Patent ID: 11913778
Assignee: KIOXIA CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. A shape calculation device comprising:
a first profile generation unit that generates a first scattering profile obtained by irradiating a first structure on a substrate with an electromagnetic wave;
a second profile generation unit that generates a second scattering profile based on a second structure, the second structure being a structure simulated;
a factor-of-interest identification unit that selects at least a shape parameter, as a measuring target, from a plurality of shape parameters which define the second structure, and identifies factors of interest corresponding to the selected shape parameter among a plurality of factors from the second scattering profile, the plurality of factors being included in the second scattering profile and having information of scattered intensity;
a data frame creation unit that creates a first data frame by extracting the factors of interest from the first scattering profile, and creates a second data frame by extracting the factors of interest from the second scattering profile;
a fitting unit that performs fitting between the first data frame and the second data frame; and
a shape identification unit that determines the shape of the first structure based on a result of the fitting.