Invention Grant
US07956983B2 Exposure equipment having auxiliary photo mask and exposure method using the same 有权
具有辅助光罩的曝光设备和使用其的曝光方法

Exposure equipment having auxiliary photo mask and exposure method using the same
Abstract:
Example embodiments of the present invention may provide exposure equipment having an auxiliary photo mask. The exposure equipment may include a light source and a first photo mask spaced apart from the light source by a desired distance. A second photo mask may include a third region and a fourth region. An exposure method using the exposure equipment also may be provided.
Information query
Patent Agency Ranking
0/0