Patent ID: 11961222
Assignee: HIMS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. The mask inspection method of claim 2, wherein:
the first partial image comprises a plurality of first groups defined therein, each of the plurality of first groups comprising n first group patterns, which are some of the plurality of first patterns, where the number n is an integer of 2 or greater;
the second partial image comprises a plurality of second groups defined therein, each of the plurality of second groups comprising m second group patterns, which are some of the plurality of second patterns, where the number m is an integer of 2 or greater;
the step of inspecting the first region comprises the step of comparing the plurality of first groups with each other; and
the step of inspecting the second region comprises the step of comparing the plurality of second groups with each other.