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 What is FGM Technology?
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FGM, or the Functional Gradient Material
is the unique design of the arc tube that sets these lamps apart from their
predecessors. The advanced patented design, developed in Japan, is a kind of
quartz-ceramic hybrid.
The arc tube body is made from quartz, and its high
transparency enables the miniature arc to be positioned precisely at the focal
point of the reflector. There are already such quartz lamps, but cracking in the
area of the arc tube seals is a perennial cause of lamp failure. |
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Arc Meister lamps take advantage of an ingenious sealing
technique, in which electrically conductive ceramic rods rather than molybdenum
sealing ribbons carry the current into the arc tube. What's more impressive is
that these ceramic rods have variable composition along their length, which
gives them a kind of graded thermal expansion coefficient. Indeed, the rods are
partially "dissolved" into the quartz and the two become part of the same
structure. The result is an extreme robust seal, and leaking arc tubes and
premature failures can be all but eliminated. The patented new seal technology
is known as the FGM (Functional Gradient Material) seal. The
benifit of this technology is that it has extended lamp life to 6,000 hours, and
its increased relialibity successfully eliminates the premature failures that
often plague short-arc lamps, and create a maintenance headache..
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| Advantages of the FGM
Technology | |
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FGM glass sealing reduces thermal tension
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Innovative patented sealing technique
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