Fish & Richardson P.C.
Semiconductor device and method for manufacturing the same
A highly reliable semiconductor device suitable for miniaturization and high integration is provided. The semiconductor device includes a first insulator; a transistor over the first insulator; a second insulator over the transistor; a first conductor embedded in an opening in the second insulator; a barrier layer over the first conductor; a third insulator over the second insulator and over the barrier layer; and a second conductor over the third insulator. The first insulator, the third insulator, and the barrier layer have a barrier property against oxygen and hydrogen. The second insulator includes an excess-oxygen region. The transistor includes an oxide semiconductor. The barrier layer, the third insulator, and the second conductor function as a capacitor.
Semiconductor Energy Laboratory Co., Ltd.
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Shunpei Kiyoshi Yuta Satoru
Yamazaki Kato Endo Okamoto