JPS6357961B2 - - Google Patents
Info
- Publication number
- JPS6357961B2 JPS6357961B2 JP57049826A JP4982682A JPS6357961B2 JP S6357961 B2 JPS6357961 B2 JP S6357961B2 JP 57049826 A JP57049826 A JP 57049826A JP 4982682 A JP4982682 A JP 4982682A JP S6357961 B2 JPS6357961 B2 JP S6357961B2
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- dielectric
- tetrafluoroethylene resin
- present
- transmission
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/16—Dielectric waveguides, i.e. without a longitudinal conductor
Landscapes
- Waveguides (AREA)
Description
【発明の詳細な説明】
この発明は誘電体線路、表面波線路（イメージ
線路、インシユラ線路を含む）、誘電体充填金属
導波管、誘電体内装金属導波管等のように、波動
エネルギー伝送部分に誘電体を用いた伝送線路に
関する。DETAILED DESCRIPTION OF THE INVENTION This invention provides wave energy transmission methods such as dielectric lines, surface wave lines (including image lines and insular lines), dielectric filled metal waveguides, dielectric interior metal waveguides, etc. It relates to a transmission line that uses a dielectric material in its parts.
波動エネルギー伝送部分に誘電体を用いた伝送
線路はミリ波、サブミリ波の伝送に当つて自由に
曲折できしかも軽量であるのでミリ波やサブミリ
波の伝送線路の中間接続線路等として有利に用い
られている。しかしながら導波管等の線路に比較
して太いので種々の不都合があつた。 Transmission lines that use dielectric materials in the wave energy transmission section can be bent freely when transmitting millimeter waves and submillimeter waves, and are lightweight, so they are advantageously used as intermediate connection lines for millimeter wave and submillimeter wave transmission lines. ing. However, since it is thicker than lines such as waveguides, it has had various disadvantages.
この点に鑑みこの発明は、誘電体を用いた伝送
線路の径を小さくすることを目的とする。このた
めこの発明によれば、四弗化エチレン樹脂からな
る誘電体伝送線路の少なくとも波動エネルギー伝
送部分に基材だけの場合よりも誘電率を増加させ
るためチタン酸バリウムを含有せしめた細線化誘
電体伝送線路を形成する。 In view of this point, an object of the present invention is to reduce the diameter of a transmission line using a dielectric material. Therefore, according to the present invention, at least the wave energy transmission portion of the dielectric transmission line made of tetrafluoroethylene resin is made of a thinned dielectric material containing barium titanate in order to increase the dielectric constant compared to the case of only the base material. Form a transmission line.
このように形成することにより、誘電率を自由
に制御でき、可撓性を持たせながら誘電率を増加
させることにより伝送線路の外径を小さくできる
ので、装置の構成が便利となる効果が得られる。 By forming the transmission line in this way, the dielectric constant can be freely controlled, and by increasing the dielectric constant while maintaining flexibility, the outer diameter of the transmission line can be reduced, making the configuration of the device convenient. It will be done.
この発明の構成に当り、誘電率を波動エネルギ
ー伝送部分の中心部から放射状に外側に向かつて
連続的に或いは段階的に例えば小さくすることが
でき、誘電体には四弗化エチレン樹脂を好適に用
いることができる。この実現方法としては、例え
ば充填材を含有させた四弗化エチレン樹脂製のロ
ツドの外周に充填材の含有比率が異なる複数種類
の四弗化エチレン樹脂テープを順次巻きつけて構
成することができる。とりわけ、チタン酸バリウ
ムは誘電率が極めて大きく、少量を含有せしめる
ことにより伝送線路の誘電率が調整できる上に、
損失角がさして増大しないという利点がある。 In constructing the present invention, the dielectric constant can be decreased radially outward from the center of the wave energy transmission portion, for example, continuously or stepwise, and tetrafluoroethylene resin is preferably used as the dielectric material. Can be used. This can be achieved by, for example, sequentially wrapping multiple types of tetrafluoroethylene resin tapes with different filler content ratios around the outer circumference of a rod made of tetrafluoroethylene resin containing a filler. . In particular, barium titanate has an extremely high dielectric constant, and by including a small amount, the dielectric constant of the transmission line can be adjusted.
This has the advantage that the loss angle does not increase significantly.
次に実施例によつてこの発明を更に詳細に説明
する。 Next, the present invention will be explained in more detail with reference to Examples.
先ず、市販の四弗化エチレン樹脂フアインパウ
ダーに粒径1.0〜2.0μｍのルチルタイプの酸化チ
タン（TiO2）50重量パーセントを混入し、更に
これに石油、ホワイトオイル、ソルベントナフ
サ、トルエン、キシレン、各種アルコール、界面
活性剤水溶液等の中から選んだ液状潤滑材を混入
し、これらを機械的な混合法によつてたとえばＶ
型ブレンダーを用いて均質に混合して得たペース
ト状混合物を直径７mmのロツドに押出成形してか
ら潤滑材を除去後327℃以上に５分間保持するこ
とにより焼成して得た誘電体からなる伝送線路１
を得た（第１図）。 First, 50% by weight of rutile-type titanium oxide (TiO 2 ) with a particle size of 1.0 to 2.0 μm was mixed into a commercially available tetrafluoroethylene resin fine powder, and then petroleum, white oil, solvent naphtha, toluene, and xylene were added to the mixture. , a liquid lubricant selected from various alcohols, surfactant aqueous solutions, etc., and these are mixed by a mechanical mixing method to form, for example, V
Consists of a dielectric material obtained by extruding a paste-like mixture obtained by homogeneously mixing using a mold blender into a rod with a diameter of 7 mm, removing the lubricant, and firing by holding at a temperature of 327°C or higher for 5 minutes. Transmission line 1
was obtained (Figure 1).
この伝送線路１は、単一モード伝送をするのに
好適な条件、すなわち規格化周波数が2.3になる
伝送周波数は19.5GHzであつた。 This transmission line 1 had a transmission frequency of 19.5 GHz under conditions suitable for single mode transmission, that is, a normalized frequency of 2.3.
一方、充填材のない四弗化エチレン樹脂からな
る伝送線路においては、19.5GHzを最適に伝送す
るには直径7.8mmである必要がある。そこで、こ
の発明によつて50重量パーセントのチタン酸バリ
ウム（BaTiO3）を充填した四弗化エチレン樹脂
製の伝送線路によれば、約20％その外径を減少で
きた。その上この発明によれば線路の外径の減少
を得ても可撓性を損なうことがなく、十分な可撓
性を持つて装置に組み込むことができる。また可
撓性を要しない部分に直線状伝送線路として用い
る場合は、充填材の充填量を90重量パーセント前
後まで増加させて更に伝送線路の外径を縮小する
ことができる。 On the other hand, a transmission line made of tetrafluoroethylene resin without fillers needs to have a diameter of 7.8 mm to optimally transmit 19.5 GHz. Therefore, according to the present invention, a transmission line made of tetrafluoroethylene resin filled with 50 weight percent barium titanate (BaTiO 3 ) was able to reduce its outer diameter by about 20%. Moreover, according to the present invention, even if the outer diameter of the line is reduced, flexibility is not impaired, and the line can be incorporated into a device with sufficient flexibility. When used as a straight transmission line in a portion that does not require flexibility, the outer diameter of the transmission line can be further reduced by increasing the amount of filler to around 90% by weight.
なお、四弗化エチレン樹脂デイスパージヨンに
水に分散させた充填材を作用させて、四弗化エチ
レン樹脂粒子に充填材を凝集させたものに液状潤
滑材を添加して得られたペースト状混合物を用い
て前記と同様の直径７mmのロツドを製造すれば、
充填材が四弗化エチレン樹脂の少なくとも微小結
節内に均一に混有することになるので、可撓性も
高く、また高充填率の混合物を安定して得られる
という利点もある。 In addition, a paste-like product obtained by adding a liquid lubricant to a mixture of tetrafluoroethylene resin dispersion and a filler dispersed in water to agglomerate the filler into tetrafluoroethylene resin particles. If a rod with a diameter of 7 mm similar to the above is manufactured using the mixture,
Since the filler is uniformly mixed in at least the micronodules of the tetrafluoroethylene resin, there is an advantage that flexibility is high and a mixture with a high filling rate can be stably obtained.
次いで前記のようにして50重量パーセントの酸
化チタン（TiO2）を充填した四弗化エチレン樹
脂成形品から潤滑材を除去した未焼成伝送線路に
ついて検討した結果前記と同様な効果が得られ
た。 Next, we examined a green transmission line in which the lubricant was removed from the tetrafluoroethylene resin molded product filled with 50 weight percent titanium oxide (TiO 2 ) as described above, and as a result, the same effects as described above were obtained.
第２図はこの発明による異なる実施例を示すも
ので、前記のようにして得られた伝送線路１から
なる波動エネルギー伝送線路の外周に、この伝送
線路より誘電率の小さなクラツド部分２を被覆形
成して設け、更にその外周に保護層３を設けてあ
る。クラツド部分２としては、例えば延伸連続多
孔質四弗化エチレン樹脂フイルムを巻装して形成
し、保護層３はETFE樹脂、ポリエチレン樹脂お
よび塩化ビニル等が用いられる。このようにする
ことにより伝送線路の十分な保護が得られる。ま
た、塩化ビニル等誘電体損失の大きい材料を用い
れば、シールド効果も生じる。 FIG. 2 shows a different embodiment of the present invention, in which the outer periphery of a wave energy transmission line consisting of the transmission line 1 obtained as described above is coated with a cladding portion 2 having a smaller dielectric constant than the transmission line. A protective layer 3 is further provided on the outer periphery. The cladding portion 2 is formed by wrapping, for example, a stretched continuous porous polytetrafluoroethylene resin film, and the protective layer 3 is made of ETFE resin, polyethylene resin, vinyl chloride, or the like. This provides sufficient protection of the transmission line. Furthermore, if a material with large dielectric loss, such as vinyl chloride, is used, a shielding effect will also be produced.
以上のように、この発明によれば、四弗化エチ
レン樹脂からなる誘電体伝送線路の少なくとも波
動エネルギー伝送部分に誘電体を増加させるため
チタン酸バリウムを含有せしめた伝送線路を構成
することにより、誘電率を自由に選択でき、それ
によつて伝送線路の外径を小さくすることがで
き、誘電体伝送線路を用いた装置を簡便に形成で
き、機器の設計自由度が向上する効果が得られ
る。 As described above, according to the present invention, by constructing a transmission line containing barium titanate to increase the dielectric material in at least the wave energy transmission portion of the dielectric transmission line made of tetrafluoroethylene resin, The dielectric constant can be freely selected, thereby making it possible to reduce the outer diameter of the transmission line, making it possible to easily form a device using a dielectric transmission line, and improving the degree of freedom in designing equipment.
尚、この発明は上記実施例に限定されるもので
はなく、例えば前記材料の断面形状は円形に限ら
ず長方形、その他任意の形状でよいなど、この発
明の思想の範囲内で種々変更できる。 It should be noted that the present invention is not limited to the above-mentioned embodiments; for example, the cross-sectional shape of the material is not limited to a circle, but may be rectangular or any other arbitrary shape, and various changes can be made within the scope of the idea of the present invention.
第１図はこの発明による伝送線路の断面図、第
２図はこの発明による他の実施例を示す伝送線路
の断面図である。
１：伝送線路、２：クラツド部分、３：保護
層。
FIG. 1 is a cross-sectional view of a transmission line according to the present invention, and FIG. 2 is a cross-sectional view of a transmission line showing another embodiment according to the present invention. 1: Transmission line, 2: Clad part, 3: Protective layer.
Claims (1)
の少なくとも波動エネルギー伝送部分に、チタン
酸バリウムを含有せしめた、細線化誘電体伝送線
路。1. A thinned dielectric transmission line comprising barium titanate contained in at least the wave energy transmission portion of the dielectric transmission line made of tetrafluoroethylene resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4982682A JPS58166804A (en) | 1982-03-26 | 1982-03-26 | Transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4982682A JPS58166804A (en) | 1982-03-26 | 1982-03-26 | Transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58166804A JPS58166804A (en) | 1983-10-03 |
| JPS6357961B2 true JPS6357961B2 (en) | 1988-11-14 |
Family
ID=12841896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4982682A Granted JPS58166804A (en) | 1982-03-26 | 1982-03-26 | Transmission line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58166804A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145810B (en) * | 2006-09-11 | 2011-06-15 | 索尼株式会社 | Communication system and communication apparatus |
| JP6387314B2 (en) * | 2015-03-19 | 2018-09-05 | 株式会社Ｎｔｔドコモ | Wireless antenna, wireless communication system |
| JP6183624B2 (en) * | 2015-04-24 | 2017-08-23 | Tdk株式会社 | Electronic components |
| JP6787634B2 (en) * | 2016-12-19 | 2020-11-18 | オリンパス株式会社 | Endoscopes and endoscopic systems with flexible waveguides |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5399954A (en) * | 1977-02-14 | 1978-08-31 | Junkosha Co Ltd | Conductor line |
-
1982
- 1982-03-26 JP JP4982682A patent/JPS58166804A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58166804A (en) | 1983-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4539433A (en) | Electromagnetic shield | |
| US4701575A (en) | Jacketed cable with powder layer for enhanced corrosion and environmental protection | |
| EP0455407A2 (en) | Insulating material and production thereof | |
| JPH06119810A (en) | Dielectric composite | |
| JPS6357961B2 (en) | ||
| US5147718A (en) | Radar absorber | |
| EP0339146B1 (en) | Electromagnetic wave absorber | |
| JP2802173B2 (en) | Composite dielectric | |
| JPH07240117A (en) | Composite dielectric and its manufacture | |
| WO2022181774A1 (en) | System equipped with electromagnetic wave absorber, and electromagnetic wave absorbing method using electromagnetic wave absorber | |
| DE60122268T2 (en) | Corrugated high-speed coaxial cable and method of making the same | |
| JP3009763B2 (en) | Electromagnetic wave absorbing material using double layer particles | |
| JP3462517B2 (en) | Microwave dielectric porcelain composition | |
| Chino et al. | Microwave absorbers using ferroelectric/rubber composite structure and their evaluation | |
| CN109912902A (en) | A kind of low-k polyvinyl chloride cable material and preparation method thereof | |
| JP3030068B2 (en) | Composite dielectric for artificial human body in microwave band | |
| JPH02273416A (en) | Coaxial cable | |
| US3005038A (en) | High temperature radio frequency cable and method of making the same | |
| JPH0743870Y2 (en) | coaxial cable | |
| JP2995586B2 (en) | Radio wave absorber | |
| JPH05299872A (en) | Wave absorber for 900mhz-band | |
| JPS62213101A (en) | Composite magnetic material | |
| JPS6019603B2 (en) | composite dielectric | |
| JP3825700B2 (en) | Ferrite particles and ferrite resin composite composition | |
| JPH0684407A (en) | High dielectric constant composite material |