Patent ID: 9376743
Filing Date: 2016-06-28
CPC Classification: C23C,Y10T

Claim Text:
1. A method of manufacturing a deposition mask, the method comprising: providing a frame including a pair of first supports and a pair of second supports surrounding an opening, each of the first supports including a contact face corresponding to a face of each of the first supports and including a fastening recess at an outer edge of each of the first supports; inserting an insertion block corresponding in shape to the fastening recess into the fastening recess; bonding opposing ends of a mask strip having an opening pattern to the contact face of each of the first supports while stretching the mask strip; and removing the insertion block from the fastening recess, wherein removing the insertion block from the fastening recess is performed when the opposing ends of the mask strip are bonded to the contact face of each of the first supports.