METHOD OF QUALITY DETERMINING OF DEPOSITION MASK, METHOD OF MANUFACTURING DEPOSITION MASK, METHOD OF MANUFACTURING DEPOSITION MASK DEVICE, METHOD OF SELECTING DEPOSITION MASK AND DEPOSITION MASK

摘要

A method of quality determination of a deposition mask according to the present disclosure includes: a measuring step that measures a dimension X1 from a P1 point to a Q1 point, and a dimension X2 from a P2 point to a Q2 point; and a determining step that determines a quality of a deposition mask, based on the dimension X1 and the dimension X2 measured in the measuring step.