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    • 2. 发明专利
    • Managing method of semiconductor manufacturing equipment, and management system of semiconductor manufacturing equipment
    • 半导体制造设备的管理方法和半导体制造设备的管理系统
    • JP2008177534A
    • 2008-07-31
    • JP2007282277
    • 2007-10-30
    • Toshiba Corp株式会社東芝
    • MATSUSHITA HIROSHISUGAMOTO JIYUNJIASANO MASASHI
    • H01L21/02G03F7/20H01L21/027H01L21/66
    • PROBLEM TO BE SOLVED: To provide a managing method of semiconductor manufacturing equipment and a management system of the semiconductor manufacturing equipment by which a variation factor of a QC value which is not caused by APC control and maintenance is extracted, and causes for abnormalities in semiconductor manufacturing processes are specified. SOLUTION: The management system 100 of the semiconductor manufacturing equipment establishes a QC value variation period including variation of the QC value, based on the QC value obtained by measuring a processed dimension of a wafer processed by the semiconductor manufacturing equipment 2, and on a control signal output from a user interface 8, then retrieves the maintenance of the semiconductor manufacturing equipment 2, or a change of an APC set value before and after the QC value variation period, as events. An analysis period is set between the retrieved events, and a correlation analysis is made concerning the QC value during the analysis period and an EES parameter obtained by monitoring the semiconductor manufacturing equipment 2, then a computed coefficient of correlation and the EES parameter in which the correlation analysis is made are associated with each other, and the variation factor of the QC value is extracted. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供半导体制造设备的管理方法和半导体制造设备的管理系统,通过该管理方法提取不是由APC控制和维护引起的QC值的变化因子,并且导致 规定了半导体制造工艺的异常情况。 解决方案:半导体制造设备的管理系统100基于通过测量由半导体制造设备2处理的晶片的处理尺寸获得的QC值,建立包括QC值的变化的QC值变化周期,以及 在从用户接口8输出的控制信号上,作为事件检索半导体制造装置2的维护,或QC值变更期间前后的APC设定值的变更。 在检索到的事件之间设定分析期间,对分析期间的QC值和通过监视半导体制造装置2获得的EES参数进行相关分析,然后计算相关系数和EES参数,其中 相关分析相互关联,提取QC值的变化因子。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Defect detection system, defect detection method, and program
    • 缺陷检测系统,缺陷检测方法和程序
    • JP2008004641A
    • 2008-01-10
    • JP2006170677
    • 2006-06-20
    • Toshiba Corp株式会社東芝
    • MATSUSHITA HIROSHIARAKAWA YASUTAKASUGAMOTO JIYUNJI
    • H01L21/66G01R31/26H01L21/02
    • G05B19/41875G01N21/9501G05B2219/32221G05B2219/32222Y02P90/04Y02P90/22
    • PROBLEM TO BE SOLVED: To provide a defect detection system for accurately detecting a cause of defect of a semiconductor device. SOLUTION: The system includes: a data acquisition unit 11 for respectively acquiring a time series data of device parameters of a plurality of manufacturing apparatus 21 to 2n including an exposure apparatus and defect distribution information, in more minute unit than the size of chips arranged on a wafer to be processed with the plurality of manufacturing apparatus 21 to 2n; a pattern sorting unit 12 for grouping and sorting to defect patterns in unit of shot region or the exposure apparatus, or in unit of chip; a feature calculating unit 13 for calculating a feature value by statistically processing the time series data; a significance difference checking unit 14 for calculating frequency distribution of the feature value respectively divided for existence or non-existence of the defect pattern in unit of shot region or chip, and determining significance difference between frequency distributions respectively divided into existence and non-existence of the defect pattern; and a defect detecting unit 15 for detecting, when significance difference is determined to exist, a device parameter corresponding to the feature value as a defect cause of the defect pattern. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于准确地检测半导体器件的缺陷原因的缺陷检测系统。 解决方案:该系统包括:数据获取单元11,用于分别获取包括曝光设备和缺陷分布信息的多个制造设备21至2n的设备参数的时间序列数据,比以 芯片布置在待处理的晶片上,多个制造装置21至2n; 用于以拍摄区域或曝光装置为单位或以芯片为单位对缺陷图案进行分组和分类的图案分类单元12; 特征计算单元13,用于通过统计处理时间序列数据来计算特征值; 用于计算以拍摄区域或码片为单位分别划分为缺陷图案的存在或不存在的特征值的频率分布的显着性差异检查单元14,并且确定分别分为存在和不存在的频率分布之间的显着性差异 缺陷模式; 以及缺陷检测单元15,用于当确定存在显着性差异时,检测与特征值相对应的设备参数作为缺陷图案的缺陷原因。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • System and method for production device control and program
    • 用于生产设备控制和程序的系统和方法
    • JP2005251925A
    • 2005-09-15
    • JP2004059175
    • 2004-03-03
    • Toshiba Corp株式会社東芝
    • MATSUSHITA HIROSHINODA TOMONOBUKADOTA KENICHISUGAMOTO JIYUNJIUSHIKU YUKIHIRO
    • H01L21/66G01R31/26H01L21/02H01L23/58
    • H01L22/20G01R31/2894G05B23/0248G05B2219/31357Y02P90/14
    • PROBLEM TO BE SOLVED: To provide a production device control system capable of specifying device parameters to clear source of defective troubles. SOLUTION: This system comprises a production information input part 40 obtaining time-series data of the device parameters controlling a plurality of production devices 2a to 2n, respectively, a failure pattern classifying part 42 for classifying wafer in-plane distribution trends of defective semiconductor devices on a wafer manufactured by the plurality of production devices 2a to 2n, a feature value calculator 44 for statistically processing respective time-series data by a plurality of algorithms to calculate a plurality of feature values corresponding to each of the plurality of algorithms, a feature value analyzer 46 for calculating a frequency distribution of the feature value corresponding to each of presence of a defective pattern with regard to each of the plurality of feature values to execute a significant test between the frequency distributions according to the presence of the defective pattern, and an abnormality parameter extractor 48 for comparing a test value calculated by the significant test with a test reference value to extract an occurrence cause feature value of the defective pattern. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够指定设备参数以清除缺陷故障源的生产设备控制系统。 解决方案:该系统包括生产信息输入部分40,分别获得控制多个生产装置2a至2n的装置参数的时间序列数据;故障模式分类部分42,用于将晶片的平面内分布趋势进行分类; 由多个生产装置2a至2n制造的晶片上的有缺陷的半导体器件,特征值计算器44,用于通过多个算法对各个时间序列数据进行统计处理,以计算与多个算法中的每一个对应的多个特征值 ,特征值分析器46,用于计算与多个特征值中的每个特征值相关的每个存在缺陷图案的特征值的频率分布,以根据有缺陷的存在来执行频率分布之间的有效测试 模式,以及用于比较测试值计算的异常参数提取器48 通过具有测试参考值的显着测试来提取出现故障模式的特征值。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Process control system, process control method, and manufacturing method of electronic device
    • 过程控制系统,过程控制方法和电子设备的制造方法
    • JP2007088035A
    • 2007-04-05
    • JP2005272019
    • 2005-09-20
    • Toshiba Corp株式会社東芝
    • SUGAMOTO JIYUNJIUSHIKU YUKIHIRO
    • H01L21/02H01L21/027
    • PROBLEM TO BE SOLVED: To provide a process control system capable of improvements of process capability and manufacturing yield.
      SOLUTION: The system comprises a monitoring unit 18 for monitoring apparatus information of a manufacturing apparatus 16; an apparatus information collecting unit 10 for collecting monitored values of the apparatus information from the monitoring unit 18 in the course of execution of a manufacturing process; a correlation creating unit 11 for creating a correlation with a monitored value of the apparatus information, a processing parameter for controlling the manufacturing apparatus 16, and a feature amount obtained from a finished shape in a manufacturing process for a test wafer; a process management unit 12 for calculating a set value of the processing parameter of the manufacturing process on the basis of at least one of estimated values of feature amounts calculated on the basis of a correlation with respect to each of monitored values excepting the monitored values of the apparatus information in a manufacturing process for a plurality of reference wafers; an apparatus control unit 20 for controlling the manufacturing apparatus in accordance with a processing recipe where set values are described in processing steps.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够改善工艺能力和制造产量的工艺控制系统。 解决方案:该系统包括用于监视制造装置16的装置信息的监视单元18; 用于在执行制造过程的过程中从监视单元18收集设备信息的监视值的装置信息收集单元10; 相关制造单元11,用于产生与装置信息的监视值的相关性,用于控制制造装置16的处理参数,以及在测试晶片的制造过程中从最终形状获得的特征量; 过程管理单元12,用于基于除了监视值的监视值之外的每个监视值的基于相关性计算的特征量的估计值中的至少一个来计算制造过程的处理参数的设定值 在多个参考晶片的制造过程中的装置信息; 装置控制单元20,用于根据在处理步骤中描述设定值的处理配方控制制造装置。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Process control system, process control method and method of manufacturing electronic apparatus
    • 过程控制系统,过程控制方法和制造电子设备的方法
    • JP2007005367A
    • 2007-01-11
    • JP2005180659
    • 2005-06-21
    • Toshiba Corp株式会社東芝
    • SUGAMOTO JIYUNJIUSHIKU YUKIHIROAKIYAMA KAZUTAKAHARAKAWA SHOICHI
    • H01L21/02G05B19/418H01L21/3065H01L21/8242H01L27/108H01L29/78
    • Y02P90/12Y02P90/20
    • PROBLEM TO BE SOLVED: To provide a process control system capable of improving process capability and production yield. SOLUTION: The system is provided with a client computer 15 for creating a correspondence relation between a monitoring value of information about a manufacturing apparatus and feature amount to be acquired from a control parameter of the manufacturing apparatus and a finished shape in a reference manufacturing process, in the reference manufacturing process; production management system 14 for creating a processing recipe describing a control parameter calculated, based on the dimensions of a processing object structure of an actual manufacturing process, as a first set value of a first step in an actual manufacturing process; apparatus information collecting section 32 for collecting monitoring values of the apparatus information from the manufacturing apparatus, currently executing the actual manufacturing process at the first set value; feature amount calculating section 36 for calculating feature amount corresponding to the monitoring value, on the basis of the correspondence relation; parameter calculating section 38 for calculating a second set value of a second step, subsequent to the first step on the basis of the feature amount; and apparatus control unit 19 for changing the processing recipe by using a the second set value as a set value of the second step. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够提高处理能力和生产产量的过程控制系统。 解决方案:系统设置有客户端计算机15,用于根据制造装置的控制参数和参考中的最终形状来创建关于制造装置的信息的监视值和要获取的特征量之间的对应关系 制造过程中,在参考制造过程中; 生产管理系统14,用于基于实际制造过程的处理对象结构的尺寸,将实际制造过程中的第一步骤的第一设定值计算出的描述控制参数的处理配方; 装置信息收集部分32,用于收集来自制造装置的装置信息的监视值,当前以第一设定值执行实际制造过程; 特征量计算部36,用于基于对应关系计算与监视值对应的特征量; 参数计算部38,用于基于特征量计算第一步骤之后的第二步骤的第二设定值; 以及用于通过使用第二设定值作为第二步骤的设定值来改变处理配方的设备控制单元19。 版权所有(C)2007,JPO&INPIT