Patent ID: 6699552
Filing Date: 2004-03-02
Classification: H01L,Y10T

Abstract:
A break pattern formed on a wafer having a crystal structure, comprising:through-holes formed in said wafer and formed in a direction of a scribe line of said wafer; and weak spots formed between said through-holes, respectively, wherein said scribe line is on a surface of said wafer and wherein said crystal structure of said wafer has first crystal planes oriented in a first direction and has second crystal planes oriented in a second direction, which is different than said first direction, wherein each of said through-holes is a parallelogram-shaped hole having opposed long sides defined by two of said first crystal planes and having opposed short sides defined by two of said second crystal planes that respectively intersect said two of said first crystal planes, and wherein said through-holes are disposed along said scribe line, a first group of said through-holes are substantially disposed on only a first side of said scribe line, and a second group of said through holes are substantially disposed only on a second side of said scribe line.