Invention Grant
US09171759B2 System and method for die to die stress improvement 有权
模具应力改善的系统和方法

System and method for die to die stress improvement
Abstract:
A semiconductor wafer having a plurality of chip die areas arranged on a wafer in an array, each chip die area including a seal ring area with one or more first sets of polygonal structures. The wafer further comprises scribe line areas between the chip die areas, the scribe line areas including one or more second sets of polygonal structures. The presence of proximate polygonal structures between the scribe line and seal ring areas balance stresses between the chip die areas during wafer dicing operation.
Public/Granted literature
Information query
Patent Agency Ranking
0/0