Metal ferrules for hermetically sealing electric lamps

Details Metal ferrules for hermetically sealing electric lamps Metal ferrules for hermetically sealing electric lamps

C - Chemistry, Metallurgy

23

C

C23C 30/00 (2006.01) C03C 27/02 (2006.01) C03C 27/04 (2006.01) C22C 38/08 (2006.01) H01J 5/50 (2006.01) H01J 9/24 (2006.01) H01K 1/36 (2006.01) H01K 3/20 (2006.01) H01K 3/26 (2006.01) H01R 4/62 (2006.01) H01R 13/03 (2006.01)

Patent

CA 2082707

LD 10381 METAL FERRULES FOR HERMETICALLY SEALING ELECTRIC LAMPS ABSTRACT OF THE DISCLOSURE Electric lamps made using nickel-plated, high nickel content iron alloy ferrules wherein the ferrules have been heated above their surface oxidation temperature and then reduced during the lamp-making process have strong bonds between the ferrule and solder using non-corrosive soldering flux, even when using lead-free solder.

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