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    • 1. 发明申请
    • PLASMA PROCESSING APPARATUS
    • 等离子体加工设备
    • US20080216956A1
    • 2008-09-11
    • US11850722
    • 2007-09-06
    • SHIGERU NAKAMOTOTatehito UsuiKazuhiro JooTakashi FujiiHiroshige Uchida
    • SHIGERU NAKAMOTOTatehito UsuiKazuhiro JooTakashi FujiiHiroshige Uchida
    • C23F1/00
    • G01B11/0625G01B11/0683H01J37/32935H01J37/32972H01J2237/334
    • To provide a plasma processing apparatus using a measuring method of a film thickness of a material to be processed, which method is capable of accurately measuring an actual residual film amount and an etching depth of the layer to be processed. The plasma processing apparatus includes: a detector 11 adapted to detect interference light of a plurality of wavelengths from the surface of a sample in a vacuum container; pattern comparing means 15 adapted to compare actual deviation pattern data relating to the interference light obtained at an arbitrary time point during the processing of the sample, with a plurality of standard deviation patterns which are data of interference light of a plurality of wavelengths relating to processing of another sample obtained before the processing of the sample, and which correspond to a plurality of thicknesses of the film, and adapted to calculate a deviation between the actual deviation pattern data and the standard deviation patterns; deviation comparing means 115 adapted to compare the deviation between the actual deviation pattern data and the standard deviation patterns, with a deviation set beforehand, and to output data relating to the film thickness of the sample at the time; residual film thickness time series data recording means 18 adapted to record the data relating to the film thickness as time series data; and an end point determining device 230 adapted to determine that etching of a predetermined amount is ended, by using the data of the film thickness.
    • 为了提供使用待处理材料的膜厚测量方法的等离子体处理装置,该方法能够精确地测量待处理层的实际残留膜量和蚀刻深度。 等离子体处理装置包括:检测器11,其适于从真空容器中的样品的表面检测多个波长的干涉光; 模式比较装置15,其适于将与在样本处理期间的任意时间点获得的干涉光相关的实际偏差图案数据与作为与处理有关的多个波长的干涉光的数据的多个标准偏差图案进行比较 在样品处理之前获得并且对应于膜的多个厚度的另一个样品,并且适于计算实际偏差图案数据和标准偏差图案之间的偏差; 偏差比较装置115,用于比较实际偏差图案数据和标准偏差图案之间的偏差,预先设定的偏差,并输出与当时样品的膜厚有关的数据; 残膜厚度时间序列数据记录装置18,适于将与薄膜厚度相关的数据记录为时间序列数据; 以及适于通过使用膜厚度的数据来确定预定量的蚀刻结束的端点确定装置230。
    • 4. 发明申请
    • Plasma Processing Apparatus
    • 等离子体处理装置
    • US20120101621A1
    • 2012-04-26
    • US13338722
    • 2011-12-28
    • Tatehito USUIKazuhiro JooTakashi Fujii
    • Tatehito USUIKazuhiro JooTakashi Fujii
    • G06F19/00
    • G01B11/0625H01J37/32935H01J37/32972
    • A plasma processing apparatus includes a detector for detecting interference light of multiple wavelengths from a surface of a sample during processing, a pattern comparator for comparing actual deviation pattern data on the interference light obtained at a given time during processing and a plurality of standard deviation patterns corresponding to two or more thicknesses of the film, and calculating a deviation, the standard deviation patterns corresponding to interference light data of multiple wavelengths obtained, before the processing of the sample, for processing of another sample, a deviation comparator for comparing the deviation between the data and a predetermined deviation and outputting data on a thickness of the film of the sample at that time, a recorder for recording, as time series data, the data on the thickness of the film, and an endpoint decision unit.
    • 等离子体处理装置包括:检测器,用于在处理期间检测来自样品表面的多个波长的干涉光;图案比较器,用于比较在处理期间获得的干涉光上的实际偏差图案数据与多个标准偏差图案 对应于膜的两个或更多个厚度,并且计算偏差,对应于在样品处理之前获得的多个波长的干涉光数据的标准偏差图案,用于处理另一个样品,偏差比较器,用于比较 数据和预定的偏差,并输出当时的样品的胶片的厚度,作为时间序列数据记录的胶片的厚度数据和端点判定单元的数据。
    • 5. 发明申请
    • Plasma processing apparatus
    • 等离子体处理装置
    • US20070202613A1
    • 2007-08-30
    • US11371921
    • 2006-03-10
    • Tatehito UsuiKazuhiro JooTakashi Fujii
    • Tatehito UsuiKazuhiro JooTakashi Fujii
    • H01L21/66
    • G01B11/0625H01J37/32935H01J37/32972
    • A plasma processing apparatus is provided using a method of measuring the thickness of a processed material, by which the actual remaining thickness or etching depth of a processed layer can be correctly measured online. The plasma processing apparatus includes a detector 11 for detecting interference light of multiple wavelengths from a surface of a sample during processing, pattern comparing means 15 for comparing actual deviation pattern data on the interference light obtained at a given time during processing and a plurality of standard deviation patterns corresponding to two or more thicknesses of the film, and calculating a deviation, the standard deviation patterns corresponding to interference light data of multiple wavelengths obtained, before the processing of the sample, for processing of another sample, deviation comparing means 115 for comparing the deviation between the data and a predetermined deviation and outputting data on a thickness of the film of the sample at that time, remaining-thickness time-series data recording means 18 for recording, as time series data, the data on the thickness of the film, and an endpoint decision unit 230 for deciding completion of a predetermined amount of etching by using the data on the thickness of the film.
    • 使用测量加工材料的厚度的方法来提供等离子体处理装置,通过该方法可以在线正确地测量处理层的实际剩余厚度或蚀刻深度。 等离子体处理装置包括:检测器11,用于在处理期间检测来自样品表面的多个波长的干涉光;图案比较装置15,用于比较在处理期间获得的干涉光获得的实际偏差图案数据与多个标准 对应于膜的两个或更多个厚度的偏差图案,并且计算偏差,对应于在样品处理之前获得的多个波长的干涉光数据的标准偏差图案,用于处理另一个样品,用于比较的偏差比较装置115 数据之间的偏差和预定的偏差,并输出当时的样品的胶片的厚度,用于记录的剩余厚度时间序列数据记录装置18作为时间序列数据的数据, 电影以及用于决定预定量的完成的端点决定单元230 通过使用关于膜的厚度的数据进行蚀刻。
    • 6. 发明授权
    • Plasma processing apparatus
    • 等离子体处理装置
    • US08747608B2
    • 2014-06-10
    • US13338722
    • 2011-12-28
    • Tatehito UsuiKazuhiro JooTakashi Fujii
    • Tatehito UsuiKazuhiro JooTakashi Fujii
    • C23C16/52C23C16/50C23C16/06C23C16/22
    • G01B11/0625H01J37/32935H01J37/32972
    • A plasma processing apparatus includes a detector for detecting interference light of multiple wavelengths from a surface of a sample during processing, a pattern comparator for comparing actual deviation pattern data on the interference light obtained at a given time during processing and a plurality of standard deviation patterns corresponding to two or more thicknesses of the film, and calculating a deviation, the standard deviation patterns corresponding to interference light data of multiple wavelengths obtained, before the processing of the sample, for processing of another sample, a deviation comparator for comparing the deviation between the data and a predetermined deviation and outputting data on a thickness of the film of the sample at that time, a recorder for recording, as time series data, the data on the thickness of the film, and an endpoint decision unit.
    • 等离子体处理装置包括:检测器,用于在处理期间检测来自样品表面的多个波长的干涉光;图案比较器,用于比较在处理期间获得的干涉光上的实际偏差图案数据与多个标准偏差图案 对应于膜的两个或更多个厚度,并且计算偏差,对应于在样品处理之前获得的多个波长的干涉光数据的标准偏差图案,用于处理另一个样品,偏差比较器,用于比较 数据和预定的偏差,并输出当时的样品的胶片的厚度,作为时间序列数据记录的胶片的厚度数据和端点判定单元的数据。
    • 7. 发明授权
    • Plasma processing apparatus
    • 等离子体处理装置
    • US08088247B2
    • 2012-01-03
    • US11371921
    • 2006-03-10
    • Tatehito UsuiKazuhiro JooTakashi Fujii
    • Tatehito UsuiKazuhiro JooTakashi Fujii
    • H01L21/00C23C16/00C23C14/00
    • G01B11/0625H01J37/32935H01J37/32972
    • A plasma processing apparatus is provided using a method of measuring the thickness of a processed material, by which the actual remaining thickness or etching depth of a processed layer can be correctly measured online. The plasma processing apparatus includes a detector 11 for detecting interference light of multiple wavelengths from a surface of a sample during processing, pattern comparing means 15 for comparing actual deviation pattern data on the interference light obtained at a given time during processing and a plurality of standard deviation patterns corresponding to two or more thicknesses of the film, and calculating a deviation, the standard deviation patterns corresponding to interference light data of multiple wavelengths obtained, before the processing of the sample, for processing of another sample, deviation comparing means 115 for comparing the deviation between the data and a predetermined deviation and outputting data on a thickness of the film of the sample at that time, remaining-thickness time-series data recording means 18 for recording, as time series data, the data on the thickness of the film, and an endpoint decision unit 230 for deciding completion of a predetermined amount of etching by using the data on the thickness of the film.
    • 使用测量加工材料的厚度的方法来提供等离子体处理装置,通过该方法可以在线正确地测量处理层的实际剩余厚度或蚀刻深度。 等离子体处理装置包括:检测器11,用于在处理期间检测来自样品表面的多个波长的干涉光;图案比较装置15,用于比较在处理期间获得的干涉光获得的实际偏差图案数据与多个标准 对应于膜的两个或更多个厚度的偏差图案,并且计算偏差,对应于在样品处理之前获得的多个波长的干涉光数据的标准偏差图案,用于处理另一个样品,用于比较的偏差比较装置115 数据之间的偏差和预定的偏差,并输出当时的样品的胶片的厚度,用于记录的剩余厚度时间序列数据记录装置18作为时间序列数据的数据, 电影以及用于决定预定量的完成的端点决定单元230 通过使用关于膜的厚度的数据进行蚀刻。