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:
Jun. 25, 2013
Filed:
Jan. 20, 2009
Delfo Nunziato Sanfilippo, Catania, IT;
Emilio Antonio Sciacca, Catania, IT;
Piero Giorgio Fallica, Catania, IT;
Salvatore Antonio Lombardo, Catania, IT;
Delfo Nunziato Sanfilippo, Catania, IT;
Emilio Antonio Sciacca, Catania, IT;
Piero Giorgio Fallica, Catania, IT;
Salvatore Antonio Lombardo, Catania, IT;
STMicroelectronics S.r.l., Agrate Brianza, IT;
Abstract
An embodiment of an array of Geiger-mode avalanche photodiodes, wherein each photodiode is formed by a body of semiconductor material, having a first conductivity type, housing a first cathode region, of the second conductivity type, and facing a surface of the body, an anode region, having the first conductivity type and a higher doping level than the body, extending inside the body, and facing the surface laterally to the first cathode region and at a distance therefrom, and an insulation region extending through the body and insulating an active area from the rest of the body, the active area housing the first cathode region and the anode region. The insulation region is formed by a mirror region of metal material, a channel-stopper region having the second conductivity type, surrounding the mirror region, and a coating region, of dielectric material, arranged between the mirror region and the channel-stopper region.