| 摘要 |
It is an object to prevent breakage of a mechanical quantity measuring apparatus made of a monocrystalline silicon substrate due to a large distortion. A mounting board for measuring distortion is provided on a rear surface of a sensor chip made of a semiconductor monocrystalline substrate having a distortion detecting unit. Even when a large distortion occurs in an object to be measured, a distortion occurring in the semiconductor monocrystalline substrate can be controlled by the mounting board. Therefore, the semiconductor monocrystalline substrate is not broken, and a highly reliable mechanical quantity measuring apparatus can be provided.
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