Load cell having thin film strain gauges
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United States of America Patent
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Feb 21, 1984
Grant Date -
N/A
app pub date -
Nov 23, 1981
filing date -
Nov 29, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A load cell includes a bridge circuit having first to fourth strain gauge resistors and first and second temperature compensating resistors connected to the respective first and second strain gauge resistors. The first to fourth strain gauge resistors comprise a Nichrome layer formed on an insulating film, the first and second temperature compensating resistors each comprise a two-layered structure of the Nichrome layer and a titanium layer formed thereon, and connecting means for connecting the first to fourth strain gauge resistors and first and second temperature compensating resistors comprise a three-layered structure of the Nichrome layer and titanium layer and also a gold layer formed on the titanium layer.
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