by wire bonding.

【0008】[0008]

【作用】本発明による非可逆回路素子は、フェライト板
上にストリップ導体と絶縁層を、薄膜技術により積層し
中心導体を形成する事によって、ストリップ導体の角度
間隔の精度を上げることができるため、特性の向上、ば
らつきの抑制を達成することができ、かつ組立工数を大
幅に削減することができる。
In the nonreciprocal circuit device according to the present invention, since the strip conductor and the insulating layer are laminated on the ferrite plate by the thin film technique to form the central conductor, the accuracy of the angular interval of the strip conductor can be improved. It is possible to improve the characteristics and suppress variations, and it is possible to significantly reduce the number of assembly steps.

【0009】[0009]

【実施例】図1〜図3を参照して、本発明に係る非可逆
回転素子の一実施例を説明する。図1は中心導体をフェ
ライト板上に形成する手順を示した図である。図1にお
いてフェライト板4の上面に薄膜技術によってストリッ
プ導体2−aが成膜され、ストリップ導体2−a上にそ
の両端を残すようにして絶縁体3−aが成膜されて中心
導体1−aが形成される。次に、中心導体1−a上に薄
膜技術によって中心導体1−aの長手方向と異なる方向
にストリップ導体2−bが成膜され、ストリップ導体2
−b上にその両端を残すようにして絶縁体3−bが成膜
されて中心導体1−bが形成される。次に、中心導体1
−b上に薄膜技術によって中心導体1−a、1−bの長
手方向と異なる方向にストリップ導体2−cが成膜さ
れ、ストリップ導体2−c上にその両端を残すようにし
て絶縁体3−cが成膜されて中心導体1−cが形成され
る。ようするに、フェライト板4上にストリップ導体と
絶縁体を交互に成膜、積層していくものである。このと
き、フェライト板4上へのストリップ導体と絶縁体の成
膜、積層は所定の角度間隔ごとに行う。又、各中心導体
1−a、1−b、1−cで構成されている中心導体部の
中心部分においては、3つのストリップ導体及び絶縁体
がすべて重なっている。絶縁膜の無いストリップ導体の
両端は、入出力及びアース端となる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the nonreciprocal rotating element according to the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing a procedure for forming a center conductor on a ferrite plate. In FIG. 1, the strip conductor 2-a is formed on the upper surface of the ferrite plate 4 by a thin film technique, and the insulator 3-a is formed on the strip conductor 2-a so that both ends thereof are left and the center conductor 1- is formed. a is formed. Next, the strip conductor 2-b is formed on the center conductor 1-a by a thin film technique in a direction different from the longitudinal direction of the center conductor 1-a.
An insulator 3-b is formed on -b so that both ends thereof are left, and a center conductor 1-b is formed. Next, the center conductor 1
A strip conductor 2-c is formed on the -b by a thin film technique in a direction different from the longitudinal direction of the center conductors 1-a and 1-b, and both ends of the strip conductor 2-c are left on the strip conductor 2-c and the insulator 3 is formed. -C is deposited to form the center conductor 1-c. In this way, strip conductors and insulators are alternately formed and laminated on the ferrite plate 4. At this time, the strip conductor and the insulator are formed and laminated on the ferrite plate 4 at predetermined angular intervals. Further, in the central portion of the central conductor portion composed of the respective central conductors 1-a, 1-b and 1-c, all three strip conductors and the insulator are overlapped. Both ends of the strip conductor having no insulating film serve as input / output and ground ends.

【0010】薄膜形成の手法は、蒸着、スパッタ、CV
D法等でフェライト材質、ストリップ導体の材質、及び
絶縁体の材質にあわせて適宜行えば良い。また、ストリ
ップ導体の材質としては、Au、Ag、Al、Cu等、
また絶縁体の材質としてはSiO2 等があげられる。
The thin film forming method includes vapor deposition, sputtering, and CV.
It may be appropriately performed according to the ferrite material, the strip conductor material, and the insulator material by the D method or the like. The material of the strip conductor is Au, Ag, Al, Cu, etc.
Further, examples of the material of the insulator include SiO 2 .

【0011】尚、本実施例においては、ストリップ導体
はAlを用い、絶縁体はSiO2 を用いてスパッタ法に
て成膜してある。ストリップ導体の厚さは、導体抵抗を
考慮し、最低でも使用する周波数のスキンデップス(表
皮の深さ)以上の厚さとする必要がある。通常、スキン
デップスの2倍以上の厚さが好ましい。本実施例におい
ては、使用周波数(1GHz)におけるスキンデップス
の約2倍である10μmで成膜している。上述の方法に
より、中心導体1−a,1−b,1−cを互いに異なる
方向に積層されてなる中心導体部をフェライト板4上に
形成してなる積層部7が完成する。
In this embodiment, the strip conductor is made of Al and the insulator is made of SiO 2 by sputtering. Considering the conductor resistance, the thickness of the strip conductor must be at least a skin depth (skin depth) of the frequency used. Generally, a thickness of at least twice the skin depth is preferred. In this embodiment, the film is formed at 10 μm, which is about twice the skin depth at the operating frequency (1 GHz). By the above-described method, the laminated portion 7 in which the central conductor portion formed by laminating the central conductors 1-a, 1-b and 1-c in different directions is formed on the ferrite plate 4 is completed.

【0012】次に、本発明に係る非可逆回路素子につい
て具体的に集中定数型アイソレータを一例にあげて説明
する。図2は、本発明による非可逆回路素子としての集
中定数型アイソレータの一実施例を示した分解斜視図で
ある。図3は、本発明に係る非可逆回路素子の構造を示
した斜視図である。図2において、基台8には、上記し
た積層部7搭載用の凹部10、整合用コンデンサ9と抵
抗11搭載用の切り欠き12,13、内部入出力電極1
4、外部端子用入出力電極15、内部アース電極16、
及び外部端子用アース電極17が設けられている。
Next, the nonreciprocal circuit device according to the present invention will be specifically described by taking a lumped constant isolator as an example. FIG. 2 is an exploded perspective view showing an embodiment of a lumped constant isolator as a non-reciprocal circuit device according to the present invention. FIG. 3 is a perspective view showing the structure of the nonreciprocal circuit device according to the present invention. In FIG. 2, the base 8 has a recess 10 for mounting the laminated portion 7, notches 12 and 13 for mounting the matching capacitor 9 and the resistor 11, and the internal input / output electrode 1 in FIG.
4, external terminal input / output electrode 15, internal ground electrode 16,
And a ground electrode 17 for an external terminal.

【0013】集中定数型アイソレータの組立方法は、ま
ず整合用コンデンサ9、抵抗11をそれぞれ切り欠き1
2,13内に搭載し、半田付け後、積層部7を凹部10
に搭載する。その後、各ストリップ導体2−a,2−
b,2−cの両端を、図3に示すように整合用コンデン
サ9、抵抗11、内部入出力電極14、内部アース電極
16にワイヤーボンディングして中心導体部が各電子部
品(整合用コンデンサ9及び抵抗11)及び電極(内部
入出力電極14及び内部アース電極16)に電気的に接
続される。その後、永久磁石18,19、金属磁性ヨー
ク20,21を基台8の上下方向から装着して本発明に
よる非可逆回路素子である集中定数型アイソレータが完
成する。
In the method of assembling a lumped-constant type isolator, first, the matching capacitor 9 and the resistor 11 are cut out 1 respectively.
2 and 13, and after soldering, the laminated portion 7 is recessed 10
To be mounted on. After that, each strip conductor 2-a, 2-
Both ends of b and 2-c are wire-bonded to the matching capacitor 9, the resistor 11, the internal input / output electrode 14, and the internal ground electrode 16 as shown in FIG. And resistor 11) and electrodes (internal input / output electrode 14 and internal ground electrode 16). Then, the permanent magnets 18 and 19 and the metal magnetic yokes 20 and 21 are mounted from above and below the base 8 to complete the lumped-constant type isolator which is a nonreciprocal circuit device according to the present invention.

【0014】当然の事ながら、抵抗11を搭載せず、入
出力装置を設けておけば集中定数型サーキュレータにな
ることは自明のことである。また、構成する非可逆回路
素子のポート数に応じて、ストリップ導体の本数は3本
とは限らず複数本であってもよい。
As a matter of course, it is obvious that a lumped-constant circulator can be obtained by providing the input / output device without mounting the resistor 11. In addition, the number of strip conductors is not limited to three, and may be plural depending on the number of ports of the non-reciprocal circuit device to be configured.

【0015】[0015]

【発明の効果】本発明による非可逆回路素子は、薄膜技
術を用いてフェライト円板上にストリップ導体と絶縁層
を交互に成膜、積層して中心導体部を形成することによ
って、ストリップ導体の角度間隔の精度を上げること、
即ち特性の向上、ばらつきの抑制を達成することがで
き、かつ組立工数を大幅に削減することができる。
The nonreciprocal circuit device according to the present invention comprises a strip conductor formed by alternately depositing and laminating strip conductors and insulating layers on a ferrite disk by using thin film technology to form a central conductor portion. Increasing the accuracy of the angular spacing,
That is, it is possible to improve the characteristics and suppress variations, and it is possible to significantly reduce the number of assembling steps.

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

【図1】本発明による非可逆回路素子の中心導体部をフ
ェライト板上に形成する手順を示した図である。
FIG. 1 is a diagram showing a procedure of forming a central conductor portion of a nonreciprocal circuit device according to the present invention on a ferrite plate.

【図2】本発明による非可逆回路素子の一実施例を示し
た分解斜視図である。
FIG. 2 is an exploded perspective view showing an embodiment of a non-reciprocal circuit device according to the present invention.

【図3】本発明に係る非可逆回路素子の構造を示した斜
視図である。
FIG. 3 is a perspective view showing a structure of a non-reciprocal circuit device according to the present invention.

【図4】従来の非可逆回路素子の中心導体部の構成を示
した分解斜視図である。
FIG. 4 is an exploded perspective view showing a configuration of a central conductor portion of a conventional non-reciprocal circuit device.

【図5】従来の非可逆回路素子の構造を示した斜視図で
ある。
FIG. 5 is a perspective view showing a structure of a conventional non-reciprocal circuit device.

【符号の説明】[Explanation of symbols]

1−a,1−b,1−c 中心導体 2−a,2−b,2−c,5−a,5−b,5−c
ストリップ導体 3−a,3−b,3−c,6 絶縁体 4 フェライト板 7 積層部 8 基台 9 整合用コンデンサ 10 凹部 11 抵抗 12,13 切り欠き 14 内部入出力電極 15 外部端子用入出力電極 16 内部アース電極 17 外部端子用アース電極 18,19 永久磁石 20,21 金属磁性ヨーク 22 ボンディングワイヤー 23 スルーホール
1-a, 1-b, 1-c Central conductor 2-a, 2-b, 2-c, 5-a, 5-b, 5-c
Strip conductor 3-a, 3-b, 3-c, 6 Insulator 4 Ferrite plate 7 Laminated part 8 Base 9 Matching capacitor 10 Recess 11 Resistor 12, 13 Notch 14 Internal input / output electrode 15 External terminal input / output Electrode 16 Internal ground electrode 17 Ground electrode for external terminal 18,19 Permanent magnet 20,21 Metal magnetic yoke 22 Bonding wire 23 Through hole

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 ストリップ導体及び絶縁体をフェライト
板上に薄膜技術により成膜して積層されてなる中心導体
が複数形成されてなる中心導体部を備え、前記複数の中
心導体が交互に所定の角度間隔をおいて前記フェライト
板上に積層され、前記絶縁体が前記ストリップ導体上に
その両端部を残して成膜されていることを特徴とする非
可逆回路素子。
1. A center conductor portion comprising a plurality of center conductors formed by laminating strip conductors and insulators on a ferrite plate by a thin film technique and laminating the plurality of center conductors. A non-reciprocal circuit device, characterized in that the insulator is laminated on the ferrite plate at an angular interval, and the insulator is formed on the strip conductor leaving both ends thereof.
【請求項2】 請求項1記載の非可逆回路素子におい
て、前記各中心導体部と周辺素子との電気的接続がワイ
ヤーボンディングでなされていることを特徴とする非可
逆回路素子。
2. The nonreciprocal circuit device according to claim 1, wherein the central conductors and the peripheral devices are electrically connected by wire bonding.
JP30790594A 1994-12-12 1994-12-12 Irreversible circuit element Withdrawn JPH08162807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30790594A JPH08162807A (en) 1994-12-12 1994-12-12 Irreversible circuit element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30790594A JPH08162807A (en) 1994-12-12 1994-12-12 Irreversible circuit element

Publications (1)

Publication Number Publication Date
JPH08162807A true JPH08162807A (en) 1996-06-21

Family

ID=17974587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30790594A Withdrawn JPH08162807A (en) 1994-12-12 1994-12-12 Irreversible circuit element

Country Status (1)

Country Link
JP (1) JPH08162807A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059065A1 (en) * 1999-03-26 2000-10-05 Hitachi Metals, Ltd. Concentrated constant irreciprocal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059065A1 (en) * 1999-03-26 2000-10-05 Hitachi Metals, Ltd. Concentrated constant irreciprocal device

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