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Transistor, semiconductor device, and electronic device

專利號(hào)
US10096720B2
公開日期
2018-10-09
申請(qǐng)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(shù)領(lǐng)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

The information terminal 2960 can employ near field communication that is a communication method based on an existing communication standard. In that case, for example, mutual communication between the information terminal 2960 and a headset capable of wireless communication can be performed, and thus hands-free calling is possible. Moreover, the information terminal 2960 includes the input output terminal 2966, and data can be directly transmitted to and received from another information terminal via a connector. In addition, charging via the input output terminal 2966 is possible. Note that the charging operation may be performed by wireless power feeding without using the input output terminal 2966.

FIG. 52G is an external view illustrating an example of a car. A car 2980 includes a car body 2981, wheels 2982, a dashboard 2983, lights 2984, and the like. The car 2980 also includes an antenna, a battery, and the like.

A memory device including the semiconductor device of one embodiment of the present invention can hold control data, a control program, or the like of the above electronic device for a long time. With the use of the semiconductor device of one embodiment of the present invention, a highly reliable electronic device can be provided.

This embodiment can be implemented in an appropriate combination with any of the structures described in the other embodiments and the like.

Embodiment 4

權(quán)利要求

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