会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Compound semiconductor device and manufacturing method thereof
    • 化合物半导体器件及其制造方法
    • US08586433B2
    • 2013-11-19
    • US13493293
    • 2012-06-11
    • Yuichi MinouraToshihide Kikkawa
    • Yuichi MinouraToshihide Kikkawa
    • H01L21/336
    • H01L29/7802H01L29/0653H01L29/0878H01L29/2003H01L29/267H01L29/66712
    • A compound semiconductor device is provided with a first nitride semiconductor layer of a first conductivity type, a second nitride semiconductor layer of the first conductivity type which is formed over the first nitride semiconctor layer and being in contact with the first nitride semiconductor layer, a third nitride semiconductor layer of a second conductivity type being in contact with the second nitride semiconductor layer, a fourth nitride semiconductor layer of the first conductivity type being in contact with the third nitride semiconductor layer, and an insulating film insulating the first nitride semiconductor layer and the fourth nitride, semiconductor layer from each other. A source electrode is positioned inside an Outer edge of the insulating film in planar view.
    • 化合物半导体器件设置有第一导电类型的第一氮化物半导体层,第一导电类型的第二氮化物半导体层,其形成在第一氮化物半导体层上并与第一氮化物半导体层接触,第三导电类型的第三氮化物半导体层, 与第二氮化物半导体层接触的第二导电类型的氮化物半导体层,与第三氮化物半导体层接触的第一导电类型的第四氮化物半导体层和将第一氮化物半导体层和 第四氮化物,半导体层。 在平面图中,源电极位于绝缘膜的外边缘的内侧。
    • 10. 发明授权
    • Compound semiconductor device and method of manufacturing the same
    • 化合物半导体器件及其制造方法
    • US08426260B2
    • 2013-04-23
    • US13294726
    • 2011-11-11
    • Toyoo MiyajimaToshihide KikkawaKenji ImanishiToshihiro OhkiMasahito Kanamura
    • Toyoo MiyajimaToshihide KikkawaKenji ImanishiToshihiro OhkiMasahito Kanamura
    • H01L21/338H01L29/66
    • H01L29/66462H01L29/2003H01L29/4236H01L29/7787
    • A compound semiconductor device includes: an electron transport layer formed over a substrate; an electron supply layer formed over the electron transport layer; and a cap layer formed over the electron supply layer; the cap layer includes a first compound semiconductor layer containing GaN; a second compound semiconductor layer containing AlN, which is formed over the first compound semiconductor layer; a third compound semiconductor layer containing GaN, which is formed over the second compound semiconductor layer; and at least one of a first AlGaN-containing layer and a second AlGaN-containing layer, with the first AlGaN-containing layer formed between the first compound semiconductor layer and the second compound semiconductor layer and the Al content increases toward the second compound semiconductor layer, and the second AlGaN-containing layer formed between the second compound semiconductor layer and the third compound semiconductor layer and the Al content increases toward the second compound semiconductor layer.
    • 化合物半导体器件包括:形成在衬底上的电子传输层; 形成在电子传输层上的电子供应层; 以及形成在所述电子供给层上的盖层; 盖层包括含有GaN的第一化合物半导体层; 含有AlN的第二化合物半导体层,其形成在所述第一化合物半导体层上; 含有GaN的第三化合物半导体层,其形成在所述第二化合物半导体层上; 以及第一AlGaN含有层和第二含AlGaN的层中的至少一个,其中形成在第一化合物半导体层和第二化合物半导体层之间的第一AlGaN含有层,并且Al含量朝向第​​二化合物半导体层增加 并且形成在第二化合物半导体层和第三化合物半导体层之间的第二AlGaN含量层和Al含量朝向第​​二化合物半导体层增加。