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    • 7. 发明授权
    • RF matching unit
    • 射频匹配单元
    • US06816029B2
    • 2004-11-09
    • US09935582
    • 2001-08-24
    • Dae-Kyu ChoiYoung-Min MinSang-Mun ChonYun-Sik YangJin-Man Kim
    • Dae-Kyu ChoiYoung-Min MinSang-Mun ChonYun-Sik YangJin-Man Kim
    • H03H738
    • H01J37/32082H01F2021/125H01J37/32183
    • An apparatus for matching the impedance of an RF generator to the impedance of an RF load, for use in manufacturing semiconductor devices by using a plasma. The apparatus includes a variable inductor coupled to a variable capacitor and an invariable capacitor, the variable inductor having two inductors coupled electrically with each other in series and disposed adjacent to each other. At least one of the two inductors is disposed movably to make the magnetic flux of the one inductor interfere with the magnetic flux of the other inductor, thereby to control the inductance of the variable inductor. In the case of a plasma enhanced semiconductor wafer processing system, the apparatus can reduce the time necessary to achieve an RF match between the RF generator and the RF load, thereby increasing the life of the apparatus.
    • 一种用于将RF发生器的阻抗与RF负载的阻抗相匹配的装置,用于通过使用等离子体制造半导体器件。 该装置包括耦合到可变电容器和不变电容器的可变电感器,该可变电感器具有串联并彼此相邻布置的彼此电耦合的两个电感器。 两个电感器中的至少一个被可移动地设置,以使一个电感器的磁通量与另一个电感器的磁通量相互干扰,从而控制可变电感器的电感。 在等离子体增强半导体晶片处理系统的情况下,该装置可以减少在RF发生器和RF负载之间实现RF匹配所需的时间,从而延长设备的使用寿命。
    • 8. 发明授权
    • Method and apparatus for inspecting defects in multiple regions with different parameters
    • 用于检查具有不同参数的多个区域中的缺陷的方法和装置
    • US07433032B2
    • 2008-10-07
    • US11253028
    • 2005-10-17
    • Joung-Soo KimSang-Mun ChonChung-Sam JunYu-Sin Yang
    • Joung-Soo KimSang-Mun ChonChung-Sam JunYu-Sin Yang
    • G01B15/00G01N21/00
    • G01N21/95607G01N21/21G01N21/47
    • In a method of inspecting defects, a first actual region of an actual object is inspected based on a first characteristic parameter as an inspection condition. A point where an inspection region of the actual object is changed into a second actual region from the first actual region is determined. The second actual region is then inspected based on a second characteristic parameter as the inspection condition. The first and second parameters may include contrast of a light that is reflected from a reference object, intensity of the light, brightness of the light, a size of a minute structure on the reference object, etc. The characteristic parameters of each reference region on the reference object are set. Thus, the defects may be accurately classified so that a time and a cost for reviewing the defects may be markedly reduced.
    • 在检查缺陷的方法中,基于作为检查条件的第一特征参数来检查实际物体的第一实际区域。 确定实际物体的检查区域从第一实际区域变为第二实际区域的点。 然后基于作为检查条件的第二特征参数检查第二实际区域。 第一和第二参数可以包括从参考对象反射的光的对比度,光的强度,光的亮度,参考对象上的微小结构的大小等。每个参考区域的特征参数在 参考对象被设置。 因此,可以将缺陷精确地分类,从而可以显着降低检查缺陷的时间和成本。