PASSIVATION OF GROUP III-NITRIDE HETEROJUNCTION DEVICES
    84.
    发明申请
    PASSIVATION OF GROUP III-NITRIDE HETEROJUNCTION DEVICES 有权
    Ⅲ类氮杂异构体的钝化

    公开(公告)号:US20150111371A1

    公开(公告)日:2015-04-23

    申请号:US14585636

    申请日:2014-12-30

    IPC分类号: H01L21/02

    摘要: Passivation of group III-nitride hetero junction devices is described herein. The passivation facilitates simultaneous realization of effective/high current collapse suppression and low leakage current without the use of a sophisticated multiple-field plate technique. The passivation can be achieved by growing a charge-polarized. AlN thin film on the surface of a group III-nitride based heterojunction device by plasma-enhanced atomic layer deposition such that positive polarization charges are induced at the interface to compensate for a majority of negative charges at the interface.

    摘要翻译: 本文描述了III族氮化物异质结器件的钝化。 钝化有助于同时实现有效/高电流塌陷抑制和低泄漏电流,而不需要使用复杂的多场板技术。 可以通过生长电荷极化来实现钝化。 通过等离子体增强的原子层沉积在III族氮化物基异质结装置的表面上的AlN薄膜,使得在界面处引起正极化电荷以补偿界面处的大部分负电荷。

    HETEROSTRUCTURE WITH CARRIER CONCENTRATION ENHANCED BY SINGLE CRYSTAL REO INDUCED STRAINS
    85.
    发明申请
    HETEROSTRUCTURE WITH CARRIER CONCENTRATION ENHANCED BY SINGLE CRYSTAL REO INDUCED STRAINS 有权
    单晶诱导应激增强载体浓度的结构

    公开(公告)号:US20150069409A1

    公开(公告)日:2015-03-12

    申请号:US14487820

    申请日:2014-09-16

    摘要: A heterostructure grown on a silicon substrate includes a single crystal rare earth oxide template positioned on a silicon substrate, the template being substantially crystal lattice matched to the surface of the silicon substrate. A heterostructure is positioned on the template and defines at least one heterojunction at an interface between a III-N layer and a III-III-N layer. The template and the heterostructure are crystal matched to induce an engineered predetermined tensile strain at the at least one heterojunction. A single crystal rare earth oxide dielectric layer is grown on the heterostructure so as to induce an engineered predetermined compressive stress in the single crystal rare earth oxide dielectric layer and a tensile strain in the III-III-N layer. The tensile strain in the III-III-N layer and the compressive stress in the REO layer combining to induce a piezoelectric field leading to higher carrier concentration in 2DEG at the heterojunction.

    摘要翻译: 在硅衬底上生长的异质结构包括位于硅衬底上的单晶稀土氧化物模板,该模板基本上与硅衬底的表面晶格匹配。 异质结构位于模板上并且在III-N层和III-III-N层之间的界面处限定至少一个异质结。 模板和异质结构被晶体匹配以在至少一个异质结处诱导工程化的预定拉伸应变。 在异质结构上生长单晶稀土氧化物电介质层,以在单晶稀土氧化物介电层中引起工程化的预定压应力,并在III-III-N层中引起拉伸应变。 III-III-N层中的拉伸应变和REO层中的压应力组合以诱导压电场,导致异质结中2DEG中的较高载流子浓度。

    NITRIDE-BASED TRANSISTORS AND METHODS OF FABRICATING THE SAME
    86.
    发明申请
    NITRIDE-BASED TRANSISTORS AND METHODS OF FABRICATING THE SAME 审中-公开
    基于氮化物的晶体管及其制造方法

    公开(公告)号:US20150060943A1

    公开(公告)日:2015-03-05

    申请号:US14470164

    申请日:2014-08-27

    摘要: A method of fabricating a nitride-based transistor includes sequentially forming a first nitride-based semiconductor layer doped with first type dopant, a second nitride-based semiconductor layer doped with at least one of a second type dopant, and a third nitride-based semiconductor layer doped with at least one of the first type dopants. A first trench is formed to penetrate the third and second nitride-based semiconductor layers and to extend into the first nitride-based semiconductor layer. A fourth nitride-based semiconductor layer doped with the first type dopants is formed to fill the first trench. A second trench is formed in the fourth nitride-based semiconductor layer. A gate electrode is formed in the second trench. A source electrode is formed to be electrically connected to at least one of the third and fourth nitride-based semiconductor layers, and a drain electrode is formed to be electrically connected to the first nitride-based semiconductor layer.

    摘要翻译: 一种制造氮化物基晶体管的方法包括:顺序地形成掺杂有第一类型掺杂剂的第一氮化物基半导体层,掺杂有第二类型掺杂剂中的至少一种的第二氮化物基半导体层和第三氮化物基半导体 层中掺杂有至少一种第一类型掺杂剂。 形成第一沟槽以穿透第三和第二氮化物基半导体层并延伸到第一氮化物基半导体层中。 掺杂有第一类型掺杂剂的第四氮化物基半导体层被形成以填充第一沟槽。 在第四氮化物基半导体层中形成第二沟槽。 在第二沟槽中形成栅电极。 源电极形成为与第三氮化物类半导体层和第四氮化物系半导体层中的至少一方电连接,并且形成漏电极以与第一氮化物基半导体层电连接。

    AMORPHOUS SILICON THICKNESS UNIFORMITY IMPROVED BY PROCESS DILUTED WITH HYDROGEN AND ARGON GAS MIXTURE
    89.
    发明申请
    AMORPHOUS SILICON THICKNESS UNIFORMITY IMPROVED BY PROCESS DILUTED WITH HYDROGEN AND ARGON GAS MIXTURE 有权
    用氢气和氩气混合物稀释的过程改善的非晶硅厚度均匀性

    公开(公告)号:US20140357065A1

    公开(公告)日:2014-12-04

    申请号:US14281492

    申请日:2014-05-19

    IPC分类号: H01L21/02

    摘要: The embodiments described herein generally relate to methods for forming an amorphous silicon structure that may be used in thin film transistor devices. In embodiments disclosed herein, the amorphous silicon layer is deposited using a silicon-based gas with an activation gas comprising a high concentration of inert gas and a low concentration of hydrogen-based gas. The activation gas combination allows for a good deposition profile of the amorphous silicon layer from the edge of the shadow frame which is translated to the polycrystalline silicon layer post-annealing.

    摘要翻译: 本文描述的实施例一般涉及用于形成可用于薄膜晶体管器件的非晶硅结构的方法。 在本文公开的实施例中,使用具有包含高浓度惰性气体和低浓度氢基气体的活化气体的硅基气体来沉积非晶硅层。 激活气体组合允许来自阴影框架的边缘的非晶硅层的良好沉积分布,其被平移到多晶硅层后退火。

    STRUCTURE FOR III-V DEVICES ON SILICON
    90.
    发明申请
    STRUCTURE FOR III-V DEVICES ON SILICON 有权
    硅的III-V器件的结构

    公开(公告)号:US20140357057A1

    公开(公告)日:2014-12-04

    申请号:US14287927

    申请日:2014-05-27

    IPC分类号: H01L21/02

    摘要: Embodiments described herein relate to a structure for III-V devices on silicon. A Group IV substrate is provided and a III-V structure may be formed thereon. The III-V structure generally comprises one or more buffer layers and a channel layer disposed on the one or more buffer layers. The one or more buffer layers may be selected to provide optimal microelectronic device properties, such as minimal defects, reduced charge accumulation, and reduced current leakage.

    摘要翻译: 本文描述的实施例涉及硅上III-V器件的结构。 提供IV族基板,并且可以在其上形成III-V结构。 III-V结构通常包括一个或多个缓冲层和设置在一个或多个缓冲层上的沟道层。 可以选择一个或多个缓冲层以提供最佳的微电子器件性质,例如最小的缺陷,减少的电荷累积和减少的电流泄漏。