The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8751987 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 10, 2014

Filed:

Jul. 12, 2012
Applicants:

Tsung-yi Ho, Tainan, TW;

Sheng-jhih Jiang, Tainan, TW;

Chan-liang Wu, Tainan, TW;

Inventors:

Tsung-Yi Ho, Tainan, TW;

Sheng-Jhih Jiang, Tainan, TW;

Chan-Liang Wu, Tainan, TW;

Assignee:

Oryx Holdings Pty Ltd., Queensland, AU;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of resistor matching in analog integrated circuit layout is disclosed. Shapes of mismatching resistor blocks are analyzed to obtain geometrical information for deforming the mismatching resistor blocks. The mismatching resistor blocks are deformed into centrosymmetrical blocks according to the obtained geometrical information, each mismatching resistor block being decomposed to a plurality of unit-resistors. The unit-resistors are placed into matching resistor blocks to return a resulting layout with improved matching quality by reducing centroid offset between a centroid of the unit-resistors and a centroid of the matching resistor block.


Find Patent Forward Citations

Ho, Tsung-Yi. (2014). Method of resistor matching in analog integrated circuit layout (U.S. Patent No. 8751987). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8751987

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