Hermetically sealed waffle-wall configured assembly including si

Details Hermetically sealed waffle-wall configured assembly including si Hermetically sealed waffle-wall configured assembly including si

1990-10-01

1993-06-08

Hille, Rolf

Communications: radio wave antennas

Antennas

Wave guide type

333246, 343783, 343784, 343872, H01Q 1302, H01Q 142, H01P 308

Patent

active

052183734

ABSTRACT:
Directed millimeter wave radiation from internal elements of a microwave circuit through the housing cover, housing base, and side walls of a hermetically-sealed MMIC integrated subsystem assembly uses a waffle-wall array of conductive posts as a band rejection filter to provide walls which guide the radiated waves through a hermetically sealed window in the housing base for waveguide propagation or to a dielectric side wall or cover to radiate energy therethrough. For a waveguide launch, the launch probe is printed on a TEM mode microstrip transmission line substrate and is located over or on a dielectric window formed at the end of an air filled waveguide. A waveguide-like mode of propagation is launched perpendicular to the microstrip substrate and the energy is transmitted through the dielectric window into the air dielectric waveguide which extends through the housing base. Side wall mounted antennas use radiating elements placed near the side walls of the subsystem assembly and are surrounded on their remaining sides by the conductive post structure. The launched waves propagate toward the dielectric side wall to radiate outwardly from the subsystem assembly. For radiating energy through the subsystem assembly cover, a launch probe is located under a dielectric aperture in the hermetically-sealed cover.

REFERENCES:
patent: 4614947 (1986-09-01), Rammos
patent: 4626865 (1986-12-01), Rammos
patent: 4819004 (1989-04-01), Argintaru et al.
patent: 4827276 (1989-05-01), Fukuzawa et al.
patent: 4829314 (1989-05-01), Barbier et al.
patent: 5019829 (1991-05-01), Heckaman et al.
patent: 5023624 (1991-06-01), Heckaman et al.
patent: 5065123 (1991-11-01), Heckaman et al.

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