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:
Aug. 09, 2011

Filed:

Jun. 30, 2008
Applicants:

Peng-chi Chen, Tainan County, TW;

Chih-hsiang Lin, Tainan County, TW;

Inventors:

Peng-Chi Chen, Tainan County, TW;

Chih-Hsiang Lin, Tainan County, TW;

Assignee:

Himax Technologies Limited, Fonghua Village, Xinshi Dist., Tainan, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 3/28 (2006.01); H03H 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A chip on film (COF) trace routing method for EMI reduction includes: providing a flexible circuit board; mounting a chip that has a first signal pad, a second signal pad and a ground pad on the flexible circuit board; and forming a first signal trace, a second signal trace, a first ground trace and a second ground trace on the flexible circuit board. The first signal trace and the second signal trace are electrically connected to the first signal pad and the second signal pad respectively. The first ground trace and the second ground trace are both electrically connected to the ground pad. The first signal trace and the second signal trace are disposed between the first ground trace and the second ground trace. The first ground trace and the second ground trace are immediately adjacent to the first signal trace and the second signal trace respectively.


Find Patent Forward Citations

Loading…