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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.:

US 11578400 B1

PDFFull Text
Date of Patent:
Feb. 14, 2023

Filed:

Dec. 28, 2018

Fine metal mask having protective portions having protective portion with ratio of thickness reduction equal to single pixel aperture ratio and method for manufacturing the same, mask frame assembly

Applicant:

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Bin Zhang, Beijing, CN;

Xinxing Wang, Beijing, CN;

Tingting Zhou, Beijing, CN;

Xuefei Sun, Beijing, CN;

Weijie Wang, Beijing, CN;

Haibin Zhu, Beijing, CN;

Assignee:

BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

Karl Kurple

Int. Cl.
CPC ...
C23C 14/04 (2006.01); B05D 1/32 (2006.01); C23C 16/04 (2006.01); H01L 51/56 (2006.01); H01L 51/00 (2006.01); B05C 21/00 (2006.01); B05C 17/06 (2006.01); H01L 21/308 (2006.01); G03F 1/64 (2012.01); H05K 3/12 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
C23C 14/042 (2013.01); B05C 17/06 (2013.01); B05C 21/005 (2013.01); B05D 1/32 (2013.01); C23C 16/042 (2013.01); G03F 1/64 (2013.01); H01L 21/308 (2013.01); H01L 51/0011 (2013.01); H01L 51/56 (2013.01); H05K 3/1225 (2013.01); H01L 27/3211 (2013.01);
Abstract

The fine metal mask provided in the present disclosure includes at least one mask pattern portion, and at least one protective portion that is disposed on and connected with at least one side edge of the at least one mask pattern portion, wherein a thickness of the at least one protective portion is less than a thickness of the at least one mask pattern portion.

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Quick Actions:

Zhang, Bin. (2023). Fine metal mask having protective portions having protective portion with ratio of thickness reduction equal to single pixel aperture ratio and method for manufacturing the same, mask frame assembly (U.S. Patent No. 11578400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11578400

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