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:
Nov. 06, 2012
Filed:
Jun. 14, 2010
Applicants:
Karl-heinz Mueller, Velden, DE;
Kai Esmark, Neuried, DE;
Inventors:
Karl-heinz Mueller, Velden, DE;
Kai Esmark, Neuried, DE;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/74 (2006.01); H01L 31/111 (2006.01); H01L 23/62 (2006.01); H02H 3/00 (2006.01); H02H 7/00 (2006.01); H02H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Devices and circuits related to Electrostatic discharge (ESD) and Electromagnetic compatibility (EMC) are herein described. An ESD protection device is incorporated into a transistor in order to protect the gate of the transistor from excessive current loads related to ESD or EMC events. In an implementation, a device includes a first diode and a second diode that are electrically connected via their respective cathodes. The breakdown voltage of the first diode is lower than the breakdown voltage of the second diode in order to divert excessive current through the second diode.