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:
Nov. 01, 2011
Filed:
Nov. 12, 2008
Applicants:
Ming-wei Chuang, Taipei County, TW;
Chuan-wang Chang, Taipei County, TW;
Inventors:
Ming-Wei Chuang, Taipei County, TW;
Chuan-Wang Chang, Taipei County, TW;
Assignee:
Kinpo Electronics, Inc., New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrostatic discharge (ESD) protection structure with a ground ring and a plurality of pads are provided, wherein the ground ring has a ring inner area used for disposing an integrated circuit (IC) and the pads are disposed around the outer periphery of the ground ring. The ground ring has a plurality of sawtooth structures, wherein each of the sawtooth structures has a sharp end which is adjacent to the corresponding pad.