Nitride semiconductor device and method for fabricating the same

A nitride semiconductor device includes: first through third nitride semiconductor layers formed in sequence over a substrate. The second nitride semiconductor layer has a band gap energy larger than that of the first nitride semiconductor layer. The third nitride semiconductor layer has an opening....

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Bibliographic Details
Main Authors Hikita, Masahiro, Ueda, Tetsuzo
Format Patent
LanguageEnglish
Published 04.01.2011
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Summary:A nitride semiconductor device includes: first through third nitride semiconductor layers formed in sequence over a substrate. The second nitride semiconductor layer has a band gap energy larger than that of the first nitride semiconductor layer. The third nitride semiconductor layer has an opening. A p-type fourth nitride semiconductor layer is formed so that the opening is filled therewith. A gate electrode is formed on the fourth nitride semiconductor layer.