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.:
Date of Patent:
Jun. 19, 2012
Filed:
Aug. 17, 2009
Fei Guo, Richmond Hill, CA;
Xiao Ling Shi, North York, CA;
Mark Frankovitch, Markham, CA;
Wasim Ullah, Thornhill, CA;
Fei Guo, Richmond Hill, CA;
Xiao Ling Shi, North York, CA;
Mark Frankovitch, Markham, CA;
Wasim Ullah, Thornhill, CA;
ATI Technologies ULC, Markham, CA;
Abstract
Various apparatus and methods of addressing crosstalk in a circuit board are disclosed. In one aspect, a method of manufacturing is provided that includes forming a first layer of a circuit board with a first signal trace and forming a second layer of the circuit board with a second signal trace. A first guard trace is formed on the first layer and offset laterally from the first signal trace but at least partially overlapping the second signal trace and a second guard trace is formed on the second layer and offset laterally from the second signal trace but at least partially overlapping the first signal trace.