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    • 7. 发明授权
    • Method and apparatus for determining the absorption in a blank
    • 用于确定空白中的吸收的方法和装置
    • US09036152B2
    • 2015-05-19
    • US14150552
    • 2014-01-08
    • CARL ZEISS SMT GmbH
    • Eric Eva
    • G01N21/00G01N21/17G01M11/02G02B13/14
    • G01N21/17G01M11/0257G01M11/0285G01N21/171G02B13/143
    • A method for determining the absorption of a blank (2) for producing an optical element (3), including: radiating a heating light ray (8) through the blank (2) for the purpose of heating the blank (2), and determining the absorption in the blank (2) by measuring at least one property of a measurement light ray (10) influenced by the heating of the blank (2). In the method, either the heating light ray (8) and the measurement light ray (10) or the heating light ray and a further heating light ray are oriented to enter into the blank (2) through a first polished surface (2a) or a second polished surface (2b), situated opposite the first surface, and meet one another exclusively in the interior of the blank (2), preferably in a volume (12) used for the production of the optical element (3). An associated measuring apparatus (1), optical element (3), and optical arrangement are also disclosed.
    • 一种用于确定用于制造光学元件(3)的坯料(2)的吸收的方法,包括:为了加热坯料(2),通过坯料(2)辐射加热光线(8),以及确定 通过测量受到坯料(2)的加热影响的测量光线(10)的至少一个性质,在坯料(2)中的吸收。 在该方法中,加热光线(8)和测量光线(10)或加热光线和另外的加热光线被定向成通过第一抛光表面(2a)进入坯料(2)或 第二抛光表面(2b),其位于与第一表面相对的位置处,并且优选在用于制造光学元件(3)的体积(12)内彼此相遇。 还公开了相关联的测量装置(1),光学元件(3)和光学装置。
    • 9. 发明授权
    • Projection objective lens system
    • 投影物镜系统
    • US08970964B2
    • 2015-03-03
    • US13991080
    • 2011-11-25
    • Lirong Zhu
    • Lirong Zhu
    • G02B3/00G02B13/18G02B13/24G03F7/20G02B13/14
    • G02B13/18G02B13/143G02B13/24G03F7/70241
    • A projection objective lens system includes from an object plane to an image plane: a first lens group (S1) with a positive refractive power; a second lens group (S2) with a negative refractive power; a third lens group (S3) with a positive refractive power; a fourth lens group (S4) with a negative refractive power; and a fifth lens group (S5) with a positive refractive power being divided into two sub-lens groups. An aperture stop (AS) is provided between the two sub-lens groups. The following conditions are met: 0.12
    • 投影物镜系统包括从物平面到像平面的方法:具有正折射光焦度的第一透镜组(S1) 具有负屈光力的第二透镜组(S2); 具有正屈光力的第三透镜组(S3); 具有负屈光力的第四透镜组(S4) 和具有正折光力的第五透镜组(S5)被分成两个子透镜组。 在两个子透镜组之间设置孔径光阑(AS)。 满足以下条件:0.12 <| L / f | <0.4,&Dgr; R / R <1%,其中f是系统的有效焦距,L是物体与像平面之间的距离,&Dgr ; R表示边缘场束束的孔径光阑处的半径与中心场束束之间的差,R表示中心场束束的孔径光阑处的半径。