Selectable capacitance apparatus and methods

Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated... – Passive components in ics

Reexamination Certificate

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C257S535000

Reexamination Certificate

active

07030460

ABSTRACT:
A user-selectable integrated circuit capacitance apparatus may include first and second electrodes defining a first fractal geometry, along with second and third electrodes defining a second fractal geometry. A dielectric may be located adjacent to the first and third electrodes. A method of fabricating the apparatus may include selecting a dielectric layer, forming the first and second electrodes so as to define the first fractal geometry on the dielectric layer, and then forming third and fourth electrodes so as to define a second fractal geometry on the dielectric layer. A circuit package may include external package connections connected to the electrodes of the apparatus. A system may include the apparatus coupled to a wireless transceiver by way of a power supply trace.

REFERENCES:
patent: 6084285 (2000-07-01), Shahani et al.
Samavati et al., Fractal Capacitors, Dec. 1998, IEEE Journal of Solid-state Circuits, V 12, pp 2035-2041.

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