发明名称 SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME, POWER SUPPLY DEVICE, AND HIGH-FREQUENCY AMPLIFIER
摘要 A semiconductor device includes: a nitride semiconductor multilayer; an insulating film disposed on the nitride semiconductor multilayer; and a gate electrode disposed on the insulating film, wherein the nitride semiconductor multilayer has a first oxidized region near an interface with a region of the insulating film below the gate electrode, the first oxidized region having an oxygen concentration higher than an oxygen concentration of a region near an interface with a region of the insulating film other than below the gate electrode.
申请公布号 US2014264451(A1) 申请公布日期 2014.09.18
申请号 US201414167216 申请日期 2014.01.29
申请人 FUJITSU LIMITED 发明人 OZAKI Shirou;OKAMOTO NAOYA
分类号 H01L29/778;H03F3/16;H02M3/335;H01L29/66 主分类号 H01L29/778
代理机构 代理人
主权项 1. A semiconductor device comprising: a nitride semiconductor multilayer; an insulating film disposed on the nitride semiconductor multilayer; and a gate electrode disposed on the insulating film, wherein the nitride semiconductor multilayer has a first oxidized region near an interface with a region of the insulating film below the gate electrode, the first oxidized region having an oxygen concentration higher than an oxygen concentration of a region near an interface with a region of the insulating film other than below the gate electrode.
地址 Kawasaki-shi JP