Patent · US Expired

High temperature electronic gain device

US4138622A · kind A · utility

7Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1977
Grant dateFeb 6, 1979
Priority date
Expiry dateAug 4, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J21/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An integrated thermionic device suitable for use in high temperature, high radiation environments. Cathode and control electrodes are deposited on a first substrate facing an anode on a second substrate. The substrates are sealed to a refractory wall and evacuated to form an integrated triode vacuum tube.

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