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    • 101. 发明授权
    • Semiconductor device comprising a transistor gate having multiple vertically oriented sidewalls
    • 半导体器件包括具有多个垂直取向侧壁的晶体管栅极
    • US08399920B2
    • 2013-03-19
    • US11863535
    • 2007-09-28
    • Werner Juengling
    • Werner Juengling
    • H01L29/76
    • H01L29/4236H01L21/26586H01L29/42368H01L29/66621H01L29/66659H01L29/78H01L29/7834
    • A method used in fabrication of a recessed access device transistor gate has increased tolerance for mask misalignment. One embodiment of the invention comprises forming a vertical spacing layer over a semiconductor wafer, then etching the vertical spacing layer and the semiconductor wafer to form a recess in the wafer. A conductive transistor gate layer is then formed within the trench and over the vertical spacing layer. The transistor gate layer is etched, which exposes the vertical spacing layer. A spacer layer is formed over the etched conductive gate layer and over the vertical spacing layer, then the spacer layer and the vertical spacing layer are anisotropically etched. Subsequent to anisotropically etching the vertical spacing layer, a portion of the vertical spacing layer is interposed between the semiconductor wafer and the etched conductive transistor gate layer in a direction perpendicular to the plane of a major surface of the semiconductor wafer.
    • 用于制造凹陷存取器晶体管栅极的方法具有增加的掩模未对准的容限。 本发明的一个实施例包括在半导体晶片上形成垂直间隔层,然后蚀刻垂直间隔层和半导体晶片以在晶片中形成凹陷。 然后在沟槽内和垂直间隔层上形成导电晶体管栅极层。 蚀刻晶体管栅极层,暴露垂直间隔层。 在蚀刻的导电栅极层上方并在垂直间隔层之上形成间隔层,然后间隔层和垂直间隔层被各向异性地蚀刻。 在各向异性蚀刻垂直间隔层之后,垂直间隔层的一部分在垂直于半导体晶片的主表面的平面的方向插入在半导体晶片和蚀刻的导电晶体管栅极层之间。
    • 102. 发明授权
    • Non-planar thin fin transistor
    • 非平面薄鳍晶体管
    • US08384142B2
    • 2013-02-26
    • US13193363
    • 2011-07-28
    • Werner Juengling
    • Werner Juengling
    • H01L27/108H01L21/00H01L21/8238
    • H01L29/785H01L29/66795
    • Methods for fabricating a non-planar transistor. Fin field effect transistors (finFETs) are often built around a fin (e.g., a tall, thin semiconductive member). During manufacturing, a fin may encounter various mechanical stresses, e.g., inertial forces during movement of the substrate and fluid forces during cleaning steps. If the forces on the fin are too large, the fin may fracture and possibly render a transistor inoperative. Supporting one side of a fin before forming the second side of a fin creates stability in the fin structure, thereby counteracting many of the mechanical stresses incurred during manufacturing.
    • 制造非平面晶体管的方法。 翅片场效应晶体管(finFET)通常围绕翅片(例如,高,薄的半导体构件)构建。 在制造过程中,翅片可能会遇到各种机械应力,例如在基体运动期间的惯性力和清洁步骤期间的流体力。 如果翅片上的力太大,则翅片可能会断裂,并可能导致晶体管不起作用。 在形成翅片的第二面之前支撑翅片的一侧在翅片结构中产生稳定性,从而抵消在制造过程中产生的许多机械应力。
    • 103. 发明授权
    • Vertical transistors
    • 垂直晶体管
    • US08372710B2
    • 2013-02-12
    • US13329977
    • 2011-12-19
    • Werner Juengling
    • Werner Juengling
    • H01L21/8242H01L21/336H01L21/20
    • H01L29/7827H01L27/1052H01L27/10823H01L27/10876H01L27/11H01L27/115H01L27/11517H01L29/66621H01L29/78
    • A semiconductor structure having U-shaped transistors includes source/drain regions at the tops of pairs of pillars defined by crossing trenches in the substrate. One pillar is connected to the other pillar in the pair by a ridge that extends above the surrounding trenches. The ridge and lower portions of the pillars define U-shaped channels on opposite sides of the U-shaped structure, facing a gate structure in the trenches on those opposite sides, forming a two sided surround transistor. Optionally, the space between the pillars of a pair is also filled with gate electrode material to define a three-sided surround gate transistor. One of the source/drain regions of each pair extending to a digit line and the other extending to a memory storage device, such as a capacitor. Methods of forming semiconductor structures are also disclosed.
    • 具有U形晶体管的半导体结构包括由衬底中的交叉沟槽限定的柱对的顶部的源/漏区域。 一个支柱通过在周围的沟槽上方延伸的脊连接到一对中的另一个柱。 柱的脊和下部在U形结构的相对侧限定U形通道,面对在那些相对侧上的沟槽中的栅极结构,形成双面环绕晶体管。 可选地,一对柱之间的空间也用栅电极材料填充以限定三面环绕栅极晶体管。 每对的源极/漏极区之一延伸到数字线,而另一个延伸到诸如电容器的存储器存储器件。 还公开了形成半导体结构的方法。
    • 105. 发明授权
    • Vertically stacked fin transistors and methods of fabricating and operating the same
    • 垂直堆叠鳍式晶体管及其制造和操作方法
    • US08294511B2
    • 2012-10-23
    • US12950761
    • 2010-11-19
    • Werner Juengling
    • Werner Juengling
    • H01L25/00
    • H01L21/823431H01L27/0886H01L27/10826H01L27/10879
    • A semiconductor device is disclosed having vertically stacked (also referred to as vertically offset) transistors in a semiconductor fin. The semiconductor fin may include lower transistors separated by a first trench and having a source and drain in a first doped region of the fin. The semiconductor fin also includes upper transistors vertically offset from the first transistors and separated by a second trench and having a source and drain in a second doped region of the fin. Upper and lower stacked gates may be disposed on the sidewalls of the fin, such that the lower transistors are activated by biasing the lower gates and upper transistors are activated by biasing the upper gates. Methods of manufacturing and operating the device are also disclosed.
    • 公开了一种在半导体鳍片中垂直堆叠(也称为垂直偏移)晶体管的半导体器件。 半导体鳍片可以包括由第一沟槽分离并且在鳍片的第一掺杂区域中具有源极和漏极的下部晶体管。 半导体鳍片还包括垂直偏离第一晶体管并由第二沟槽隔开的上晶体管,并且在鳍片的第二掺杂区域中具有源极和漏极。 上和下堆叠栅极可以设置在翅片的侧壁上,使得下晶体管通过偏置下栅极而被激活,并且通过偏置上栅极来激活上晶体管。 还公开了制造和操作该装置的方法。
    • 108. 发明申请
    • Semiconductor Device Comprising a Transistor Gate Having Multiple Vertically Oriented Sidewalls
    • 包括具有多个垂直定向的侧壁的晶体管门的半导体器件
    • US20120139039A1
    • 2012-06-07
    • US13398491
    • 2012-02-16
    • Werner Juengling
    • Werner Juengling
    • H01L29/78
    • H01L29/4236H01L21/26586H01L29/42368H01L29/66621H01L29/66659H01L29/78H01L29/7834
    • A method used in fabrication of a recessed access device transistor gate has increased tolerance for mask misalignment. One embodiment of the invention comprises forming a vertical spacing layer over a semiconductor wafer, then etching the vertical spacing layer and the semiconductor wafer to form a recess in the wafer. A conductive transistor gate layer is then formed within the trench and over the vertical spacing layer. The transistor gate layer is etched, which exposes the vertical spacing layer. A spacer layer is formed over the etched conductive gate layer and over the vertical spacing layer, then the spacer layer and the vertical spacing layer are anisotropically etched. Subsequent to anisotropically etching the vertical spacing layer, a portion of the vertical spacing layer is interposed between the semiconductor wafer and the etched conductive transistor gate layer in a direction perpendicular to the plane of a major surface of the semiconductor wafer.
    • 用于制造凹陷存取器晶体管栅极的方法具有增加的掩模未对准的容限。 本发明的一个实施例包括在半导体晶片上形成垂直间隔层,然后蚀刻垂直间隔层和半导体晶片以在晶片中形成凹陷。 然后在沟槽内和垂直间隔层上形成导电晶体管栅极层。 蚀刻晶体管栅极层,暴露垂直间隔层。 在蚀刻的导电栅极层上方并在垂直间隔层之上形成间隔层,然后间隔层和垂直间隔层被各向异性地蚀刻。 在各向异性蚀刻垂直间隔层之后,垂直间隔层的一部分在垂直于半导体晶片的主表面的平面的方向插入在半导体晶片和蚀刻的导电晶体管栅极层之间。