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    • 2. 发明授权
    • System for forming a semiconductor device and method thereof
    • 用于形成半导体器件的系统及其方法
    • US07256113B1
    • 2007-08-14
    • US10058708
    • 2002-01-28
    • Kay HelligPhillip E. CrabtreeMassud Aminpur
    • Kay HelligPhillip E. CrabtreeMassud Aminpur
    • H01L21/28
    • H01L29/6659H01L29/665H01L29/6653H01L29/6656H01L29/66598H01L29/7833
    • A method for fabricating sidewall spacers in the manufacture of an integrated circuit device is disclosed. A dielectric spacer layer is formed over the semiconductor substrate. The dielectric spacer layer is etched prior to forming a layer subsequent to the dielectric layer, to form an L-shaped spacer. In another embodiment, a structure is formed on a substrate, the structure having a sidewall portion that is substantially orthogonal to a surface of the substrate. A dielectric layer is formed over the substrate. A spacer is formed over a portion of the dielectric layer and adjacent to the sidewall portion of the structure, wherein at least a portion of the dielectric layer over the substrate without an overlying oxide spacer is an unprotected portion of the dielectric. At least a part of the unprotected portion of the dielectric layer is removed. An intermediate source-drain region can be formed beneath a portion of the L-shaped spacer by controlling the thickness and/or the source drain doping levels.
    • 公开了一种在制造集成电路器件中制造侧壁间隔物的方法。 在半导体衬底上形成电介质间隔层。 在形成电介质层之后的层之前蚀刻电介质间隔层,以形成L形间隔物。 在另一个实施例中,在衬底上形成结构,该结构具有基本上垂直于衬底表面的侧壁部分。 介电层形成在衬底上。 间隔物形成在电介质层的一部分上并与结构的侧壁部分相邻,其中绝缘层上的至少一部分电介质层没有上覆的氧化物间隔物是电介质的未被保护的部分。 去除介电层的未保护部分的至少一部分。 通过控制厚度和/或源极漏极掺杂水平,可以在L形间隔物的一部分之下形成中间源极 - 漏极区。
    • 3. 发明授权
    • Method and apparatus for monitoring wafer characteristics and/or semiconductor processing consistency using wafer charge distribution measurements
    • 使用晶片电荷分布测量来监测晶片特性和/或半导体处理一致性的方法和装置
    • US06232134B1
    • 2001-05-15
    • US09490125
    • 2000-01-24
    • David Gerald FarberWei E. WuPhillip E. Crabtree
    • David Gerald FarberWei E. WuPhillip E. Crabtree
    • H01L2100
    • H01L22/20
    • A method and apparatus for characterizing processing operations is presented. Following exposure of a wafer to plasma, the surface charge distribution pattern on the wafer is measured. The surface charge distribution pattern on the wafer is then compared with known surface charge distribution patterns to determine if the measured charge distribution pattern correlates to desirable patterns associated with successful performance of one or more processing steps. In some embodiments, the comparison of the measured charge distribution pattern can be used to detect specific problems in one or more processing steps such that corrective action can be taken in a timely manner. The comparison between the measured charge distribution pattern and known charge distribution patterns may be performed using image comparison or using quantitative comparisons based on charge levels measured within each pattern.
    • 提出了一种用于表征处理操作的方法和装置。 在将晶片暴露于等离子体之后,测量晶片上的表面电荷分布图案。 然后将晶片上的表面电荷分布图案与已知的表面电荷分布图案进行比较,以确定测量的电荷分布模式是否与一个或多个处理步骤的成功执行相关联的期望模式相关。 在一些实施例中,所测量的电荷分布模式的比较可用于检测一个或多个处理步骤中的特定问题,从而能够及时地进行校正动作。 可以使用图像比较或使用基于每个图案中测量的电荷水平的定量比较来执行所测量的电荷分布图案与已知电荷分布图案之间的比较。