Discharge tubes for a lamp include a body portion with a first end, a second end, and a tubular member defining an interior area. The tubular member extends along an elongated axis between the first end and the second end. The discharge tube further includes a first end portion provided at the first end of the body portion. The first end portion includes a first tubular extension having a first through passage in communication with the interior area. The first end portion further includes a first transition section connected between the first tubular extension and the body portion.
CROSS-REFERENCE TO RELATED APPLICATIONS
This is a continuation application of application Ser. No. 11/076,211 filed Mar. 9, 2005, now U.S. Pat. No. 7,279,838 hereby incorporated by reference.
