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:
May. 17, 2016
Filed:
Aug. 04, 2014
Globalfoundries Inc., Grand Cayman, KY (US);
Chien-Hsin Lee, Malta, NY (US);
Mahadeva Iyer Natarajan, Clifton Park, NY (US);
Manjunatha Prabhu, Malta, NY (US);
Anil Kumar, Clifton Park, NY (US);
Ruchil Kumar Jain, Singapore, NY (US);
GLOBALFOUNDRIES INC., Grand Cayman, KY;
Abstract
An ESD device is provided for protecting a circuit from electrostatic discharge, and includes a planar diode having an anode and a cathode. The anode is electrically coupled to a signal path of the circuit, and the cathode is electrically coupled to a ground of the circuit. The ESD device is configured to be off during normal operation of the circuit and to turn on in response to an electrostatic discharge on the signal path. Two depletion regions in the device are separated by an isolation well. In response to the electrostatic discharge, the depletion regions modulate (e.g., widen and merge), providing a path for the discharge to the ground of the circuit.