公开(公告)号：US20230173772A1

公开(公告)日：2023-06-08

申请号：US18057310

申请日：2022-11-21

Applicant: CANON KABUSHIKI KAISHA

Inventor： EIKO ASAMI ,  YOJI TERAMOTO ,  SHUHEI YAMAMOTO ,  SHUN OUCHI

IPC: B29D11/00 ,  G02B1/18 ,  G02B1/12

CPC classification number: B29D11/00884 ,  G02B1/18 ,  G02B1/12

Abstract: Provided is a light transmitting member, which maintains an antifogging property over a long period of time, and is less liable to be contaminated with organic matter, the light transmitting member including, on a base material, a porous layer containing silicon oxide particles and a layer formed of a hydrophilic polymer, wherein a polymer ratio at a depth of 10 nm from a surface of the light transmitting member is 0.15 or more and 0.40 or less.

公开(公告)号：US20240269903A1

公开(公告)日：2024-08-15

申请号：US18417242

申请日：2024-01-19

Applicant: CANON KABUSHIKI KAISHA

Inventor： EIKO ASAMI ,  YO WATANABE ,  NORIYASU HASEGAWA ,  YUICHI IWASAKI ,  MASAKI ISHIDA

IPC: B29C33/62 ,  B29C59/00 ,  B29C59/02

CPC classification number: B29C33/62 ,  B29C59/002 ,  B29C59/026

Abstract: The present invention provides a liquid material containing a compound having a fluorocarbon chain and a volatile solvent, wherein the compound having the fluorocarbon chain is one of a compound having in a main chain a perfluoro(poly)ether group whose carbon number is 2 to 4, and an acrylic compound having in a side chain a perfluoroalkyl group whose carbon number is 4 to 8.