Method and system for radio frequency energy transmission in an

Details Method and system for radio frequency energy transmission in an Method and system for radio frequency energy transmission in an

1991-12-27

1993-11-23

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563074, 1563077, 244119, 2441291, 333 243, 333230, 343705, 343850, 428247, B32B 3100

Patent

active

052640647

ABSTRACT:
A method and system for controlling the transmission of radio frequency energy through an imperforate multi-layer fiber and resin composite structure. Multiple segments of conductive mesh are embedded between layers of fiber and resin in at least partially overlapping positions. Apertures within the conductive mesh are limited to diameters substantially smaller than the wavelengths of the radio frequency energy utilized; however, the apertures are large enough to permit resin to flow into those apertures during the cure process, thereby limiting the possibility of delamination during loading of the resultant composite structure. By utilizing nonconductive materials, such as glass fibers and a resin material having an appropriate dielectric constant, it is possible to create a radio frequency energy guide or capacitive structure which permits the controlled transmission of radio frequency energy through an imperforate composite structure. By utilizing overlapping segments of conductive mesh, each having a large aperture therein, it is also possible to create an electrically resonant cavity within an imperforate multi-layer fiber and resin composite structure without requiring apertures or discontinuities which might weaken the resultant structure.

REFERENCES:
patent: 3098230 (1963-07-01), Nickerson et al.
patent: 3329957 (1967-07-01), Hoynes
patent: 3987230 (1976-10-01), Gaku et al.

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