Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shu-Ming Cheng0
Yu-Ti Su0
Date of Patent
January 27, 2015
0Patent Application Number
137123670
Date Filed
December 12, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An electrostatic discharge (ESD) protection structure comprises a first NPN transistor and a second NPN transistor connected in parallel. The bases of the first NPN transistor and the second NPN transistor are coupled together and further coupled to a first voltage potential and a second voltage potential through two deep trench capacitors respectively. The ESD protection structure further comprises a third deep trench capacitor and a fourth deep trench capacitor coupled between the first voltage potential and the second voltage potential.
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