Coupled microstrip lines

Details Coupled microstrip lines Coupled microstrip lines

1997-12-15

2000-01-18

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333238, 29829, 156 47, H01P 518

Patent

active

06016087&

ABSTRACT:
In a coupled line, microstrip lines are formed so as to be arranged with a spacing that is narrower than the smallest possible space that is obtainable with a conventional electrode forming process, on a top side thereof spaced away from a dielectric substrate. The microstriplines have a trapezoid-shaped cross-section with the narrower major surface at the bottom, in contact with the dielectric substrate. Such formation makes it possible to strengthen the coupling between the microstrip lines, and to reduce the conductor loss of the microstrip lines.

REFERENCES:
patent: 5017509 (1991-05-01), Tuckerman
patent: 5329263 (1994-07-01), Minami
patent: 5493263 (1996-02-01), Tozawa
Jansen, R.H.: Streifenleitungstechnik (Mikrostrip-Technik)--Ein Uberblick uber die physikalischen Grundprinzipien und Bauelemente (1. Teil). In: Ntz Archiv, 1981, pp. 159-167.
German Office Action dated Dec. 14, 1998 and translation.
Great Britain Office Action and Search Report dated Mar. 26, 1998.
Great Britain Online Search dated Apr. 7, 1998.

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