Casing for an electrical component
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United States of America Patent
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Nov 15, 2011
Grant Date -
Feb 4, 2010
app pub date -
Jan 31, 2008
filing date -
Feb 1, 2007
priority date (Note) -
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Abstract
A casing for encapsulation of an electrical component, for example a piezoelectric actuator, comprising an outer layer of a semipermeable material and an inner layer comprising a chemically active, hydrophilic substance that chemically combines with water to form a compound.
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