Patent · US Expired

Structures and methods for coupling energy from an electromagnetic wave

US7253426B2 · kind B2 · utility

52Cited by
25References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 2005
Grant dateAug 7, 2007
Priority date
Expiry dateOct 13, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J25/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A device couples energy from an electromagnetic wave to charged particles in a beam. The device includes a micro-resonant structure and a cathode for providing electrons along a path. The micro-resonant structure, on receiving the electromagnetic wave, generates a varying field in a space including a portion of the path. Electrons are deflected or angularly modulated to a second path.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.