Patent · US Expired

Electron gun

US4621213A · kind A · utility

15Cited by
2References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 1984
Grant dateNov 4, 1986
Priority date
Expiry dateJul 2, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J35/04
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electron gun which can be easily disassembled to replace a defective cathode assembly and which can be easily and quickly reassembled and realigned.

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