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    • 5. 发明授权
    • Substrate surface deflecting device
    • 基板表面偏转装置
    • US4788577A
    • 1988-11-29
    • US142698
    • 1988-01-11
    • Nobuyuki AkiyamaAsahiro KuniYukio KemboToshihiko Nakata
    • Nobuyuki AkiyamaAsahiro KuniYukio KemboToshihiko Nakata
    • G02F1/13G03B27/32G03F7/20H01L21/027H01L21/68H05K3/00G03B27/42
    • G03F7/70691
    • An exposure apparatus comprises a stage; a base plate provided on the stage; a flexible chuck plate which is capable of sucking under vacuum a substantially entire surface of a substrate to a surface thereof; a plurality of vertical displacement generating mechanism including a plurality of feedscrews provided at the base plate with predetermined intervals therebetween, a plurality of rotational actuators for rotatively driving each of the feedscrews, and a plurality of spring members interposed between the chuck plate and the base plate so as to allow a tip of each of the feedscrews to be engaged with a rear surface of the chuck plate; restricting mechanism for restricting the chuck plate in such a manner as not to be displaced horizontally relative to the base plate; a mask holder for holding a mask; a mechanism for measuring a level of the mask held by the mask holder; and a mechanism for measuring a level of the substrate sucked onto the chuck plate, whereby each of the rotational actuators of the vertical displacement generating mechanism is driven on the basis of gaps between the mask and the substrated measured by the mechanism for measuring the level of the mask and the mechanism for measuring the level of the substrate so as to subject the substrate to deflection via the flexible chuck plate, thereby producing a uniform gap between the mask and the substrate.
    • 曝光装置包括: 设置在舞台上的底板; 柔性卡盘板,其能够在真空下将基板的大致整个表面吸附到其表面; 多个垂直位移产生机构,包括设置在基板处的预定间隔的多个进给螺杆,用于旋转地驱动每个进给螺杆的多个旋转致动器,以及插入在卡盘板和基板之间的多个弹簧构件 以允许每个所述进给螺杆的末端与所述卡盘板的后表面接合; 限制机构,用于以不相对于基板水平位移的方式限制卡盘板; 用于保持面罩的面罩座; 用于测量由所述面罩支架保持的面罩的高度的机构; 以及用于测量吸附到卡盘板上的基板的高度的机构,由此垂直位移产生机构的旋转致动器中的每个旋转致动器基于掩模和由用于测量液面的机构测量的底板之间的间隙而被驱动 掩模和用于测量基板的水平的机构,以便使基板经由柔性卡盘板偏转,从而在掩模和基板之间产生均匀的间隙。
    • 8. 发明授权
    • Shape testing apparatus
    • 形状检测仪
    • US4343553A
    • 1982-08-10
    • US181768
    • 1980-08-27
    • Yasuo NakagawaHiroshi MakihiraYoshitada OshidaNobuyuki Akiyama
    • Yasuo NakagawaHiroshi MakihiraYoshitada OshidaNobuyuki Akiyama
    • G01B11/25G01B11/00
    • G01B11/2545
    • A shape detecting apparatus comprises a slit projecting means for projecting a slit image on a three-dimensional object such as a soldered area, a positioning means for positioning the three-dimensional object relative to the slit projecting means, an image pickup means for two-dimensionally scanning the slit image projected by the slit projecting means to pickup the image, a light segment extracting circuit including a center position extracting means for extracting a mean position (Z.sub.1 +Z.sub.2)/2 of two position signals Z.sub.1 and Z.sub.2 at which a video signal derived by transversely scanning the slit image by the image pickup means corresponds, to a first higher reference V.sub.1 when the video signal exceeds the first higher reference V.sub.1, a maximum value position extracting circuit for extracting a position Z corresponding to a maximum value of the video signal when the maximum value of the video signal is no higher than the first higher reference V.sub.1 and exceeds a second lower reference V.sub.2 and an erasing means for erasing the position signal when the maximum value of the video signal is no higher than the second lower reference V.sub.2, and a detecting means for detecting undersoldered condition and oversoldered condition by analyzing and evaluating the three-dimensional object based on the light segment position information derived from the light segment extracting circuit.
    • 一种形状检测装置,包括:狭缝突出装置,用于将缝合图像投射在诸如焊接区域的三维物体上;定位装置,用于相对于狭缝突出装置定位三维物体;图像拾取装置, 对由狭缝投影装置投影的狭缝图像进行二维扫描以拾取图像;光段提取电路,包括中心位置提取装置,用于提取两个位置信号Z1和Z2的平均位置(Z1 + Z2)/ 2, 通过图像拾取装置横向扫描狭缝图像导出的信号对应于当视频信号超过第一较高参考值V1时的第一较高参考V1,最大值位置提取电路,用于提取对应于最大值的位置Z 当视频信号的最大值不高于第一较高参考V1并且超过第二较低参考值V2和呃时,视频信号 当视频信号的最大值不高于第二较低参考值V2时,用于擦除位置信号的灰度装置;以及检测装置,用于通过基于光段对三维物体进行分析和评估来检测底部状态和过弯状态 从光段提取电路得到的位置信息。
    • 10. 发明申请
    • Flame Detector
    • 火焰探测器
    • US20100073926A1
    • 2010-03-25
    • US12561185
    • 2009-09-16
    • Akihisa KudohKazuyoshi SakuraiHiroshi KanekoNobuyuki AkiyamaMasahiro Katagiri
    • Akihisa KudohKazuyoshi SakuraiHiroshi KanekoNobuyuki AkiyamaMasahiro Katagiri
    • F21V1/00G01J5/02
    • G08B17/12G08B29/08
    • A flame detector is provided. A circuit board is disposed in a housing. A first light source emits first light. A light guide member comprised of translucent material guides the first light from the first light source to a light emission portion of the light guide member. A first light receiving element detects second light having a predetermined wavelength unique to the flames. A second light source emits third light to a translucent cover which is disposed between an opening of the housing and the first light receiving element. A second light receiving element detects the third light passed through the translucent cover to test the translucency. The first light source, the second light source and the second light receiving element are mounted on the circuit board. The light emission portion is formed into a substantially annular shape which encloses the first light receiving element at a front side of the housing to limit a field of view of the first light receiving element to a predetermined range. And the light guide member has a light entrance portion and a light exit portion for the third light to form a light path from the second light source to the second light receiving element through the translucent cover and the light guide member.
    • 提供火焰探测器。 电路板设置在壳体中。 第一光源发射第一光。 由半透明材料构成的导光构件将来自第一光源的第一光引导到导光构件的发光部分。 第一光接收元件检测具有特定于火焰的预定波长的第二光。 第二光源将第三光发射到设置在壳体的开口和第一光接收元件之间的半透明盖。 第二光接收元件检测通过半透明盖的第三光以测试半透明度。 第一光源,第二光源和第二光接收元件安装在电路板上。 光发射部分形成为大致环形的形状,其将第一光接收元件封装在壳体的前侧,以将第一光接收元件的视野限制在预定范围内。 并且导光部件具有用于第三光的光入射部分和光出射部分,以通过半透明盖和导光部件形成从第二光源到第二光接收元件的光路。