Patent ID: 6344781
Filing Date: 2002-02-05
Classification: H01F,H05K

Abstract:
A microwave choke comprising:an electrically conductive wire having first and second ends; the wire wound into a hollow conic coil, the coil having a small end and a large end, a first winding of the wire at the small end of the coil, the small and large ends of the coil having inner and outer diameters and radii; the first and second ends of the wire extending as first and second leads from the small and large ends of the coil respectively; a coating of electrical insulation on the wire except on the leads; the first lead being free of insulation to within a distance from the first winding of the coil of no greater than 0.020 inches; the coil filled with a core of magnetic material; and, the core not extending externally from the small end of the coil.