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    • 3. 发明授权
    • Pattern dimension measurement method and charged particle beam apparatus
    • 图案尺寸测量方法和带电粒子束装置
    • US09297649B2
    • 2016-03-29
    • US14001433
    • 2011-12-12
    • Hiroki KawadaNorio HasegawaToru Ikegami
    • Hiroki KawadaNorio HasegawaToru Ikegami
    • G01B15/06G01N23/225H01J37/28H01J37/22G01N23/00H01J37/244
    • G01B15/06G01N23/00H01J37/222H01J37/244H01J37/28H01J2237/24578H01J2237/2816H01J2237/2817
    • The present invention aims to provide a pattern dimension measurement method for accurately measuring an amount of shrinkage of a pattern that shrinks and an original dimension value before the shrinkage and a charged particle beam apparatus.In order to attain the above-mentioned object, there are proposed a pattern dimension measurement method and a charged particle beam apparatus that are characterized by: forming a thin film on a sample including the pattern after carrying out beam scanning onto a first portion of the pattern; acquiring a first measurement value by scanning a beam onto a region corresponding to the first portion on which the thin film is formed; acquiring a second measurement value by scanning a beam onto a second portion that has identical dimensions as those of the first portion on design data; and finding the amount of shrinkage of the pattern based on subtraction processing of subtracting the first measurement value from the second measurement value.
    • 本发明的目的在于提供一种图形尺寸测量方法,用于精确测量收缩的图案的收缩量和收缩前的原始尺寸值以及带电粒子束装置。 为了实现上述目的,提出了一种图案尺寸测量方法和带电粒子束装置,其特征在于:在对包含图案的样品进行束扫描之后,在包含该图案的样品上形成薄膜至第一部分 模式; 通过将光束扫描到与其上形成有薄膜的第一部分对应的区域来获取第一测量值; 通过将光束扫描到与设计数据上的第一部分具有相同尺寸的第二部分上来获取第二测量值; 并且基于从第二测量值减去第一测量值的减法处理来找出图案的收缩量。
    • 5. 发明申请
    • PATTERN DIMENSION MEASUREMENT METHOD AND CHARGED PARTICLE BEAM APPARATUS
    • 图案尺寸测量方法和充电颗粒光束装置
    • US20140048706A1
    • 2014-02-20
    • US14001433
    • 2011-12-12
    • Hiroki KawadaNorio HasegawaToru Ikegami
    • Hiroki KawadaNorio HasegawaToru Ikegami
    • G01N23/00
    • G01B15/06G01N23/00H01J37/222H01J37/244H01J37/28H01J2237/24578H01J2237/2816H01J2237/2817
    • The present invention aims to provide a pattern dimension measurement method for accurately measuring an amount of shrinkage of a pattern that shrinks and an original dimension value before the shrinkage and a charged particle beam apparatus.In order to attain the above-mentioned object, there are proposed a pattern dimension measurement method and a charged particle beam apparatus that are characterized by: forming a thin film on a sample including the pattern after carrying out beam scanning onto a first portion of the pattern; acquiring a first measurement value by scanning a beam onto a region corresponding to the first portion on which the thin film is formed; acquiring a second measurement value by scanning a beam onto a second portion that has identical dimensions as those of the first portion on design data; and finding the amount of shrinkage of the pattern based on subtraction processing of subtracting the first measurement value from the second measurement value.
    • 本发明的目的在于提供一种图形尺寸测量方法,用于精确测量收缩的图案的收缩量和收缩前的原始尺寸值以及带电粒子束装置。 为了实现上述目的,提出了一种图案尺寸测量方法和带电粒子束装置,其特征在于:在对包含图案的样品进行束扫描之后,在包含该图案的样品上形成薄膜至第一部分 模式; 通过将光束扫描到与其上形成有薄膜的第一部分对应的区域来获取第一测量值; 通过将光束扫描到与设计数据上的第一部分具有相同尺寸的第二部分上来获取第二测量值; 并且基于从第二测量值减去第一测量值的减法处理来找出图案的收缩量。