Multilayer capacitor

  • US 6,266,229 B1
  • Filed: 02/09/2000
  • Issued: 07/24/2001
  • Est. Priority Date: 11/10/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A multi-layer capacitor device comprising:

  • a capacitor body including top and bottom surfaces and opposed side surfaces which have continuously flat surfaces and are disposed between the top and bottom surfaces and opposed end surfaces disposed between the top and bottom surfaces and the opposed side surfaces, the capacitor body including a plurality of first electrode plates and a plurality of second electrode plates, the first and second electrode plates being interleaved with each other in opposed and spaced apart relation;

    a dielectric material located between each opposed set of the first and second electrode plates;

    the first and second electrode plates each including a main electrode portion and a plurality of spaced apart lead structures extending therefrom, respective lead structures of the first electrodes plates being located adjacent respective lead structures of the second electrode plates in an interdigitated arrangement; and

    a plurality of electrical terminals located on each of the opposed side surfaces of the capacitor body, corresponding lead structures of the first electrode plates and corresponding lead structures of the second electrode plates being electrically connected together by respective ones of the electrical terminals to define a plurality of first polarity electrical terminals and a plurality of second polarity electrical terminals, respectively, located on the capacitor body;

    wherein each of the first polarity terminals is disposed opposite to another of the first polarity terminals across the capacitor body and each of the second polarity terminals is disposed opposite to another of the second polarity terminals across the capacitor body; and

    at least one of the lead structures of the first and second electrode plates have a length L and a width W and a ratio L/W is equal to about 3 or less.

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