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. 05, 2018
Filed:
Jan. 25, 2016
SK Hynix Inc., Icheon, KR;
Industry-academic Cooperation Foundation, Yonsei University, Seoul, KR;
Youngjae An, Suwon, KR;
Jung-Hyun Park, Seoul, KR;
Kiryong Kim, Yeongdong-gun, KR;
Seong-Ook Jung, Seoul, KR;
Hyucksang Yim, Seoul, KR;
SK HYNIX INC., Icheon, KR;
INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITY, Seoul, KR;
Abstract
A threshold voltage measuring device may include a metal-oxide-semiconductor (MOS) transistor, a drain voltage clamping circuit configured to control a drain voltage of the MOS transistor wherein the drain voltage having a substantially constant level, and a constant current supply circuit configured to cause a drain-source current to flow through the MOS transistor wherein the drain-source current having a substantially constant magnitude.