公开(公告)号：US20240264522A1

公开(公告)日：2024-08-08

申请号：US18410463

申请日：2024-01-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yun Song JEONG ,  Jun Hyuk CHANG ,  Sang Yong YU ,  Sang Min KIM ,  Jae Sung BYUN ,  Hyun Woo LEE

IPC: G03F1/66 ,  G03F7/00

CPC classification number: G03F1/66 ,  G03F7/70733 ,  G03F7/70808

Abstract: A mask case includes a lower case including a first side surface and a second side surface opposite each other, a first rail on the first side surface, and a second rail on the second side surface, an upper case separable from the lower case, and includes third and fourth side surfaces corresponding to the first and second side surfaces, a third rail on the third side, and a fourth rail on the fourth side, a first sliding lock member slidable along the first and third rails, and a second sliding lock member slidable along the second and fourth rails, first and second holes for coupling first and second pins of first and second locking open and close devices are in the first and second sliding lock members, and the first and second sliding lock members are slid by the first and second locking open and close devices.