Patents Represented by Attorney John F. A. Harding, Earley, Folimer & Frailey Earler III - Justia Patents Search

Patents Represented by Attorney John F. A. Harding, Earley, Folimer & Frailey Earler III

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Hermetically-sealed electrically-absorptive low-pass radio frequency filters and electromagnetically lossy ceramic materials for said filters

Patent number: 5942842

Abstract: An electromagnetically lossy liquid- or gas-tight fusion seal for use as a low pass radio frequency signal filter constructed as a matrix of glass binder and ferrimagnetic and/or ferroelectric filler. Metal cased electrical filters are made by reflowing the material to form fused glass-to-metal seals and incorporating electrical thru-conductors therein which may be formed as inductive windings.

Type: Grant

Filed: August 25, 1998

Date of Patent: August 24, 1999

Inventor: Homer William Fogle, Jr.