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:
Mar. 16, 2021
Filed:
Nov. 09, 2017
Applicant:
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, CN;
Inventors:
Liang Jiang, Shenzhen, CN;
Jinchuan Li, Shenzhen, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 25/04 (2006.01); B21D 26/14 (2006.01); C23C 14/04 (2006.01); C23C 16/04 (2006.01); B05C 21/00 (2006.01); H01L 51/00 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
B21D 25/04 (2013.01); B05C 21/005 (2013.01); B21D 26/14 (2013.01); C23C 14/042 (2013.01); C23C 16/042 (2013.01); H01L 51/0011 (2013.01); H01L 51/56 (2013.01);
Abstract
A screen stretcher device is provided and has a tensioning mechanism, a first fixture and a second fixture. The first fixture is securely disposed at one end of a metal mask plate, and the second fixture is securely disposed at the other end of the metal mask plate. A horizontal plate is disposed above the metal mask plate. A measuring mechanism is configured to acquire location information of a pattern on the metal mask plate. A magnetic mechanism is disposed above the horizontal plate, and is configured to attract the metal mask plate such that the metal mask plate is deformed.