US 12,105,022 B2
Metal-based particle assembly, layered body and sensing apparatus
Tomohiro Fukuura, Osaka (JP)
Assigned to SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo (JP)
Appl. No. 17/779,029
Filed by SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo (JP)
PCT Filed Feb. 24, 2021, PCT No. PCT/JP2021/006763
§ 371(c)(1), (2) Date May 23, 2022,
PCT Pub. No. WO2021/192785, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 2020-053900 (JP), filed on Mar. 25, 2020.
Prior Publication US 2022/0412889 A1, Dec. 29, 2022
Int. Cl. G01N 21/64 (2006.01)
CPC G01N 21/6428 (2013.01) [G01N 2021/6439 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A metal-based particle assembly comprising a plurality of metal-based particles arranged apart from each other,
wherein the plurality of metal-based particles are each arranged so that an average distance between metal-based particles adjacent to each other is 1 nm or more and 1000 nm or less, and
a standard deviation of the average distance is 25 nm or less.