Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tien-Hao Tang0
Ya-Ting Lin0
Yi-Chun Chen0
Date of Patent
May 2, 2017
Patent Application Number
14728053
Date Filed
June 2, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
An electrostatic discharge (ESD) protection device includes a first trigger element and a first silicon control rectifier (SCR) element. The first trigger element has a first parasitic bipolar junction transistor (BJT) formed in a substrate. The first SCR element has a second parasitic BJT formed in the substrate. The first parasitic BJT and the second parasitic BJT has a common parasitic bipolar base, and the first parasitic BJT has a trigger voltage substantially lower than that of the second parasitic BJT.
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