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    • 32. 发明授权
    • Method of manufacturing a ceramic electronic component
    • 制造陶瓷电子部件的方法
    • US5769988A
    • 1998-06-23
    • US752837
    • 1996-11-20
    • Hiroshi KagataIchiro KameyamaTatsuya InoueJunichi Kato
    • Hiroshi KagataIchiro KameyamaTatsuya InoueJunichi Kato
    • C04B35/00C04B35/64C04B41/51C04B41/88H01G4/12H01P7/04H01P11/00C04B37/00B05D5/12
    • C04B41/009C04B41/5116C04B41/88H01P11/008C04B2111/00844
    • A method of manufacturing a ceramic electronic component having a dielectric ceramic and a conductor containing Ag as a main component, wherein a dielectric resonator with a high Q value is produced by heat treating at 400.degree. C. or more in an atmosphere containing 10% or less by volume of oxygen after sintering the dielectric ceramic. Using a BaO--TiO.sub.2 --Nd.sub.2 O.sub.3 --Bi.sub.2 O.sub.3 based composition (.epsilon..sub.r =92, Qf=5000 GHz) as a dielectric, a coaxial type dielectric ceramic is produced by granulating calcined powder of the dielectric and then compacting the powder, followed by sintering. A dielectric resonator of .lambda./4 is produced by coating the dielectric ceramic with Ag paste at a position other than either the upper or lower side and then burning the paste. Thereafter, the electrodes(1,4) are formed by burning the paste at 400.degree. C. or more in an atmosphere containing 10% or less by volume of oxygen. The coaxial type dielectric resonator accepts electromagnetic waves from the open end and obtains output by utilizing TEM mode.
    • 一种制造具有介电陶瓷和含有Ag作为主要成分的导体的陶瓷电子部件的制造方法,其特征在于,在含有10%以上的气氛中,在400℃以上的温度下进行热处理, 烧结介电陶瓷后的氧气体积小。 使用BaO-TiO2-Nd2O3-Bi2O3基组合物(ε= r = 92,Qf = 5000GHz)作为电介质,通过对电介质的煅烧粉末进行造粒,然后压实粉末,随后烧结来制造同轴型电介质陶瓷。 通过在不同于上侧或下侧的位置用Ag浆料涂覆电介质陶瓷,然后燃烧该糊料来制造λ/ 4的介质谐振器。 此后,通过在含有10体积%以下氧气的气氛中,在400℃以上的温度下将糊状物烧成而形成电极(1,4)。 同轴型介质谐振器从开口端接受电磁波,并利用TEM模式获得输出。
    • 38. 发明授权
    • Varistor
    • 压敏电阻
    • US07741949B2
    • 2010-06-22
    • US11387790
    • 2006-03-24
    • Tatsuya InoueHidenori KatsumuraKeiji Kobayashi
    • Tatsuya InoueHidenori KatsumuraKeiji Kobayashi
    • H01C7/10
    • H01C7/102H01C1/148H01C7/12
    • A varistor includes a ceramic insulating substrate, a varistor section having an outer surface, and first and second external electrodes provided on the outer surface of the varistor section. The varistor section includes a varistor layer on the ceramic insulating substrate, first and second internal electrodes, and first and second via-conductors embedded in the varistor layer and exposing from the varistor layer. The second internal electrode has a portion facing the first internal electrode. The first internal electrode and the portion of the second internal electrode sandwiches at least a portion of the varistor layer. The first and second via-conductors are connected to the first and second internal electrodes, respectively. The first and second external electrodes are connected to the first and second via-conductors, respectively. This varistor has a small thickness and a large mechanical strength.
    • 变阻器包括陶瓷绝缘基板,具有外表面的变阻器部分,以及设置在可变电阻部分的外表面上的第一和第二外部电极。 该变阻器部分包括在陶瓷绝缘基片上的可变电阻层,第一和第二内部电极以及埋在可变电阻层中的第一和第二通孔导体,并从可变电阻层露出。 第二内部电极具有面向第一内部电极的部分。 第一内部电极和第二内部电极的部分夹住至少一部分可变阻敏剂层。 第一和第二通孔导体分别连接到第一和第二内部电极。 第一和第二外部电极分别连接到第一和第二通孔导体。 该压敏电阻具有小的厚度和较大的机械强度。