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    • 32. 发明授权
    • Device for detecting positional relationship between two objects
    • 用于检测两个对象之间的位置关系的设备
    • US5148038A
    • 1992-09-15
    • US804514
    • 1991-12-10
    • Noriyuki NoseNaoto Abe
    • Noriyuki NoseNaoto Abe
    • G03F9/00
    • G03F9/7076G03F9/7023
    • A device for detecting a positional relationship between opposed first and second objects. The device includes a light source for projecting light to the first and second objects; a photodetecting system for detecting two lights from one of the first and second objects illuminated by the light from the light source, the photodetecting system detecting those two lights the position of incidence of each of which on a predetermined plane is changeable with the positional relationship between the first and second objects in a direction perpendicular to the direction in which the first and second objects are opposed; a position detecting system for detecting the positional relationship between the first and second objects in a direction perpendicular to the opposing direction of the first and second objects, on the basis of the relationship of the two lights, on the predetermined plane, as detected by the photodetecting system; and an interval detecting system for detecting the positional relationship between the first and second objects in the opposing direction, by using at least one of the two lights detected by the photodetecting system.
    • 33. 发明授权
    • Three-dimensional shape measuring apparatus
    • 三维形状测量仪
    • US5033856A
    • 1991-07-23
    • US517514
    • 1990-04-30
    • Noriyuki NoseYukichi Niwa
    • Noriyuki NoseYukichi Niwa
    • G01B11/24
    • G01B11/24
    • A three-dimensional shape measuring apparatus having a high performance and a reduced drive energy is disclosed. At least a portion of an in-focus state detection optical system having an internal light source is movable while maintaining a light path near an object lens of the optical system. A distance of movement of the movable portion which is moved with auto-focusing operation for an object is measured and the three-dimensional shape is measured precisely with a high stroke. An inclination angle measuring optical system which shares the light path near the object lens with the in-focus state detection optical system and has an internal light source is provided in a common casing. Thus, the distance of movement of the movable part of the in-focus state detection optical system and an inclination angle are simultaneously measured so that the three-dimensional shape can be more precisely measured.
    • 公开了具有高性能和降低的驱动能量的三维形状测量装置。 具有内部光源的聚焦状态检测光学系统的至少一部分可移动,同时保持靠近光学系统的物镜的光路。 测量用于物体的自动聚焦操作移动的可移动部分的移动距离,并且以高冲程精确地测量三维形状。 在共同的壳体内设置倾斜角度测量光学系统,该倾斜角度测量光学系统与聚焦状态检测光学系统共享物镜附近的光路并具有内部光源。 因此,可以同时测量对焦状态检测光学系统的可动部分的移动距离和倾斜角度,从而可以更精确地测量三维形状。
    • 37. 发明授权
    • Position detecting method and apparatus
    • 位置检测方法和装置
    • US5148037A
    • 1992-09-15
    • US675059
    • 1991-03-26
    • Shigeyuki SudaSakae HouryuNoriyuki Nose
    • Shigeyuki SudaSakae HouryuNoriyuki Nose
    • G01B11/00G01B11/14G03F9/00H01L21/027H01L21/30
    • G03F9/7049
    • A method and apparatus for detecting a positional relationship between first and second objects is disclosed, which includes a light source for projecting light to the first and second objects, a photodetecting system for detecting light from one of the first and second objects irradiated with the light from the light source, the detecting system being operable to detect first light whose position of incidence upon a predetermined plane is dependent upon the positional relationship of the first and second objects in a direction along the interval therebetween and in a direction perpendicular to the interval, second light whose position of incidence upon the predetermined plane is dependent upon the positional relationship of the first and second objects in the direction of the interval therebetween, and third light whose position of incidence upon the predetermined plane is independent of the positional relationship of the first and second objects in both the direction of the interval and the direction perpendicular to the interval, and a positional relationship detecting system for detecting the positional relationship of the first and second objects in the direction of the interval and the direction perpendicular to the interval, on the basis of the detection by the photodetecting system.