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:
Jan. 20, 2026
Filed:
Nov. 30, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Heeyun Choi, Suwon-si, KR;
Kyoungwhan Oh, Suwon-si, KR;
Hokyun Kim, Suwon-si, KR;
Junhee Lee, Suwon-si, KR;
Yohan Choe, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A photoresist coating apparatus includes a photoresist trap tank temporarily storing a photoresist. A photoresist supply pipe is connected to the photoresist trap tank. A pump is connected to the photoresist supply pipe. A photoresist pressing device is connected to the photoresist supply pipe at a rear of the pump. A photoresist circulation pipe is at a rear of the photoresist pressing device. The photoresist circulation pipe connects the photoresist supply pipe to the photoresist trap tank. A photoresist discharge pipe is connected to the photoresist supply pipe at a rear of the photoresist circulation pipe. A photoresist discharge valve is connected to the photoresist discharge pipe. A photoresist discharge nozzle is connected to the photoresist discharge valve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile