Millimeter-wave transreflector and system for generating a...

Details Millimeter-wave transreflector and system for generating a... Millimeter-wave transreflector and system for generating a...

2007-12-04

2007-12-04

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna components

C343S756000, C333S202000

Reexamination Certificate

active

11100200

ABSTRACT:
A planar multi-layer transreflector for generating collimated coherent energy comprises one or more of insulating layers between two or more metallic layers. The transreflector substantially reflects a cross-polarized component of an incident millimeter-wave signal and substantially transmits the remaining portions of the incident millimeter-wave signal. Each of the metallic layers comprises a plurality of rectangles arranged in a grid pattern radially varying in size within circumferential regions. The reflected cross-polarized component may be substantially orthogonal to the transmitted remaining portions. A substantially collimated and coherent wavefront comprising the remaining portions may be produced in a first direction, and substantially collimated and coherent wavefront comprising the cross-polarized components may be produced in a second direction.

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patent: 1 120856 (2000-08-01), None

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