SUPERCONDUCTING SINGLE FLUX QUANTUM INTEGRATED CIRCUIT DEVICE
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United States of America Patent
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app pub date -
Feb 27, 2014
filing date -
Sep 9, 2011
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Abandoned
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Abstract
The present invention relates to a superconducting single flux quantum integrated circuit device, and eliminates the return current from a bias current and the effect the bias current itself has on SFQ logic circuits in a chip. A bias power source line for supplying a DC bias current for the superconducting single flux quantum integrated circuit in a chip and a bias drawing power source line for drawing said DC bias current to the outside of the chip are provided, the end of the bias drawing power source line is connected to the ground plane of the chip via a thin-film resistor having a plurality of resistance values of 0.1 milliohm to I milliohm near the superconducting single flux quantum integrated circuit laid out in the chip, and the DC bias current is drawn from a connection point with the ground plane.
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