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Japan's National Astronomical Observatory
(NAO) ordered massive, high-performance vacuum equipment for
the laser interferometer of the observatory's gravitational
wave detector. UFT played a key part in preparing this equipment
for NAO's five-year TAMA 300 project to monitor distortion in
gravitational waves propelled at light speed through space by
massive stellar explosions and other phenomena. The equipment
we finished consisted of an L-shaped vacuum duct system 400
mm in diameter extending 300m in either direction and eight
vacuum chambers equipped with gravitational wave interferometers.
By applying electrochemical buffing technology, we met the designers'
needs for equipment that produces an ultra-high intensity vacuum
of 10-7 Pa in a non-baking system.
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| UFT prepared
vacuum systems to support the research efforts of the
National Institute of Advanced Industrial Science and
Technology (AIST). Researchers establishing national industrial
standards for vacuum pressure will derive standard pressure
values by examining the precise pressure values reported
by the equipment as it detects the minute flow of gases.
Consisting of six vacuum chambers ranging in capacity
from 0.1L to 160L, the equipment will be used to study
traceability under vacuum pressure. Finishing the chambers
by electrochemical buffing lowers their outgassing profiles
and reduces their gas adsorption, which is a great advantage
in the research. |
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