公开(公告)号：US20230416555A1

公开(公告)日：2023-12-28

申请号：US18186513

申请日：2023-03-20

Applicant: Samsung Electronics Co., Ltd. ,  NOROO Paint & Coatings Co., Ltd.

Inventor： Hyunjung JUNG ,  Hangyu HWANG ,  Kisun LEE ,  Wonki LEE ,  Sungjun JANG ,  Byounggi CHO ,  Hyeonseok YOON ,  Hyoin KIM

IPC: C09D133/14 ,  C09D175/04

CPC classification number: C09D133/14 ,  C09D175/04

Abstract: A housing of an electronic device including polymer materials is provided. The housing includes a polymer substrate, a primer layer disposed on at least a portion of the polymer substrate, a color layer disposed on the primer layer, and a coating layer disposed on the color layer. The primer layer, the color layer, and the coating layer include a biomass polyurethane resin and have a glass transition temperature of 80° C. to 110° C.

公开(公告)号：US20240152058A1

公开(公告)日：2024-05-09

申请号：US18337982

申请日：2023-06-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wonki LEE ,  Hyoungsoo KIM ,  Junill RYU ,  Namil KOO ,  Jongmin YOON ,  Suhwan PARK ,  Sangyeon OH ,  Gilgu LEE

IPC: G03F7/00

CPC classification number: G03F7/70341 ,  G03F7/70883

Abstract: An immersion lithographic system may include a wafer stage configured to support a wafer, a projection optical system on the wafer stage and configured to irradiate light toward the wafer, a liquid supply unit configured to supply a liquid between the wafer stage and the projection optical system to form an immersion lens through which the light is transmitted, and a vapor supply unit configured to supply vapors to the immersion lens. The immersion lens and the vapor supply unit may be aligned in a vertical direction.