Low pim reflector material

Details Low pim reflector material Low pim reflector material

H - Electricity

01

Q

H01Q 15/14 (2006.01) H01Q 1/28 (2006.01) H01Q 15/16 (2006.01)

Patent

CA 2210229

A mesh material (10) for a spacecraft antenna (20) reflector is disclosed. The mesh material has a base material (12) made from a dielectric fabric. A conductive material (14), such as nickel, is applied to the dielectric mesh. The type and thickness of the conductive material is adjusted to regulate the final conductivity of the reflective surface to a predefined range. The present invention utilizes a range that reduces PIM while at the same time maintains a high degree of RF reflectivity. The preferred range is 0.01 to 10 ohms per square.

Matériau maillé (10) pour réflecteur d'antenne d'engin spatial (20). Ledit matériau comporte une base (12) de tissu diélectrique. Un matériau conducteur (14), tel que le nickel, est appliqué au matériau maillé diélectrique. Le type et l'épaisseur du matériau conducteur sont adaptés de façon à régler à l'intérieur d'une plage prédéfinie la conductivité finale de la surface réflectrice. La plage utilisée réduit la PIM tout en maintenant un degré élevé de réflectivité RF. De préférence, elle va de 0,01 à 10 ohms par carré.

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