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    • 35. 发明申请
    • Method Of Analysis, Exposure Apparatus, And Exposure Apparatus System
    • 分析方法,曝光装置和曝光装置系统
    • US20080215295A1
    • 2008-09-04
    • US11587824
    • 2005-04-25
    • Kenichi Shiraishi
    • Kenichi Shiraishi
    • G06F17/40
    • G03F9/7003G03F7/70525G03F7/70533G03F7/70625G03F7/70633
    • The present invention provides a method of analysis enabling easy and suitable analysis of measurement data relating to the production of devices and dependent on the recipe or combination of processing units. According to the method, for example the line width precision, overlay precision, and other characteristics of the results of exposure are detected from the results of exposure for different lots and those characteristics are classified linked with for example the recipes at the time of the exposure processing exhibiting those characteristics and the processing units or combinations thereof in the exposure apparatus or track. Further, based on the classified results, whether the characteristics of the results of exposure are dependent on the specific recipe or processing units is judged. When there is dependency, when a lot using that recipe or processing unit is subsequently loaded, a warning is issued or automatic correction is performed to prevent processing with poor precision.
    • 本发明提供了一种分析方法,其能够容易且适当地分析与生产装置有关的测量数据,并且取决于配方或处理单元的组合。 根据该方法,例如根据不同批次的曝光结果检测曝光结果的线宽精度,叠加精度和其他特性,并且将这些特征与例如曝光时的配方相关联 在曝光装置或轨道中展现这些特征的处理和处理单元或其组合。 此外,基于分类结果,判断曝光结果的特性是否取决于特定配方或处理单元。 当有依赖性时,当随后加载大量使用该配方或处理单元时,发出警告或执行自动校正以防止精度差的处理。
    • 39. 发明授权
    • Method for removing AM neighboring interference and a circuit for the same
    • 用于去除AM相邻干扰的方法和用于其的电路
    • US07043026B1
    • 2006-05-09
    • US09247826
    • 1999-02-11
    • Kenichi ShiraishiAtsushi Shinoda
    • Kenichi ShiraishiAtsushi Shinoda
    • H04H5/00H04B1/10
    • H04H40/36H04B1/1018
    • An AM neighboring interference removing method and circuit is provided which can select only a desired AM modulation wave even if an interference AM modulation wave is partially superposed upon the desired AM modulation wave. An AM modulation wave desired to be received is multiplied at multipliers by local oscillation signals having frequencies 3fc/2 and fc/2 where fc is the carrier frequency of a neighboring interference AM modulation wave. High frequency components contained in the outputs of the multipliers are removed by low-pass filters. Of the outputs of the low-pass filters, the carrier frequency of the neighboring interference wave is fc/2 and the AM carrier frequencies of the AM stereo modulation wave are (fc/2+fα) and (fc/2−fα), where fα is a difference frequency between the AM carrier frequency of the AM stereo modulation wave and the carrier frequency of the neighboring interference wave. A subtractor subtracts the output of one of the low-pass filter from the output of the other to thereby cancel out the neighboring interference wave. This subtraction signal is passed through a low-pass filter having a cut-off frequency of fc/2 to derive only the AM stereo modulation wave.
    • 提供了一种AM相邻干扰去除方法和电路,其即使干扰AM调制波部分地叠加在期望的AM调制波上也可以仅选择期望的AM调制波。 需要接收的AM调制波通过具有频率3fc / 2和fc / 2的本地振荡信号乘以乘法器,其中fc是相邻干扰AM调制波的载波频率。 通过低通滤波器去除乘法器的输出中包含的高频分量。 在低通滤波器的输出中,相邻干扰波的载波频率为fc / 2,AM立体声调制波的AM载波频率为(fc / 2 + falpha)和(fc / 2-falpha), 其中falpha是AM立体声调制波的AM载波频率与相邻干扰波的载波频率之间的差分频率。 减法器从另一个的输出中减去一个低通滤波器的输出,从而抵消相邻的干扰波。 该减法信号通过具有截止频率fc / 2的低通滤波器,仅导出AM立体声调制波。
    • 40. 发明授权
    • Dummy error addition circuit
    • 虚假误差加法电路
    • US06772378B1
    • 2004-08-03
    • US09807029
    • 2001-04-09
    • Kenichi IshiharaKenichi ShiraishiSoichi ShinjoAkihiro Horii
    • Kenichi IshiharaKenichi ShiraishiSoichi ShinjoAkihiro Horii
    • G06F1100
    • H04L1/00H04L1/0003H04L1/241
    • A dummy error addition circuit for adding a dummy error to an orthogonal modulation symbol data, wherein a value based on a specified bit error rate is loaded to count clock signals at a counter (11), a carrier of the counter (11) stores outputs from a PN data generator (21) in a shift register (22), outputs from a PN comparison circuit (3) when stored data agree with count values of the counter (11) are recognized as error pulses, a bit selector (40) randomly selects, on receiving error pulses and based on outputs from a PN data generator (41), bits to which to add errors in an orthogonal modulation data, e.g. a PSK modulation symbol data, at interval based on a bit error rate, and bits selected from the orthogonal modulation data are inverted in a bit inversion circuit (5) for outputting to thereby add errors.
    • 一种用于向正交调制符号数据添加虚拟错误的虚拟错误添加电路,其中基于指定的误码率的值被加载以对计数器(11)计数时钟信号,计数器(11)的载波存储输出 当存储与计数器(11)的计数值一致的数据被识别为误差脉冲时,从PN比较电路(3)输出来自移位寄存器(22)中的PN数据发生器(21)的位选择器(40) 在接收到错误脉冲并基于PN数据生成器(41)的输出时,随机地选择在正交调制数据中添加错误的位,例如 基于比特误码率的间隔的PSK调制符号数据和从正交调制数据中选择的比特在比特反相电路(5)中反转,从而输出错误。