Patent ID: 8456088

Claim:
A light source capsule ( 16 ) having a capsule envelope ( 18 ) with a wall ( 20 ) defining an enclosed volume ( 22 ), and having a sealed portion ( 24 ), said sealed portion ( 24 ) having an end face ( 51 ) and opposing lateral faces ( 50 , 52 ); a light source ( 26 ) positioned in the enclosed volume ( 22 ) having electrical lead-ins ( 28 , 30 ) extending from said end face ( 51 ); and lead-in engagers ( 32 ) overlying said sealed portion ( 24 ) of the capsule envelope ( 18 ) and electrically coupled to the electrical lead-ins ( 28 , 30 ), each said lead-in engager ( 32 ) being formed, as seen in cross-section, of a solid rod, said solid rod comprising a straight rod portion, said straight solid rod portion having, in a region proximate said sealed portion ( 24 ), a uniform cross-sectional shape along a longitudinal extent of said lead-in engagers ( 32 ) whereby each said straight solid rod portion overlies only a single face ( 50 , 51 , 52 ) of said sealed portion ( 24 ).