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.

Date of Patent:
Jan. 02, 2024

Filed:

Feb. 28, 2023
Applicant:

Dai Nippon Printing Co., Ltd., Tokyo, JP;

Inventors:

Yasuhiro Uchida, Tokyo, JP;

Sachiyo Matsuura, Tokyo, JP;

Chikao Ikenaga, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 14/04 (2006.01); H10K 71/16 (2023.01); C23F 1/02 (2006.01); H10K 71/00 (2023.01); B05C 21/00 (2006.01);
U.S. Cl.
CPC ...
C23C 14/042 (2013.01); C23F 1/02 (2013.01); H10K 71/00 (2023.02); H10K 71/166 (2023.02); B05C 21/005 (2013.01);
Abstract

A deposition mask includes: a first surface and a second surface, in which a plurality of through-holes are formed; a pair of long side surfaces connected to the first and second surfaces, and defining a profile of the deposition mask in a longitudinal direction of the deposition mask; and a pair of short side surfaces connected to the first and second surfaces, and defining a profile of the deposition mask in a width direction of the deposition mask. The long side surface includes a first portion that is recessed inside and includes a first end portion positioned along the first surface, and a second end portion positioned along the second surface and positioned inside the first end portion. The through-hole includes a first recess formed on the first surface, and a second recess formed on the second surface and connected to the first recess through a hole connection portion.


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