Patent · US Expired

Magnetron with cathode end shields coated with secondary electron emission inhibiting material

US3988636A · kind A · utility

9Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 1975
Grant dateOct 26, 1976
Priority date
Expiry dateMar 26, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J23/05
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

In a magnetron comprising a cathode electrode, an anode electrode surrounding the cathode electrode and end shields mounted on the opposite ends of the cathode electrode, the inner surfaces of one or both end shields are provided with thin layers of a powder of tungsten, molybdenum, or alloys thereof.

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