n the early 90’s the
HPL lamp was developed in close cooperation of
ETC™ and USHIO. A decade later
the
ceramic base was the response for applications in humid surrounding where arcing between the
socket and the metal
base occurred. As some of our customers prefer the traditional design, we now
re-launch the Metal
base type next to our
Ceramic base type.
Both types are identical in life-time and optical performances. Certainly they both feature USHIO’s ultra
compact
filament design giving maximum
intensity with an even circular light distribution ...