Load cell having a thin film strain-inducible element
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United States of America Patent
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-
Jan 6, 1987
Grant Date -
N/A
app pub date -
May 1, 1985
filing date -
May 17, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A load cell wherein strain gauges are produced by a thin film process on a pattern forming surface of a strain-inducible element in such a manner that the resistances of the strain gauges are varied in accordance with deformations caused in thin portions of the strain-inducible element, and adjustable resistors are deposited by the thin film process for an electric circuit assembly including a differential amplifier, a potential divider, a signal amplifier and a zero-point setter. And each of the resistors is adjusted by trimming simultaneously with trimming adjustment of the strain gauges.
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