Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiwamu Sakuma0
Toshifumi Irisawa0
Kensuke Ota0
Masumi Saitoh0
Date of Patent
April 4, 2017
0Patent Application Number
150020020
Date Filed
January 20, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A semiconductor device according to an embodiment includes a first region including an oxide semiconductor containing indium (In), gallium (Ga), and zinc (Zn), a second region and a third region between which the first region is disposed, at least one of the second region and the third region having a higher indium (In) concentration than the first region and containing at least one metal element from the group consisting of titanium (Ti), tungsten (W), copper (Cu), zinc (Zn), aluminum (Al), lead (Pb), and tin (Sn), an electrode; and an insulating layer disposed between the first region and the electrode.
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