JP2000286634A - Antenna system and its manufacture - Google Patents
Antenna system and its manufactureInfo
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- JP2000286634A JP2000286634A JP11089604A JP8960499A JP2000286634A JP 2000286634 A JP2000286634 A JP 2000286634A JP 11089604 A JP11089604 A JP 11089604A JP 8960499 A JP8960499 A JP 8960499A JP 2000286634 A JP2000286634 A JP 2000286634A
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、フィルタと高周波
フィルタとを一体構造としたアンテナ装置及びアンテナ
装置の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna device in which a filter and a high frequency filter are integrated, and a method of manufacturing the antenna device.
【０００２】[0002]
【従来の技術】近時、携帯電話等の高周波無線機に使用
される高周波電子部品の小型化、高性能化への要求に対
応するため、フィルタと高周波アンテナを一体構造とし
た誘電体アンテナが例えば特開平９−９３０１５号公報
に開示されている。2. Description of the Related Art In recent years, in order to meet the demand for miniaturization and high performance of high-frequency electronic components used in high-frequency radios such as mobile phones, a dielectric antenna having a filter and a high-frequency antenna integrated with each other has been developed. For example, it is disclosed in JP-A-9-93015.
【０００３】このような誘電体アンテナは、アンテナと
該アンテナに接続されるフィルタとの間のスペースを最
小とし、また、無線機設計におけるアンテナとフィルタ
との間のマッチング調整をなくすことができる有効な技
術である。[0003] Such a dielectric antenna minimizes the space between the antenna and a filter connected to the antenna, and also eliminates the need for matching adjustment between the antenna and the filter in radio design. Technology.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、フィル
タとアンテナとが一体構造とされた高周波無線機におい
ては、フィルタを通過した後の信号の周波数特性を評価
できないという問題が生じている。However, in a high-frequency radio device in which a filter and an antenna are integrated, there is a problem that the frequency characteristics of a signal after passing through the filter cannot be evaluated.
【０００５】一般的に、高周波無線機においては、他の
無線システムへの影響を抑制するために、アンテナから
放射される電波のスペクトラムは、公的機関によって定
められた規格を満たさなければならない。In general, in a high-frequency radio, the spectrum of a radio wave radiated from an antenna must satisfy a standard set by a public organization in order to suppress the influence on other radio systems.
【０００６】この規格を満たしているかどうかの検査
は、無線機基板の組立工程の最終段階における検査工程
で行われる。具体的には、フィルタにアンテナを接続す
る前に、フィルタに接続されているコネクタに測定器を
ケーブルを介して接続することで前記検査が行われる。
このような有線系での測定を行った後に、アンテナがフ
ィルタに接続される。[0006] An inspection as to whether or not this standard is satisfied is performed in an inspection process at the final stage of the assembly process of the wireless device substrate. Specifically, before the antenna is connected to the filter, the test is performed by connecting a measuring instrument to a connector connected to the filter via a cable.
After performing such a wired measurement, the antenna is connected to the filter.
【０００７】この背景には、無線機の発振スペクトラム
のエアインターフェースでの測定法が確立されていない
ことがある。[0007] Behind this, there is a case in which a method of measuring the oscillation spectrum of the radio device at the air interface has not been established.
【０００８】フィルタと一体化したアンテナを使用した
場合、アンテナとフィルタとの間に外部の測定器を接続
するための端子がないため、上述のような評価ができな
いという不都合がある。When an antenna integrated with a filter is used, there is no terminal for connecting an external measuring instrument between the antenna and the filter, so that the above-described evaluation cannot be performed.
【０００９】本発明はこのような課題を考慮してなされ
たものであり、フィルタとアンテナとを一体化すること
による効果（アンテナ装置の小型化や整合回路をなくす
ことができるという効果）と、フィルタを通じての検査
を容易に行うことができるという効果を両立させること
ができ、フィルタとアンテナとが一体化されたアンテナ
装置の普及に貢献することができるアンテナ装置及びア
ンテナ装置の製造方法を提供することを目的とする。The present invention has been made in view of such problems, and has the effects of integrating a filter and an antenna (the effect of reducing the size of an antenna device and eliminating a matching circuit); Provided are an antenna device and a method for manufacturing an antenna device, which can achieve both the effect of easily performing an inspection through a filter and can contribute to the spread of an antenna device in which a filter and an antenna are integrated. The purpose is to:
【００１０】[0010]
【課題を解決するための手段】本発明に係るアンテナ装
置は、入力電極と出力電極を有するフィルタ部と、前記
フィルタ部の出力電極に接続されるべき入力部電極を有
するアンテナ部とが誘電体基板中に一体的に形成され、
前記フィルタ部の出力電極に接続され、かつ、外部コネ
クタを接続するための第１の外部端子と、前記アンテナ
部の入力部電極に接続される第２の外部端子とを有して
構成される。An antenna device according to the present invention comprises a filter section having an input electrode and an output electrode, and an antenna section having an input section electrode to be connected to the output electrode of the filter section. Integrally formed in the substrate,
A first external terminal connected to an output electrode of the filter section and connected to an external connector, and a second external terminal connected to an input section electrode of the antenna section. .
【００１１】これにより、第１の外部端子に接続された
外部コネクタを介して放射スペクトラムを検査するため
の測定器を接続することができる。検査後においては、
第１及び第２の外部端子を電気的に接続することで、フ
ィルタ部の出力電極とアンテナ部の入力部電極とが電気
的に接続されることになり、フィルタ部とアンテナ部と
が接続されたアンテナ装置として機能することになる。Thus, a measuring instrument for inspecting a radiation spectrum can be connected via the external connector connected to the first external terminal. After the inspection,
By electrically connecting the first and second external terminals, the output electrode of the filter unit and the input unit electrode of the antenna unit are electrically connected, and the filter unit and the antenna unit are connected. Function as an antenna device.
【００１２】このように、本発明に係るアンテナ装置に
おいては、フィルタ部とアンテナ部とを一体化すること
による効果（アンテナ装置の小型化や整合回路をなくす
ことができるという効果）と、フィルタ部を通じての検
査を容易に行うことができるという効果を両立させるこ
とができ、フィルタ部とアンテナ部とが一体化されたア
ンテナ装置の普及に貢献することができる。As described above, in the antenna device according to the present invention, the effect of integrating the filter unit and the antenna unit (the effect of miniaturizing the antenna device and eliminating the matching circuit) and the filter unit Can be easily performed, thereby contributing to the spread of an antenna device in which a filter unit and an antenna unit are integrated.
【００１３】そして、前記構成において、少なくとも前
記第１の外部端子を前記誘電体基板の表面に形成し、前
記外部コネクタを前記誘電体基板上に設置するようにし
てもよい。この場合、外部コネクタの設置スペースを最
小にすることができ、アンテナ装置の小型化に寄与させ
ることができる。[0013] In the above configuration, at least the first external terminal may be formed on a surface of the dielectric substrate, and the external connector may be provided on the dielectric substrate. In this case, the installation space for the external connector can be minimized, which can contribute to downsizing of the antenna device.
【００１４】また、前記構成において、前記第１の外部
端子を、配線基板の主面に形成され、かつ、前記外部コ
ネクタが接続された第１の配線に電気的に接続し、前記
第２の外部端子を、前記配線基板の主面に形成された第
２の配線に電気的に接続するようにしてもよい。この場
合、前記第１及び第２の配線とを電気的に接続すること
で、アンテナ装置として機能することになる。In the above structure, the first external terminal is formed on a main surface of a wiring board, and is electrically connected to a first wiring to which the external connector is connected. The external terminal may be electrically connected to a second wiring formed on the main surface of the wiring board. In this case, by electrically connecting the first and second wirings, the antenna functions as an antenna device.
【００１５】あるいは、前記第１及び第２の外部端子と
を電気的に接続することで、アンテナ装置として機能さ
せるようにしてもよい。Alternatively, the antenna device may function as an antenna device by electrically connecting the first and second external terminals.
【００１６】また、前記構成において、前記フィルタ部
とアンテナ部を、前記誘電体基板上、平面的に互いに分
離された領域に形成するようにしてもよい。In the above configuration, the filter unit and the antenna unit may be formed on the dielectric substrate in regions separated from each other in a plane.
【００１７】また、前記フィルタ部の直上に誘電体層を
介してアンテナ部を形成するようにしてもよい。この場
合、アンテナ装置自体の小型化を有効に図ることができ
る。Further, an antenna section may be formed directly above the filter section via a dielectric layer. In this case, the size of the antenna device itself can be effectively reduced.
【００１８】次に、本発明に係るアンテナ装置の製造方
法は、入力電極と出力電極を有するフィルタ部と、前記
フィルタ部の出力電極に接続されるべき入力部電極を有
するアンテナ部とを誘電体基板中に一体的に形成する工
程と、前記フィルタ部の出力電極に接続され、かつ、外
部コネクタを接続するための第１の外部端子に外部コネ
クタを接続する工程と、前記第１の外部端子に接続され
た前記外部コネクタに測定器を接続して放射スペクトラ
ムを検査する工程と、検査後に、前記第１の外部端子と
前記アンテナ部の入力部電極に接続される第２の外部端
子とを電気的に接続する工程とを有することを特徴とす
る。Next, in the method of manufacturing an antenna device according to the present invention, a filter section having an input electrode and an output electrode, and an antenna section having an input section electrode to be connected to the output electrode of the filter section are formed of a dielectric material. A step of integrally forming in a substrate, a step of connecting an external connector to a first external terminal connected to an output electrode of the filter section and connecting an external connector, and a step of connecting the first external terminal A step of connecting a measuring instrument to the external connector connected to and inspecting a radiation spectrum; and, after the inspection, the first external terminal and a second external terminal connected to an input electrode of the antenna unit. Electrical connection step.
【００１９】これにより、フィルタとアンテナとを一体
化することによる効果（アンテナ装置の小型化や整合回
路をなくすことができるという効果）と、フィルタを通
じての検査を容易に行うことができるという効果を両立
させることができ、フィルタとアンテナとが一体化され
たアンテナ装置の普及に貢献することができる。As a result, the effect of integrating the filter and the antenna (the effect of reducing the size of the antenna device and eliminating the matching circuit) and the effect that the inspection through the filter can be easily performed. Both can be achieved, which can contribute to the spread of an antenna device in which a filter and an antenna are integrated.
【００２０】[0020]
【発明の実施の形態】以下、本発明に係るアンテナ装置
のいくつかの実施の形態例を図１〜図１２を参照しなが
ら説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of the antenna device according to the present invention will be described below with reference to FIGS.
【００２１】まず、第１の実施の形態に係るアンテナ装
置１０Ａは、図１に示すように、複数枚の板状の誘電体
層が積層、焼成されて構成された誘電体基板１２に、入
力電極１４と出力電極１６（図２参照）を有するフィル
タ部１８と、該フィルタ部１８の出力電極１６に接続さ
れるべき入力部電極２０（図２参照）を有するアンテナ
部２２とが一体的に形成されて構成されている。First, as shown in FIG. 1, an antenna device 10A according to the first embodiment has a structure in which a plurality of plate-like dielectric layers are laminated and fired, and a dielectric substrate 12 is provided with an input. The filter section 18 having the electrode 14 and the output electrode 16 (see FIG. 2) and the antenna section 22 having the input section electrode 20 (see FIG. 2) to be connected to the output electrode 16 of the filter section 18 are integrally formed. It is formed and configured.
【００２２】フィルタ部１８は、２本の片端開放型の１
／４波長共振素子３０ａ及び３０ｂがそれぞれ平行に形
成された構成を有し、アンテナ部２２は、誘電体基板１
２の上面に電極膜により蛇行形状に形成されたアンテナ
３２を有する。The filter section 18 has two one-end open type filters.
The quarter-wavelength resonance elements 30a and 30b are formed in parallel with each other.
2 has an antenna 32 formed in a meandering shape by an electrode film on the upper surface.
【００２３】また、この第１の実施の形態に係るアンテ
ナ装置１０Ａにおいては、フィルタ部１８の入力電極１
４に接続される入力端子３４と、フィルタ部１８の出力
電極１６に接続され、かつ、外部コネクタ３６を接続す
るための出力端子３８と、アンテナ部２２の入力部電極
２０に接続される入力端子４０とを有する。Further, in the antenna device 10A according to the first embodiment, the input electrode 1
4, an output terminal 38 connected to the output electrode 16 of the filter unit 18 and connected to an external connector 36, and an input terminal connected to the input unit electrode 20 of the antenna unit 22. 40.
【００２４】具体的には、前記誘電体基板１２は、図２
に示すように、上から順に、第１〜第６の誘電体層Ｓ１
〜Ｓ６が積み重ねられて構成されている。これら第１〜
第６の誘電体層Ｓ１〜Ｓ６は１枚あるいは複数枚の層に
て構成される。Specifically, the dielectric substrate 12 is formed as shown in FIG.
As shown in the figure, the first to sixth dielectric layers S1 are arranged in order from the top.
To S6 are stacked. These first to first
The sixth dielectric layers S1 to S6 are composed of one or a plurality of layers.
【００２５】アンテナ部１６とフィルタ部１４は、誘電
体基板１２上の、平面的に互いに分離された領域に形成
されており、アンテナ部１６は、第１の誘電体層Ｓ１の
上面に形成され、フィルタ部１４は、第２の誘電体層Ｓ
２から第６の誘電体層Ｓ６にかけて形成されている。The antenna section 16 and the filter section 14 are formed on a plane separated from each other on the dielectric substrate 12, and the antenna section 16 is formed on the upper surface of the first dielectric layer S1. , The filter section 14 includes a second dielectric layer S
The second to sixth dielectric layers S6 are formed.
【００２６】また、図１に示すように、誘電体基板１２
の外周面のうち、例えばその正面の中央部分にフィルタ
部１８の入力端子３４が形成され、右側面の中央から正
面寄りの部分にフィルタ部１８の出力端子３８が形成さ
れ、同じく右側面の中央から背面寄りの部分にアンテナ
部２２の入力端子４０が形成されている。Also, as shown in FIG.
The input terminal 34 of the filter unit 18 is formed at the center part of the front surface of the outer peripheral surface of the filter unit, and the output terminal 38 of the filter unit 18 is formed at the part closer to the front from the center of the right side surface. An input terminal 40 of the antenna section 22 is formed in a portion closer to the back than the input terminal 40.
【００２７】更に、誘電体基板１２の右側面及び左側面
においては、それぞれフィルタ部１４に対応した部分に
アース電極４２が形成されている。もちろん、前記フィ
ルタ部１８の出力端子３８とアース電極４２との間に
は、絶縁をとるための領域が確保されている。Further, on the right side surface and the left side surface of the dielectric substrate 12, ground electrodes 42 are formed at portions corresponding to the filter portions 14, respectively. Of course, an area for insulation is secured between the output terminal 38 of the filter section 18 and the ground electrode 42.
【００２８】そして、この第１の実施の形態に係るアン
テナ装置１０Ａを配線基板４４に実装したとき、フィル
タ部１８の入力端子３４と入力用配線４６とが電気的に
接続され、誘電体基板１２の側面に形成されたアース電
極４２と図示しない接地線とが電気的に接続されるよう
になっている。When the antenna device 10A according to the first embodiment is mounted on the wiring board 44, the input terminal 34 of the filter section 18 and the input wiring 46 are electrically connected, and the dielectric substrate 12 The ground electrode 42 formed on the side surface of the first electrode is electrically connected to a ground line (not shown).
【００２９】また、この第１の実施の形態に係るアンテ
ナ装置１０Ａにおいては、図２に示すように、第４の誘
電体層Ｓ４の一主面に２本の共振素子（第１及び第２の
共振素子３０ａ及び３０ｂ）が平行に形成されており、
これら共振素子３０ａ及び３０ｂは、各一方の端部が開
放端とされ、各他方の端部がアース電極４２に短絡され
ている。Further, in the antenna device 10A according to the first embodiment, as shown in FIG. 2, two resonance elements (the first and second resonance elements) are provided on one main surface of the fourth dielectric layer S4. Are formed in parallel with each other, and
One end of each of the resonance elements 30a and 30b is open, and the other end is short-circuited to the ground electrode 42.
【００３０】第１の共振素子３０ａには、一端がフィル
タ部１８の入力端子３４に接続された入力電極１４が直
接形成され、第２の共振素子３０ｂには、一端がフィル
タ部１８の出力端子３８に接続されたほぼＬ字状の出力
電極１６が直接形成されている。The input electrode 14 whose one end is connected to the input terminal 34 of the filter section 18 is directly formed on the first resonance element 30a, and the output terminal of the filter section 18 has one end connected to the second resonance element 30b. A substantially L-shaped output electrode 16 connected directly to 38 is formed directly.
【００３１】また、この第４の誘電体層Ｓ４の一主面に
は、フィルタ部１８の出力電極１６に隣接して入力部電
極２０が形成されている。この入力部電極２０の一端に
アンテナ部２２の入力端子４０が接続され、他端にアン
テナ３２の一端がスルーホール４８を通じて接続されて
いる。On one main surface of the fourth dielectric layer S4, an input electrode 20 is formed adjacent to the output electrode 16 of the filter section 18. One end of the input section electrode 20 is connected to an input terminal 40 of the antenna section 22, and the other end is connected to one end of an antenna 32 through a through hole 48.
【００３２】前記第４の誘電体層Ｓ４の上層に位置する
第３の誘電体層Ｓ３の一主面には、アース電極４２、フ
ィルタ部１８の入力端子３４及び出力端子３８並びにア
ンテナ部２２の入力端子４０等に対して電位的にフロー
ティング状態とされた結合調整電極５０が形成されてい
る。On one main surface of the third dielectric layer S3 located above the fourth dielectric layer S4, a ground electrode 42, the input terminal 34 and the output terminal 38 of the filter section 18, and the antenna section 22 A coupling adjustment electrode 50 is formed which is in a floating state with respect to the input terminal 40 and the like.
【００３３】この結合調整電極５０は、第１の共振素子
３０ａに対向する第１の電極本体５０ａと第２の共振素
子３０ｂに対向する第２の電極本体５０ｂとが、その間
に形成されたリード電極５０ｃによって電気的に接続さ
れた形状を有する。The coupling adjustment electrode 50 includes a lead having a first electrode body 50a facing the first resonance element 30a and a second electrode body 50b facing the second resonance element 30b. It has a shape electrically connected by the electrode 50c.
【００３４】また、前記第３の誘電体層Ｓ３の一主面に
は、２本の共振素子３０ａ及び３０ｂの各開放端に対向
してそれぞれ２つの内層アース電極５２ａ及び５２ｂが
形成されている。On one principal surface of the third dielectric layer S3, two inner-layer ground electrodes 52a and 52b are respectively formed opposite to the open ends of the two resonance elements 30a and 30b. .
【００３５】前記第３の誘電体層Ｓ３の上層に位置する
第２の誘電体層Ｓ２の一主面のうち、フィルタ部１８に
対応した部分に、外側面のアース電極４２に接続された
内層アース電極５４が形成されている。この内層アース
電極５４は、スルーホール４８の周辺部分や入力端子３
４及び出力端子３８の近傍部分が電極の未形成部分とな
っており、これらスルーホール４８や各種端子３４及び
３８との絶縁が確保されている。In one main surface of the second dielectric layer S2 located above the third dielectric layer S3, an inner layer connected to the ground electrode 42 on the outer surface is provided at a portion corresponding to the filter portion 18. An earth electrode 54 is formed. The inner-layer ground electrode 54 is connected to the peripheral portion of the through hole 48 and the input terminal 3.
The portion near the electrode 4 and the output terminal 38 is a portion where no electrode is formed, and insulation with these through holes 48 and the various terminals 34 and 38 is ensured.
【００３６】前記第４の誘電体層Ｓ４の下層に位置する
第５の誘電体層Ｓ５の一主面には、２本の共振素子３０
ａ及び３０ｂの各開放端に対向してそれぞれ２つの内層
アース電極５６ａ及び５６ｂが形成されている。On one main surface of the fifth dielectric layer S5 located below the fourth dielectric layer S4, two resonance elements 30 are provided.
Two inner-layer ground electrodes 56a and 56b are respectively formed opposite to the open ends of the inner electrodes a and 30b.
【００３７】前記第５の誘電体層Ｓ５の下層に位置する
第６の誘電体層Ｓ６の一主面のうち、フィルタ部１８に
対応した部分に、外側面のアース電極４２に接続された
内層アース電極５８が形成されている。この内層アース
電極５８は、入力端子３４や出力端子３８の近傍部分が
電極の未形成部分となっており、各種端子３４及び３８
との絶縁が確保されている。In one main surface of the sixth dielectric layer S6 located below the fifth dielectric layer S5, an inner layer connected to the ground electrode 42 on the outer surface is provided at a portion corresponding to the filter portion 18. An earth electrode 58 is formed. The inner layer ground electrode 58 has a portion near the input terminal 34 and the output terminal 38 where no electrode is formed.
Insulation with is secured.
【００３８】そして、この第１の実施の形態に係るアン
テナ装置１０Ａにおいては、図１に示すように、フィル
タ部１８の出力端子３８とアンテナ部２２の入力端子４
０が共に、誘電体基板１２の右側面から上面にかけて形
成され、特に、フィルタ部１８の出力端子３８のうち、
誘電体基板１２の上面に形成された部分３８ａには、外
部コネクタ３６が接続されている。この外部コネクタ３
６には、放射スペクトラムを検査する図示しない測定器
が接続されるようになっている。In the antenna device 10A according to the first embodiment, as shown in FIG. 1, the output terminal 38 of the filter section 18 and the input terminal 4 of the antenna section 22 are provided.
0 are both formed from the right side surface to the upper surface of the dielectric substrate 12, and among the output terminals 38 of the filter unit 18,
An external connector 36 is connected to a portion 38 a formed on the upper surface of the dielectric substrate 12. This external connector 3
A measuring instrument (not shown) for inspecting the radiation spectrum is connected to 6.
【００３９】測定器による前記放射スペクトラムの検査
が終了した後は、図４に示すように、フィルタ部１８の
出力端子３８とアンテナ部２２の入力端子４０とが例え
ば電極膜の形成や半田付けによって電気的に接続され
る。図４の例では、半田層６０を形成した場合を示す。
フィルタ部１８の出力端子３８とアンテナ部２２の入力
端子４０とを電気的に接続する他の例としては、例えば
バイパスコンデンサを接続するようにしてもよい。After the radiation spectrum inspection by the measuring instrument is completed, as shown in FIG. 4, the output terminal 38 of the filter section 18 and the input terminal 40 of the antenna section 22 are connected by, for example, forming an electrode film or soldering. Electrically connected. FIG. 4 shows an example in which the solder layer 60 is formed.
As another example of electrically connecting the output terminal 38 of the filter unit 18 and the input terminal 40 of the antenna unit 22, for example, a bypass capacitor may be connected.
【００４０】ここで、フィルタ部１８の出力端子３８と
アンテナ部２２の入力端子４０とが電気的に接続された
段階での各電極の電気的な結合について図３の等価回路
図を参照しながら説明する。Here, the electrical connection of each electrode at the stage when the output terminal 38 of the filter section 18 and the input terminal 40 of the antenna section 22 are electrically connected will be described with reference to the equivalent circuit diagram of FIG. explain.
【００４１】フィルタ部１８の入力端子３４と接地間に
第１及び第２の共振素子３０ａ及び３０ｂによる２つの
共振器１００ａ及び１００ｂがそれぞれ並列に接続さ
れ、更に、これら隣接する共振器１００ａ及び１００ｂ
同士は互いに誘導結合され、これにより、等価回路上で
は、隣接する共振器１００ａ及び１００ｂ間にインダク
タンスＬが挿入されたかたちとなる。The two resonators 100a and 100b of the first and second resonance elements 30a and 30b are connected in parallel between the input terminal 34 of the filter section 18 and the ground, and furthermore, the adjacent resonators 100a and 100b
The components are inductively coupled to each other, whereby an inductance L is inserted between the adjacent resonators 100a and 100b on the equivalent circuit.
【００４２】また、第１の共振素子３０ａと第２の共振
素子３０ｂ間には、結合調整電極５０による合成容量Ｃ
が形成され、各共振器１００ａ及び１００ｂ間には、イ
ンダクタンスＬと容量ＣによるＬＣ並列共振回路が接続
されたかたちとなる。The combined capacitance C of the coupling adjustment electrode 50 is provided between the first resonance element 30a and the second resonance element 30b.
Is formed, and an LC parallel resonance circuit including an inductance L and a capacitance C is connected between the resonators 100a and 100b.
【００４３】また、第１及び第２の共振素子３０ａ及び
３０ｂの各開放端と対応する内層アース電極（５２ａ、
５２ａ）及び（５６ｂ、５６ｂ）との間にはそれぞれ容
量（合成容量）Ｃ１及びＣ２が形成される。Also, the inner-layer ground electrodes (52a, 52a, 52b, 52b) corresponding to the open ends of the first and second resonance elements 30a and 30b, respectively.
Capacitors (combined capacitances) C1 and C2 are formed between (52a) and (56b, 56b), respectively.
【００４４】そして、フィルタ部１８の出力端子３８と
アンテナ部２２の入力端子４０とが電気的に接続される
ことによって、第２の共振器１００ｂとアンテナ３２と
が電気的に接続されることになる。By electrically connecting the output terminal 38 of the filter section 18 and the input terminal 40 of the antenna section 22, the second resonator 100b and the antenna 32 are electrically connected. Become.
【００４５】次に、第１の実施の形態に係るアンテナ装
置１０Ａの製造方法について説明する。この第１の実施
の形態に係るアンテナ装置１０Ａにおいては、各種電極
を誘電体基板１２内に内装（内蔵）することから、これ
らの電極は、損失の少ない比抵抗の低いものを用いるこ
とが好ましい。Next, a method of manufacturing the antenna device 10A according to the first embodiment will be described. In the antenna device 10A according to the first embodiment, since various electrodes are provided (built-in) in the dielectric substrate 12, it is preferable to use those electrodes having low loss and low specific resistance. .
【００４６】使用する誘電体としては、信頼性が高く、
誘電率の選択の幅が広いもの、即ち、セラミック誘電体
が好ましい。この場合、各フィルタの小型化を有効に図
ることができる。The dielectric used is highly reliable.
Those having a wide range of choices of permittivity, that is, ceramic dielectrics are preferable. In this case, the size of each filter can be effectively reduced.
【００４７】また、製造方法としては、セラミック粉末
の成形体に導体ペーストを塗布して電極パターンを形成
した後、各々の成形体を積層し、更に焼成して緻密化
し、導体がその内部に積層された状態でセラミック誘電
体と一体化することが望ましい。Further, as a manufacturing method, after a conductor paste is applied to a ceramic powder compact to form an electrode pattern, each compact is laminated, and further baked to densify, and the conductor is laminated inside the compact. It is desirable to integrate with the ceramic dielectric in the state of being performed.
【００４８】Ａｇ系やＣｕ系の導体を使用する場合に
は、それらの導体の融点が低く、通常の誘電体材料と同
時焼成することは困難であることから、それらの融点
（１１００℃以下）よりも低い温度で焼成され得る誘電
体材料を用いる必要がある。When Ag-based or Cu-based conductors are used, their melting points are low (1100 ° C. or less) because they have low melting points and are difficult to co-fire with ordinary dielectric materials. It is necessary to use a dielectric material that can be fired at a lower temperature.
【００４９】また、マイクロ波フィルタとしてのデバイ
スの性格上、形成される共振回路の共振周波数の温度特
性（温度係数）が±５０ｐｐｍ／℃以下になるような誘
電体材料が好ましい。In view of the characteristics of a device as a microwave filter, a dielectric material is preferable which has a temperature characteristic (temperature coefficient) of a resonance frequency of a formed resonance circuit of ± 50 ppm / ° C. or less.
【００５０】このような誘電体材料としては、例えばコ
ージェライト系ガラス粉末とＴｉＯ 2 粉末及びＮｄ2 Ｔ
ｉ2 Ｏ7 粉末との混合物等のガラス系のものや、ＢａＯ
−ＴｉＯ2 −Ｒｅ2 Ｏ3 −Ｂｉ2 Ｏ3 系組成（Ｒｅ：レ
アアース成分）に若干のガラス形成成分やガラス粉末を
添加したもの、酸化バリウム−酸化チタン−酸化ネオジ
ウム系誘電体磁気組成物粉末に若干のガラス粉末を添加
したものがある。As such a dielectric material, for example,
-Gelite glass powder and TiO TwoPowder and NdTwoT
iTwoO7Glass-based materials such as mixtures with powders, BaO
-TiOTwo-ReTwoOThree-BiTwoOThreeSystem composition (Re:
Some glass-forming ingredients and glass powder
Barium oxide-titanium oxide-neodymium oxide added
Some glass powder is added to the powder of the dielectric magnetic composition
There is something.
【００５１】一例として、ＭｇＯ（１８ｗｔ％）−Ａｌ
2 Ｏ3 （３７ｗｔ％）−ＳｉＯ2 （３７ｗｔ％）−Ｂ2
Ｏ3 （５ｗｔ％）−ＴｉＯ2 （３ｗｔ％）なる組成のガ
ラス粉末７３ｗｔ％と、市販のＴｉＯ2 粉末１７ｗｔ％
と、Ｎｄ2 Ｔｉ2 Ｏ7 粉末１０ｗｔ％を十分に混合し、
混合粉末を得る。As an example, MgO (18 wt%)-Al
2 O 3 (37 wt%)-SiO 2 (37 wt%)-B 2
73 wt% of glass powder having a composition of O 3 (5 wt%)-TiO 2 (3 wt%) and 17 wt% of commercially available TiO 2 powder
And 10% by weight of Nd 2 Ti 2 O 7 powder are sufficiently mixed,
Obtain a mixed powder.
【００５２】なお、Ｎｄ2 Ｔｉ2 Ｏ7 粉末は、Ｎｄ2 Ｏ
3 粉末とＴｉＯ2 粉末を１２００℃で仮焼した後、粉砕
して得たものを使用した。Note that Nd 2 Ti 2 O 7 powder is Nd 2 O
After calcining the 3 powder and the TiO 2 powder at 1200 ° C., those obtained by pulverization were used.
【００５３】そして、第１の実施の形態に係るアンテナ
装置１０Ａの製造方法においては、図５のステップＳ１
において、前記混合粉末に、アクリル系有機バインダ、
可塑剤、トルエン及びアルコール系の溶剤を加え、アル
ミナ玉石で十分に混合してスラリーとした。そして、こ
のスラリーを用いて、ドクターブレード法により、０．
２ｍｍ〜０．５ｍｍの厚みのグリーンテープを作製す
る。Then, in the method of manufacturing the antenna device 10A according to the first embodiment, step S1 in FIG.
In the mixed powder, an acrylic organic binder,
A plasticizer, toluene and an alcohol-based solvent were added, and the mixture was sufficiently mixed with alumina cobblestone to form a slurry. Then, using this slurry, a doctor blade method was used to form 0.1%.
A green tape having a thickness of 2 mm to 0.5 mm is prepared.
【００５４】次に、ステップＳ２において、前記グリー
ンテープを所望の形状に打抜き加工する。Next, in step S2, the green tape is punched into a desired shape.
【００５５】次に、ステップＳ３において、銀ペースト
を導体ペーストとして、図１及び図２に示した導体パタ
ーンをそれぞれ印刷し、次いで、ステップＳ４におい
て、これら導体パターンが印刷されたグリーンテープの
厚みを調整するために必要なグリーンテープを重ねて図
１及び図２の構造となるように重ね、積層した後、例え
ば９００℃で焼成して、誘電体基板１２を作製する。Next, in step S3, using the silver paste as the conductor paste, the conductor patterns shown in FIGS. 1 and 2 are printed, respectively. Then, in step S4, the thickness of the green tape on which these conductor patterns are printed is determined. The green tapes necessary for the adjustment are stacked and stacked so as to have the structure shown in FIGS. 1 and 2, and then fired at, for example, 900 ° C. to produce the dielectric substrate 12.
【００５６】次に、ステップＳ５において、フィルタ部
１８の出力端子３８に例えば半田付け等によって外部コ
ネクタ３６を接続する。次いで、ステップＳ６におい
て、前記フィルタ部１８の出力端子３８に接続された外
部コネクタ３６に図示しない測定器のケーブルを接続し
て、当該アンテナ装置１０Ａの放射スペクトラムを検査
する。Next, in step S5, an external connector 36 is connected to the output terminal 38 of the filter section 18 by, for example, soldering. Next, in step S6, a cable of a measuring instrument (not shown) is connected to the external connector 36 connected to the output terminal 38 of the filter section 18, and the radiation spectrum of the antenna device 10A is inspected.
【００５７】検査の結果、規格を満たすアンテナ装置１
０Ａについて、フィルタ部１８の出力端子３８とアンテ
ナ部２２の入力端子４０を電気的に接続することによ
り、この第１の実施の形態に係るアンテナ装置１０Ａが
完成する。As a result of the inspection, the antenna device 1 that meets the standard
At 0A, the output terminal 38 of the filter unit 18 and the input terminal 40 of the antenna unit 22 are electrically connected to complete the antenna device 10A according to the first embodiment.
【００５８】このように、第１の実施の形態に係るアン
テナ装置１０Ａにおいては、フィルタ部１８とアンテナ
部２２とを誘電体基板１２中に一体的に形成したので、
アンテナ装置１０Ａ自体のサイズを小型化することが可
能となる。As described above, in the antenna device 10A according to the first embodiment, since the filter section 18 and the antenna section 22 are formed integrally in the dielectric substrate 12,
The size of the antenna device 10A itself can be reduced.
【００５９】また、この第１の実施の形態に係るアンテ
ナ装置１０Ａにおいては、フィルタ部１８の出力電極１
６に接続され、かつ、外部コネクタ３６を接続するため
の出力端子３８と、アンテナ部２２の入力部電極２０に
接続される入力端子４０とを設けるようにしたので、前
記出力端子３８に接続された外部コネクタ３６を介して
放射スペクトラムを検査するための測定器を接続するこ
とができる。検査後においては、前記出力端子３８と入
力端子４０とを電気的に接続することで、フィルタ部１
８の出力電極１６とアンテナ部２２の入力部電極２０と
が電気的に接続されることになり、フィルタ部１８とア
ンテナ部２２とが電気的に接続されたアンテナ装置１０
Ａとして機能することになる。Further, in the antenna device 10A according to the first embodiment, the output electrode 1
6 and an input terminal 40 connected to the external electrode 36 and an input terminal 40 connected to the input section electrode 20 of the antenna section 22. A measuring instrument for inspecting a radiation spectrum can be connected via the external connector 36. After the inspection, by electrically connecting the output terminal 38 and the input terminal 40, the filter unit 1 is connected.
8 is electrically connected to the input electrode 20 of the antenna unit 22 and the antenna device 10 in which the filter unit 18 and the antenna unit 22 are electrically connected.
It will function as A.
【００６０】このように、第１の実施の形態に係るアン
テナ装置１０Ａにおいては、フィルタ部１８とアンテナ
部２２とを一体化することによる効果（アンテナ装置１
０Ａの小型化や整合回路をなくすことができるという効
果）と、フィルタ部１８を通じての検査を容易に行うこ
とができるという効果を両立させることができ、フィル
タ部１８とアンテナ部２２とが一体化されたアンテナ装
置１０Ａの普及に貢献することができる。As described above, in the antenna device 10A according to the first embodiment, the effect of integrating the filter section 18 and the antenna section 22 (the antenna apparatus 1A).
0A and the effect that the matching circuit can be eliminated) and the effect that the inspection through the filter section 18 can be easily performed can be compatible, and the filter section 18 and the antenna section 22 are integrated. It is possible to contribute to the spread of the antenna device 10A.
【００６１】特に、この第１の実施の形態に係るアンテ
ナ装置１０Ａにおいては、フィルタ部１８の出力端子３
８を誘電体基板１２の右側面から上面にかけて形成し、
前記外部コネクタ３６を誘電体基板１２上に設置するよ
うにしたので、外部コネクタ３６の設置スペースを最小
にすることができ、アンテナ装置１０Ａの小型化に寄与
させることができる。In particular, in the antenna device 10A according to the first embodiment, the output terminal 3 of the filter
8 are formed from the right side surface to the upper surface of the dielectric substrate 12,
Since the external connector 36 is provided on the dielectric substrate 12, the installation space for the external connector 36 can be minimized, and the antenna device 10A can be reduced in size.
【００６２】次に、第１の実施の形態に係るアンテナ装
置１０Ａのいくつかの変形例について図６〜図１０を参
照しながら説明する。なお、図１〜図３と対応するもの
については同符号を記してその重複説明を省略する。Next, some modifications of the antenna device 10A according to the first embodiment will be described with reference to FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description thereof will be omitted.
【００６３】まず、第１の変形例に係るアンテナ装置１
０Ａａは、図６に示すように、第１の実施の形態に係る
アンテナ装置１０Ａ（図１参照）とほぼ同じ構成を有す
るが、フィルタ部１８の直上にアンテナ部２２が形成さ
れている点で異なる。First, the antenna device 1 according to the first modification example
0Aa has almost the same configuration as the antenna device 10A (see FIG. 1) according to the first embodiment, as shown in FIG. 6, except that the antenna unit 22 is formed immediately above the filter unit 18. different.
【００６４】この第１の変形例に係るアンテナ装置１０
Ａａでは、誘電体基板１２の外周面のうち、フィルタ部
１８の入力端子３４及び出力端子３８並びにアンテナ部
２２の入力端子４０を除く外側面にアース電極４２が形
成されている。もちろん、これら各種端子３４、３８及
び４０とアース電極４２との間には、絶縁をとるための
領域が確保されている。The antenna device 10 according to the first modified example
In Aa, a ground electrode 42 is formed on the outer peripheral surface of the dielectric substrate 12 except for the input terminal 34 and the output terminal 38 of the filter unit 18 and the input terminal 40 of the antenna unit 22. Of course, an area for insulation is secured between these various terminals 34, 38 and 40 and the ground electrode 42.
【００６５】また、図７に示すように、第２の誘電体層
Ｓ２の一主面に形成される内層アース電極５４は、アン
テナ部２２とフィルタ部１８との間に介在するように形
成され、この場合も、スルーホール４８の周辺部分やフ
ィルタ部１８の入力端子３４及び出力端子３８並びにア
ンテナ部２２の入力端子４０の近傍部分が内層アース電
極５４の未形成部分となっており、スルーホール４８や
各種端子３４、３８及び４０との絶縁が確保されてい
る。As shown in FIG. 7, an inner-layer ground electrode 54 formed on one main surface of the second dielectric layer S2 is formed so as to be interposed between the antenna section 22 and the filter section 18. Also in this case, the peripheral portion of the through hole 48, the input terminal 34 and the output terminal 38 of the filter portion 18, and the portion near the input terminal 40 of the antenna portion 22 are portions where the inner-layer ground electrode 54 is not formed. 48 and various terminals 34, 38 and 40 are insulated.
【００６６】更に、この第１の変形例に係るアンテナ装
置１０Ａａでは、第１の誘電体層Ｓ１として、第２〜第
６の誘電体層Ｓ２〜Ｓ６の誘電率よりも低い誘電率を有
する材料を用いるようにしている。これにより、アンテ
ナ３２の帯域幅を広くすることができる。Further, in the antenna device 10Aa according to the first modification, as the first dielectric layer S1, a material having a dielectric constant lower than that of the second to sixth dielectric layers S2 to S6 is used. Is used. Thereby, the bandwidth of the antenna 32 can be widened.
【００６７】この第１の変形例に係るアンテナ装置１０
Ａａにおいては、第１の実施の形態に係るアンテナ装置
１０Ａと同様に、フィルタ部１８とアンテナ部２２とを
一体化することによる効果と、フィルタ部１８を通じて
の検査を容易に行うことができるという効果を両立させ
ることができる。特に、フィルタ部１８の直上にアンテ
ナ部２２を形成するようにしたので、アンテナ装置１０
Ａａ自体の小型化をより一層図ることができる。The antenna device 10 according to the first modified example
In Aa, similarly to the antenna device 10A according to the first embodiment, the effect of integrating the filter unit 18 and the antenna unit 22 and the inspection through the filter unit 18 can be easily performed. Both effects can be achieved. In particular, since the antenna section 22 is formed immediately above the filter section 18, the antenna device 10
The size of Aa itself can be further reduced.
【００６８】次に、第２の変形例に係るアンテナ装置１
０Ａｂは、図８に示すように、第１の実施の形態に係る
アンテナ装置１０Ａとほぼ同様の構成を有するが、第２
〜第５の誘電体層Ｓ２〜Ｓ５に形成されるフィルタ部１
８の電極パターンが一部異なる。Next, the antenna device 1 according to the second modification example
As shown in FIG. 8, the 0Ab has substantially the same configuration as the antenna device 10A according to the first embodiment.
-Filter part 1 formed on fifth dielectric layers S2 to S5
8 are partially different.
【００６９】具体的には、まず、第２の誘電体層Ｓ２の
一主面には、内層アース電極５４に加えて、一端がアン
テナ部２２の入力端子４０に接続され、他端がアンテナ
３２の一端と容量結合される入力用電極１１０が形成さ
れている。Specifically, first, in addition to the inner-layer ground electrode 54, one end is connected to the input terminal 40 of the antenna section 22, and the other end is connected to the antenna 32 on one main surface of the second dielectric layer S 2. Is formed with an input electrode 110 capacitively coupled to one end of the input electrode 110.
【００７０】第３の誘電体層Ｓ３の一主面には、第１及
び第２の共振素子３０ａ及び３０ｂに対応して形成され
た内層アース電極５２ａ及び５２ｂに加えて、一端がフ
ィルタ部１８の入力端子３４に接続され、他端が第１の
共振素子３０ａと容量結合される入力用電極１１２と、
一端がフィルタ部１８の出力端子３８に接続され、他端
が第２の共振素子３０ｂと容量結合される出力用電極１
１４が形成されている。従って、第４の誘電体層Ｓ４の
一主面には、第１及び第２の共振素子３０ａ及び３０ｂ
のみが形成されたかたちとなっている。On one main surface of the third dielectric layer S3, in addition to the inner-layer earth electrodes 52a and 52b formed corresponding to the first and second resonance elements 30a and 30b, one end has a filter portion 18a. And an input electrode 112 whose other end is capacitively coupled to the first resonance element 30a.
The output electrode 1 whose one end is connected to the output terminal 38 of the filter section 18 and whose other end is capacitively coupled to the second resonance element 30b
14 are formed. Therefore, one main surface of the fourth dielectric layer S4 is provided with the first and second resonance elements 30a and 30b.
Only the form is formed.
【００７１】第５の誘電体層Ｓ５の一主面には、第１及
び第２の共振素子３０ａ及び３０ｂに対応して形成され
た内層アース電極５６ａ及び５６ｂに加えて、結合調整
電極５０が形成されている。On one main surface of the fifth dielectric layer S5, in addition to the inner-layer ground electrodes 56a and 56b formed corresponding to the first and second resonance elements 30a and 30b, a coupling adjustment electrode 50 is provided. Is formed.
【００７２】つまり、この第２の変形例に係るアンテナ
装置１０Ａｂにおいては、フィルタ部１８の出力端子３
８とアンテナ部２２の入力端子４０を電気的に接続する
ことによって、図９の等価回路図にも示すように、フィ
ルタ部１８の入力端子３４と第１の共振素子３０ａとの
間に入力用電極１１２による静電容量Ｃ３が形成され、
第２の共振素子３０ｂとアンテナ３２との間に入力用電
極１１０による静電容量Ｃ４が形成されたかたちとな
る。That is, in the antenna device 10Ab according to the second modification, the output terminal 3
8 and the input terminal 40 of the antenna unit 22, an input terminal between the input terminal 34 of the filter unit 18 and the first resonance element 30 a is connected as shown in the equivalent circuit diagram of FIG. A capacitance C3 is formed by the electrode 112,
The capacitance C4 is formed between the second resonance element 30b and the antenna 32 by the input electrode 110.
【００７３】この第２の変形例に係るアンテナ装置１０
Ａｂにおいても、フィルタ部１８とアンテナ部２２とを
一体化することによる効果と、フィルタ部を通じての検
査を容易に行うことができるという効果を両立させるこ
とができる。The antenna device 10 according to the second modified example
Also in the case of Ab, the effect of integrating the filter unit 18 and the antenna unit 22 and the effect that inspection through the filter unit can be easily performed can be compatible.
【００７４】次に、第３の変形例に係るアンテナ装置１
０Ａｃについて図１０を参照しながら説明する。Next, the antenna device 1 according to the third modification example
0Ac will be described with reference to FIG.
【００７５】この第３の変形例に係るアンテナ装置１０
Ａｃは、図１０に示すように、第２の変形例に係るアン
テナ装置１０Ａｂとほぼ同様の構成を有するが、第１の
変形例に係るアンテナ装置１０Ａａと同様に、フィルタ
部１８の直上にアンテナ部２２が形成されている点で異
なる。The antenna device 10 according to the third modification example
Ac has substantially the same configuration as the antenna device 10Ab according to the second modification, as shown in FIG. 10, but has an antenna directly above the filter unit 18 similarly to the antenna device 10Aa according to the first modification. The difference is that the portion 22 is formed.
【００７６】この第３の変形例に係るアンテナ装置１０
Ａｃにおいても、図６に示すように、誘電体基板１２の
外周面のうち、フィルタ部１８の入力端子３４及び出力
端子３８並びにアンテナ部２２の入力端子４０を除く外
側面にアース電極４２が形成されている。もちろん、こ
れら各種端子３４、３８及び４０とアース電極４２との
間には、絶縁をとるための領域が確保されている。The antenna device 10 according to the third modification example
Also in Ac, as shown in FIG. 6, a ground electrode 42 is formed on the outer peripheral surface of the dielectric substrate 12 excluding the input terminal 34 and the output terminal 38 of the filter unit 18 and the input terminal 40 of the antenna unit 22. Have been. Of course, an area for insulation is secured between these various terminals 34, 38 and 40 and the ground electrode 42.
【００７７】また、図１０に示すように、第２の誘電体
層Ｓ２の一主面に形成される内層アース電極５４は、ア
ンテナ部２２とフィルタ部１８との間に介在するように
形成され、この場合、フィルタ部１８の入力端子３８と
アンテナ部２２の入力用電極１１０の周辺部分が内層ア
ース電極５４の未形成部分となっており、前記入力端子
３４や入力用電極１１０との絶縁が確保されている。As shown in FIG. 10, an inner-layer ground electrode 54 formed on one main surface of the second dielectric layer S2 is formed so as to be interposed between the antenna section 22 and the filter section 18. In this case, the peripheral portion of the input terminal 38 of the filter portion 18 and the input electrode 110 of the antenna portion 22 is a portion where the inner layer earth electrode 54 is not formed, and the insulation between the input terminal 34 and the input electrode 110 is maintained. Is secured.
【００７８】この第３の変形例に係るアンテナ装置１０
Ａｃにおいては、第１の変形例に係るアンテナ装置１０
Ａａと同様に、フィルタ部１８とアンテナ部２２とを一
体化することによる効果と、フィルタ部１８を通じての
検査を容易に行うことができるという効果を両立させる
ことができ、特に、フィルタ部１８の直上にアンテナ部
２２を形成するようにしたので、更にアンテナ装置１０
Ａｃ自体の小型化を図ることができる。The antenna device 10 according to the third modification example
In Ac, the antenna device 10 according to the first modification example
Similarly to Aa, the effect of integrating the filter unit 18 and the antenna unit 22 can be compatible with the effect that inspection through the filter unit 18 can be easily performed. Since the antenna section 22 is formed immediately above, the antenna device 10
Ac itself can be reduced in size.
【００７９】次に、第２の実施の形態に係るアンテナ装
置１０Ｂについて図１１及び図１２を参照しながら説明
する。なお、図１と対応するものについては同符号を付
してその重複説明を省略する。Next, an antenna device 10B according to a second embodiment will be described with reference to FIGS. Components corresponding to those in FIG. 1 are denoted by the same reference numerals, and redundant description is omitted.
【００８０】この第２の実施の形態に係るアンテナ装置
１０Ｂは、図１１に示すように、第１の実施の形態に係
るアンテナ装置１０Ａ（図１参照）とほぼ同様の構成を
有するが、フィルタ部１８の出力端子３８及びアンテナ
部２２の入力端子４０が誘電体基板１２の側面から上面
にわたって形成されておらず、側面のみに形成されてい
る点と、図示しない測定器を接続するための外部コネク
タ３６が誘電体基板１２上ではなく、配線基板４４上に
接続されている点で異なる。As shown in FIG. 11, the antenna device 10B according to the second embodiment has substantially the same configuration as the antenna device 10A according to the first embodiment (see FIG. 1). The output terminal 38 of the unit 18 and the input terminal 40 of the antenna unit 22 are not formed from the side surface to the top surface of the dielectric substrate 12, but are formed only on the side surface, and an external terminal for connecting a measuring device (not shown). The difference is that the connector 36 is connected not on the dielectric substrate 12 but on the wiring substrate 44.
【００８１】具体的には、配線基板４４は、この第２の
実施の形態に係るアンテナ装置１０Ｂを該配線基板４４
に実装したとき、フィルタ部１８の出力端子３８が接続
される第１の配線１２０と、アンテナ部２２の入力端子
４０が接続される第２の配線１２２を有し、前記第１の
配線１２０には、外部コネクタ３６が例えば半田付けに
て接続されている。Specifically, the wiring board 44 is formed by connecting the antenna device 10B according to the second embodiment to the wiring board 44.
When the first wiring 120 is mounted on the first wiring 120, the first wiring 120 to which the output terminal 38 of the filter unit 18 is connected and the second wiring 122 to which the input terminal 40 of the antenna unit 22 is connected are provided. Is connected to the external connector 36 by, for example, soldering.
【００８２】そして、この第２の実施の形態に係るアン
テナ装置１０Ｂにおいても、放射スペクトラムの検査時
において、前記第１の配線１２０に接続された外部コネ
クタ３６に測定器が接続される。Also, in the antenna device 10 B according to the second embodiment, a measuring instrument is connected to the external connector 36 connected to the first wiring 120 when inspecting the radiation spectrum.
【００８３】前記測定器による放射スペクトラムの検査
が終了した後は、図１２に示すように、第１の配線１２
０と第２の配線１２０とが例えば電極膜の形成や半田付
けによって電気的に接続される。図１２の例では、半田
層６０を形成した場合を示す。この場合も、第１の配線
１２０と第２の配線１２２とを電気的に接続する他の例
としては、例えばバイパスコンデンサを接続するように
してもよい。After the inspection of the radiation spectrum by the measuring instrument is completed, as shown in FIG.
0 and the second wiring 120 are electrically connected, for example, by forming an electrode film or soldering. FIG. 12 shows an example in which the solder layer 60 is formed. Also in this case, as another example of electrically connecting the first wiring 120 and the second wiring 122, for example, a bypass capacitor may be connected.
【００８４】この第２の実施の形態に係るアンテナ装置
１０Ｂにおいては、第１の実施の形態に係るアンテナ装
置１０Ａと同様に、フィルタ部１８とアンテナ部２２と
を一体化することによる効果と、フィルタ部１８を通じ
ての検査を容易に行うことができるという効果を両立さ
せることができ、フィルタ部１８とアンテナ部２２とが
一体化されたアンテナ装置１０Ｂの普及に貢献すること
ができる。In the antenna device 10B according to the second embodiment, similar to the antenna device 10A according to the first embodiment, the effects obtained by integrating the filter unit 18 and the antenna unit 22 are as follows: It is possible to achieve both the effect that the inspection through the filter unit 18 can be easily performed and contribute to the spread of the antenna device 10B in which the filter unit 18 and the antenna unit 22 are integrated.
【００８５】また、この第２の実施の形態に係るアンテ
ナ装置１０Ｂにおいても、上述した製造方法を採用する
ことができる。また、上述した第１〜第３の変形例に係
るアンテナ装置１０Ａａ〜１０Ａｃと同様の構成を採用
することができる。Further, also in the antenna device 10B according to the second embodiment, the above-described manufacturing method can be adopted. Further, the same configuration as the antenna devices 10Aa to 10Ac according to the above-described first to third modifications can be adopted.
【００８６】なお、この発明に係るアンテナ装置及びア
ンテナ装置の製造方法は、上述の実施の形態に限らず、
この発明の要旨を逸脱することなく、種々の構成を採り
得ることはもちろんである。Note that the antenna device and the method of manufacturing the antenna device according to the present invention are not limited to the above-described embodiment.
Of course, various configurations can be adopted without departing from the gist of the present invention.
【００８７】[0087]
【発明の効果】以上説明したように、本発明に係るアン
テナ装置及びアンテナ装置の製造方法によれば、フィル
タとアンテナとを一体化することによる効果（アンテナ
装置の小型化や整合回路をなくすことができるという効
果）と、フィルタを通じての検査を容易に行うことがで
きるという効果を両立させることができ、フィルタとア
ンテナとが一体化されたアンテナ装置の普及に貢献する
ことができる。As described above, according to the antenna device and the method of manufacturing the antenna device according to the present invention, the effect of integrating the filter and the antenna (to reduce the size of the antenna device and eliminate the matching circuit). And an effect that inspection through a filter can be easily performed, thereby contributing to the spread of an antenna device in which a filter and an antenna are integrated.
【図１】第１の実施の形態に係るアンテナ装置の構成を
示す斜視図である。FIG. 1 is a perspective view illustrating a configuration of an antenna device according to a first embodiment.
【図２】第１の実施の形態に係るアンテナ装置の構成を
示す分解斜視図である。FIG. 2 is an exploded perspective view showing a configuration of the antenna device according to the first embodiment.
【図３】第１の実施の形態に係るアンテナ装置の構成を
示す等価回路図である。FIG. 3 is an equivalent circuit diagram showing a configuration of the antenna device according to the first embodiment.
【図４】第１の実施の形態に係るアンテナ装置におい
て、フィルタ部の出力端子とアンテナ部の入力端子とを
電気的に接続した状態を示す斜視図である。FIG. 4 is a perspective view showing a state in which the output terminal of the filter unit and the input terminal of the antenna unit are electrically connected in the antenna device according to the first embodiment.
【図５】第１の実施の形態に係るアンテナ装置の製造方
法を示す工程ブロック図である。FIG. 5 is a process block diagram illustrating a method for manufacturing the antenna device according to the first embodiment.
【図６】第１の実施の形態に係るアンテナ装置の第１の
変形例の構成を示す斜視図である。FIG. 6 is a perspective view showing a configuration of a first modified example of the antenna device according to the first embodiment.
【図７】第１の実施の形態に係るアンテナ装置の第１の
変形例の構成を示す分解斜視図である。FIG. 7 is an exploded perspective view showing a configuration of a first modified example of the antenna device according to the first embodiment.
【図８】第１の実施の形態に係るアンテナ装置の第２の
変形例の構成を示す分解斜視図である。FIG. 8 is an exploded perspective view showing a configuration of a second modification of the antenna device according to the first embodiment.
【図９】第１の実施の形態に係るアンテナ装置の第２の
変形例の構成を示す等価回路図である。FIG. 9 is an equivalent circuit diagram showing a configuration of a second modified example of the antenna device according to the first embodiment.
【図１０】第１の実施の形態に係るアンテナ装置の第３
の変形例の構成を示す分解斜視図である。FIG. 10 shows a third example of the antenna device according to the first embodiment.
It is a disassembled perspective view which shows the structure of the modification of FIG.
【図１１】第２の実施の形態に係るアンテナ装置の構成
を示す斜視図である。FIG. 11 is a perspective view illustrating a configuration of an antenna device according to a second embodiment.
【図１２】第２の実施の形態に係るアンテナ装置におい
て、フィルタ部の出力端子とアンテナ部の入力端子とを
電気的に接続した状態を示す斜視図である。FIG. 12 is a perspective view showing a state in which an output terminal of a filter unit and an input terminal of an antenna unit are electrically connected in the antenna device according to the second embodiment.
１０Ａ、１０Ａａ〜１０Ａｃ、１０Ｂ…アンテナ装置 １２…誘電体基板 １４…入力電極 １６…出力電極 １８…フィルタ部 ２０…入力部電極 ２２…アンテナ部 ３２…アンテナ ３４…入力端子 ３６…外部コネクタ ３８…出力端子 ４０…入力端子 ４４…配線基板 ６０…半田層 １１０…入力用電極 １１２…入力用電極 １１４…出力用電極 １２０…第１の配線 １２２…第２の配線 10A, 10Aa to 10Ac, 10B ... antenna device 12 ... dielectric substrate 14 ... input electrode 16 ... output electrode 18 ... filter unit 20 ... input unit electrode 22 ... antenna unit 32 ... antenna 34 ... input terminal 36 ... external connector 38 ... output Terminal 40: Input terminal 44: Wiring board 60: Solder layer 110: Input electrode 112: Input electrode 114: Output electrode 120: First wiring 122: Second wiring
───────────────────────────────────────────────────── フロントページの続き (72)発明者 平井 隆己 愛知県名古屋市瑞穂区須田町２番56号 日 本碍子株式会社内 (72)発明者 水谷 靖彦 愛知県名古屋市瑞穂区須田町２番56号 日 本碍子株式会社内 (72)発明者 新井 宏之 神奈川県横浜市旭区今宿東町615番地11 Ｆターム(参考） 5J006 HB03 HB13 HB15 HB21 LA01 LA21 LA25 5J021 AA01 AB06 CA03 FA23 FA32 HA05 JA10 5J045 AA01 AA05 AB05 AB06 DA10 EA07 FA02 HA03 LA01 MA07 NA01 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takami Hirai 2-56 Sudacho, Mizuho-ku, Nagoya City, Aichi Prefecture Inside Nihon Insulators Co., Ltd. (72) Inventor Yasuhiko Mizutani 2nd Sudacho, Mizuho-ku, Nagoya City, Aichi Prefecture No. 56 Inside Japan Insulators Co., Ltd. AB05 AB06 DA10 EA07 FA02 HA03 LA01 MA07 NA01
Claims (8)
と、前記フィルタ部の出力電極に接続されるべき入力部
電極を有するアンテナ部とが誘電体基板中に一体的に形
成され、 前記フィルタ部の出力電極に接続され、かつ、外部コネ
クタを接続するための第１の外部端子と、 前記アンテナ部の入力部電極に接続される第２の外部端
子とを有することを特徴とするアンテナ装置。A filter unit having an input electrode and an output electrode, and an antenna unit having an input unit electrode to be connected to an output electrode of the filter unit, are integrally formed in a dielectric substrate; An antenna device comprising: a first external terminal connected to an output electrode of the antenna unit and connected to an external connector; and a second external terminal connected to an input electrode of the antenna unit.
に形成され、 前記外部コネクタは、前記誘電体基板上に設置されるこ
とを特徴とするアンテナ装置。2. The antenna device according to claim 1, wherein at least the first external terminal is formed on a surface of the dielectric substrate, and the external connector is provided on the dielectric substrate. Antenna device.
つ、前記外部コネクタが接続された第１の配線に電気的
に接続され、 前記第２の外部端子は、前記配線基板の主面に形成され
た第２の配線に電気的に接続されることを特徴とするア
ンテナ装置。3. The antenna device according to claim 1, wherein the first external terminal is formed on a main surface of a wiring board, and is electrically connected to a first wiring to which the external connector is connected. An antenna device, wherein the second external terminal is electrically connected to a second wiring formed on a main surface of the wiring board.
れることを特徴とするアンテナ装置。4. The antenna device according to claim 3, wherein the first and second wirings are electrically connected when used.
テナ装置において、 使用時に、前記第１及び第２の外部端子とが電気的に接
続されることを特徴とするアンテナ装置。5. The antenna device according to claim 1, wherein the first and second external terminals are electrically connected during use.
テナ装置において、 前記フィルタ部とアンテナ部は、前記誘電体基板上、平
面的に互いに分離された領域に形成されていることを特
徴とするアンテナ装置。6. The antenna device according to claim 1, wherein the filter unit and the antenna unit are formed on the dielectric substrate in areas separated from each other in a plane. An antenna device characterized by the above-mentioned.
テナ装置において、 前記フィルタ部の直上に誘電体層を介してアンテナ部が
形成されていることを特徴とするアンテナ装置。7. The antenna device according to claim 1, wherein an antenna unit is formed immediately above said filter unit via a dielectric layer.
と、前記フィルタ部の出力電極に接続されるべき入力部
電極を有するアンテナ部とを誘電体基板中に一体的に形
成する工程と、 前記フィルタ部の出力電極に接続され、かつ、外部コネ
クタを接続するための第１の外部端子に外部コネクタを
接続する工程と、 前記第１の外部端子に接続された前記外部コネクタに測
定器を接続して放射スペクトラムを検査する工程と、 検査後に、前記第１の外部端子と前記アンテナ部の入力
部電極に接続される第２の外部端子とを電気的に接続す
る工程とを有することを特徴とするアンテナ装置の製造
方法。8. A step of integrally forming a filter section having an input electrode and an output electrode, and an antenna section having an input section electrode to be connected to an output electrode of the filter section, in a dielectric substrate; Connecting an external connector to a first external terminal connected to an output electrode of the filter unit and connecting the external connector; and connecting a measuring instrument to the external connector connected to the first external terminal. And inspecting the radiation spectrum, and after the inspection, electrically connecting the first external terminal to a second external terminal connected to an input electrode of the antenna unit. A method for manufacturing an antenna device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11089604A JP2000286634A (en) | 1999-03-30 | 1999-03-30 | Antenna system and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11089604A JP2000286634A (en) | 1999-03-30 | 1999-03-30 | Antenna system and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000286634A true JP2000286634A (en) | 2000-10-13 |
Family
ID=13975373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11089604A Pending JP2000286634A (en) | 1999-03-30 | 1999-03-30 | Antenna system and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000286634A (en) |
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