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Transistor, semiconductor device, and electronic device

專利號
US10096720B2
公開日期
2018-10-09
申請人
Semiconductor Energy Laboratory Co., Ltd.（JP Atsugi-shi, Kanagawa-ken）
發(fā)明人
Yoshinori Ando
IPC分類
H01L27/12; H01L29/786; H01L29/66
技術領域
layer,transistor,insulating,electrode,in,109_1b,oxide,be,or,wiring
地域： Atsugi-shi, Kanagawa-ken

摘要

To provide a semiconductor device with high design flexibility. A first transistor and a second transistor having different electrical characteristics from those of the first transistor are provided over the same layer without significantly increasing the number of manufacturing steps. A semiconductor layer where a channel of the first transistor is formed and a semiconductor layer where a channel of the second transistor is formed are formed using semiconductor materials having different electron affinities. When an oxide semiconductor is used for the semiconductor layer, an insulating layer containing excess oxygen is used as an insulating layer below the semiconductor layer. By increasing the thickness of the insulating layer, a large amount of oxygen can be supplied to the semiconductor layer.

說明書

In FIG. 51, an air conditioner including an indoor unit 8200 and an outdoor unit 8204 is an example of an electronic device including a semiconductor device 8203 of one embodiment of the present invention. Specifically, the indoor unit 8200 includes a housing 8201, an air outlet 8202, the semiconductor device 8203, and a power storage device 8205. Although FIG. 51 illustrates the case where the semiconductor device 8203 is provided in the indoor unit 8200, the semiconductor device 8203 may be provided in the outdoor unit 8204. Alternatively, the semiconductor devices 8203 may be provided in both the indoor unit 8200 and the outdoor unit 8204. The semiconductor device 8203 can hold control data of the air conditioner, a control program, or the like. The air conditioner can receive electric power from a commercial power supply. Alternatively, the air conditioner can use electric power stored in the power storage device 8205.

Note that although the split-type air conditioner including the indoor unit and the outdoor unit is illustrated in FIG. 51 as an example, the semiconductor device of one embodiment of the present invention can be used in an air conditioner in which the functions of an indoor unit and an outdoor unit are integrated in one housing.

權利要求

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