发明名称 PHOTOMASK HAVING A HIGH BEAM CONTRAST, METHOD OF FABRICATING THE PHOTOMASK, AND METHOD OF EXPOSING A WAFER USING THE PHOTOMASK
摘要 <p>Provided are a photomask, which has high beam contrast and is manufactured in a simple manner, and an exposure method using the same, which is easily capable of forming a photoresist pattern with a desired profile. A photomask(100) comprises: a transparent substrate(110); and a transmissivity control film pattern(120) which is disposed on the transparent substrate(110) and has a thickness(d) which exhibits the maximum beam contrast while maintaining the same phase as an incident light. The exposure method includes the steps of: forming a photoresist layer on a patterning layer disposed on a wafer; and transmitting a light onto the photomask(100) to change a solubility of predetermined portions of the photoresist layer.</p>
申请公布号 KR100746625(B1) 申请公布日期 2007.07.31
申请号 KR20060059947 申请日期 2006.06.29
申请人 HYNIX SEMICONDUCTOR INC. 发明人 YANG, KI HO
分类号 G03F1/62;G03F1/68;H01L21/027 主分类号 G03F1/62
代理机构 代理人
主权项
地址