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    • 55. 发明授权
    • Method of forming trench-gate electrode for FinFET device
    • 形成FinFET器件的沟槽栅电极的方法
    • US07488650B2
    • 2009-02-10
    • US11060959
    • 2005-02-18
    • Thomas Schulz
    • Thomas Schulz
    • H01L21/336
    • H01L29/785H01L29/42384H01L29/66553H01L29/6656H01L29/66628H01L29/66795H01L29/78684H01L29/78687
    • A FinFET device having a trench-gate electrode, and a method of manufacture, is provided. The trench-gate electrode may be fabricated by forming a mask layer on a substrate having a semiconductor layer, e.g., silicon, formed thereon. A trench is formed in the mask layer and fins are formed in the exposed region of the underlying semiconductor layer. A gate electrode may be formed in the trench by, for example, depositing a gate electrode material such that the trench is filled, planarizing the surface to the surface of the mask layer, and optionally forming a recess in the surface of the gate electrode. Spacers may be formed in the trench and an optional gate dielectric layer may be formed over the fins prior to depositing the gate electrode material. Raised source and drain regions may be used by using selective epitaxial growth processes.
    • 提供了具有沟槽栅电极的FinFET器件及其制造方法。 沟槽栅电极可以通过在其上形成有半导体层(例如硅)的衬底上形成掩模层来制造。 在掩模层中形成沟槽,并且在下面的半导体层的暴露区域中形成翅片。 可以通过例如沉积栅极电极材料形成栅电极,使得沟槽被填充,将表面平坦化到掩模层的表面,并且可选地在栅电极的表面中形成凹陷。 可以在沟槽中形成间隔物,并且可以在沉积栅电极材料之前在鳍上方形成可选的栅极介电层。 可以通过使用选择性外延生长工艺来使用升高的源极和漏极区。
    • 56. 发明申请
    • Semiconductor devices and methods of manufacture thereof
    • 半导体器件及其制造方法
    • US20080303096A1
    • 2008-12-11
    • US11810858
    • 2007-06-07
    • Thomas Schulz
    • Thomas Schulz
    • H01L29/78H01L21/336
    • H01L29/785H01L29/66795
    • Semiconductor devices and methods of manufacture thereof are disclosed. In a preferred embodiment, a method of manufacturing a semiconductor device includes forming a transistor, the transistor including a fin having a first side and a second side opposite the first side. The transistor includes a first gate electrode disposed on the first side of the fin and a second gate electrode disposed on the second side of the fin. The method includes forming a silicide or germanide of a metal on the first gate electrode and the second gate electrode of the transistor. The amount of the metal of the silicide or germanide is substantially homogeneous over the first gate electrode and the second gate electrode proximate the fin.
    • 公开了半导体器件及其制造方法。 在优选实施例中,制造半导体器件的方法包括形成晶体管,晶体管包括具有第一侧和与第一侧相对的第二侧的翅片。 晶体管包括设置在鳍片的第一侧上的第一栅电极和设置在鳍片的第二侧上的第二栅电极。 该方法包括在晶体管的第一栅电极和第二栅电极上形成金属的硅化物或锗化物。 硅化物或锗化物的金属的量在靠近散热片的第一栅电极和第二栅电极上基本均匀。
    • 58. 发明授权
    • Method for producing an SOI field effect transistor
    • SOI场效应晶体管的制造方法
    • US07416927B2
    • 2008-08-26
    • US10948637
    • 2004-09-23
    • Ralf GottscheChristian PachaThomas SchulzWerner Steinhogl
    • Ralf GottscheChristian PachaThomas SchulzWerner Steinhogl
    • H01L21/84H01L21/00
    • H01L29/78654H01L21/28123H01L29/6656H01L29/66772H01L29/66795H01L29/785H01L29/78642
    • Method for producing a first SOI field effect transistor with predetermined transistor properties by forming a laterally delimited layer sequence with a gate-insulating layer and a gate region on an undoped substrate, forming a spacer layer having a predetermined thickness, on at least a portion of the sidewalls of the laterally delimited layer sequence, and forming two source/drain regions having a predetermined dopant concentration profile, by introducing dopant into two surface regions of the substrate which are adjoined by the spacer layer, the layer sequence and the spacer layer forming a shading structure that prevents dopant from being introduced into a surface region of the substrate between the two source/drain regions, wherein the predetermined transistor properties of the first SOI field effect transistor are set by setting the thickness of the spacer layer and by setting the dopant concentration profile.
    • 在具有预定晶体管性质的第一SOI场效应晶体管的制造方法中,通过在未掺杂的衬底上形成具有栅极绝缘层和栅极区域的横向限定的层序列,在至少一部分上形成具有预定厚度的间隔层 横向限定的层序列的侧壁,并且通过将掺杂剂引入到由间隔层邻接的衬底的两个表面区域中,形成具有预定掺杂剂浓度分布的两个源极/漏极区域,层序列和间隔层形成 防止掺杂剂被引入到两个源极/漏极区域之间的衬底的表面区域的阴影结构,其中通过设置间隔层的厚度并且通过设置掺杂剂来设定第一SOI场效应晶体管的预定晶体管特性 浓度分布。