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:
May. 13, 2025
Filed:
Mar. 30, 2020
Applicant:
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Inventors:
Assignee:
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H10B 43/27 (2023.01); H01L 21/02 (2006.01); H01L 21/3213 (2006.01);
U.S. Cl.
CPC ...
H01L 21/02129 (2013.01); H01L 21/32133 (2013.01); H10B 43/27 (2023.02);
Abstract
A semiconductor device that can be miniaturized or highly integrated is provided. The semiconductor device includes a first oxide, an insulator over the first oxide, a first conductor over the insulator, a second conductor electrically connected to the first oxide, and a second oxide provided between the first oxide and the second conductor, and the contact area between the second oxide and the second conductor is larger than the contact area between the second oxide and the first oxide.