Patent · US Expired

Plasma digital density determining device

US3952246A · kind A · utility

8Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1975
Grant dateApr 20, 1976
Priority date
Expiry dateMay 29, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R29/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The density of a decaying plasma in an electrically conducting enclosure is determined by applying an excitation to the cavity formed by the enclosure and counting digitally the number of resonant frequencies traversed by the combination of the cavity and the decaying plasma.

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