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:
Aug. 05, 2014
Filed:
Jun. 13, 2012
Mathieu Lisart, Aix en Provence, FR;
Alexandre Sarafianos, Marseilles, FR;
Olivier Gagliano, Marseilles, FR;
Marc Mantelli, Fuveau, FR;
Mathieu Lisart, Aix en Provence, FR;
Alexandre Sarafianos, Marseilles, FR;
Olivier Gagliano, Marseilles, FR;
Marc Mantelli, Fuveau, FR;
STMicroelectronics (Rousset) SAS, Rousset, FR;
Abstract
An integrated circuit chip includes: a plurality of parallel wells of alternated conductivity types formed in the upper portion of a semiconductor substrate of a first conductivity type; in each well of the first type, a plurality of MOS transistors having a channel of the second conductivity type, and in each well of the second type, a plurality of MOS transistors having a channel of the first type, transistors of neighboring wells being inverted-connected; and a device of protection against attacks, including: a layer of the second type extending under said plurality of wells, from the lower surface of said wells; and regions of lateral insulation between the wells, said regions extending from the upper surface of the wells to said layer.