Patent ID: 11867496
Assignee: EVIDENT CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 12:
13. A measurement system, comprising:
an optical measurement instrument that measures a surface of a specimen; and
a control apparatus that controls the measurement instrument,
wherein the control apparatus includes:
at least one non-transitory computer-readable media that includes an instruction; and
at least one processor that executes the instruction,

wherein the instruction is executable to cause the at least one processor to execute an operation, and
wherein the operation includes:
causing the measurement instrument to repetitively measure the surface of the specimen without changing a setting;
evaluating an appropriateness of the setting for measuring a surface texture of the specimen, based on a comparison between a measurement value of the surface texture of the specimen calculated from a measurement data item output from the measurement instrument, and a degree of variation in measurement by the measurement instrument calculated from a plurality of measurement data items output from the measurement instrument;
changing the setting depending on an evaluation result of the appropriateness of the setting;
causing the measurement instrument to repetitively measure the surface of the specimen with the changed setting;
evaluating an appropriateness of the changed setting for measuring the surface texture of the specimen, based on a comparison between a measurement value of the surface texture of the specimen calculated from a measurement data item output from the measurement instrument after the setting is changed, and a degree of variation in measurement by the measurement instrument calculated from a plurality of measurement data items output from the measurement instrument after the setting is changed; and
fixing the setting when the evaluation result satisfies a predetermined reference.