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:
Mar. 09, 2021

Filed:

Apr. 13, 2018
Applicants:

Stmicroelectronics International N.v., Schiphol, NL;

Stmicroelectronics SA, Montrouge, FR;

Inventors:

Radhakrishnan Sithanandam, Greater Noida, IN;

Divya Agarwal, Noida, IN;

Jean Jimenez, Saint Theoffrey, FR;

Malathi Kar, Delhi, IN;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/02 (2006.01); H02H 9/04 (2006.01); H01L 27/02 (2006.01); H01L 27/07 (2006.01); H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
H02H 9/046 (2013.01); H01L 27/0255 (2013.01); H01L 27/0262 (2013.01); H01L 27/0266 (2013.01); H01L 27/0722 (2013.01); H01L 29/0649 (2013.01);
Abstract

Electrostatic discharge (ESD) protection is provided in using a supply clamp circuit using an ESD event actuated SCR device. The SCR device may include an embedded field effect transistor (FET) having an insulated gate that receives a trigger signal from an ESD detection circuit. The SCR device may alternatively include a variable substrate resistor having an insulated gate that receives a trigger signal from an ESD detection circuit.


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