Transition from a waveguide to a microstrip having a secured...

Details Transition from a waveguide to a microstrip having a secured... Transition from a waveguide to a microstrip having a secured...

2006-02-21

2006-02-21

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

C333S033000

Reexamination Certificate

active

07002431

ABSTRACT:
A transition from a waveguide to a microstrip, including a substrate having a plurality of ground surfaces superimposed on one another, the microstrip extending on the substrate and a plurality of through-contacts providing electrical connectivity to the plurality of ground surfaces. Wherein the waveguide includes a waveguide wall with an opening therein, the substrate projecting through the opening into the waveguide such that at least a portion of the microstrip is disposed within the waveguide, at least one of the plurality of ground surfaces being in contact with the waveguide wall.

REFERENCES:
patent: 5374938 (1994-12-01), Hatazawa et al.
patent: 5982250 (1999-11-01), Hung et al.
patent: 6239669 (2001-05-01), Koriyama et al.
patent: 6396364 (2002-05-01), Qvist

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