Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Satoshi Shinohara0
Shunpei Yamazaki0
Date of Patent
August 7, 2018
Patent Application Number
15645217
Date Filed
July 10, 2017
Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
Provided are a transistor which has electrical characteristics requisite for its purpose and uses an oxide semiconductor layer and a semiconductor device including the transistor. In the bottom-gate transistor in which at least a gate electrode layer, a gate insulating film, and the semiconductor layer are stacked in this order, an oxide semiconductor stacked layer including at least two oxide semiconductor layers whose energy gaps are different from each other is used as the semiconductor layer. Oxygen and/or a dopant may be added to the oxide semiconductor stacked layer.
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