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:
Aug. 25, 2015
Filed:
Jan. 11, 2011
Ching-jung Yang, Pingzhen, TW;
Yu-wen Liu, Taipei, TW;
Michael Shou-ming Tong, San Diego, CA (US);
Hsien-wei Chen, Sinying, TW;
Chung-ying Yang, Taoyuan, TW;
Tsung-yuan Yu, Taipei, TW;
Ching-Jung Yang, Pingzhen, TW;
Yu-Wen Liu, Taipei, TW;
Michael Shou-Ming Tong, San Diego, CA (US);
Hsien-Wei Chen, Sinying, TW;
Chung-Ying Yang, Taoyuan, TW;
Tsung-Yuan Yu, Taipei, TW;
Abstract
A semiconductor device includes a substrate having a circuit region and a seal ring region. The seal ring region surrounds the circuit region. A seal ring structure is disposed over the seal ring region. The seal ring structure has a first portion and a second portion above the first portion. The first portion has a width W, and the second portion has a width W. The width Wis less than the width W