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Multilayer capacitor, wiring board, decoupling circuit, and high frequency circuit incorporating the same

  • US 6,606,237 B1
  • Filed: 06/27/2002
  • Issued: 08/12/2003
  • Est. Priority Date: 06/27/2002
  • Status: Active Grant
First Claim
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1. A multilayer capacitor comprising:

  • a main body including a first main surface and a second main surface opposing each other, at least one side surface disposed between the first and second main surfaces, and a plurality of laminated dielectric layers;

    a first main surface terminal electrode and a second main surface terminal electrode disposed on the first main surface of the main body;

    a first side surface terminal electrode and a second side surface terminal electrode disposed on at least the one side surface of the main body;

    a low ESL section and a high capacitance section provided in the main body, the low ESL section being on the first main-surface side, and the high capacitance section being on the second main-surface side;

    a first low ESL internal electrode and a second low ESL internal electrode opposing each other via a specific one of the plurality of dielectric layers;

    a first conductive via-hole electrically connecting the first low ESL internal electrode to the first main surface terminal electrode and a second conductive via-hole electrically connecting the second low ESL internal electrode to the second main surface terminal electrode, the first and second low ESL internal electrodes and the first and second conductive via-holes being located in the low ESL section;

    a first high capacitance internal electrode and a second high capacitance internal electrode opposing each other via a specific one of the plurality of dielectric layers; and

    a first leading electrode electrically connecting the first high capacitance internal electrode to the first side surface terminal electrode and a second leading electrode electrically connecting the second high capacitance internal electrode to the second side surface terminal electrode, the first and second high capacitance internal electrodes and the first and second leading electrodes being located in the high capacitance section.

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