CPC G01L 1/247 (2013.01) [G01L 1/242 (2013.01)] | 20 Claims |
1. A pressure measuring material comprising:
a substrate; and
a pressure-sensitive layer,
wherein the pressure-sensitive layer contains a polymer matrix containing a polymer compound having a molecular weight of 1,000 or more, microcapsules encapsulating an electron-donating dye precursor and a solvent, and an electron-accepting compound, and
the microcapsules and the electron-accepting compound are contained in the polymer matrix.
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