NONRADIOACTIVE DIELECTRIC LINE AND ITS INTEGRATED CIRCUIT

WIPO Patent Application WO/1999/031753

A1

In a nonradioactive dielectric line, grooves facing to each other are formed in two dielectric plates, a dielectric strip is disposed in both grooves to constitute an NRD guide, projections (P) protruded in the width direction with respect to the direction of electromagnetic-wave propagation are formed at predetermined positions of the dielectric strip (3), and recesses (H) are formed in the inner surfaces of dielectric plates (1) and (2) and engaged with the projections (P). Change of characteristics due to displacement of the dielectric strip is prevented, and the dielectric strip can be easily worked through cutting. Moreover, the characteristics of a transmission line are maintained without disturbing the electromagnetic field distribution of a mode to be propagated.

SAITOH ATSUSHI (JP)
NISHIDA HIROSHI (JP)
TANIZAKI TORU (JP)
TAKAKUWA IKUO (JP)

PCT/JP1998/005647

June 24, 1999

December 15, 1998

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MURATA MANUFACTURING CO (JP)
SAITOH ATSUSHI (JP)
NISHIDA HIROSHI (JP)
TANIZAKI TORU (JP)
TAKAKUWA IKUO (JP)

H01P1/04; H01P3/16; (IPC1-7): H01P3/16; H01P1/04

JPS59183002U	1984-12-06
JPH0865015A	1996-03-08
JPH088617A	1996-01-12
JPH09102706A	1997-04-15
JPH0870206A	1996-03-12

TANIZAKI T., ET AL.: "60GHZ BAND HNRD IMPROVED TEMPERATURE CHARACTERISTICS.", DENSHI JOUHOU TSUUSHIN GAKKAI TSUUSHIN, XX, XX, 1 January 1997 (1997-01-01), XX, pages 102., XP002919282
ISHIKAWA Y., ET AL.: "SINGLE MODE NRD GUIDE COUPLED WITH PLANAR CIRCUIT.", DENSHI JOUHOU TSUUSHIN GAKKAI TSUUSHIN, XX, XX, 1 January 1996 (1996-01-01), XX, pages 169., XP002919283

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