METAL-INSULATOR-METAL (MIM) CAPACITORS ARRANGED IN A PATTERN TO REDUCE INDUCTANCE, AND RELATED METHODS

摘要

Metal-insulator-metal (MIM) capacitors arranged in a pattern to reduce inductance, and related methods, are disclosed. In one aspect, circuits are provided that employ MIM capacitors coupled in series. The MIM capacitors are arranged in a pattern, wherein a MIM capacitor is placed so as to be electromagnetically adjacent to at least two MIM capacitors, and so that a current of the MIM capacitor flows in a direction opposite or substantially opposite of a direction in which a current of each adjacent MIM capacitor flows. The magnetic field generated at metal connections of each MIM capacitor rotates in an opposite direction of the magnetic field of each electromagnetically adjacent MIM capacitor, and thus a larger proportion of magnetic fields cancel out one another rather than combining, reducing equivalent series inductance (ESL) compared to linear arrangement of MIMs.

主权项

1. A capacitor circuit comprising:
a plurality of metal-insulator-metal (MIM) capacitors coupled in series and arranged in a circuit in a pattern; wherein each MIM capacitor among the plurality of MIM capacitors is configured to direct current flow in a direction on an axis that is opposite or substantially opposite of a direction on the axis in which each electromagnetically adjacent MIM capacitor among the plurality of MIM capacitors is configured to direct current flow; and wherein a MIM capacitor is electromagnetically adjacent to at least two (2) MIM capacitors.