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    • 11. 发明授权
    • Varistor element
    • 压敏电阻元件
    • US07696856B2
    • 2010-04-13
    • US11709677
    • 2007-02-23
    • Yo SaitoHitoshi TanakaMakoto NumataHiroyuki SatoGoro Takeuchi
    • Yo SaitoHitoshi TanakaMakoto NumataHiroyuki SatoGoro Takeuchi
    • H01C7/10
    • H01C7/102H01C1/084H01C7/12
    • A laminated chip varistor comprises a varistor body, first and second inner electrodes, a heat conductor, and first and second outer electrodes. The varistor body has first and second outer faces. The first and second inner electrodes are disposed in the varistor body so that at least portions thereof are opposing to each other. The first and second outer electrodes are formed on the first outer face, the first outer electrode being connected to the first inner electrode, and the second outer electrode being connected to the second inner electrode. The heat conductor is formed in the varistor body extending in a direction from the first outer face toward the second outer face with one end face thereof exposed on the first outer face and the other end face thereof exposed on the second outer face.
    • 层压芯片变阻器包括变阻器体,第一和第二内部电极,热导体以及第一和第二外部电极。 压敏电阻体具有第一和第二外表面。 第一和第二内部电极设置在可变压敏电阻体中,使得其至少一部分彼此相对。 第一外电极和第二外电极形成在第一外表面上,第一外电极连接到第一内电极,第二外电极连接到第二内电极。 导热体形成在从第一外面朝向第二外面方向延伸的可变电阻体内,其一端面在第一外面露出,另一端面露出在第二外面。
    • 12. 发明授权
    • Varistor and light-emitting apparatus
    • 压敏电阻和发光装置
    • US07688177B2
    • 2010-03-30
    • US11702516
    • 2007-02-06
    • Yo SaitoHiroyuki SatoHitoshi TanakaMakoto Numata
    • Yo SaitoHiroyuki SatoHitoshi TanakaMakoto Numata
    • H01C7/10
    • H01C7/18H01C1/084H01L25/167H01L2924/0002H01L2924/00
    • A varistor comprises a varistor element body, first and second inner electrodes opposing each other, a first outer electrode connected to the first inner electrode physically and electrically, a second outer electrode connected to the second inner electrode physically and electrically, and an electrically insulating layer. The first and second inner electrodes are arranged within the varistor element body so as to have end portions exposed at two outer surfaces of the varistor element body. The first outer electrode is arranged on one of the two outer surfaces so as to cover a portion of the end portion of the first inner electrode exposed at the one outer surface. The second outer electrode is arranged on the one outer surface so as to cover a portion of the end portion of the second inner electrode exposed at the one outer surface. The electrically insulating layer is arranged on the one outer surface so as to cover a portion exposed from the first outer electrode in the end portion of the first inner electrode and a portion exposed from the second outer electrode in the end portion of the second inner electrode.
    • 变阻器包括变阻器元件体,彼此相对的第一和第二内部电极,物理和电连接到第一内部电极的第一外部电极,物理和电连接到第二内部电极的第二外部电极,以及电绝缘层 。 第一和第二内部电极被布置在可变电阻元件主体内,使得端部暴露在可变电阻元件主体的两个外表面处。 第一外部电极布置在两个外表面中的一个上,以覆盖在一个外表面处暴露的第一内部电极的端部的一部分。 第二外部电极布置在一个外表面上,以覆盖在一个外表面处暴露的第二内部电极的端部的一部分。 电绝缘层布置在一个外表面上,以覆盖从第一内电极的端部中的第一外电极暴露的部分和从第二内电极的端部中的第二外电极露出的部分 。
    • 13. 发明申请
    • Varistor and light-emitting apparatus
    • 压敏电阻和发光装置
    • US20070223169A1
    • 2007-09-27
    • US11717041
    • 2007-03-13
    • Yo SaitoHiroyuki SatoHitoshi TanakaMakoto NumataGoro Takeuchi
    • Yo SaitoHiroyuki SatoHitoshi TanakaMakoto NumataGoro Takeuchi
    • H02H9/06
    • H01C7/102H01C1/142H01C7/1006H01L2224/05568H01L2224/05573H01L2224/16225
    • A varistor comprises a varistor portion, a metal portion, and buffer portion. The varistor portion has a varistor element body exhibiting a nonlinear current-voltage characteristic and two electrode portions. The metal portion has a thermal conductivity higher than that of the varistor element body. The buffer portion is disposed between the varistor portion and metal portion so as to be bonded to each of the varistor portion and metal portion and mainly composed of glass. The two electrode portions are arranged in the varistor element body so as to be electrically insulated from each other while exposing at least a portion of each thereof from an outer surface of the varistor element body. The metal portion and varistor portion are joined firmly to each other. The heat transmitted to the varistor can efficiently be diffused from the metal portion.
    • 变阻器包括变阻器部分,金属部分和缓冲部分。 变阻器部分具有非线性电流 - 电压特性的变阻器元件体和两个电极部分。 金属部分的导热系数高于可变电阻元件主体的导热率。 缓冲部分设置在可变压敏电阻部分和金属部分之间,以便结合到每个变阻器部分和金属部分上并且主要由玻璃组成。 两个电极部分布置在可变电阻元件主体中,使得它们彼此电绝缘,同时使其中的至少一部分从可变电阻元件主体的外表面露出。 金属部分和变阻器部分彼此牢固连接。 传递到变阻器的热量可以有效地从金属部分扩散。
    • 18. 发明授权
    • Varistor
    • 压敏电阻
    • US07932807B2
    • 2011-04-26
    • US12396942
    • 2009-03-03
    • Hiroyuki SatoMakoto NumataYo SaitoHitoshi TanakaGoro TakeuchiOsamu TaguchiRyuichi Tanaka
    • Hiroyuki SatoMakoto NumataYo SaitoHitoshi TanakaGoro TakeuchiOsamu TaguchiRyuichi Tanaka
    • H01C7/10
    • H01C7/102
    • A first varistor section includes a first face of an element body, and a third face facing the first face. The first varistor section has a first varistor element body, a first varistor electrode electrically connected to a first external electrode, and a second varistor electrode electrically connected to a second external electrode. A heat radiation section has a first heat radiation portion kept in contact with the third face of the first varistor section and electrically connected to the first and third external electrodes, a second heat radiation portion kept in contact with the third face of the first varistor section and electrically connected to the second and fourth external electrodes, and an insulating layer located between the first heat radiation portion and the second heat radiation portion and electrically insulating the first heat radiation portion and the second heat radiation portion from each other. The first heat radiation portion and the second heat radiation portion contain a metal.
    • 第一变阻器部分包括元件主体的第一面和面向第一面的第三面。 第一变阻器部具有第一变阻器元件本体,与第一外部电极电连接的第一变阻器电极和与第二外部电极电连接的第二变阻器电极。 散热部具有与第一可变电阻部的第三面保持接触并与第一和第三外部电极电连接的第一散热部,与第一可变电阻部的第三面保持接触的第二散热部 并且电连接到第二和第四外部电极,以及位于第一散热部分和第二散热部分之间的绝缘层,并且使第一散热部分和第二散热部分彼此电绝缘。 第一散热部和第二散热部包含金属。