Importance

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Abstract

Multilayer capacitors incorporate both low inductance (ESL) and controlled Equivalent Series Resistance (ESR) features into a cost-effective unitary device. Internal electrode patterns generally include one or more pairs of mother electrodes adapted for external connection (e.g., to a circuit, another electrical component, circuit board, or other mounting environment), and multiple pairs of daughter electrodes adapted only for internal connection to other electrodes (e.g., other daughter electrodes and/or selected mother electrodes) without direct connection to an external circuit. Mother and daughter electrodes are interdigitated with electrode tab features, where daughter electrodes have internal-connection tabs, and mother electrodes have both internal-connection tabs and circuit-connection tabs, all of which are connected to respective internal-connection or circuit-connection terminals. ESR is increased by the parallel connection between mother and daughter electrodes as well as other optional features such as but not limited to resistive terminations, resistive connectors, serpentine terminations and increased current path lengths.

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First Claim