发明名称 |
PROJECTION OPTICAL SYSTEM AND EXPOSURE DEVICE HAVING THE PROJECTION OPTICAL SYSTEM |
摘要 |
A projection optical system having six reflectors (CM1 to CM6) and forming the reduced image of an image on a first surface (4) on a second surface (7), comprising a first reflection imaging optical system (G1) for forming an intermediate image of the image on the first surface and a second reflection imaging optical system (G2) for forming the image of the intermediate image on the second surface, wherein the first reflection imaging optical system further comprising a pair of convex reflectors (CM2, CM3) disposed opposedly to each other.
|
申请公布号 |
WO03005097(A1) |
申请公布日期 |
2003.01.16 |
申请号 |
WO2002JP05532 |
申请日期 |
2002.06.05 |
申请人 |
NIKON CORPORATION;TAKAHASHI, TOMOWAKI |
发明人 |
TAKAHASHI, TOMOWAKI |
分类号 |
G21K1/06;G02B17/00;G02B17/06;G02B17/08;G03F7/20;H01L21/027;(IPC1-7):G02B17/06 |
主分类号 |
G21K1/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|