The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Aug. 20, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sang-Ho Yun, Yongin-si, KR;
Soo Kyung Kim, Seongnam-si, KR;
Jaikyun Park, Hwaseong-si, KR;
Donghoon Lee, Gwacheon-si, KR;
Rankyung Jung, Seoul, KR;
Soonmok Ha, Seongnam-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A reflective mask includes a central region and first and second peripheral regions at opposite sides of the central region, respectively, the first peripheral region including a first out-of-band region having a first edge region extending in a first direction, and a first expansion region between the first edge region and the central region, and a first outer auxiliary region adjacent to the first expansion region of the first out-of-band region in the first direction, the first outer auxiliary region having a first auxiliary pattern region.