Patent ID: 8778115
Filing Date: 2014-07-15
Classification: B23K,C23C,H01L

Abstract:
1. A method of manufacturing a mask, the method comprising: providing a first mask member comprising i) a first pattern unit having a plurality of slits, ii) a first buffer unit spaced apart from the first pattern unit, and iii) a first bonding unit interconnecting the first pattern unit and the first buffer unit; providing a second mask member comprising i) a second pattern unit having a plurality of slits, ii) a second buffer unit spaced apart from the second pattern unit, and iii) a second bonding unit interconnecting the second pattern unit and the second buffer unit; contacting the first bonding unit and the second bonding unit; and connecting the first mask member to the second mask member while tensile forces are applied to the first mask member and the second mask member, wherein the tensile forces are applied to the first mask member while the first pattern unit and the first buffer unit are formed on different planes.