Methods and systems for generating a two-dimensional map of...

Details Methods and systems for generating a two-dimensional map of... Methods and systems for generating a two-dimensional map of...

2005-08-30

2005-08-30

Hail, III, Joseph J. (Department: 3723)

Abrading

Precision device or process - or with condition responsive...

Computer controlled

C451S005000, C451S006000, C451S008000, C451S009000, C451S041000, C451S285000, C451S286000, C451S287000, C451S288000, C438S014000, C438S015000, C438S016000, C438S017000

Reexamination Certificate

active

06935922

ABSTRACT:
Methods and systems for generating a two-dimensional map of a characteristic at relative or absolute locations of measurement spots on a specimen during polishing are provided. One method includes scanning a specimen with a measurement device during polishing to generate output signals at measurement spots on the specimen. The method may also include determining a characteristic of polishing at the measurement spots from the output signals. In addition, the method may include determining relative or absolute locations of the measurement spots on the specimen. The method may further include generating a two-dimensional map of the characteristic at the relative or absolute locations of the measurement spots on the specimen. In some embodiments, the relative locations of the measurement spots may be determined from a representative scan path of the measurement device and an average spacing between starting points on individual scans.

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