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Multilayer capacitor

  • US 7,428,135 B2
  • Filed: 06/26/2006
  • Issued: 09/23/2008
  • Est. Priority Date: 06/26/2006
  • Status: Active Grant
First Claim
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1. A multilayer capacitor comprising a multilayer body in which a plurality of dielectric layers and a plurality of inner electrodes are alternately laminated, and a plurality of outer conductors formed on side faces of the multilayer body;

  • wherein the plurality of inner electrodes include a plurality of first inner electrodes and a plurality of second inner electrodes alternately arranged;

    wherein the plurality of outer conductors include a plurality of first terminal conductors, a plurality of second terminal conductors, a first outer connecting conductor, and a second outer connecting conductor;

    wherein with respect to two selected first terminal conductors from among the plurality of first terminal conductors, one is formed on a first side face of the multilayer body, whereas the other is formed on a second side face of the multilayer body opposing the first side face;

    wherein with respect to two selected second terminal conductors from among the plurality of second terminal conductors, one is formed on the first side face of the multilayer body, whereas the other is formed on the second side face of the multilayer body;

    wherein the first outer connecting conductor is formed on the first side face of the multilayer body;

    wherein the second outer connecting conductor is formed on the second side face of the multilayer body;

    wherein each of the first inner electrodes is electrically connected to the first outer connecting conductor through a lead conductor;

    wherein each of the second inner electrodes is electrically connected to the second outer connecting conductor through a lead conductor;

    wherein at least one first inner connecting conductor and at least one second inner connecting conductor are laminated in the multilayer body;

    wherein the first inner connecting conductor is electrically connected to the plurality of first terminal conductors and the first outer connecting conductor, whereas the second inner connecting conductor is electrically insulated from the first inner connecting conductor but is electrically connected to the plurality of second terminal conductors and the second outer connecting conductor;

    wherein the first and second inner connecting conductors are laminated in the multilayer body such that the multilayer body includes at least one set of the first and second inner electrodes neighboring each other with the dielectric layer in between in a laminating direction; and

    wherein an equivalent series resistance is set to a desirable value by adjusting the number of first inner connecting conductors and the number of second inner connecting conductors respectively.

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