Patent ID: 11958307
Assignee: FUJIFILM CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  C  G | IPC B  G

Claim 7:
8. A material set for pressure measurement, comprising:
the material for pressure measurement according to claim 3; and
a color developing material having a color developer layer containing an electron-accepting compound, wherein a material of the support of the material for pressure measurement is a polyethylene terephthalate film; a thickness of the easy adhesion layer is in a range of from 0.005 μm to 0.2 μm; a coefficient of variation of particle size distribution of all particles contained in the color forming layer is 35% to 150%; the color forming layer comprises microcapsules B not encapsulating an electron-donating colorless dye precursor, and a volume standard median diameter D50A of the microcapsules A and a volume standard median diameter D50B of the microcapsules B satisfy Equation 1:

D50A<D50B  Equation 1.