SOLIDIFICATION SENSOR
First Claim
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1. A solidification sensor comprising:
- a liquid absorbing portion formed of a member capable of absorbing a liquid,a substrate coupled to the liquid absorbing portion, anda strain sensor for measuring a strain exerted to the substrate.
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Abstract
In a solidification sensor for measuring a solidification state of a liquid with a high degree of accuracy in real time, and for making the sensor small-sized with a reduced power consumption, the solidification sensor comprises a liquid absorbing portion formed of a liquid absorbable material, a substrate coupled to the liquid absorbing portion and a strain sensor for measuring strain exerted to the substrate due to a volumetric change upon solidification of a liquid absorbed in the liquid absorbing portion.
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Citations
15 Claims
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1. A solidification sensor comprising:
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a liquid absorbing portion formed of a member capable of absorbing a liquid, a substrate coupled to the liquid absorbing portion, and a strain sensor for measuring a strain exerted to the substrate. - View Dependent Claims (2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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4. A solidification sensor as set forth in claim, wherein the substrate provided with the strain sensor has a U-like cross-sectional shape.
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15. A method of detecting a solidification, comprising the steps of:
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absorbing a liquid in a liquid absorbing portion, causing a substrate to generate a strain due to a volumetric change of said liquid absorbing portion, and detecting said strain exerted to said substrate.
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Specification