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    • 1. 发明授权
    • Nonohmic ZnO ceramics including Bi.sub.2 O.sub.3, CoO, MnO, Sb.sub.2 O.sub.
3
    • 包括Bi(hd 2 {b O {HD 3 {B,CoO,MnO,Sb(hd 2 {b O {HD 3 {B,和硼硅酸盐Pb和/或Zn玻璃组分
    • US4147670A
    • 1979-04-03
    • US746425
    • 1976-12-01
    • Nobuaki ShohataTomeji OhnoShigeru IkedaTakaki FukushimaRyuji IgarashiJyun-Ichiro Yoshida
    • Nobuaki ShohataTomeji OhnoShigeru IkedaTakaki FukushimaRyuji IgarashiJyun-Ichiro Yoshida
    • C04B35/453H01C7/112H01B1/08
    • H01C7/112C04B35/453
    • Nonohmic ZnO ceramics including the following additives have the voltage nonlinear exponent .alpha. of 30 or more, the dielectric constant .epsilon. of about 1000 or less, the loss factor (tan .delta.) of less than 10%, and small variations caused in the breakdown voltage V.sub.i by load and large current pulses. The additives listed by molecular formulae are given in % by mol. The glass components are given for Nos. 1 through 4 in % by weight, symbols of elements being representative of borosilicate lead and/or zinc glass.______________________________________ No. Bi.sub.2 O.sub.3 CoO MnO Sb.sub.2 O.sub.3 Glass Component ______________________________________ 1. 0.1-10 0.05-10 0.25-4 0.05-6 0.1-10 (Pb-Zn) 2. 0.1-6 0.05-10 0.25-10 0.1-10 0.1-10 (Zn) 3. 0.1-6 0.05-10 0.23-4 0.05-6 0.1-3 (Pb) 4. 0.1-6 0.05-10 0.2-10 0.1-6 0.1-10 (Zn and others) ______________________________________ As a fifth embodiment, the oxides corresponding or equivalent to a lead-borosilicate glass (PbO, B.sub.2 O.sub.3 and SiO.sub.2) may be included in certain amounts with varying amounts of zinc oxide as a major component along with Bi.sub.2 O.sub.3, CoO, MnO and Sb.sub.2 O.sub.3.
    • 包括以下添加剂的非欧姆ZnO陶瓷的电压非线性指数α为30以上,介电常数ε为约1000以下,损耗因子(tanδ)小于10%,以及击穿电压Vi 通过负载和大电流脉冲。 分子式列出的添加剂以摩尔%计。 玻璃组分以重量%计为1至4,元素符号代表硼硅酸铅和/或锌玻璃。 }没有。 Bi2O3 CoO MnO Sb2O3玻璃成分} 1。 0.1-10 0.05-10 0.25-4 0.05-6 0.1-10(Pb-Zn)} 2。 0.1-6 0.05-10 0.25-10 0.1-10 0.1-10(Zn)} 3。 0.1-6 0.05-10 0.23-4 0.05-6 0.1-3(Pb)} 4。 0.1-6 0.05-10 0.2-10 0.1-6 0.1-10(Zn等)}作为第五个实施方案,可以以一定量包含与硼硅酸铅玻璃(PbO,B2O3和SiO2)相当或相当的氧化物 随着Bi2O3,CoO,MnO和Sb2O3的含量不同,氧化锌为主要成分。
    • 2. 发明授权
    • Voltage dependent nonlinear resistor
    • 电压相关非线性电阻
    • US4290041A
    • 1981-09-15
    • US9777
    • 1979-02-06
    • Kazuaki UtsumiNobuaki ShohataTomeji Ohno
    • Kazuaki UtsumiNobuaki ShohataTomeji Ohno
    • H01C7/10C04B35/453H01C7/102
    • H01C7/102
    • A "varistor" or voltage-dependent nonlinear resistor employs a ceramic base body having a voltage-dependent nonlinearity. First and second lead-out electrode layers are formed on first and second external surfaces, respectively, of the ceramic base body. Within and enclosed by the ceramic base body, a plurality of internal electrodes extend in parallel with each other and connect to the external lead-out electrodes. Also, the invention provides a method of manufacturing the voltage-dependent nonlinear resistor comprising the steps of forming a plurality of raw sheets of material, each having the desired voltage-dependent nonlinearity characteristics, after sintering. Internal electrodes of conducting material are printed on each of these sheets. The sheets are then laminated, cut and formed with external electrodes connecting the internal electrode to each other.
    • “压敏电阻”或电压依赖型非线性电阻采用具有电压依赖性非线性的陶瓷基体。 第一和第二引出电极层分别形成在陶瓷基体的第一和第二外表面上。 在陶瓷基体内并由陶瓷基体包围的多个内部电极彼此平行地延伸并连接到外部引出电极。 此外,本发明提供一种制造依赖于电压的非线性电阻器的方法,包括以下步骤:在烧结之后形成多个具有期望的电压依赖性非线性特性的材料原料片。 导电材料的内部电极印刷在每个这些片材上。 然后将片材层压,切割并形成有将内部电极彼此连接的外部电极。
    • 9. 发明授权
    • Method of manufacturing a piezoelectric vibrator capable of reliably
preventing dielectric breakdown
    • 制造能够可靠地防止绝缘击穿的压电振动器的制造方法
    • US5400488A
    • 1995-03-28
    • US156280
    • 1993-11-22
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • H01L41/083H01L41/09H01L41/22
    • H01L41/0906H01L41/0471H01L41/083H01L41/0926H01L41/094H01L41/273H03H9/02228H03H9/178Y10T29/42
    • On a first piezoelectric sheet of a piezoelectric vibrator, a second piezoelectric sheet is stacked with interposition, between the sheets, of first-set electrodes, formed on an upper surface of the first piezoelectric sheet. Second-set electrodes are formed on an upper surface of the second piezoelectric sheet with each placed halfway between two adjacent ones of the first-set electrodes. The second piezoelectric sheet is poled in directions from each second-set electrode to the two adjacent ones of the first-set electrodes. Preferably, third-set electrodes are formed on a lower surface of the first piezoelectric sheet with each arranged halfway between two adjacent ones of the first-set electrodes. In this event, the first piezoelectric sheet is poled in directions from each third-set electrode to two adjacent ones of the first-set electrodes. Each first-set electrode has a first end along a side surface of the first piezoelectric sheet with each second-set and each third-set electrode possessed of a second and a third end along opposite side surfaces of the first and the second piezoelectric sheets. First and second common outside electrodes are formed on such side surfaces in contact with the first end of each first-set electrode either directly or through a first common electrode and in contact with the second and the third ends of the second-set and the third-set electrodes either directly or through second and third common electrodes.
    • 在压电振动器的第一压电片上,在第一压电片的上表面上形成第二压电片层叠在片之间的第一组电极之间。 第二组电极形成在第二压电片的上表面上,每个电极位于两个相邻的第一组电极之间的中间。 第二压电片从每个第二组电极到两个相邻的第一组电极的方向极化。 优选地,第三组电极形成在第一压电片的下表面上,每个电极布置在两个相邻的第一组电极之间的中间。 在这种情况下,第一压电片从每个第三组电极到两个相邻的第一组电极的方向极化。 每个第一组电极具有沿着第一压电片的侧表面的第一端,每个第二组电极和每个第三组电极具有沿着第一和第二压电片的相对侧表面的第二和第三端。 第一和第二公共外部电极形成在与第一组电极的第一端直接或通过第一公共电极接触并与第二组和第三组的第二和第三端接触的侧表面上 直接或通过第二和第三公共电极设置电极。
    • 10. 发明授权
    • Piezoelectric vibrator capable of reliably preventing dielectric
breakdown and a method of manufacturing the same
    • 能够可靠地防止绝缘击穿的压电振动器及其制造方法
    • US5315205A
    • 1994-05-24
    • US946946
    • 1992-09-17
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • H01L41/083H01L41/09H01L41/04
    • H01L41/0906H01L41/0471H01L41/083H01L41/0926H01L41/094H01L41/273H03H9/02228H03H9/178Y10T29/42
    • On a first piezoelectric sheet of a piezoelectric vibrator, a second piezoelectric sheet is stacked with interposition, between the sheets, of first-set electrodes (24(1), 24(2)) formed on an upper surface of the first piezoelectric sheet. Second-set electrodes are formed on an upper surface of the second piezoelectric sheet with each placed halfway between two adjacent ones of the first-set electrodes. The second piezoelectric sheet is poled in directions from each second-set electrode to the two adjacent ones of the first-set electrodes. Preferably, third-set electrodes are formed on a lower surface of the first piezoelectric sheet with each arranged halfway between two adjacent ones of the first-set electrodes. In this event, the first piezoelectric sheet is poled in directions from each third-set electrode to two adjacent ones of the first-set electrodes. Each first-set electrode has a first end along a side surface of the first piezoelectric sheet with each second-set and each third-set electrode possessed of a second and a third end along opposite side surfaces of the first and the second piezoelectric sheets. First and second common outside electrodes are formed on such side surfaces in contact with the first end of each first-set electrode either directly or through a first common electrode and in contact with the second and the third ends of the second-set and the third-set electrodes either directly or through second and third common electrodes.
    • 在压电振动器的第一压电片上,在第一压电片的上表面上形成的第一组电极(24(1),24(2))之间,在片之间叠置第二压电片。 第二组电极形成在第二压电片的上表面上,每个电极位于两个相邻的第一组电极之间的中间。 第二压电片从每个第二组电极到两个相邻的第一组电极的方向极化。 优选地,第三组电极形成在第一压电片的下表面上,每个电极布置在两个相邻的第一组电极之间的中间。 在这种情况下,第一压电片从每个第三组电极到两个相邻的第一组电极的方向极化。 每个第一组电极具有沿着第一压电片的侧表面的第一端,每个第二组电极和每个第三组电极具有沿着第一和第二压电片的相对侧表面的第二和第三端。 第一和第二公共外部电极形成在与第一组电极的第一端直接或通过第一公共电极接触并与第二组和第三组的第二和第三端接触的侧表面上 直接或通过第二和第三公共电极设置电极。