Ultrahoch-Vakuumapparat

A vacuum container is evacuated to be kept at an ultra-high vacuum. Valve means is provided for connecting and disconnecting the inside of the vacuum container with and from the outside thereof, and includes a vacuum-tight seal made of a high polymer having a water absorptivity of 0.1 % and less and...

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Bibliographic Details
Main Authors HIROKI, MINORU, KATSUTA-SHI, IBARAKI 312, JP, SATOU, OSAMU, HITACHI-SHI, IBARAKI 316, JP, OKURA, AKIMITSU, KATSUTA-SHI, IBARAKI 312, JP, KOBARI, TOSHIAKI, NIIHARI-GUN, IBARAKI 315, JP, ISHIDA, YASUHIKO, KATSUTA-SHI, IBARAKI 312, JP, KIMURA, HIDEITI, KATSUTA-SHI, IBARAKI 312, JP, NAKAIZUMI, YASUSHI, KATSUTA-SHI, IBARAKI 312, JP
Format Patent
LanguageGerman
Published 16.10.1997
Edition6
Subjects
ACTUATING-FLOATS
ADHESIVES
BLASTING
CHEMISTRY
COCKS
CYLINDERS
DEVICES FOR VENTING OR AERATING
DYES
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LIGHTING
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
MEASURING
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PHYSICS
PISTONS
POLISHES
SEALINGS
TAPS
TESTING
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:A vacuum container is evacuated to be kept at an ultra-high vacuum. Valve means is provided for connecting and disconnecting the inside of the vacuum container with and from the outside thereof, and includes a vacuum-tight seal made of a high polymer having a water absorptivity of 0.1 % and less and an outgassing rate of 2.5x10<-> (Pa. l /sec/cm :at 200 DEG C) and less.
Bibliography:Application Number: DE19936009176T