DIELECTRIC WAVEGUIDE LINE

A dielectric waveguide including: a center dielectric A1; a dielectric layer A2 surrounding the center dielectric A1; and a dielectric layer A3 surrounding the dielectric layer A2, the center dielectric A1 including polytetrafluoroethylene, the center dielectric A1, the dielectric layer A2, and the...

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Bibliographische Detailangaben
Hauptverfasser: TOKUHIRA, Katsusada, YAMANAKA, Taku, YOSHIMOTO, Hiroyuki
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A dielectric waveguide including: a center dielectric A1; a dielectric layer A2 surrounding the center dielectric A1; and a dielectric layer A3 surrounding the dielectric layer A2, the center dielectric A1 including polytetrafluoroethylene, the center dielectric A1, the dielectric layer A2, and the dielectric layer A3 having relative permittivities at 25° C. and 6 GHz represented by εA1, εA2, and εA3, respectively, εA1, εA2, and εA3 satisfying the following: εA1 is 2.20 or lower; εA2 is 1.90 or lower; εA3 is 1.55 or lower; and εA1>εA2>εA3 is satisfied.