Emi suppression gasket for millimeter waveguides
AssigneeHughes Aircraft Company
InventorsLarissa Domnikov, Theodore S. Fishkin, James A. Patrick, Gilbert Garcia
Life of this patent
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Abstract
A one-piece gasket is used between millimeter waveguide sections to prevent energy leakage from the joint. The gasket consists of an electrically conductive elastomeric ring filled with metallic particles, a conformable metallic inner shield on the inner periphery of the ring, and a conformable metallic outer shield on the outer periphery of the ring. The gasket is conveniently prepared by casting the filled elastomer in place between the shields.
Claims13
A gasket for use in sealing a joint between two millimeter waveguides, each waveguide having an end disposed in an abutting relation to an end of the other waveguide, comprising:
- an electrically conductive, conformable plate having an outer periphery and dimensioned to fit between and contact the ends of the two millimeter waveguides, and having a bore therethrough defining an inner periphery of the plate;
- an inner shield of a conformable metal sheet through which millimeter waves are not permitted to pass, joined to the inner periphery of the plate and extending between the waveguides;
- and
- an outer shield of a conformable metal sheet through which millimeter waves are not permitted to pass, joined to the outer periphery of the plate and extending between the waveguides.
A gasket for sealing a joint between two pieces, comprising:
- an electrically conductive, flexible plate having a central bore therethrough and an outer periphery;
- a metallic inner shield through which short wavelength energy is not permitted to pass, joined to the plate along the central bore and extending between the pieces;
- and
- a metallic outer shield through which short wavelength energy is not permitted to pass, joined to the plate along its outer periphery and extending between the pieces.
Dependencies are inferred from the claim text.