Patent · US Expired

Glow discharge lamp

US5025190A · kind A · utility

0Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1987
Grant dateJun 18, 1991
Priority date
Expiry dateDec 30, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J61/64
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A glow discharge lamp that includes a light transmitting envelope containing a noble gas fill material and a pair of electrodes disposed in the envelope. Lead-in wires coupled to the electrodes and extend to and are hermetically sealed in the envelope The electrodes are disposed in oppositely spaced positions in the envelope preferably upper and lower positions with the electrodes positioned outside of the bulbous region of the envelope to thereby retard the formation of deposits at the main bulbous region of the envelope.

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