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    • 3. 发明专利
    • Image pickup device for lens
    • 用于镜头的图像拾取器件
    • JP2009156702A
    • 2009-07-16
    • JP2007334895
    • 2007-12-26
    • Hoya CorpHoya株式会社Jeneshia:Kk株式会社ジェネシア
    • TAKEYAMA NORIHIDETANAKA NORIHISA
    • G01M11/00G01N21/958
    • G01M11/0257G01N21/958G01N2021/9511
    • PROBLEM TO BE SOLVED: To provide an image pickup processing device for a lens having a large brightness difference of light transmitted through a hidden mark and an unmarked portion of a lens, and high reliability, capable of acquiring a clear image. SOLUTION: Light L emitted from a light source 31 is reflected by a half mirror 35, converted into parallel light L 1 by a collimator lens 36, and then irradiated onto a convex surface 1a of a test lens 1 and transmitted therethrough. A corner-cube prism 49 provided on a rotation reflector 43 totally reflects the light L 1 transmitted through the test lens 1 and retroreflecting the light L 1 in the same direction as an incident direction. When transmitted only through the unmarked portion of the test lens 1, the reflected light L 2 becomes retroreflected light having a small light flux diameter because of slight diffusion. Hereby, there is no light loss caused by an aperture stop 37, and when the light is condensed on a CCD 40A of an imaging device 40, a bright image is formed. On the other hand, since light L 3 transmitted through the mark 3C is diffused greatly, it becomes divergent reflected light having a large light flux diameter, and the light loss caused by the aperture stop 37 is large. Hereby, when the light is condensed on the CCD 40A, a dark mark image having low illuminance is formed. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种能够获得清晰图像的透镜具有通过隐藏标记和未标记部分透镜的亮度差大的透镜的图像拾取处理装置,并且具有高可靠性。 解决方案:由光源31发射的光L被半反射镜35反射,被准直透镜36转换成平行光L 1 ,然后照射到 测试透镜1并透射。 设置在旋转反射器43上的角立方棱镜49全反射透过测试透镜1的光L 1 ,并将光L 1 沿与 事件方向。 当仅通过测试透镜1的未标记部分传输时,由于轻微的扩散,反射光L 2变为具有小光通量的回射光。 因此,没有由孔径光阑37引起的光损失,并且当光在成像装置40的CCD 40A上聚光时,形成明亮的图像。 另一方面,由于通过标记3C透射的光L 3 大大地扩散,所以成为具有大的光通量的发散的反射光,并且由孔径光阑37引起的光损耗大。 因此,当光在CCD 40A上聚光时,形成具有低照度的暗标记图像。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Inspection device, inspection method, inspection system, color filter manufacturing method, inspection device control program, computer-readable recording medium with the same program recorded thereon
    • 检查装置,检查方法,检查系统,彩色滤光片制造方法,检查装置控制程序,与其记录的相同程序的计算机可读记录介质
    • JP2009036593A
    • 2009-02-19
    • JP2007199979
    • 2007-07-31
    • Sharp Corpシャープ株式会社
    • IDONO TAMON
    • G01N21/88G01B11/24G01M11/00G02B5/20G02F1/13G02F1/1335G09F9/00
    • G01N21/8851G01B11/245G01N21/95G01N2021/8887G01N2021/9511G01N2021/9513G02B5/223
    • PROBLEM TO BE SOLVED: To detect only streaky irregularities of a specific cycle causing a film thickness difference from a normal film thickness. SOLUTION: The inspection device 4 includes: a streaky irregularity detection part 12 for detecting streaky irregularities in each of an image L obtained by imaging pixels arranged on an inspecting object substrate P with light applied thereto from a first direction and an image R obtained by imaging the pixels with light applied thereto from a second direction different from the first direction; a specific cycle irregularity extraction part 13 for extracting a plurality of streaky irregularities detected at previously determined intervals T in a direction vertical to the streaky irregularities on the object substrate P for each of the images L and R; and a detecting object irregularity extraction part 14 for extracting the streaky irregularities detected in both the images L and R as detecting object streaky irregularities. This makes it possible to detect only streaky irregularities of the specific cycle, which arise owing to the existence of pixels causing the film thickness difference from pixels of the normal film thickness. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:仅检测导致与正常膜厚度的膜厚度差异的特定循环的条纹不规则性。 检查装置4包括:条纹不规则检测部12,用于检测通过对从第一方向施加的检查对象基板P上配置的像素成像得到的图像L中的条纹不规则,以及图像R 通过从与第一方向不同的第二方向施加到其上的光成像像素获得的; 特定的循环不规则提取部13,用于针对每个图像L和R,提取在与对象基板P上的条纹不规则垂直的方向上以先前确定的间隔T检测的多个条纹不规则; 以及检测对象不规则提取部14,用于提取在图像L和R中检测到的条纹不规则性作为检测对象条纹不规则。 这使得可以仅检测由于存在导致与正常膜厚度的像素的膜厚差异的像素而引起的特定循环的条纹不规则。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Measuring method and measuring apparatus of refractive index distribution
    • 折射指数分布的测量方法和测量装置
    • JP2011106975A
    • 2011-06-02
    • JP2009262468
    • 2009-11-18
    • Canon Incキヤノン株式会社
    • SUGIMOTO TOMOHIRO
    • G01M11/02G01M11/00
    • G01M11/0228G01N21/45G01N2021/9511
    • PROBLEM TO BE SOLVED: To highly accurately measure an internal refractive index distribution of an object to be inspected. SOLUTION: A measuring method has first and second measuring steps for placing the object to be inspected in a first medium and a second medium and measuring each transmission wavefront of the object to be inspected by making reference light enter the object to be inspected to compute an internal refractive index distribution of the object to be inspected through the use of measurement results of both measuring steps. Light beams of the reference light entering the peripheral part in the object to be inspected and passing through the same point of the object to be inspected is a first light beam and a second light beam in the first and second measuring steps. The numerical aperture of the reference light is altered in such a way as to be closer to parallel light than the reference light prior to the incidence of the reference light onto the object to be inspected after transmission through the object to be inspected by making the traveling directions of the first and second light beams different from each other. The effective thickness of the object to be inspected is computed through the use of the geometrical thickness of the object to be inspected along the first and second light beams to compute the internal refractive index distribution of the object to be inspected through the use of measurement results of both measuring steps and the effective thickness. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:高精度地测量待检查物体的内部折射率分布。 解决方案:测量方法具有用于将待检查对象放置在第一介质和第二介质中的第一和第二测量步骤,并且通过使参考光进入待检查对象来测量待检查对象的每个透射波阵面 通过使用两个测量步骤的测量结果来计算待检查对象的内部折射率分布。 参考光入射到被检查物体中的周边部分的光束通过被检查物体的相同点是第一和第二测量步骤中的第一光束和第二光束。 参考光的数值孔径以这样的方式被改变,使得在参考光在通过进行检查的物体透射后被检查物体入射之前比参考光更接近平行光 第一和第二光束的方向彼此不同。 通过使用沿着第一和第二光束的被检查物体的几何厚度来计算被检查物体的有效厚度,以通过使用测量结果计算被检查物体的内部折射率分布 两个测量步骤和有效厚度。 版权所有(C)2011,JPO&INPIT