Systems and methods for modeling asymmetric vias

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United States of America Patent

PATENT NO 9715570
SERIAL NO

14796232

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Abstract

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Systems and methods are provided for analyzing a via. A physical representation of a via intersecting with an upper layer and a lower layer is received, the physical representation comprising: (i) a pair of pad dimensions comprising an upper pad dimension a1 and a lower pad dimension a2, and/or (ii) a pair of anti-pad dimensions comprising an upper anti-pad dimension b1 and a lower anti-pad dimension b2, where at least one of first and second conditions: (A) the first condition being a1 is different than a2, and (B) the second condition being b1 is different than b2, is true. A determination is made as to which, if any, of the conditions are true. At least one model parameter is selected based on the determination. An admittance parameter corresponding to a section of the via located between the upper and lower layers is computed using the selected model parameter.

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Patent Owner(s)

Patent OwnerAddress
ANSYS INC2600 ANSYS DRIVE CANONSBURG PA 15317

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bracken, J E Harrison City, US 2 4
Thiel, Werner Pittsburgh, US 3 4
Zhu, Guangran Oakdale, US 1 2

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