Arctube for high pressure discharge lamp
US5866982A · kind A · utility
20Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1996 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | Jan 29, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J65/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high pressure discharge lamp utilizing an improved ceramic arctube. The arctube has a ceramic central portion, a first ceramic leg extending from one end of the central portion and in some embodiments a second ceramic leg extending from the other end of the central portion. The arctube has reinforcing means where one or both of the legs joins the central portion to reinforce and strengthen the connection between each leg and the central portion. The reinforcing means is preferably seal glass or a layer of seal glass adjacent a ceramic ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.