Bonded beam lamp

Details Bonded beam lamp Bonded beam lamp

H - Electricity

01

K

240/11, 313/85

H01K 1/36 (2006.01) H01K 3/12 (2006.01)

Patent

CA 1255736

D-89-1-065 BONDED BEAM LAMP ABSTRACT An electric lamp having an envelope, formed from a lens and a reflector that are sealed together by adhesive means, a light source and a base. The adhesive means has a curing temperature that is equal to or higher than the operating temperature of the lamp and a higher index of thermal expansion than the lens and reflector material. The adhesive means includes an epoxy, that is either heat or ultraviolet curable, which is disposed on the sealing surfaces of the glass lens and reflector. Sealing in this fashion obviates the need for flame sealing the glass lens and reflector together and results in a lamp that is substantially free from thermally induced strains in either the lens or the reflector.

486633

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