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    • 94. 发明授权
    • Compact 1½-waist system for sub 100 nm ArF lithography
    • 紧凑的1½腰系统用于亚100 nm ArF光刻
    • US06906866B2
    • 2005-06-14
    • US10688212
    • 2003-10-15
    • Russell HudymaWilhelm UlrichHans-Juergen Rostalski
    • Russell HudymaWilhelm UlrichHans-Juergen Rostalski
    • G02B13/14G03F7/20G02B3/00G02B9/00
    • G03F7/70241G02B13/143
    • According to one exemplary embodiment, a projection lens having an object plane and an image plane is provided and includes the following lens groups listed objectwise to imagewise: (1) a first lens group having negative refractive power; and (2) at least three other lens groups having a positive refractive power and at least one other lens group having a negative refractive power. In one embodiment, the projections lens includes a second lens group having a positive refractive power; a third lens group having a negative refractive power; and fourth, fifth and sixth lens groups having overall positive refractive power. The projection lens having a numerical aperture of at least about 0.85 and is of a 1½ waist construction, with the ½ waist defined in the first lens group and a primary waist is defined in the third lens group.
    • 根据一个示例性实施例,提供具有物平面和像平面的投影透镜,并且包括以成像方式对象地列出的以下透镜组:(1)具有负屈光力的第一透镜组; 和(2)具有正屈光力的至少三个其它透镜组和具有负屈光力的至少一个其它透镜组。 在一个实施例中,投影透镜包括具有正折光力的第二透镜组; 具有负屈光力的第三透镜组; 以及具有总正正屈光力的第四,第五和第六透镜组。 投影透镜具有至少约0.85的数值孔径,并且具有1/2腰围结构,其中限定在第一透镜组中的1/2腰围和初级腰围限定在第三透镜组中。
    • 98. 发明授权
    • UV-capable dry lens for microscopes
    • 紫外线可干透镜用于显微镜
    • US5103341A
    • 1992-04-07
    • US524085
    • 1990-05-15
    • Wilhelm UlrichFranz Muchel
    • Wilhelm UlrichFranz Muchel
    • G02B13/14G02B21/02G02B27/00
    • G02B27/0068G02B21/02
    • An UV-capable dry objective for microscopes in which aperture aberration is corrected, at the same time, both for the visible spectrum and for a selected UV-wavelength. The objective comprises two lens groups separated by an air gap which is varied in size by relative movement between the two lens groups. The size of the air gap is adjusted to correct aperture aberration for the selected UV-wavelength. The objective is designed so that the mathematical sign is the same for both (i) the corrections required as the illumination moves toward the longer-wave portion of the visible spectrum, and (ii) for the corrections required as the illumination moves toward the shorter-wave portion of the UV-spectrum. The objective has an aperture of at least 0.7 and a magnification of more than 60.times..
    • 对于可见光谱和选定的紫外线波长,同时对孔径像差进行校正的显微镜的紫外线干物镜。 该目的包括由气隙隔开的两个透镜组,其通过两个透镜组之间的相对运动而在尺寸上变化。 调整气隙的尺寸以校正所选择的UV波长的孔径像差。 设计目标是为了(i)照明朝向可见光谱的较长波长部分移动所需的校正,以及(ii)当照明朝向较短的光束移动时所需的校正,数学符号是相同的 波段部分的紫外光谱。 目标具有至少0.7的孔径和大于60倍的放大率。
    • 99. 发明授权
    • Coordinate measuring apparatus having an optical sensing head
    • 具有光学感测头的坐标测量装置
    • US4963728A
    • 1990-10-16
    • US417551
    • 1989-10-05
    • Albrecht HofWilhelm UlrichLothar RublKlaus-Peter Koch
    • Albrecht HofWilhelm UlrichLothar RublKlaus-Peter Koch
    • G01B11/00G01B11/03
    • G01B11/007
    • The invention is directed to a coordinate measuring apparatus having an optical sensing head. The optical sensing head is held on the measuring arm of the coordinate measuring apparatus. The optical sensing head includes a holder and a plurality of detachable front optic units which can be exchanged as required. Each of the front optic units has its own objective and its own illuminating optic arrangement adapted to the objective. The illuminating optic is supplied via light conductors with the light conductors being guided over a change interface where the front optic unit is attached to the holder of the sensing head in a reproducible manner. The light conducting ends for the illumination are coupled in the change interface by means of a coupling device which achieves this coupling with low losses. This device includes, for example, self-centering sleeves which enable flexible supply light conductors to be centrally seated on the end faces of half-rigid plastic light conductors. Interface losses are avoided in this manner.
    • 本发明涉及一种具有光学感测头的坐标测量装置。 光学传感头保持在坐标测量装置的测量臂上。 光学传感头包括一个保持器和多个可拆卸的前光学单元,可根据需要进行更换。 每个前光学单元具有其自己的目标,并且其自身的照明光学装置适合于该目的。 照明光学器件通过光导体提供,其中光导体被导引在改变接口上,其中前光学单元以可再现的方式附接到感测头的保持器。 用于照明的导光端通过耦合装置耦合在改变界面中,该耦合装置以低损耗实现该耦合。 该装置包括例如自对中套筒,其使得柔性供应光导体能够集中位于半刚性塑料光导体的端面上。 以这种方式避免接口损耗。