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    • 31. 发明授权
    • Projection optical system and projection image display apparatus
    • 投影光学系统和投影图像显示装置
    • US08107163B2
    • 2012-01-31
    • US11868783
    • 2007-10-08
    • Jun Nishikawa
    • Jun Nishikawa
    • G02B17/08
    • H04N5/7408G02B17/08G02B17/0852G02B27/0025G03B21/28
    • A projection optical system for magnifying an image on a primary imaging plane onto a secondary imaging plane includes a first optical system for forming an intermediate image and a second optical system including a concave reflecting surface disposed between the intermediate image and the secondary plane. The first optical system includes first and second groups respectively having negative and positive power, an aperture, and a third group having positive power from the intermediate image. The surfaces of the first and second optical systems have rotational symmetry about a light axis. A ray traveling from the center of the primary plane to the center of the secondary plane intersects the light axis, is reflected off the reflecting surface, intersects the light axis again, and reaches the secondary plane. The following conditions are satisfied: 0.5
    • 用于将主成像平面上的图像放大到二次成像平面上的投影光学系统包括用于形成中间图像的第一光学系统和包括设置在中间图像和次要平面之间的凹面反射表面的第二光学系统。 第一光学系统包括分别具有负功率和正功率的第一组和第二组,孔径以及具有来自中间图像的正功率的第三组。 第一和第二光学系统的表面具有围绕光轴的旋转对称性。 从主平面的中心向二次平面的中心行进的光线与光轴相交,从反射面反射,再次与光轴相交,到达二次面。 满足以下条件:0.5 <&phgr; 1 /&phgr; 2 <3,1
    • 33. 发明授权
    • Multilayer ceramic capacitor and method for manufacturing the same
    • 多层陶瓷电容器及其制造方法
    • US07495883B2
    • 2009-02-24
    • US11493101
    • 2006-07-25
    • Jun NishikawaYouichi MizunoHirokazu Orimo
    • Jun NishikawaYouichi MizunoHirokazu Orimo
    • H01G4/008H01G4/06
    • H01G4/30H01G4/0085H01G4/012
    • A multilayer ceramic capacitor and a method of manufacturing the same is provided. The capacitor comprises dielectric layers and internal electrode layers alternately stacked. Two of the internal electrode layers that are located outermost and/or at least one of the internal electrode layers that is located inside each outermost internal electrode layer are substantially oxidized and do not function as electrodes. The capacitance of the multilayer ceramic capacitor depends on the unoxidized internal electrode layers other tan the oxidized ones. The method of manufacturing a multilayer ceramic capacitor comprises forming green dielectric layers, forming green internal electrode layers, preparing a green ceramic chip, forming green external electrodes, and firing the green ceramic chip.
    • 提供了一种多层陶瓷电容器及其制造方法。 电容器包括交替层叠的电介质层和内部电极层。 位于最外侧的内部电极层和/或至少一个位于每个最外部内部电极层内部的内部电极层中的两个内部电极层基本上被氧化并且不起电极的作用。 多层陶瓷电容器的电容取决于未氧化的内部电极层,而其它的氧化层也是如此。 制造多层陶瓷电容器的方法包括形成绿色电介质层,形成绿色内部电极层,制备绿色陶瓷芯片,形成绿色外部电极,以及烧制绿色陶瓷芯片。
    • 34. 发明申请
    • Multilayer ceramic capacitor and method for manufacturing the same
    • 多层陶瓷电容器及其制造方法
    • US20070025056A1
    • 2007-02-01
    • US11493101
    • 2006-07-25
    • Jun NishikawaYouichi MizunoHirokazu Orimo
    • Jun NishikawaYouichi MizunoHirokazu Orimo
    • H01G4/005
    • H01G4/30H01G4/0085H01G4/012
    • In one inventive aspect, a multilayer ceramic capacitor is provided. The capacitor comprises dielectric layers and internal electrode layers alternately stacked. Two of the internal electrode layers that are located outermost and/or at least one of the internal electrode layers that is located inside each outermost internal electrode layer are substantially oxidized and do not function as electrodes. The capacitance of the multilayer ceramic capacitor depends on the unoxidized internal electrode layers other than the oxidized ones. In another inventive aspect, a method for manufacturing a multilayer ceramic capacitor is provided. The method comprises forming green dielectric layers, forming green internal electrode layers, preparing a green ceramic chip, forming green external electrodes, and firing the green ceramic chip.
    • 在一个创造性方面,提供了一种多层陶瓷电容器。 电容器包括交替层叠的电介质层和内部电极层。 位于最外侧的内部电极层和/或至少一个位于每个最外部内部电极层内部的内部电极层中的两个内部电极层基本上被氧化并且不起电极的作用。 多层陶瓷电容器的电容取决于除氧化物之外的未氧化的内部电极层。 在另一个发明方面,提供一种制造多层陶瓷电容器的方法。 该方法包括形成绿色电介质层,形成绿色内部电极层,制备绿色陶瓷芯片,形成绿色外部电极,并烧制绿色陶瓷芯片。
    • 36. 发明授权
    • Projection optical system
    • 投影光学系统
    • US06275343B1
    • 2001-08-14
    • US09550911
    • 2000-04-17
    • Katsuhiro TakamotoJun Nishikawa
    • Katsuhiro TakamotoJun Nishikawa
    • G02B900
    • G02B13/22G02B13/04
    • A projection optical system has, from the enlargement side to the reduction side, a first, a second, and a third lens unit, and an aperture diaphragm. The negatively-powered first lens unit includes only a negative lens element and has at least one aspherical surface. The positively-powered second lens unit includes at least one positive lens element. The positively-powered third lens unit includes a lens element. The aperture diaphragm is disposed at the front focal point of the third lens unit. The lens element of the third lens unit is made of a material of which anomalous partial dispersibility and Abbe number are defined.
    • 投影光学系统从放大侧到还原侧具有第一,第二和第三透镜单元和孔径光阑。 负动力的第一透镜单元仅包括负透镜元件并且具有至少一个非球面。 有动力的第二透镜单元包括至少一个正透镜元件。 有动力的第三透镜单元包括透镜元件。 孔径光阑设置在第三透镜单元的前焦点处。 第三透镜单元的透镜元件由定义异常部分分散性和阿贝数的材料制成。