US 12,222,307 B2
Polymer material, sensor element, and gas measurement device
Yukiko Moriizumi, Tokyo (JP); and Raitaro Masaoka, Tokyo (JP)
Assigned to TDK CORPORATION, Tokyo (JP)
Filed by TDK CORPORATION, Tokyo (JP)
Filed on Sep. 30, 2022, as Appl. No. 17/957,051.
Claims priority of provisional application 63/305,808, filed on Feb. 2, 2022.
Prior Publication US 2023/0243769 A1, Aug. 3, 2023
Int. Cl. G01N 27/12 (2006.01); G01N 29/02 (2006.01); G01N 27/22 (2006.01)
CPC G01N 27/126 (2013.01) [G01N 29/022 (2013.01); G01N 2027/222 (2013.01); G01N 2291/0257 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A polymer material contained in a sensing film of a sensor element having a quartz plate, an electrode made of a metal film provided on the quartz plate, and a sensing film provided on the electrode, wherein
the polymer material has a structural unit that contains one or more ethylene unsaturated bonds and is originated from a compound containing one or more functional groups reactive to a gas.