Optically transparent microstrip patch and slot antennas

Details Optically transparent microstrip patch and slot antennas Optically transparent microstrip patch and slot antennas

1998-02-13

1999-02-16

Le, Hoanganh

Communications: radio wave antennas

Antennas

Microstrip

343767, 343769, H01Q 138

Patent

active

058725423

ABSTRACT:
An antenna (10, 110, 210) comprising a ground layer (30, 130, 230), a feed layer (50, 150, 250), an antenna layer (40, 140, 240) and a transparent dielectric substrate (20, 120, 220) interposed between two of the layers (30 and 40, 140 and 150, 230 and 250). An electromagnetic field is produced between the ground layer (30, 130, 230) and the antenna layer (40, 140, 240) when the feed and ground layers (50 and 30, 150 and 130, 250 and 230) are exposed to a microwave frequency above 3,000 megahertz for transmission and when the antenna and ground layers (40 and 30, 140 and 130, 240 and 230) are exposed to a microwave frequency above 3,000 megahertz, for reception. The ground layer (30, 130, 230), feed layer (50, 150, 250) and antenna layer (40, 140, 240) are made of an optically transparent and electrically conductive material. About 30% of the visible light impinging on the antenna (10, 110, 210) passes through the antenna.

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"Transparent Conductors-A status Review", by K.L. Chopra, S. Major and D.K. Pandya, vol. 102(1983), pp. 1-46.

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