发明授权
US07538853B2 Exposure process and apparatus using glass photomasks 失效
曝光工艺和使用玻璃光掩模的设备

Exposure process and apparatus using glass photomasks
摘要:
An exposure process using photomasks, the process includes the steps of: providing a plurality of glass photomasks for optical lithography with respect to a target substrate to be processed, the photomasks having identical exposure patterns, and exposing the target substrate a plurality of times using the plurality of glass photomasks.
公开/授权文献
信息查询
0/0