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    • 8. 发明专利
    • OPTICAL COMPENSATION SYSTEM FOR LENGTH OF OPTICAL PATH
    • JPS6242112A
    • 1987-02-24
    • JP18243685
    • 1985-08-20
    • NIPPON KOGAKU KK
    • UEHARA MAKOTOENDO KAZUMASAMORI SUSUMUTAKAGI SHUHEIKAKIZAKI YUKIO
    • G02B27/00G02B26/10G03F7/20G03F9/00
    • PURPOSE:To maintain the conjugate relation between an image and a pupil even when an objective is moved freely in a two-dimensional plane by moving the 2nd reflecting member so that the rear focus position of the 1st objective coincides with the front focus position of the 2nd objective at any time. CONSTITUTION:The quantity OP of movement of a vertical mirror M11 is decomposed into an (x)-directional and a (y)-directional component, the optical path length between a moving mirror M12 and the 1st objective L11 varies by the quantity DELTAx of (x) directional movement, and the optical path length between the moving mirror M12 and the 3rd mirror M13 varies by the quantity of DELTAy of (y)-directional movement, so that the quantity of variation in optical path length between the 1st objective L11 and the 2nd objection L12 is DELTAx+DELTAy. Further, a correction moving device Mv3 moves a couple of mirrors M13 and M14 by delta along the optical axis of the 2nd objective L12, and then the optical path length between the 1st objective L11 and the 2nd objective L12 varies by 2delta. For the purpose, the couple of mirrors M13 and M14 are only moved satisfying and equation so as to hold the optical path length between the 1st objective L11 and the 2nd objective L12 constant.
    • 10. 发明专利
    • Large aperture diameter single lens
    • 大孔径直径单镜头
    • JPS6111715A
    • 1986-01-20
    • JP13150084
    • 1984-06-26
    • Nippon Kogaku Kk
    • MATSUMOTO KOUICHIMORI SUSUMU
    • G02B9/02G02B13/00G02B13/18
    • PURPOSE: To provide the sensitivity with parallel eccentricity which is not excessively large and to correct satisfactorily sine conditions as well by forming a titled lens in such a way that the aspherical shape of the lens face on the further conjugation point side out of both aspherical faces satisfies the specific conditions and that the central thickness of the single lens satisfies the specific conditions.
      CONSTITUTION: The two lens faces of the single lens having a biconvex shape are formed of the aspherical faces and the shape of the aspherical face of the lens face on the further conjugation point side of the two aspherical faces is formed to satisfy the conditions 0 2 zi . The conditions 0.3
    • 目的:为了提供不过大的平行偏心的灵敏度,并且通过形成标题透镜,使得透镜的非球面形状在另外的共轭点侧面处于两个非球面的两面以外,正确地满足正弦条件 满足具体条件,单透镜的中心厚度满足特定条件。 构成:具有双凸形状的单透镜的两个透镜面由非球面形成,并且在两个非球面的另一共轭点侧的透镜面的非球面形状形成为满足条件0 < 当所述形状由所述非球面上的点与透镜面的顶点处的切线平面的距离指定为(x)时,所述形状由下式表示:K <5,0