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    • 3. 发明授权
    • Varistor
    • 压敏电阻
    • US4527146A
    • 1985-07-02
    • US564100
    • 1983-12-22
    • Hideyuki KanaiOsamu FurukawaMotomasa ImaiTakashi Takahashi
    • Hideyuki KanaiOsamu FurukawaMotomasa ImaiTakashi Takahashi
    • H01C7/112H01C7/10
    • H01C7/112
    • A varistor comprising a basic component consisting essentially of ZnO as a principal constituent and, as auxiliary components, bismuth (Bi), cobalt (Co), manganese (Mn), antimony (Sb) and nickel (Ni) in an amount, when calculated in terms of Bi.sub.2 O.sub.3, Co.sub.2 O.sub.3, MnO, Sb.sub.2 O.sub.3 and NiO, respectively, of Bi.sub.2 O.sub.3 : 0.1 to 5 mol %, Co.sub.2 O.sub.3 : 0.1 to 5 mol %, MnO: 0.1 to 5 mol %, Sb.sup.2 O.sub.3 : 0.1 to 5 mol % and NiO: 0.1 to 5 mol %; and an additional constituent comprising boron (B) in an amount, when calculated in terms of B.sub.2 O.sub.3, of 0.001 to 1 wt % based on said basic component, the Bi.sub.2 O.sub.3 of the sintered body comprising not less than 30% of .alpha.-phase . In another embodiment, the above basic component may further comprise at least one of Al, In and Ga in a prescribed amount and the above additional component may be (i) B with or without at least one of Ag and Si in a prescribed amount or (ii) a glass containing B in a prescribed amount.
    • 一种变阻器,其包含基本上由ZnO作为主要成分的碱性组分,以及作为辅助成分的铋(Bi),钴(Co),锰(Mn),锑(Sb)和镍(Ni) Bi2O3:0.1〜5mol%,Co2O3:0.1〜5mol%,MnO:0.1〜5mol%,Sb2O3:0.1〜5mol%的Bi2O3,Co2O3,MnO,Sb2O3,NiO,NiO: 0.1〜5摩尔% 和含有硼(B)的另外的组分,当以B 2 O 3计算时,硼(B)的含量相对于所述碱性组分为0.001〜1重量%,所述烧结体的Bi 2 O 3为不小于30%的α相。 在另一个实施方案中,上述碱性组分还可以包含规定量的Al,In和Ga中的至少一种,并且上述附加组分可以是(i)具有或不具有规定量的Ag和Si中的至少一种的B, (ii)含有规定量的B的玻璃。
    • 4. 发明授权
    • Metal oxide varistor with non-diffusable electrodes
    • 具有非扩散电极的金属氧化物变阻器
    • US4516105A
    • 1985-05-07
    • US395278
    • 1982-07-06
    • Motomasa ImaiTakashi TakahashiOsamu FurukawaHideyuki Kanai
    • Motomasa ImaiTakashi TakahashiOsamu FurukawaHideyuki Kanai
    • H01C7/10C04B35/453H01C7/112C04B35/00
    • H01C7/112
    • Disclosed is a metal oxide varistor which comprises; a sintered body containing (a) ZnO as a principal component, and (b), as auxiliary components, Bi, Co and Mn in amounts of 0.05.about.2 mole %, 0.05.about.2 mole % and 0.05.about.2 mole %, when calculated in terms of Bi.sub.2 O.sub.3, Co.sub.2 O.sub.3 and MnO.sub.2, respectively, and at least one selected from Al, In and Ga in amounts of 1.times.10.sup.-4 .about.3.times.10.sup.-2 mole %, when calculated in terms of Al.sub.2 O.sub.3, In.sub.2 O.sub.3 and Ga.sub.2 O.sub.3, respectively; said sintered material having been reheated at a temperature of 650.degree..about.900.degree. C. after sintering; and a non-diffusible electrode provided on said sintered body. The metal oxide varistor has excellent pulse response and volt-ampere non-linearity even with respect to a pulse having a short rise time of less than a microsecond.
    • 公开了一种金属氧化物变阻器,其包括: 含有(a)ZnO作为主要成分的烧结体,和(b)作为辅助成分的Bi,Co和Mn,其量为0.05DIFFERENCE 2摩尔%,0.05差异2摩尔%和0.05差异2摩尔%,当计算 分别以Bi 2 O 3,Co 2 O 3和MnO 2为单位,以Al 2 O 3,In 2 O 3和Ga 2 O 3计算,选自Al,In和Ga中的至少1种为1×10 -4 DIFFERENCE 3×10 -2摩尔% 所述烧结材料在烧结后在650℃的温度下再加热; 以及设置在所述烧结体上的非扩散电极。 金属氧化物变阻器即使对于具有小于一微秒的短上升时间的脉冲也具有优异的脉冲响应和伏安非线性。
    • 7. 发明授权
    • Ceramic capacitor
    • 陶瓷电容器
    • US5164882A
    • 1992-11-17
    • US808674
    • 1991-12-17
    • Hideyuki KanaiYohachi YamashitaOsamu FurukawaKumi Okuwada
    • Hideyuki KanaiYohachi YamashitaOsamu FurukawaKumi Okuwada
    • C04B35/49C04B35/491H01B3/12H01G4/12
    • H01G4/1245C04B35/491
    • A ceramic capacitor includes at least two opposing electrodes, and a dielectric ceramic composition arranged between the electrodes, wherein the ceramic composition is represented by a formula (Pb.sub.1-x Ae.sub.x) (Zr.sub.1-y Ti.sub.y)O.sub.3 (wherein x represents 0.15 to 0.90, y represents 0 to 0.80, and Ae represents at least one type of an element selected from the group consisting of Ca and Sr), and has a composition in which assuming that the total number of moles of elements constituting a site A consisting of Pb and Ae is (A) and that the total number of moles of elements constituting a site B consisting of Zr and Ti is (B), (A)/(B) is 1.00 or less. The site A of the dielectric ceramic composition may be partially substituted with Ba. The dielectric ceramic composition may be obtained by adding Nb, Cu, Bi, Mn, Co, Ag, Si, Ta, Mg, Zn, W and/or Ni to a composition which is represented by a formula (Pb.sub.1-x Ae.sub.x) (Zr.sub.1-y Ti.sub.y)O.sub.3 (wherein x represents 0.15 to 0.90, y represents 0 to 0.80, and Ae represents at least one type of an element selected from the group consisting of Ca, Sr, and Ba), and in which assuming that the total number of moles of elements constituting a site A consisting of Pb and Ae is (A) and that the total number of moles of elements constituting a site B consisting of Zr and Ti is (B), (A)/(B) is 1.00 or less. The dielectric ceramic composition is preferably formed by using a powder synthesized by a hydrothermal synthesis as a material, and its grain size is preferably 3 .mu.m or less.
    • 陶瓷电容器包括至少两个相对的电极和布置在电极之间的介电陶瓷组合物,其中陶瓷组合物由式(Pb1-xAex)(Zr1-yTiO)O3表示(其中x表示0.15至0.90,y表示 0〜0.80,Ae表示选自Ca和Sr中的至少一种元素),并且具有假定构成由Pb和Ae构成的位点A的元素的总摩尔数为 (A),构成由Zr和Ti构成的部位B的元素的总摩尔数为(B),(A)/(B)为1.00以下。 电介质陶瓷组合物的位置A可以部分地被Ba取代。 介电陶瓷组合物可以通过将Nb,Cu,Bi,Mn,Co,Ag,Si,Ta,Mg,Zn,W和/或Ni添加到由式(Pb1-xAex)(Zr1 -yTiy)O 3(其中x表示0.15〜0.90,y表示0〜0.80,Ae表示选自Ca,Sr和Ba中的至少一种元素),其中假设总数 构成由Pb和Ae构成的部位A的元素的摩尔数为(A),构成由Zr和Ti构成的部位B的元素的总摩尔数为(B),(A)/(B)为1.00或 减。 电介质陶瓷组合物优选通过使用通过水热合成合成的粉末作为材料形成,其粒径优选为3μm以下。
    • 9. 发明授权
    • Rechargeable battery with nonaqueous electrolyte
    • 带有非水电解质的充电电池
    • US07153609B2
    • 2006-12-26
    • US10234163
    • 2002-09-05
    • Kohichi KuboHideyuki KanaiShuji Yamada
    • Kohichi KuboHideyuki KanaiShuji Yamada
    • H01M4/64
    • H01M4/70H01M2/34H01M4/40H01M4/505H01M4/525H01M4/581H01M4/587H01M4/661H01M10/0525H01M2010/4292H01M2200/106
    • A rechargeable battery with a nonaqueous electrolyte using a constituent material, which has high energy density and a high level of safety. The constituent material includes a positive electrode having a lithium compound-containing active material and a current collector, and a negative electrode facing the positive electrode. The negative electrode an active material and a current collector. At least one of the current collectors being formed of an assembly of rectangular sheet pieces. The constituent material satisfies formula S/χ≦α×d, where d represents distance between the current collectors which face each other; S represents the largest facing area in one rectangular sheet piece in the positive electrode current collector and the negative electrode current collector; χ represents aspect ratio of one rectangular sheet piece in the positive electrode or negative electrode current collector; and α is a coeffieient which is a number of 900 to 720.
    • 使用具有高能量密度和高安全性的构成材料的具有非水电解质的可再充电电池。 构成材料包括具有含锂化合物的活性物质和集电体的正极和与正极对置的负极。 负极为活性物质和集电体。 集流器中的至少一个由矩形片材的组件形成。 构成材料满足公式S / chi <= alphaxd,其中d表示彼此面对的集电器之间的距离; S表示正极集电体和负极集电体中的一个矩形片材中最大的面积区域; chi表示正极或负极集电体中的一个矩形片材的纵横比; 而阿尔法是一个900到720的系列。