发明名称 Method of making a lithography mask
摘要 A method of making a lithography mask with a stress-relief treatment is disclosed. The method includes providing a substrate and depositing an opaque layer on the substrate. The opaque layer is patterned to form a patterned mask. A stress-relief treatment is applied to the patterned mask by using an radiation exposure.
申请公布号 US8916482(B2) 申请公布日期 2014.12.23
申请号 US201213437075 申请日期 2012.04.02
申请人 Taiwan Semiconductor Manufacturing Company, Ltd. 发明人 Lee Hsin-Chang;Lin Yun-Yue;Hsieh Hung-Chang;Chen Chia-Jen;Su Yih-Chen;Lien Ta-Cheng;Yen Anthony
分类号 H01L21/31 主分类号 H01L21/31
代理机构 Haynes and Boone, LLP 代理人 Haynes and Boone, LLP
主权项 1. A method of forming a lithography mask comprising: providing a substrate; forming an opaque layer on the substrate; patterning the opaque layer to form a patterned mask; and selectively applying a stress-relief treatment to different portions of the patterned mask by exposing the different portions to a radiation.
地址 Hsin-Chu TW