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US 4,901,028 AGranted
Field emitter array integrated distributed amplifiers
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsHenry F. Gray, Richard F. Greene
Life of this patent
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Abstract
Distributed amplifiers in integrated circuit form wherein dielectric material and electrically conductive material combine to form field emitter cathodes, grids, and anodes in a module forming one or more amplifier cells embedded in a matrix of reactive impedances that form companion stripline-like transmission lines in a vacuum or sufficiently low pressure gas such that electrons remain unscattered during travel over trajectories from cathode to anode in a cell.
Claims9
A distributed amplifier comprising,
- a grid;
- a collector;
- and
- a field emitter;
- wherein said grid and said emitter are adapted to form an input electromagnetic waveguide for said amplifier, and said collector and said emitter are adapted to form an output electromagnetic waveguide for said amplifier, both said input electromagnetic waveguide and said output electromagnetic waveguide being adapted to have equal impedance effective to cause the speed of electromagnetic propagation in each said waveguide to be substantially equal;
- and wherein said emitter is in the shape of an elongate wedge disposed along an elongate distance substantially parallel to the direction of electromagnetic propagation in each said waveguide.
3 more elements
Dependencies are inferred from the claim text.