Patent ID: 11892423
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A sensor, comprising:
a detection film formed from a resin composition;
a first electrode provided on a first surface of the detection film; and
a second electrode provided on a second surface of the detection film,
wherein the first surface of the detection film includes a rough surface having fine irregularities with a root mean square roughness (Sq) of 0.5 μm to 2.5 μm in a portion that is in contact with the first electrode, wherein the rough surface is on a side of the sensor exposed to an external environment,
wherein the sensor has flexibility,
wherein the detection film is a moisture-sensitive film, and
wherein the moisture-sensitive film is formed from a resin composition containing a polyimide resin component.