Patent · US Expired

Magnetron apparatus and manufacturing method therefor

US6351071B1 · kind B1 · utility

5Cited by
2References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 2, 1999
Grant dateFeb 26, 2002
Priority date
Expiry dateNov 2, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J23/005
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A magnetron apparatus and a manufacturing method therefor according to the present invention comprises a magnetron having a tubular anode and a cathode, a magnetic circuit having first and second magnets disposed around the upper and lower opening end portions of the tubular anode, respectively, and a yoke disposed enclosing the tubular anode and the first and second magnets, and a radio wave leakage preventor having a filter case and LC filter circuit components disposed inside the filter case, wherein at least the filter case is filled with an insulating cooling liquid.

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