Incandescent lamp with improved press seal

Details Incandescent lamp with improved press seal Incandescent lamp with improved press seal

H - Electricity

01

J

313/178, 316/32

H01J 5/50 (2006.01) H01J 9/32 (2006.01) H01K 1/38 (2006.01)

Patent

CA 1241052

D-84-1-057 -12- TITLE: INCANDESCENT LAMP WITH IMPROVED PRESS SEAL ABSTRACT An improved electric lamp including an envelope of high silica glass material having a press sealed end wherein there is embedded a thin molybdenum foil which in turn forms part of the lamp's lead-in wire assembly. Crack formation in the area of the interface between the foil's external longitudinal surfaces and the compressed glass material is substantially prevented by providing the longitudinal sides of the foil with rough surfaces to assure substantial adhesion between the glass material and foil when the press sealed end is subjected to elevated temperatures (e.g., during pressing and/or subsequent lamp operation). These rough surfaces are provided by exposing the longitudinal sides of the foil to a sandblasting operation.

481685

Affiliated with

Also associated with

Rating

Incandescent lamp with improved press seal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Incandescent lamp with improved press seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Incandescent lamp with improved press seal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1208562