SAW SENSOR WITH ADJUSTABLE PRELOAD
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United States of America Patent
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N/A
Issued Date -
Jan 1, 2009
app pub date -
Aug 13, 2008
filing date -
Jul 25, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A SAW based sensor having a base and a lid engageable with the base to form an internal cavity therewith. A substrate is supported in the cavity on either tile base or the lid 13 and a dimple 16 is formed on the other which extends towards the substrate so as to engage against the substrate and apply a preload thereto. The base and lid include complementary threads by means of which they are attachable to each other. The preload applied to the substrate by the dimple 16 is adjustable by varying the rotational position of the lid relative to the base.
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