Glow discharge lamp
US5025190A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1987 |
| Grant date | Jun 18, 1991 |
| Priority date | — |
| Expiry date | Dec 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.