JP3085102B2 - Jig for measuring temperature coefficient of dielectric resonator - Google Patents
Jig for measuring temperature coefficient of dielectric resonatorInfo
- Publication number
- JP3085102B2 JP3085102B2 JP06229904A JP22990494A JP3085102B2 JP 3085102 B2 JP3085102 B2 JP 3085102B2 JP 06229904 A JP06229904 A JP 06229904A JP 22990494 A JP22990494 A JP 22990494A JP 3085102 B2 JP3085102 B2 JP 3085102B2
- Authority
- JP
- Japan
- Prior art keywords
- dielectric resonator
- dielectric
- cavity
- thermal expansion
- holding
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2617—Measuring dielectric properties, e.g. constants
- G01R27/2635—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells
- G01R27/2658—Cavities, resonators, free space arrangements, reflexion or interference arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2822—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits
- G01R31/2824—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits testing of oscillators or resonators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、フィルタや発信器に用
いられる誘電体共振子の温度係数測定治具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for measuring a temperature coefficient of a dielectric resonator used for a filter or a transmitter.
【０００２】[0002]
【従来の技術】従来、誘電体共振子の温度係数測定法と
しては、誘電体共振子の両端を平行導体板で挟み込んで
ＴＥ011 モードを測定する測定法がある。しかし、この
方法では導体板での導体損による無負荷Ｑの低下や導体
板の平行度などにより、その測定精度は±０．５ｐｐｍ
／℃程度である。また、金属製のキャビティ内で支持台
を介して誘電体共振子を取り付けＴＥ01δ モードを測
定する方法もあるが、誘電体共振子と金属製キャビティ
の熱膨張係数が等しくないので、この熱膨張差の影響に
より、測定された温度係数は純粋に誘電体共振子の温度
係数を測定するものではなかった。2. Description of the Related Art Conventionally, as a method for measuring the temperature coefficient of a dielectric resonator, there is a measurement method in which both ends of the dielectric resonator are sandwiched between parallel conductor plates to measure the TE011 mode. However, in this method, the measurement accuracy is ± 0.5 ppm due to the reduction of the no-load Q due to the conductor loss in the conductor plate and the parallelism of the conductor plate.
/ ° C. There is also a method of measuring a TE01δ mode by mounting a dielectric resonator through a support in a metal cavity, but since the thermal expansion coefficients of the dielectric resonator and the metal cavity are not equal, this thermal expansion is Due to the effect of the difference, the measured temperature coefficient did not purely measure the temperature coefficient of the dielectric resonator.
【０００３】そこで、誘電体共振子と同じ熱膨張係数を
もつ材料のキャビティ及び支持台を用いてＴＥ01δ モ
ードを測定することで、純粋に誘電体共振子自身の温度
係数を測定する方法が提案されている。図２はこの方法
による誘電体共振子の温度係数測定治具の略断面図であ
る。Accordingly, a method has been proposed in which the TE01δ mode is measured using a cavity and a support made of a material having the same coefficient of thermal expansion as the dielectric resonator, thereby purely measuring the temperature coefficient of the dielectric resonator itself. Have been. FIG. 2 is a schematic sectional view of a jig for measuring a temperature coefficient of a dielectric resonator according to this method.
【０００４】図２に示すように、この誘電体共振子の温
度係数測定治具は、底板を有する円筒状の金属ケース１
内に、その表面にＡｇ導体が形成されたセラミック材料
からなる円筒状のキャビティ２が収納されている。キャ
ビティ２は誘電体共振子２０と同じ熱膨張係数をもつセ
ラミック材料からなり、キャビティ２の底板中央部に
は、誘電体共振子２０と同じ熱膨張係数をもつ低誘電率
の誘電体材料からなる円柱状の支持台３が接着剤で接着
されて固定されている。金属ケース１及びキャビティ２
の円筒部側壁の対向する部分には、一対の貫通孔が設け
られ、該貫通孔には先端に入出力ループを施した同軸ケ
ーブル４，４が接続されたコネクター４ａ、４ａが取り
付けられている。As shown in FIG. 2, a jig for measuring the temperature coefficient of the dielectric resonator is a cylindrical metal case 1 having a bottom plate.
Inside, a cylindrical cavity 2 made of a ceramic material having an Ag conductor formed on its surface is housed. The cavity 2 is made of a ceramic material having the same coefficient of thermal expansion as the dielectric resonator 20, and a central portion of the bottom plate of the cavity 2 is made of a low dielectric constant dielectric material having the same coefficient of thermal expansion as the dielectric resonator 20. A columnar support 3 is fixed by bonding with an adhesive. Metal case 1 and cavity 2
A pair of through-holes are provided in opposed portions of the side wall of the cylindrical portion, and connectors 4a, 4a to which coaxial cables 4, 4 having input / output loops provided at the ends are connected. .
【０００５】そして、支持台３上に試料となる誘電体共
振子２０を有機接着剤で接着して固定し、金属製上蓋５
をキャビティ２の上部開口面を覆うように金属ケース１
に固定ネジ１１で固定されている。[0005] A dielectric resonator 20 as a sample is fixed on the support base 3 by bonding with an organic adhesive.
The metal case 1 so as to cover the upper opening surface of the cavity 2.
Is fixed with a fixing screw 11.
【０００６】[0006]
【発明が解決しようとする課題】ところが、図２に示す
従来の誘電体共振子の温度係数測定治具では、前述した
ように、キャビティ及び支持台が誘電体共振子と同じ熱
膨脹係数をもつ材料となっているので、熱膨張差による
温度係数の測定精度の悪化はないが、誘電体共振子の支
持台への固定に接着剤を用いており、接着剤の熱膨張に
よる誘電体共振子の位置ずれ等の影響により、測定精度
が悪くなるという問題があった。However, in the conventional jig for measuring the temperature coefficient of the dielectric resonator shown in FIG. 2, as described above, the cavity and the support base are made of a material having the same coefficient of thermal expansion as that of the dielectric resonator. Therefore, the measurement accuracy of the temperature coefficient does not deteriorate due to the difference in thermal expansion.However, an adhesive is used to fix the dielectric resonator to the support base, and the dielectric resonator is thermally expanded due to the thermal expansion of the adhesive. There has been a problem that the measurement accuracy is deteriorated due to the influence of a displacement or the like.
【０００７】また、接着剤を用いており、接着剤の塗
布、乾燥作業が必要となり、誘電体共振子の治具への設
置時間が長くなるという問題があった。また、別の試料
を再設置する場合、接着剤を剥がし取るという作業も必
要であった。In addition, since an adhesive is used, it is necessary to apply and dry the adhesive, and there is a problem in that the time required to install the dielectric resonator in the jig becomes long. In the case of re-installing another sample, an operation of peeling off the adhesive was also required.
【０００８】そこで、本発明の目的は、接着剤を用いる
ことなく、誘電体共振子を治具に安定に保持することが
できる測定精度の高い誘電体共振子の温度係数測定治具
を提供することにある。Accordingly, an object of the present invention is to provide a jig for measuring the temperature coefficient of a dielectric resonator with high measurement accuracy, which can stably hold the dielectric resonator on a jig without using an adhesive. It is in.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
に、請求項１に係る発明は、誘電体共振子の温度係数測
定治具であって、入出力ループが設けられ、誘電体共振
子とほぼ同じ熱膨脹係数を有する低誘電率の誘電体材料
からなる支持台が取り付けられた、誘電体共振子とほぼ
同じ熱膨張係数を有する材料からなるキャビティ内上部
に、誘電体共振子とほぼ同じ熱膨脹係数を有する低誘電
率の誘電体材料からなる支持棒を配置し、バネ圧により
前記支持台と前記支持棒とで誘電体共振子を保持するこ
とを特徴とするものである。According to a first aspect of the present invention, there is provided a jig for measuring a temperature coefficient of a dielectric resonator, comprising: an input / output loop; A support base made of a low dielectric constant dielectric material having a thermal expansion coefficient substantially the same as that of the dielectric resonator is attached to the upper part of the cavity made of a material having a thermal expansion coefficient substantially the same as the dielectric resonator. A support rod made of a low dielectric constant dielectric material having a thermal expansion coefficient is provided, and the dielectric resonator is held between the support base and the support rod by spring pressure.
【００１０】請求項２に係る発明は、誘電体共振子の温
度係数測定治具であって、金属ケース内に、誘電体共振
子とほぼ同じ熱膨張係数を有するセラミック材料からな
るキャビティを収納し、該キャビティ内の底面中央部に
誘電体共振子とほぼ同じ熱膨脹係数を有する低誘電率の
誘電体材料からなる支持台が取り付けられ、前記キャビ
ティ側壁面に一対の入出力ループを設け、前記キャビテ
ィ上部開口面を覆う金属製上蓋の上面中央部に、その内
周面に螺合して保持用ネジが取り付けられた保持ガイド
を取り付け、該保持ガイド内で、外周面にコイルバネが
巻き付けられた保持棒が、その上部を前記保持用ネジに
挿通し、その下部を前記保持ガイドの内周面に嵌合して
取り付けられ、前記保持棒の先端に、前記金属製上蓋を
挿通して、誘電体共振子とほぼ同じ熱膨脹係数を有する
低誘電率の誘電体材料からなる支持棒が取り付けられ、
前記コイルバネのバネ圧により前記支持台と前記支持棒
とで誘電体共振子を保持することを特徴とするものであ
る。According to a second aspect of the present invention, there is provided a jig for measuring a temperature coefficient of a dielectric resonator, wherein a cavity made of a ceramic material having substantially the same thermal expansion coefficient as that of the dielectric resonator is housed in a metal case. A support made of a low-dielectric-constant dielectric material having substantially the same thermal expansion coefficient as the dielectric resonator is attached to the center of the bottom surface in the cavity, and a pair of input / output loops is provided on the side wall surface of the cavity; At the center of the upper surface of the metal upper cover that covers the upper opening surface, a holding guide screwed to the inner circumferential surface and having a holding screw attached thereto is attached, and a coil spring is wound around the outer circumferential surface within the holding guide. A rod is inserted by inserting the upper part into the holding screw, the lower part is fitted and attached to the inner peripheral surface of the holding guide, and the metal upper lid is inserted into the tip of the holding rod to form a dielectric. Pendulum and support rod made of a dielectric material having a low dielectric constant is mounted having approximately the same thermal expansion coefficient,
The dielectric resonator is held between the support base and the support rod by a spring pressure of the coil spring.
【００１１】[0011]
【作用】上記の構成によれば、キャビティ、支持台及び
支持棒は誘電体共振子と同じ熱膨張係数を有する材料か
らなり、かつ、誘電体共振子は、支持台と支持棒間にコ
イルバネのバネ圧により機械的に保持されるので、これ
ら部材の熱膨張差に起因する測定精度への影響を大幅に
低減でき、広い温度範囲に亘って、誘電体共振子自身の
温度係数を精度よく測定できる。According to the above construction, the cavity, the support and the support rod are made of a material having the same coefficient of thermal expansion as the dielectric resonator, and the dielectric resonator has a coil spring between the support and the support rod. Since it is mechanically held by the spring pressure, the influence on the measurement accuracy due to the difference in thermal expansion between these members can be greatly reduced, and the temperature coefficient of the dielectric resonator itself can be accurately measured over a wide temperature range. it can.
【００１２】また、接着剤を用いることなく誘電体共振
子を治具に保持することができるので、誘電体共振子の
治具への設置が容易となる。Further, since the dielectric resonator can be held on the jig without using an adhesive, it is easy to install the dielectric resonator on the jig.
【００１３】[0013]
【実施例】以下、本発明をその実施例を示す図面に基づ
いて具体的に説明する。図において、従来例と同一また
は相当する部分、同一機能のものについては同一符号を
付す。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described with reference to the drawings showing the embodiments. In the figure, the same reference numerals are given to parts having the same or corresponding functions and the same functions as those of the conventional example.
【００１４】本発明の一実施例に係る誘電体共振子の温
度係数の測定治具の構造を図１に示す。図１は誘電体共
振子を設置した状態を示す測定治具の略断面図である。FIG. 1 shows the structure of a jig for measuring the temperature coefficient of a dielectric resonator according to one embodiment of the present invention. FIG. 1 is a schematic sectional view of a measuring jig showing a state where a dielectric resonator is installed.
【００１５】図１に示すように、本実施例の誘電体共振
子の温度係数測定治具は、円筒状の金属ケース１の内壁
面に嵌合して、その表面にＡｇ等の導電率の高い導体が
形成されたセラミック材料からなる円筒状のキャビティ
２が収納されている。キャビティ２は誘電体共振子２０
と同じ熱膨張係数をもつセラミック材料からなり、キャ
ビティ２の底板中央部には、誘電体共振子２０と同じ熱
膨張係数をもつ低誘電率の誘電体材料からなる円柱状の
支持台３が樹脂やガラス等により接着されて固定されて
いる。As shown in FIG. 1, the jig for measuring the temperature coefficient of a dielectric resonator according to the present embodiment is fitted on the inner wall surface of a cylindrical metal case 1 and the surface thereof has a conductivity of Ag or the like. A cylindrical cavity 2 made of a ceramic material on which a high conductor is formed is housed. The cavity 2 is a dielectric resonator 20
In the center of the bottom plate of the cavity 2, a columnar support 3 made of a low dielectric constant dielectric material having the same thermal expansion coefficient as that of the dielectric resonator 20 is formed of a resin. It is bonded and fixed with glass or the like.
【００１６】金属ケース１及びキャビティ２の円筒部側
壁の対向する部分には一対の貫通孔が設けられ、該貫通
孔には先端に入出力ループを施した同軸ケーブル４，４
が接続されたコネクター４ａ、４ａが取り付けられてい
る。A pair of through-holes are provided at opposing portions of the cylindrical portion side wall of the metal case 1 and the cavity 2, and the through-holes are provided with coaxial cables 4, 4 having input / output loops at their ends.
Are connected to the connector 4a.
【００１７】キャビティ２の上部開口面を覆う円板状の
金属製上蓋５の中心部には支持棒９を挿通するための貫
通孔が設けられ、この貫通孔周囲の金属製上蓋５の上面
中央部には、上部内周面に雌ネジが形成された円筒形状
の金属製の保持ガイド６が溶接等により接合されて取り
付けられている。At the center of the disk-shaped metal upper cover 5 covering the upper opening surface of the cavity 2, there is provided a through hole through which the support rod 9 is inserted, and the center of the upper surface of the metal upper cover 5 around the through hole is provided. A cylindrical metal holding guide 6 having a female screw formed on the upper inner peripheral surface is attached to the portion by welding or the like.
【００１８】保持ガイド６内には、下端面に支持棒９が
取り付けられ、外周面にコイルバネ８を巻き付けた金属
製の保持棒７が挿入され、保持棒７の上部には、コイル
バネ８の一端を押さえ、保持棒７に嵌合する孔が設けら
れ、外周面に保持ガイド６の雌ネジに螺合する雄ネジが
形成された保持用ネジ１０が挿入される。A support rod 9 is attached to the lower end surface of the holding guide 6, and a metal holding rod 7 around which a coil spring 8 is wound is inserted on the outer peripheral surface. The holding screw 10 is provided with a hole that fits into the holding rod 7, and has a male screw formed on the outer peripheral surface thereof and screwed into the female screw of the holding guide 6.
【００１９】保持棒７の下端部は他の部分より大きな外
径を有し、保持ガイド６の内周面に嵌合する寸法に形成
され、コイルバネ８の一端部が挿入される溝が形成され
ている。保持棒７に取り付けられた支持棒９は支持台３
と同様に誘電体共振子２０と同じ熱膨張係数をもつ低誘
電率の誘電体材料からなるものである。The lower end of the holding rod 7 has an outer diameter larger than that of the other parts, is formed to have a size that fits into the inner peripheral surface of the holding guide 6, and has a groove into which one end of the coil spring 8 is inserted. ing. The support bar 9 attached to the holding bar 7 is a support base 3
It is made of a low dielectric constant dielectric material having the same coefficient of thermal expansion as the dielectric resonator 20 in the same manner as described above.
【００２０】支持台３、誘電体共振子２０、支持棒９、
保持ガイド６及び保持棒７の中心軸は同一軸となるよう
に設定されている。The support 3, the dielectric resonator 20, the support rod 9,
The central axes of the holding guide 6 and the holding rod 7 are set to be the same axis.
【００２１】そして、誘電体共振子２０を支持台３の上
に載置し、金属製上蓋５をキャビティ２の上部開口面を
覆うように金属ケース１に固定ネジ１１で固定し、保持
用ネジ１０を保持ガイド６に螺合して回転させ、コイル
バネ８のバネ圧を調整し支持棒９の先端面で円柱状の誘
電体共振子２０を押し付けて保持し、各温度における誘
電体共振子２０の共振周波数を測定して、誘電体共振子
の温度係数を算出する。Then, the dielectric resonator 20 is placed on the support base 3, and the metal upper lid 5 is fixed to the metal case 1 with the fixing screw 11 so as to cover the upper opening surface of the cavity 2. 10 is screwed into the holding guide 6 and rotated, the spring pressure of the coil spring 8 is adjusted, and the cylindrical dielectric resonator 20 is pressed and held on the tip end surface of the support rod 9, and the dielectric resonator 20 at each temperature is held. Is measured, and the temperature coefficient of the dielectric resonator is calculated.
【００２２】以上のように、本実施例の誘電体共振子の
温度係数測定治具では、誘電体共振子、キャビティ、支
持台及び支持棒の熱膨張係数は等しく、かつ、誘電体共
振子は、支持台と支持棒との間に接着剤を介することな
く、コイルバネのバネ圧で機械的に保持されているの
で、温度変化が生じても、一定の押圧で誘電体共振子を
安定して保持することができる。したがって、広範囲の
温度範囲において、キャビティや支持台との熱膨張係数
の違いによる温度係数の測定精度の悪化もなく、接着剤
の熱膨張による誘電体共振子の位置ずれ等に起因する測
定精度の悪化も生じない。As described above, in the jig for measuring the temperature coefficient of the dielectric resonator according to the present embodiment, the thermal expansion coefficients of the dielectric resonator, the cavity, the support and the support rod are equal, and the dielectric resonator is The dielectric resonator is mechanically held by the spring pressure of the coil spring without interposing an adhesive between the support base and the support rod. Can be held. Therefore, in a wide temperature range, there is no deterioration in the measurement accuracy of the temperature coefficient due to the difference in the thermal expansion coefficient between the cavity and the support, and the measurement accuracy due to the displacement of the dielectric resonator due to the thermal expansion of the adhesive and the like. No deterioration occurs.
【００２３】この結果、図２に示した従来の治具を用い
て測定した温度係数の測定精度が±０．０５〜±０．１
５ｐｐｍ／℃であったのに対し、本実施例の治具では約
±０．０４ｐｐｍ／℃以下の測定精度を得ることができ
た。As a result, the measurement accuracy of the temperature coefficient measured using the conventional jig shown in FIG.
In contrast to 5 ppm / ° C., the jig of the present example was able to obtain a measurement accuracy of about ± 0.04 ppm / ° C. or less.
【００２４】また、接着剤を用いることなく誘電体共振
子を治具に保持することができるので、接着剤を塗布、
乾燥する作業を不要とし、設置時間を大幅に短縮でき
る。従来の接着剤による設置では約３０分かかっていた
のに対し、本実施例の治具では約１分で設置することが
できる。In addition, since the dielectric resonator can be held on the jig without using an adhesive, the adhesive can be applied,
Drying work is not required, and the installation time can be greatly reduced. In contrast to the conventional installation using an adhesive which took about 30 minutes, the jig of this embodiment can be installed in about 1 minute.
【００２５】[0025]
【発明の効果】以上説明したように、本発明に係る誘電
体共振子の温度係数測定治具によれば、キャビティ、支
持台及び支持棒は誘電体共振子とほぼ同じ熱膨張係数を
有する材料からなり、かつ、誘電体共振子は、支持台と
支持棒間にコイルバネのバネ圧により機械的に保持され
るので、これら部材の熱膨張差に起因する測定精度への
影響を大幅に低減でき、広い温度範囲に亘って、誘電体
共振子自身の温度係数を精度よく測定できる。As described above, according to the jig for measuring the temperature coefficient of the dielectric resonator according to the present invention, the cavity, the support, and the support rod have the same thermal expansion coefficient as that of the dielectric resonator. , And the dielectric resonator is mechanically held between the support base and the support rod by the spring pressure of the coil spring, so that the influence on the measurement accuracy due to the difference in thermal expansion between these members can be greatly reduced. The temperature coefficient of the dielectric resonator itself can be accurately measured over a wide temperature range.
【００２６】また、接着剤等を用いることなく誘電体共
振子を治具に保持することができるので、誘電体共振子
の治具への設置を容易に行うことができ、設置時間を大
幅に短縮することができる。Further, since the dielectric resonator can be held on the jig without using an adhesive or the like, the dielectric resonator can be easily installed on the jig, and the installation time is greatly reduced. Can be shortened.
【図１】本発明の誘電体共振子の温度係数測定治具の構
造を示す略断面図である。FIG. 1 is a schematic sectional view showing a structure of a jig for measuring a temperature coefficient of a dielectric resonator according to the present invention.
【図２】従来の誘電体共振子の温度係数測定治具の構造
を示す略断面図である。FIG. 2 is a schematic sectional view showing the structure of a conventional jig for measuring a temperature coefficient of a dielectric resonator.
１ 金属ケース ２ キャビティ ３ 支持台 ４ 同軸ケーブル ４ａ コネクター ５ 金属製上蓋 ６ 保持ガイド ７ 保持棒 ８ コイルバネ ９ 支持棒 １０ 保持用ネジ １１ 固定ネジ ２０ 誘電体共振子 DESCRIPTION OF SYMBOLS 1 Metal case 2 Cavity 3 Support 4 Coaxial cable 4a Connector 5 Metal cover 6 Holding guide 7 Holding rod 8 Coil spring 9 Support rod 10 Holding screw 11 Fixing screw 20 Dielectric resonator
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−211566（ＪＰ，Ａ) 特開 平３−152478（ＪＰ，Ａ) 実開 昭56−92968（ＪＰ，Ｕ) 実開 平２−148478（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) G01R 27/26 G01R 29/22 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-111566 (JP, A) JP-A-3-152478 (JP, A) JP-A-56-92968 (JP, U) JP-A-2-92968 148478 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) G01R 27/26 G01R 29/22
Claims (2)
とほぼ同じ熱膨脹係数を有する低誘電率の誘電体材料か
らなる支持台が取り付けられた、誘電体共振子とほぼ同
じ熱膨張係数を有する材料からなるキャビティ内上部
に、誘電体共振子とほぼ同じ熱膨脹係数を有する低誘電
率の誘電体材料からなる支持棒を配置し、バネ圧により
前記支持台と前記支持棒とで誘電体共振子を保持するこ
とを特徴とする誘電体共振子の温度係数測定治具。An input / output loop is provided, and a support made of a low-dielectric-constant dielectric material having substantially the same thermal expansion coefficient as the dielectric resonator is attached. A support rod made of a low-dielectric-constant dielectric material having substantially the same thermal expansion coefficient as that of the dielectric resonator is arranged above the cavity made of the material having the dielectric resonator. A jig for measuring a temperature coefficient of a dielectric resonator, characterized by holding a resonator.
じ熱膨張係数を有するセラミック材料からなるキャビテ
ィを収納し、該キャビティ内の底面中央部に誘電体共振
子とほぼ同じ熱膨脹係数を有する低誘電率の誘電体材料
からなる支持台が取り付けられ、前記キャビティ側壁面
に一対の入出力ループを設け、前記キャビティ上部開口
面を覆う金属製上蓋の上面中央部に、その内周面に螺合
して保持用ネジが取り付けられた保持ガイドを取り付
け、該保持ガイド内で、外周面にコイルバネが巻き付け
られた保持棒が、その上部を前記保持用ネジに挿通し、
その下部を前記保持ガイドの内周面に嵌合して取り付け
られ、前記保持棒の先端に、前記金属製上蓋を挿通し
て、誘電体共振子とほぼ同じ熱膨脹係数を有する低誘電
率の誘電体材料からなる支持棒が取り付けられ、前記コ
イルバネのバネ圧により前記支持台と前記支持棒とで誘
電体共振子を保持することを特徴とする誘電体共振子の
温度係数測定治具。2. A cavity made of a ceramic material having substantially the same thermal expansion coefficient as the dielectric resonator is housed in the metal case, and has a thermal expansion coefficient substantially the same as that of the dielectric resonator at the bottom center of the cavity. A support base made of a dielectric material having a low dielectric constant is attached, a pair of input / output loops are provided on the side wall surface of the cavity, and a screw is formed on the inner peripheral surface at the center of the upper surface of the metal upper cover covering the upper opening surface of the cavity. Attach the holding guide with the holding screw attached, inside the holding guide, a holding rod with a coil spring wound on the outer peripheral surface, insert the upper part through the holding screw,
The lower part thereof is fitted and attached to the inner peripheral surface of the holding guide, and the metal upper cover is inserted through the tip of the holding rod to obtain a low dielectric constant dielectric material having substantially the same thermal expansion coefficient as the dielectric resonator. A jig for measuring a temperature coefficient of a dielectric resonator, wherein a support rod made of a body material is attached, and the dielectric resonator is held between the support base and the support rod by a spring pressure of the coil spring.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06229904A JP3085102B2 (en) | 1994-09-26 | 1994-09-26 | Jig for measuring temperature coefficient of dielectric resonator |
| GB9514497A GB2293455B (en) | 1994-09-26 | 1995-07-14 | Device for measuring temperature coefficient of a dielectric resonator |
| DE19527033A DE19527033C2 (en) | 1994-09-26 | 1995-07-24 | Device for measuring the temperature coefficient of a dielectric resonator |
| KR1019950031839A KR960011435A (en) | 1994-09-26 | 1995-09-26 | Jig for measuring temperature coefficient of dielectric resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06229904A JP3085102B2 (en) | 1994-09-26 | 1994-09-26 | Jig for measuring temperature coefficient of dielectric resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0894688A JPH0894688A (en) | 1996-04-12 |
| JP3085102B2 true JP3085102B2 (en) | 2000-09-04 |
Family
ID=16899559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06229904A Expired - Fee Related JP3085102B2 (en) | 1994-09-26 | 1994-09-26 | Jig for measuring temperature coefficient of dielectric resonator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3085102B2 (en) |
| KR (1) | KR960011435A (en) |
| DE (1) | DE19527033C2 (en) |
| GB (1) | GB2293455B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6163982A (en) | 1989-08-30 | 2000-12-26 | Anatomic Research, Inc. | Shoe sole structures |
| CN106841816A (en) * | 2016-12-23 | 2017-06-13 | 潍坊学院 | The test device and method of a kind of microwave material dielectric constant and electric tune rate |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100445705B1 (en) * | 1997-02-21 | 2004-10-28 | 삼성탈레스 주식회사 | Dielectric resonance oscillator and case of the same, especially using minimum elements for distortion or delay of signal |
| KR100645638B1 (en) * | 2000-09-16 | 2006-11-13 | 에스케이 주식회사 | Dielectric spectrum measuring system using co-axial type lf/rf dielectric sensor with fixture |
| KR100645639B1 (en) * | 2000-11-23 | 2006-11-13 | 에스케이 주식회사 | Co-axial type lf/rf dielectric sensor and dielectric spectrum measuring system using the same |
| JP4621414B2 (en) * | 2003-03-13 | 2011-01-26 | 双信電機株式会社 | Antenna measuring apparatus and antenna measuring method |
| CN115240502B (en) * | 2022-08-01 | 2023-06-02 | 广西电网有限责任公司北海供电局 | Fault diagnosis simulator for power transmission and distribution cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129204U (en) * | 1983-02-18 | 1984-08-30 | 株式会社村田製作所 | Dielectric resonator temperature characteristic measurement device |
| US4580116A (en) * | 1985-02-11 | 1986-04-01 | The United States Of America As Represented By The Secretary Of The Army | Dielectric resonator |
| US5119034A (en) * | 1989-07-12 | 1992-06-02 | Murata Manufacturing Co., Ltd. | Method of measuring dielectric material constants and measuring device employed therefor |
| US5105158A (en) * | 1990-02-13 | 1992-04-14 | Space Systems/Loral, Inc. | Dielectric microwave resonator probe |
-
1994
- 1994-09-26 JP JP06229904A patent/JP3085102B2/en not_active Expired - Fee Related
-
1995
- 1995-07-14 GB GB9514497A patent/GB2293455B/en not_active Expired - Fee Related
- 1995-07-24 DE DE19527033A patent/DE19527033C2/en not_active Expired - Fee Related
- 1995-09-26 KR KR1019950031839A patent/KR960011435A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6163982A (en) | 1989-08-30 | 2000-12-26 | Anatomic Research, Inc. | Shoe sole structures |
| CN106841816A (en) * | 2016-12-23 | 2017-06-13 | 潍坊学院 | The test device and method of a kind of microwave material dielectric constant and electric tune rate |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19527033C2 (en) | 1997-01-23 |
| GB2293455A (en) | 1996-03-27 |
| DE19527033A1 (en) | 1996-04-04 |
| KR960011435A (en) | 1996-04-20 |
| JPH0894688A (en) | 1996-04-12 |
| GB2293455B (en) | 1996-09-11 |
| GB9514497D0 (en) | 1995-09-13 |
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