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    • 55. 发明授权
    • Multi-layer ceramic capacitor
    • 多层陶瓷电容
    • US4752858A
    • 1988-06-21
    • US24778
    • 1987-03-11
    • Yoichiro YokotaniJunichi KatoToshihiro Mihara
    • Yoichiro YokotaniJunichi KatoToshihiro Mihara
    • H01G4/30C04B35/499H01G4/12H01B3/12H01G4/10
    • C04B35/499H01G4/1209
    • Material forming dielectric ceramics includes an oxide containing a component A and a component B. The component A is selected from a group I of lead, calcium, strontium, and barium. The component B is selected from a group II of magnesium, nickel, titanium, zinc, niobium, and tungsten. The component A includes lead and at least one of the other substances in the group I. The component B includes at least two of the substances in the group II. A ratio between values a and b is chosen so that a/b>1.00, where the value a denotes a total mol value of the substances in the component A and the value b denotes a total mol value of the substances in the component B. Electrode layers are made of copper or an alloy principally containing copper. Since the firing temperature of the dielectric ceramics is low, excellent characteristics of a capacitor are enabled in spite of the fact that electrodes contain copper.
    • 材料形成介电陶瓷包括含有组分A和组分B的氧化物。组分A选自铅,钙,锶和钡的组I。 组分B选自镁,镍,钛,锌,铌和钨的组II。 组分A包括铅和组I中的至少一种其它物质。组分B包括组II中的至少两种物质。 选择值a和b之间的比率使得a / b> 1.00,其中a表示组分A中物质的总摩尔值,值b表示组分B中物质的总摩尔值。 电极层由铜或主要含有铜的合金制成。 由于电介质陶瓷的烧制温度低,所以尽管电极含有铜,但电容器的特性也是优异的。
    • 58. 发明申请
    • LIGHT-EMITTING DEVICE
    • 发光装置
    • US20090236964A1
    • 2009-09-24
    • US11910622
    • 2006-04-06
    • Iwao UenoJunichi Kato
    • Iwao UenoJunichi Kato
    • H01J1/62
    • H01J11/36H01J11/12
    • A light-emitting device according to the present invention includes: first insulators (4) arranged so as to face each other; an emitter (2) arranged between the first insulators; a second insulator (5) functioning as a base for the first insulators and the emitter; an electrode (6) arranged to face, or contact with, the first insulators partially; another electrode (10) contacting with the second insulator and interposing the second insulator between the electrode and itself; and a light-transmitting substrate (8) that faces the second insulator with the first insulators interposed somewhere and with the emitter interposed elsewhere. If the first insulators are extended to reach the light-transmitting substrate on a cross section including the first and second insulators, the emitter and the light-transmitting substrate, the ratio of the cross-sectional area of the emitter to the combined cross-sectional area of the first and second insulators and the light-transmitting substrate is defined so as to fall within a predetermined range.
    • 根据本发明的发光器件包括:布置成彼此面对的第一绝缘体(4); 布置在所述第一绝缘体之间的发射极(2); 用作第一绝缘体和发射极的基极的第二绝缘体(5); 布置成部分地与第一绝缘体相对或接触的电极(6); 另一个电极(10)与第二绝缘体接触并且将第二绝缘体插入电极和其自身之间; 以及面向所述第二绝缘体的透光性基板(8),所述第一绝缘体位于某处,并且所述发射极插入其他地方。 如果第一绝缘体在包括第一和第二绝缘体,发射极和透光衬底的横截面上延伸到达透光衬底,则发射极的横截面积与组合横截面的比率 第一和第二绝缘体和透光性基板的面积被定义为落在预定范围内。