Strain gage
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United States of America Patent
Stats
-
Oct 4, 1988
Grant Date -
N/A
app pub date -
Aug 14, 1987
filing date -
Aug 14, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an improved strain gage for measuring pressure differentials within areas of varying pressure there is provided a flexible sapphire diaphragm having disposed thereon a Wheatstone bridge. The diaphragm being attached to a base portion by way of a glass bonding material. The base portion's function being to support the flexible diaphragm without interfering with the measurement of strain. The diaphragm having a recess extending to a predetermined depth thereby defining a recessed area having a peripheral edge in order to create pressure points at the peripheral edge of the recess adjacent the recessed area of the diaphragm.
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Cited Art Landscape
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