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    • 10. 发明授权
    • Capacitor and method for manufacturing the same
    • 电容器及其制造方法
    • US07072169B2
    • 2006-07-04
    • US11003767
    • 2004-12-06
    • Kazuhiro HayashiAkifumi TosaMotohiko SatoJun OtsukaManabu Sato
    • Kazuhiro HayashiAkifumi TosaMotohiko SatoJun OtsukaManabu Sato
    • H01G4/228
    • H01G4/30H01G4/12
    • A laminated ceramic capacitor 10 divided into a first laminate 11, a second laminate 12, a third laminate 13, and a fourth laminate 14. The first laminate 11 includes a ceramic layer 15 serving as a dielectric layer. The ceramic layer 15 is thicker than a ceramic layer 17 sandwiched between internal electrodes 16a in the second laminate 12 or the fourth laminate 14, and thinner than 20 times the thickness of the ceramic layer 17. The third laminate 13 includes dielectric layers, which serve as the ceramic layers 17, and has a thickness of 5% of the total thickness of the second laminate 12 and the fourth laminate 14. Accordingly, the third laminate 13 achieves the function of absorbing an electrode-induced thickness differential. Also, by means of regulating the thickness of the first laminate 11, portions of via electrodes 18 that extend without being electrically connected to the internal electrodes 16b can be shortened.
    • 层叠陶瓷电容器10分为第一层压体11,第二层压体12,第三层压体13和第四层压体14.第一层压体11包括用作​​电介质层的陶瓷层15。 陶瓷层15比夹在第二层叠体12或第四层叠体14的内部电极16a之间的陶瓷层17厚,比陶瓷层17的厚度薄20倍以上。第三层叠体13包括电介质层, 用作陶瓷层17,并且具有第二层压体12和第四层压体14的总厚度的5%的厚度。因此,第三层压体13具有吸收电极引起的厚度差的功能。 此外,通过调节第一层压体11的厚度,可以缩短延伸而不与内部电极16b电连接的通孔电极18的部分。