Importance

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Abstract

A capacitor containing a solid electrolytic capacitor element and a conductive adhesive disposed between the capacitor element and another optional capacitor element, an electrode termination, or both, is provided. The conductive adhesive contains a plurality of spacer particles that are substantially spherical and have a relatively large diameter. The present inventors have discovered that the use of spacer particles having the desired size and shape can provide multiple benefits to the resulting capacitor. For example, the spacer particles can limit the degree to which the adhesive is compressed during manufacture, thereby ensuring that it will have the minimum thickness needed to achieve a reliable mechanical connection to the desired part. Further, when multiple capacitor elements are employed, the spacer particles can also help ensure that proper spacing is achieved between the different elements upon manufacture of the capacitor.

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First Claim