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. 05, 2023
Filed:
Oct. 25, 2021
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C23C 14/04 (2006.01); C23C 14/58 (2006.01); H10K 71/16 (2023.01);
U.S. Cl.
CPC ...
C23C 14/042 (2013.01); C23C 14/588 (2013.01); C23C 14/5813 (2013.01); H10K 71/166 (2023.02);
Abstract
A method includes: sandwiching a plastic layer between a glass substrate and a metal plate made of an iron-nickel alloy and joining the metal plate to the glass substrate with the plastic layer in between; forming a mask portion including a plurality of mask holes from the metal plate; joining a surface of the mask portion that is opposite to a surface of the mask portion that is in contact with the plastic layer to a mask frame, which has a higher rigidity than the mask portion and is in a shape of a frame surrounding the mask holes of the mask portion; and peeling off the plastic layer and the glass substrate from the mask portion.