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:
Jul. 01, 2025

Filed:

Apr. 15, 2020
Applicant:

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

Inventors:

Takanori Matsuzaki, Atsugi, JP;

Kosei Nei, Yokohama, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H10D 30/67 (2025.01);
U.S. Cl.
CPC ...
H10D 30/6755 (2025.01); H10D 30/6758 (2025.01);
Abstract

A semiconductor device with less variation in transistor characteristics is provided. The semiconductor device includes a transistor, a first and a second conductor, and a first to a third insulator. The transistor and the first conductor are provided over the first insulator. The transistor includes an oxide semiconductor. The second insulator is provided over the transistor. The first conductor includes a region which does not overlap with the second insulator. The third insulator is provided to cover the first conductor, the transistor, and the second insulator. The second conductor is provided over the third insulator and at least partly overlaps with the first conductor.


Find Patent Forward Citations

Loading…