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:
May. 11, 2021

Filed:

Feb. 28, 2018
Applicant:

Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;

Inventors:

Shunpei Yamazaki, Tokyo, JP;

Toshihiko Takeuchi, Kanagawa, JP;

Naoto Yamade, Kanagawa, JP;

Hiroshi Fujiki, Yamaguchi, JP;

Tomoaki Moriwaka, Kanagawa, JP;

Shunsuke Kimura, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/66 (2006.01); H01L 29/10 (2006.01); H01L 29/49 (2006.01);
U.S. Cl.
CPC ...
H01L 29/66969 (2013.01); H01L 29/1054 (2013.01); H01L 29/4966 (2013.01);
Abstract

A semiconductor device that can be miniaturized or highly integrated is provided. The semiconductor device includes a first conductor, a second conductor over the first conductor, a first insulator covering the second conductor, a first oxide over the first insulator, and a second oxide over the first oxide, an opening overlapping with at least part of the first conductor is provided in the first oxide and the first insulator, and the second oxide is electrically connected to the first conductor through the opening.


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