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:
Oct. 04, 2016
Filed:
Jul. 18, 2013
Applicants:
SK Hynix Inc., Icheon-si, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Inventors:
Assignees:
SK HYNIX INC., Icheon, KR;
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2014.01); G01R 31/319 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2601 (2013.01); G01R 31/2853 (2013.01); G01R 31/31926 (2013.01);
Abstract
A test device for testing a semiconductor device including a TSV may comprise a ring oscillator including a plurality of inverters, a switch selectively connecting an output node of an inverter of the plurality of inverters and the TSV, and a controller controlling the switch.