Thin-layered structure
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United States of America Patent
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Dec 1, 2015
Grant Date -
Sep 17, 2009
app pub date -
Mar 12, 2009
filing date -
Mar 12, 2008
priority date (Note) -
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Abstract
The invention provides a vacuum enclosure which is defined by a wall having inner and outer surfaces, where the inner surface is in contact with the vacuum and the outer surface is in contact with ambient air. The vacuum enclosure is characterized by the presence therein of a getter for undesired gaseous contaminants. The getter includes a substrate (either integral with the inner surface or not) and, deposited thereon by vacuum deposition, a thin-layer laminate including at least one layer (α) of substance(s) such as platinum group metals and oxides thereof, and at least one porous hydrophilic layer (β). A corresponding layered structure having utility as a getter is also part of the invention.
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