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    • 42. 发明授权
    • Method for forming polarization reversal
    • 形成极化反转的方法
    • US08524509B2
    • 2013-09-03
    • US13066730
    • 2011-04-22
    • Futoshi YamamotoJunichiro IchikawaSatoshi OikawaSunao KurimuraKenji Kitamura
    • Futoshi YamamotoJunichiro IchikawaSatoshi OikawaSunao KurimuraKenji Kitamura
    • H01L21/00
    • G02F1/3558Y10T29/4902
    • A method for forming a ferroelectric spontaneous polarization reversal, including the steps of forming a concave portion on a top face of a ferroelectric substrate or a bottom face of a ferroelectric substrate, and applying an electric field into the substrate, wherein a ferroelectric spontaneous polarization reversal is formed at least in one portion of a region of the substrate with the concave portion, and wherein the shape of the concave portion is configured such that the width of the concave portion gets narrower gradually toward the inside of the substrate. The method may further include the steps of, after the reversal, making into almost a flat-plane the top or bottom face having the concave portion, and then, forming a new concave portion in another region and applying an electric field to form another reversal in one portion of the region of the substrate having the new concave portion.
    • 一种形成铁电自发极化反转的方法,包括以下步骤:在强电介质基板的顶面或铁电基板的底面上形成凹部,并向基板施加电场,其中,铁电自发极化反转 至少在具有凹部的基板的区域的一部分中形成,并且其中凹部的形状被构造成使得凹部的宽度朝向基板的内部逐渐变窄。 该方法还可以包括以下步骤:在反转之后,使具有凹部的顶面或底面几乎成为平面,然后在另一区域形成新的凹部,并施加电场以形成另一反转 在具有新的凹部的基板的区域的一部分中。
    • 43. 发明授权
    • Knuckle bracket
    • 指关节支架
    • US07628415B2
    • 2009-12-08
    • US11672619
    • 2007-02-08
    • Kenji KitamuraHideki Yamada
    • Kenji KitamuraHideki Yamada
    • B62D7/18
    • B60G3/06B60G2204/4304Y10T403/71
    • A knuckle bracket (1) for a cylinder (20) comprises outer and inner brackets (2, 10). The outer bracket (2) comprises a pair of outer plates (4, 5) projecting in a lateral direction with respect to a cylinder axis. The inner bracket (10) comprises a pair of inner plates (12, 13) overlap the outer plates (4, 5) on the inner side thereof. A guide (17) of having outwardly curved shape is formed on a leading edge (X, Y) of each of the inner plates (12, 13) so as to facilitate introduction of a connecting part (90) of a knuckle bracket (N) into the inner bracket (10). By forming a notch (7) on a leading edge of each of the outer plates (4, 5) to accommodate the guide (17), the size of the knuckle bracket (1) can be suppressed.
    • 用于气缸(20)的转向节支架(1)包括外支架(2,10)。 外托架(2)包括相对于气缸轴线在横向方向上突出的一对外板(4,5)。 内支架(10)包括在其内侧与外板(4,5)重叠的一对内板(12,13)。 在每个内板(12,13)的前缘(X,Y)上形成具有向外弯曲形状的引导件(17),以便于引导转向节托架(N)的连接部分(90) )到内支架(10)中。 通过在每个外板(4,5)的前缘上形成凹口(7)以容纳导向件(17),可以抑制转向节托架(1)的尺寸。
    • 46. 发明申请
    • Process for Producing Flaky Titanium Oxide Capable of Absorbing Visible Light
    • 生产可吸收可见光的片状氧化钛的方法
    • US20080003153A1
    • 2008-01-03
    • US11662504
    • 2005-09-13
    • Taki MatsumotoNobuo IyiYoshiro KanekoKenji Kitamura
    • Taki MatsumotoNobuo IyiYoshiro KanekoKenji Kitamura
    • C01G23/04
    • C09C1/0018B01J21/063B01J27/24B01J35/004B01J37/036C01G23/053C01P2002/72C01P2002/82C01P2002/84C01P2004/03C09C1/3607
    • When titanium oxide is doped with nitrogen, the resulting titanium oxide photocatalyst can be driven with visible light, which is a main component of sunlight. However, in a known process, since a high-temperature heat treatment process necessary for nitrogen doping degrades the photocatalytic activity inherent in titanium oxide, it is difficult to produce a titanium oxide photocatalyst that can be driven with a high efficiency under sunlight. A titania/organic substance composite, which includes an organic ligand coordinated to flaky titania and forms a layered structure, is immersed in aqueous ammonia to substitute the organic ligand between layers with a hydroxyl group by a ligand exchange reaction, and at the same time, to introduce ammonium into between layers of the titania having the layered structure. The resulting composite of titania and ammonium is heated at a temperature of 400° C. or higher and in such a temperature range that does not cause rutile transition, whereby nitrogen is doped into the titania by thermal decomposition of the ammonium and, in addition, titania is crystallized to an anatase form.
    • 当氧化钛掺杂氮时,所得到的氧化钛光催化剂可以作为阳光的主要成分的可见光驱动。 然而,在已知的方法中,由于氮掺杂所需的高温热处理工艺降低了氧化钛中固有的光催化活性,因此难以生产能够在阳光下以高效率驱动的氧化钛光催化剂。 将包含与片状二氧化钛配位并形成层状结构的有机配体的二氧化钛/有机物复合体浸渍在氨水中,通过配体交换反应将羟基的层间的有机配体取代, 以将铵引入具有层状结构的二氧化钛的层之间。 将所得的二氧化钛和铵的复合物在400℃以上的温度下加热,并且在不引起金红石转变的温度范围内,通过铵的热分解将氮掺杂到二氧化钛中,另外, 二氧化钛结晶成锐钛矿形式。
    • 49. 发明申请
    • Optical device
    • 光学装置
    • US20050271313A1
    • 2005-12-08
    • US11089895
    • 2005-03-25
    • Satoshi OikawaMasayuki IchiokaJunichiro IchikawaFutoshi YamamotoSunao KurimuraKenji Kitamura
    • Satoshi OikawaMasayuki IchiokaJunichiro IchikawaFutoshi YamamotoSunao KurimuraKenji Kitamura
    • G02F1/035G02F1/055G02F1/21G02F1/225
    • G02F1/035G02F1/0356G02F1/055G02F1/21G02F1/225G02F2201/34
    • The present invention provides a highly-integrated and compact optical element and further provides an optical element having various functions such as lower driving voltage, chirping suppression and polarization-independency. The optical element comprising a substrate 1 consisting of a material having an electrooptic effect, top optical waveguides 2-1 an 2-2 formed on the top face of said substrate, bottom optical waveguides formed on the bottom face of said substrate, a top modulating electrode for controlling the phase of a light wave being propagated through said top optical waveguide, and a bottom modulating electrode for controlling the phase of a light wave being propagated through said bottom optical waveguide, is characterized in that at least one side edge of said substrate comprises output and input of said optical waveguides formed on said top and bottom faces, and a turnback element is located adjacent to said one side edge to guide the light wave from said output to said input.
    • 本发明提供高度集成且紧凑的光学元件,并且还提供具有各种功能的光学元件,例如较低的驱动电压,啁啾抑制和极化独立性。 该光学元件包括由具有电光效应的材料构成的衬底1,形成在所述衬底的顶面上的顶部光波导2-1和2 - 2,形成在所述衬底的底面上的底部光波导,顶部调制 用于控制通过所述顶部光波导传播的光波的相位的电极和用于控制通过所述底部光波导传播的光波的相位的底部调制电极,其特征在于,所述基板的至少一个侧边缘 包括形成在所述顶面和底面上的所述光波导的输出和输入,并且转向元件位于所述一个侧边缘附近,以将光波从所述输出引导到所述输入。