High-strength microwave antenna assemblies
First Claim
1. A microwave antenna assembly comprising:
- a feedline including an inner conductor, an outer conductor, and a first dielectric disposed between the inner and outer conductors;
a radiating portion coupled to the feedline via compression and electrically connected to the inner conductor; and
a second dielectric separating at least a portion of the radiating portion from contact with the outer conductor.
4 Assignments
0 Petitions
Accused Products
Abstract
Various high-strength microwave antenna assemblies are described herein. The microwave antenna has a radiating portion connected by a feedline to a power generating source, e.g., a generator. The antenna is a dipole antenna with the distal end of the radiating portion being tapered and terminating at a tip to allow for direct insertion into tissue. Antenna rigidity comes from placing distal and proximal radiating portions in a pre-stressed state, assembling them via threaded or overlapping joints, or fixedly attaching an inner conductor to the distal portion. The inner conductor is affixed to the distal portion by, e.g., welding, brazing, soldering, or by adhesives. A junction member made from a hard dielectric material, e.g., ceramic, can be placed between the two portions and can have uniform or non-uniform shapes to accommodate varying antenna designs. Electrical chokes may also be used to contain returning currents to the distal end of the antenna.
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Citations
19 Claims
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1. A microwave antenna assembly comprising:
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a feedline including an inner conductor, an outer conductor, and a first dielectric disposed between the inner and outer conductors; a radiating portion coupled to the feedline via compression and electrically connected to the inner conductor; and a second dielectric separating at least a portion of the radiating portion from contact with the outer conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A microwave antenna assembly comprising:
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a feedline including an inner conductor, an outer conductor, and a first dielectric disposed between the inner conductor and the outer conductor; a radiating portion electrically connected to the inner conductor and mechanically coupled to the feedline; and a second dielectric separating at least a portion of the radiating portion from contact with the outer conductor, the radiating portion coupled to the feedline via a compressive force applied on the second dielectric by at least one of the feedline or the radiating portion. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification