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:
Nov. 13, 2018

Filed:

Aug. 24, 2016
Applicants:

Industrial Technology Research Institute, Hsinchu, TW;

First Hi-tec Enterprise Co., Ltd., Taoyuan, TW;

Nexcom International Co., Ltd., New Taipei, TW;

Inventors:

Chien-Min Hsu, Hsinchu County, TW;

Min-Lin Lee, Hsinchu, TW;

Huey-Ru Chang, Hsinchu County, TW;

Hung-I Liu, New Taipei, TW;

Ching-shan Chang, New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 3/08 (2006.01); H05K 1/02 (2006.01); H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0245 (2013.01); H01P 3/08 (2013.01); H05K 1/0251 (2013.01); H05K 1/111 (2013.01); H05K 1/115 (2013.01); H05K 2201/09509 (2013.01); H05K 2201/09545 (2013.01); H05K 2201/09618 (2013.01); H05K 2201/09627 (2013.01);
Abstract

A multi-layer circuit structure includes a differential transmission line pair and at least one conductive pattern. The differential transmission line pair includes first and second transmission lines disposed side by side. Each of the first and second transmission lines includes first and second segments connected to each other. An spacing between the two first segments is non-fixed, and an spacing between the two second segments is fixed. A first zone is located between the two first segments, a second zone is opposite to the first zone and located outside the first segment of the first transmission line, and a third zone is opposite to the first zone and located outside the first segment of the second transmission line. The conductive pattern is coplanar with the differential transmission line pair and disposed on at least one of the first, second and third zones. The conductive pattern is electrically connected to a reference potential and electrically insulated from the differential transmission line pair.


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