US 12,248,256 B2
Charging member, method for producing charging member, charging device, process cartridge, and image forming apparatus
Fuyuki Kano, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed on Nov. 17, 2023, as Appl. No. 18/512,878.
Claims priority of application No. 2023-101256 (JP), filed on Jun. 20, 2023.
Prior Publication US 2024/0427259 A1, Dec. 26, 2024
Int. Cl. G03G 15/02 (2006.01)
CPC G03G 15/0233 (2013.01) [G03G 15/0216 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A charging member comprising:
a support member;
an elastic layer provided on the support member;
an outer layer provided on the elastic layer; and
a protective layer provided as an outermost layer on the outer layer,
wherein:
the protective layer contains silica and has a silicon element concentration of 20 atomic % or more and 33 atomic % or less; and
the outer peripheral surface has a contact angle with water of 35 degrees or less.