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    • 3. 发明授权
    • Liquid droplet jet head, liquid droplet discharging apparatus, and image forming apparatus
    • 液滴喷射头,液滴喷射装置和图像形成装置
    • US08123338B2
    • 2012-02-28
    • US12556936
    • 2009-09-10
    • Kenichi Ogata
    • Kenichi Ogata
    • B41J2/045
    • B41J2/14274B41J2202/11
    • A liquid droplet jet head includes a pressure liquid chamber substrate including nozzles discharging liquid droplets and pressure liquid chambers communicated with the nozzles, a vibration board partially forming wall surfaces of the pressure liquid chambers, and a pressure converter vibrating the vibration board to change pressure in the pressure liquid chambers to discharge the liquid droplets from the nozzles, and including a piezoelectric element having an active region and a inactive region and electrodes disposed to apply an electric force to the active region and not to apply an electric force to the inactive region, and a groove separating the active region from the inactive region formed not so deep as to reach one of the electrodes in a portion in the inactive region facing the vibration board. In the liquid droplet jet head, the pressure liquid chamber substrate is supported by the inactive region of the piezoelectric element.
    • 液滴喷射头包括:压力液体室基板,包括喷射液滴的喷嘴和与喷嘴连通的压力液体室;振动板,部分地形成压力液体室的壁面;以及压力转换器,振动振动板以改变压力 所述压力液体室从所述喷嘴排出液滴,并且包括具有有源区域和非活性区域的压电元件和设置成向所述有源区域施加电力而不对所述非活性区域施加电力的电极, 以及将活性区域与不活跃区域分开的凹槽,其形成得不那么深,以至于面向振动板的非活性区域中的一部分中的一个电极。 在液滴喷射头中,压力液体室基板由压电元件的非活性区域支撑。
    • 5. 发明授权
    • Method and apparatus for inspecting photosensitive material for surface defects
    • 用于检查感光材料表面缺陷的方法和装置
    • US06714296B2
    • 2004-03-30
    • US10274044
    • 2002-10-21
    • Kenichi Ogata
    • Kenichi Ogata
    • G01N2100
    • G01N21/8916
    • The surface defect inspection method and apparatus are capable of inspecting a photosensitive material for defective surface portions with efficiency by using a reflex-type optical sensor. The surface defect inspection apparatus has a reflex-type optical sensor. A thermal-developable photosensitive material is irradiated with inspection light from a light source. Reflected light from the photosensitive material is received by a light-receiving portion of the optical sensor and a defective surface portion is detected from the reflected light. A mask is attached to the light-receiving portion to cut out specular reflected light, thereby enabling a change in the quantity of diffuse reflected light to be directly detected. Therefore, even a defective surface portion where only a small diffuse reflectance is recognized can be detected with efficiency.
    • 表面缺陷检查方法和装置能够通过使用反射型光学传感器来有效地检查用于表面缺陷的感光材料。 表面缺陷检查装置具有反射型光学传感器。 用来自光源的检查光照射热显影感光材料。 来自感光材料的反射光被光学传感器的光接收部分接收,并且从反射光检测出缺陷表面部分。 遮光板附接到光接收部分以切除镜面反射光,从而能够直接检测漫射反射光的量的变化。 因此,即使能够有效地检测仅识别出小的漫反射的缺陷表面部分。
    • 8. 发明授权
    • Electronic part mounting apparatus with reflector which optimizes
available light
    • 具有反射器的电子部件安装装置可优化可用光
    • US5999640A
    • 1999-12-07
    • US815124
    • 1997-03-11
    • Takayuki HataseKenichi Ogata
    • Takayuki HataseKenichi Ogata
    • H05K13/04G06K9/00G01B11/14
    • H05K13/0413
    • An apparatus for mounting an electronic part includes a reflector located in the rear of an electronic part held by a nozzle on a transferring head, and an image reading device for observing an electronic part held and moved by the transferring head. The image reading device picks up an image from the electronic part. The picked-up image is recognized so as to detect a position of the electronic part with which the motion of the transferring head is controlled. The image reading device includes a line sensor for observing from below the electronic part held by the nozzle of the transferring head, a transmissive illuminating unit for irradiating light onto the reflector so as to make the background of the electronic part bright; a direct illuminating unit for irradiating from below the lower surface of the electronic part passing above the line sensor. Light obtained by emitting a band-like beam from either the transmissive illuminating unit or the direct illuminating unit and then reflecting the same upon the reflector or upon the lower surface of the electronic part is introduced into the line sensor so as to pick up an image from the electronic part attracted by the nozzle.
    • 用于安装电子部件的装置包括位于由转印头上的喷嘴保持的电子部件的后部的反射器和用于观察由转印头保持和移动的电子部件的图像读取装置。 图像读取装置从电子部件拾取图像。 识别拍摄图像以便检测转印头的运动被控制的电子部件的位置。 图像读取装置包括线传感器,用于从下面观察由转印头的喷嘴保持的电子部件,用于将光照射到反射器上的透射照明单元,以使电子部件的背景变亮; 直接照明单元,用于从通过线传感器上方的电子部件的下表面的下方照射。 通过从透射照明单元或直接照明单元发射带状光,然后将其反射到反射器上或在电子部件的下表面上获得的光被引入到线传感器中,以便拾取图像 从喷嘴吸引的电子部件。
    • 9. 发明授权
    • Liquid ejection head and image forming apparatus
    • 液体喷射头和图像形成装置
    • US08052248B2
    • 2011-11-08
    • US12357755
    • 2009-01-22
    • Kenichi Ogata
    • Kenichi Ogata
    • B41J2/14B41J2/045
    • B41J2/14274B41J2202/11
    • Disclosed is a liquid ejection head that includes a flow path member having provided therein plural liquid chambers respectively in communication with plural nozzles that eject a liquid droplet and are arranged side by side; a vibration plate member that forms at least a part of wall surfaces of the liquid chambers; plural piezoelectric element columns that deform the vibration plate member at positions corresponding to the liquid chambers; a supporting column that corresponds to a partition wall sandwiched between the liquid chambers; and a base member on which the plural piezoelectric element columns and the supporting column are arranged. The supporting column is arranged so as to be sandwiched between a group of two or more of the consecutive piezoelectric element columns in a nozzle arrangement direction.
    • 本发明公开了一种液体喷射头,其包括:流路构件,其设置有分别与喷射液滴并且并排布置的多个喷嘴连通的多个液体室; 振动板构件,其形成所述液体室的壁面的至少一部分; 多个压电元件柱,使振动板构件在与液体室对应的位置变形; 对应于夹在液体室之间的分隔壁的支柱; 以及配置有多个压电元件列和支撑柱的基座部件。 支撑柱被布置成在喷嘴排列方向上被夹在一组两个或更多个连续的压电元件柱之间。