Communications: radio wave antennas – Antennas – With variable reactance for tuning antenna
Reexamination Certificate
2007-01-16
2007-01-16
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
With variable reactance for tuning antenna
C331S059000, C331S1170FE
Reexamination Certificate
active
10827061
ABSTRACT:
Inductor-capacitor (LC) RF resonator circuits are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The ratio of the weight of the conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers to the weight of the base resin host is between about 0.20 and 0.40. The micron conductive powders are formed from non-metals, such as carbon, graphite, that may also be metallic plated, or the like, or from metals such as stainless steel, nickel, copper, silver, that may also be metallic plated, or the like, or from a combination of non-metal, plated, or in combination with, metal powders. The micron conductor fibers preferably are of nickel plated carbon fiber, stainless steel fiber, copper fiber, silver fiber, or the like. The conductive loaded resin-based inductor-capacitor (LC) RF resonator circuits can be formed using methods such as injection molding compression molding or extrusion. The conductive loaded resin-based material used to form the inductor-capacitor (LC) RF resonator circuits can also be in the form of a thin flexible woven fabric that can readily be cut to the desired shape.
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Cleland et al., “Fabrication of high frequency nanometer scale mechanical resonators from bulk Si crystals”, Applied Physics Letter 69(18), Oct. 28, 1996, pp. 2653-2655.
Integral Technologies, Inc.
Nguyen Hoang V.
Schnabel Douglas R.
Tran Chuc
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