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:
Jun. 21, 2022
Filed:
Feb. 19, 2020
Applicant:
Shenzhen Torey Microelectronic Technology Co. Ltd., Shenzhen, CN;
Inventors:
Assignee:
SHENZHEN TOREY MICROELECTRONIC TECHNOLOGY CO. LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01); H01L 21/82 (2006.01); H01L 23/522 (2006.01); G01R 31/28 (2006.01); H01L 23/31 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 23/585 (2013.01); G01R 31/2856 (2013.01); G01R 31/2884 (2013.01); H01L 21/82 (2013.01); H01L 23/3171 (2013.01); H01L 23/522 (2013.01); H01L 23/562 (2013.01);
Abstract
A voltage application region and a voltage applying pad form withstand voltage measuring wiring lines insulated from each other and different from each other by connecting a seal ring and a relay region through a via, and the withstand voltage measuring wiring lines different from each other are configured to apply a voltage between insulated seal rings provided on wiring layers adjacent to each other by applying a voltage between the voltage application region and the voltage applying pad.