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.

Date of Patent:
Apr. 16, 2019

Filed:

May. 11, 2018
Applicant:

SK Hynix Inc., Icheon, KR;

Inventors:

Tae Jung Ha, Icheon, KR;

Soo Gil Kim, Seongnam, KR;

Assignee:

SK hynix Inc., Icheon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 47/00 (2006.01); H01L 45/00 (2006.01);
U.S. Cl.
CPC ...
H01L 45/1253 (2013.01); H01L 45/145 (2013.01);
Abstract

A switching device includes a first switching element having a snap-back behavior characteristic, an output voltage of the first switching element decreasing when an input current increases from a turn-on threshold current of the first switching element. The switching device further includes a second switching element having a continuous-resistance behavior characteristic, an output voltage of the second switching element increasing when the input current increases from a turn-on threshold current of the second switching element. The turn-on threshold current of the first switching element is lower than the turn-on threshold current of the second switching element.


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