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Patent Searching and Data


Title:
193nmより短い波長を用いた照明光学系のための、不使用領域を持つ集光器
Document Type and Number:
Japanese Patent JP2005501221
Kind Code:
A
Abstract:
The lighting of micro structures uses an optical collector that is rotationally symmetrical about an axis between the light source (1) and the target (5). The collector has a number of mirror shells (40,42,44,46) set around the axis and positioned such that there is no overlapping effect

Inventors:
Wolfgang Zinger
Wilhelm Egret
Marx Weiss
Joachim Heinz
Jochen Vitsolek
Frank Melzer
Johannes Wangler
Application Number:
JP2002565318A
Publication Date:
January 13, 2005
Filing Date:
January 23, 2002
Export Citation:
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Assignee:
Carl Zeiss SMT AG
International Classes:
G02B5/10; G02B5/09; G02B17/06; G02B19/00; G03F1/16; G03F7/20; G21K1/06; G21K5/00; G21K5/02; G21K5/04; H01L21/027; (IPC1-7): G21K1/06; G03F7/20; G21K5/00; G21K5/02; H01L21/027
Domestic Patent References:
JPS5455177A1979-05-02
JPH11219900A1999-08-10
JPH11243052A1999-09-07
JP2001013297A2001-01-19
JPH01307221A1989-12-12
JPH0438500A1992-02-07
Attorney, Agent or Firm:
Takashi Watanabe
Masatake Shiga
Yasuhiko Murayama
Shinya Mitsuhiro