发明名称 Projection lens systems
摘要 Projection lens systems, which are used to transfer a pattern from a reticle onto a substrate, incorporate projection optical systems that are capable of maintaining the same, or increased performance, as the current projections lens systems, achieve excellent aberration correction, and which have high numerical apertures.
申请公布号 US5856884(A) 申请公布日期 1999.01.05
申请号 US19970924303 申请日期 1997.09.05
申请人 NIKON CORPORATION 发明人 MERCADO, ROMEO I.
分类号 G02B13/24;G03F7/20;(IPC1-7):G02B9/00 主分类号 G02B13/24
代理机构 代理人
主权项
地址