Patent ID: 9203028
Filing Date: 2015-12-01
Classification: B05B,C23C,C23F,G03F,H01L

Abstract:
1. A method for producing a vapor deposition mask that is formed by a metal mask provided with a slit, and a resin mask that is positioned on a front surface of the metal mask, and has openings corresponding to a pattern to be produced by vapor deposition arranged by lengthwise and crosswise in a plurality of rows being stacked on each other, comprising the steps of: preparing a metal plate with a resin layer in which a resin layer is provided on one surface of the metal plate; forming a metal mask with a resin layer by forming a slit that penetrates through only the metal plate, for the metal plate in the metal plate with a resin layer; and forming a resin mask by forming the openings corresponding to a pattern to be produced by vapor deposition in a plurality of rows lengthwise and crosswise in the resin layer by emitting a laser from the metal mask side.