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.

Date of Patent:
Dec. 30, 2014

Filed:

May. 09, 2012
Applicants:

Haolu Xie, Chandler, AZ (US);

Chi-taou Tsai, Chandler, AZ (US);

Patrick L. Rakers, Scottsdale, AZ (US);

Inventors:

Haolu Xie, Chandler, AZ (US);

Chi-Taou Tsai, Chandler, AZ (US);

Patrick L. Rakers, Scottsdale, AZ (US);

Assignee:

Intel IP Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0219 (2013.01); H05K 1/0245 (2013.01);
Abstract

A shield for differential transmission lines formed in a first metal layer may include one or more floating shields, each floating shield comprising an upper-side tile formed in a second metal layer of the integrated circuit adjacent to the first metal layer, a lower-side tile formed in a third metal layer of the integrated circuit adjacent to the first metal layer and non-adjacent to the second metal layer, and at least one via configured to electrically couple the upper-side tile at an end of the length of the upper-side tile to the lower-side tile and at an end of the length of the lower-side tile.


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