US 12,217,931 B2
Graphene based substrates for imaging
Eduardo Rosa-Molinar, Lawrence, KS (US); Noraida Martinez-Rivera, Lawrence, KS (US); Prem Singh Thapa-Chetri, Lawrence, KS (US); WenJun Xiang, Manhattan, KS (US); and Suprem Ranjan Das, Manhattan, KS (US)
Assigned to University of Kansas, Lawrence, KS (US); and Kansas State University Research Foundation, Manhattan, KS (US)
Appl. No. 17/413,114
Filed by THE UNIVERSITY OF KANSAS, Lawrence, KS (US); and Kansas State University Research Foundation, Manhattan, KS (US)
PCT Filed Dec. 11, 2019, PCT No. PCT/US2019/065633
§ 371(c)(1), (2) Date Jun. 11, 2021,
PCT Pub. No. WO2020/123597, PCT Pub. Date Jun. 18, 2020.
Claims priority of provisional application 62/778,140, filed on Dec. 11, 2018.
Prior Publication US 2022/0068596 A1, Mar. 3, 2022
Int. Cl. H01J 37/00 (2006.01); B05D 1/30 (2006.01); B05D 3/02 (2006.01); B05D 7/00 (2006.01); C09D 1/00 (2006.01); C09D 7/65 (2018.01); G01N 1/06 (2006.01); H01J 37/26 (2006.01); H01J 37/28 (2006.01); H01J 37/285 (2006.01)
CPC H01J 37/261 (2013.01) [B05D 1/30 (2013.01); B05D 3/0254 (2013.01); B05D 7/56 (2013.01); C09D 1/00 (2013.01); C09D 7/65 (2018.01); G01N 1/06 (2013.01); H01J 37/28 (2013.01); H01J 37/285 (2013.01); B05D 2201/02 (2013.01); B05D 2202/40 (2013.01); B05D 2203/35 (2013.01); H01J 2237/2801 (2013.01); H01J 2237/2802 (2013.01); H01J 2237/2813 (2013.01)] 26 Claims
OG exemplary drawing
 
1. An article comprising:
a) a substrate comprising a polymer film, a glass or a metal and having a first surface and an opposed second surface, wherein the polymer film has a thickness of from about 2 microns to about 300 microns; and
b) a graphene coating disposed on the first surface of the substrate, and
wherein the article is configured to support a sample for electron or optical microscopy.