| 摘要 |
A solid-state imaging device according to embodiments of the present disclosure includes a light receiving unit, a first charge holding film, and a second charge holding film. The light receiving unit converts the incident light to an electric current. The first charge holding film is formed above the light receiving unit and holds electric charges. The second charge holding film is formed on the first charge holding film and holds electric charges. Further, concentration of oxygen in the second charge holding film is higher than concentration of oxygen in the first charge holding film.
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