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    • 2. 发明授权
    • Drawing apparatus and method of attaching balance weights
    • 附着平衡重的牵引装置和方法
    • US06662139B2
    • 2003-12-09
    • US10201700
    • 2002-07-24
    • Masao InoueYasuyuki KoyagiToru KawadaToshio TamuraJunichi Nagamine
    • Masao InoueYasuyuki KoyagiToru KawadaToshio TamuraJunichi Nagamine
    • G06C2300
    • B41J29/38B41J29/08
    • Front end clamps are disposed on the cylindrical surface of a recording drum, and rear end clamps are attached in any of a plurality of positions at the cylindrical surface of the recording drum. A controller controls a front end clamp opening/closing device to open the front end clamps and controls a pair of rollers to feed a plate held on a plate carry-in path. The controller also controls the front end clamp opening/closing device to close the plate fixing portion of the front end clamps to fix the front end of the plate on the cylindrical surface, controls a driving device to rotate the recording drum for a predetermined amount, and controls a rear end clamp attaching/detaching device to attach the rear end clamps to the cylindrical surface to fix the rear end of the plate on the recording drum cylindrical surface.
    • 前端夹具设置在记录鼓的圆柱形表面上,并且后端夹具附着在记录鼓的圆柱形表面上的多个位置中的任一位置。 控制器控制前端夹具打开/关闭装置以打开前端夹具并且控制一对辊以进给固定在板载入路径上的板。 控制器还控制前端夹具打开/关闭装置以封闭前端夹具的板固定部分,以将板的前端固定在圆柱形表面上,控制驱动装置使记录鼓旋转预定量, 并且控制后端夹具安装/拆卸装置以将后端夹具附接到圆柱形表面,以将板的后端固定在记录鼓圆柱形表面上。
    • 3. 发明授权
    • Photo-fabrication apparatus
    • 照相制作装置
    • US07083405B2
    • 2006-08-01
    • US10759134
    • 2004-01-20
    • Yasuyuki KoyagiHiroko Shimozuma
    • Yasuyuki KoyagiHiroko Shimozuma
    • B28B17/00
    • B29C64/135
    • A photo-fabrication apparatus comprises a stage for holding a photosensitive member which is a substrate coated with a photosensitive material, a head part for emitting a spatially-modulated light beam to said photosensitive member and a computer. The head part has a DMD having a plurality of micromirrors arranged in a two-dimensional array, and a light beam from a light source is reflected on only some of the group of micromirrors in the DMD which have a predetermined tilt angle and led onto the photosensitive member. In the photo-fabrication apparatus, the tilt angle of each micromirror in the DMD is controlled by the computer. This can control the quantity of irradiation light for an irradiation region on the photosensitive member corresponding to each micromirror, to perform an exposure in accordance with a three-dimensional shape of a desired object for a short time. The exposed photosensitive member is developed by another apparatus.
    • 光致制造装置包括用于保持作为被感光材料涂覆的基材的感光构件的台,用于向所述感光构件发射空间调制光束的头部和计算机。 头部具有具有以二维阵列布置的多个微镜的DMD,并且来自光源的光束仅在具有预定倾斜角的DMD中的一组微镜上反射并被引导到 感光部件。 在照相制造装置中,DMD中的每个微反射镜的倾斜角度由计算机控制。 这可以控制对应于每个微反射镜的感光构件上的照射区域的照射光量,以根据期望物体的三维形状短时间进行曝光。 曝光的感光构件由另一装置显影。
    • 4. 发明授权
    • Stereolithography apparatus
    • 立体光刻仪
    • US07568904B2
    • 2009-08-04
    • US11358099
    • 2006-02-22
    • Yasuyuki KoyagiHiroko ShimozumaHiroshi YazeIchiro Miyaki
    • Yasuyuki KoyagiHiroko ShimozumaHiroshi YazeIchiro Miyaki
    • B28B1/16B29C35/00
    • B29C64/135B33Y10/00B33Y30/00B33Y40/00B33Y50/02
    • A supply part for supplying resin, a smoothing part for smoothing the resin, and an objective lens for exposing the smoothed resin to light are provided in separate positions within substantially the same horizontal plane, and a modeling part is movable by a horizontal drive mechanism under the three above-mentioned components. For processing in the three above-mentioned components, the modeling part is moved to positions immediately under the three above-mentioned components in order by the horizontal drive mechanism. Thus, the modeling part is brought as close to the three above-mentioned components as possible for processing. The exposure is performed, with the objective lens fixed to a base body. Exposure light is focused onto a resin layer on a modeling base, and the light reflected from the resin layer is received by the objective lens, directed by a beam splitter toward an image surface optical system and received as an image by a CCD camera. During the exposure, the directed exposure light serves as illumination light which enables an operator to check whether current focus is achieved on the surface of the resin layer. During a time interval between the completion of the exposure of the resin layer to light and the execution of the exposure of the next resin layer to light, the fine adjustment of the vertical position of a stage is made, whereby the fine adjustment of the focus position is made in accordance with the result of observation using a monitor. This prevents the decrease in modeling accuracy for the subsequent resin layers, thereby to hold the modeling accuracy for the entire model higher, thereby improving the yield and productivity of models. These provide a stereolithography apparatus which attains a resin layer thickness of 10 μm and an exposure resolution of 2 μm and is preferred for micromachining.
    • 用于供应树脂的供应部分,用于使树脂平滑的平滑部分和用于将平滑的树脂暴露于光的物镜设置在基本上相同的水平面内的分离位置,并且建模部分可通过水平驱动机构 上述三个组件。 为了在上述三个部件中进行处理,建模部件通过水平驱动机构依次移动到三个上述部件的正下方的位置。 因此,建模部分尽可能靠近上述三个部件进行处理。 进行曝光,物镜固定在基体上。 曝光光被聚焦在建模基底上的树脂层上,并且由树脂层反射的光被物镜接收,由分束器指向图像表面光学系统,并通过CCD照相机作为图像接收。 在曝光期间,定向曝光光用作照明光,使得操作者能够检查在树脂层的表面上是否实现了当前的聚焦。 在树脂层与光的曝光完成与下一个树脂层的曝光的执行之间的时间间隔期间,进行阶段的垂直位置的微调,由此精细调整焦点 根据观察结果使用监视器进行位置。 这样可以防止后续树脂层的建模精度降低,从而保持整个模型的建模精度更高,从而提高模型的产量和生产率。 这些提供了一种立体光刻设备,其获得10μm的树脂层厚度和2μm的曝光分辨率,并且对于微加工优选。
    • 6. 发明申请
    • Stereolithography apparatus
    • US20060198918A1
    • 2006-09-07
    • US11358099
    • 2006-02-22
    • Yasuyuki KoyagiHiroko ShimozumaHiroshi YazeIchiro Miyaki
    • Yasuyuki KoyagiHiroko ShimozumaHiroshi YazeIchiro Miyaki
    • B29C35/08
    • B29C64/135B33Y10/00B33Y30/00B33Y40/00B33Y50/02
    • A supply part for supplying resin, a smoothing part for smoothing the resin, and an objective lens for exposing the smoothed resin to light are provided in separate positions within substantially the same horizontal plane, and a modeling part is movable by a horizontal drive mechanism under the three above-mentioned components. For processing in the three above-mentioned components, the modeling part is moved to positions immediately under the three above-mentioned components in order by the horizontal drive mechanism. Thus, the modeling part is brought as close to the three above-mentioned components as possible for processing. The exposure is performed, with the objective lens fixed to a base body. Exposure light is focused onto a resin layer on a modeling base, and the light reflected from the resin layer is received by the objective lens, directed by a beam splitter toward an image surface optical system and received as an image by a CCD camera. During the exposure, the directed exposure light serves as illumination light which enables an operator to check whether current focus is achieved on the surface of the resin layer. During a time interval between the completion of the exposure of the resin layer to light and the execution of the exposure of the next resin layer to light, the fine adjustment of the vertical position of a stage is made, whereby the fine adjustment of the focus position is made in accordance with the result of observation using a monitor. This prevents the decrease in modeling accuracy for the subsequent resin layers, thereby to hold the modeling accuracy for the entire model higher, thereby improving the yield and productivity of models. These provide a stereolithography apparatus which attains a resin layer thickness of 10 μm and an exposure resolution of 2 μm and is preferred for micromachining.
    • 8. 发明授权
    • Optical position detecting method and apparatus therefor
    • 光学位置检测方法及其装置
    • US4971443A
    • 1990-11-20
    • US289542
    • 1988-12-23
    • Yasuyuki Koyagi
    • Yasuyuki Koyagi
    • G03F9/00
    • G03F9/7023
    • A method of and an apparatus for optically detecting the position of an object having a surface including first and second reflecting regions each having a different reflectance coefficient. First a ratio of reflectance of the first reflecting region to that of the second reflecting region is obtained. Incident optical beams are projected onto the measured surface of the object, and first and second reflected optical beams reflected by the first and second reflecting regions of the measured surface are received at a photoelectric conversion element to obtain first and second light receiving signals, respectively. Thereafter, the second light receiving signal is multiplied by the reflectance ratio to produce a correction light receiving signal. Further, the central position of the reflected optical beams is obtained on the basis of the first light receiving signal and the correction light receiving signal. Thus, the central position of the reflected optical beams can be obtained with very high accuracy.
    • 一种用于光学检测具有包括具有不同反射系数的第一和第二反射区域的表面的物体的位置的方法和装置。 首先获得第一反射区域与第二反射区域的反射率的比率。 入射光束被投影到物体的测量表面上,并且被测量表面的第一和第二反射区域反射的第一和第二反射光束在光电转换元件处被接收以分别获得第一和第二光接收信号。 此后,将第二光接收信号乘以反射率,以产生校正光接收信号。 此外,基于第一光接收信号和校正光接收信号获得反射光束的中心位置。 因此,可以以非常高的精度获得反射光束的中心位置。