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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.:

US 9952094 B1

PDFFull Text
Date of Patent:
Apr. 24, 2018

Filed:

Dec. 12, 2016

Semiconductor device for detecting ultraviolet and infrared radiation and related manufacturing process

Applicant:

Stmicroelectronics S.r.l., Agrate Brianza, IT;

Inventors:

Massimo Cataldo Mazzillo, Corato, IT;

Antonella Sciuto, Giarre, IT;

Assignee:

STMICROELECTRONICS S.R.L., Agrate Brianza, IT;

Attorney:

Seed Intellectual Property Law Group LLP

Primary Examiner:

Ermias Woldegeorgis

Int. Cl.
CPC ...
G01J 1/42 (2006.01); H01L 31/0224 (2006.01); H01L 31/107 (2006.01); H01L 31/0312 (2006.01); H01L 31/0352 (2006.01); H01L 31/0216 (2014.01); H01L 31/0232 (2014.01); H01L 31/02 (2006.01); H01L 31/18 (2006.01); F23N 5/08 (2006.01); G01J 5/00 (2006.01); H01L 31/103 (2006.01); H01L 31/09 (2006.01);
U.S. Cl.
CPC ...
G01J 1/429 (2013.01); F23N 5/082 (2013.01); G01J 5/0014 (2013.01); H01L 31/02027 (2013.01); H01L 31/02164 (2013.01); H01L 31/02327 (2013.01); H01L 31/022408 (2013.01); H01L 31/0312 (2013.01); H01L 31/035281 (2013.01); H01L 31/09 (2013.01); H01L 31/103 (2013.01); H01L 31/107 (2013.01); H01L 31/1035 (2013.01); H01L 31/1812 (2013.01);
Abstract

A semiconductor device for flame detection, including: a semiconductor body having a first conductivity type conductivity, delimited by a front surface and forming a cathode region; an anode region having a second conductivity type conductivity, which extends within the semiconductor body, starting from the front surface, and forms, together with the cathode region, the junction of a photodiode that detect ultraviolet radiation emitted by the flames; a supporting dielectric region; and a sensitive region, which is arranged on the supporting dielectric region and varies its own resistance as a function of the infrared radiation emitted by the flames.

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