Patch radiator element and array thereof

Details Patch radiator element and array thereof Patch radiator element and array thereof

2007-02-20

2008-11-11

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S846000, C343S850000

Reexamination Certificate

active

07450071

ABSTRACT:
An antenna element for use with an array includes an elongated slot fed from a waveguide for exciting a patch radiator. An elongated thermally conductive strip lies between the slot and the patch, and is parallel with the direction of elongation of the slot. A radome extends above the patch. In one embodiment, a thermal conductor rod extends from the thermally conductive strip to the patch, and coaxially above the patch to the radome. In a preferred embodiment, the slot is ridged and (inter) digitated near its ends. The slot is excited from stripline by means of an elongated conductive strip orthogonal to the elongation of the slot. Through vias extend through and between thin electrically conductive layers to define the waveguide and provide heat sinking.

REFERENCES:
patent: 5355143 (1994-10-01), Zurcher et al.
patent: 6008763 (1999-12-01), Nystrom et al.
patent: 6072434 (2000-06-01), Papatheodorou
patent: 6956528 (2005-10-01), Lee et al.
patent: 6995711 (2006-02-01), Killen et al.

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