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:
Jul. 02, 2019

Filed:

Oct. 18, 2016
Applicant:

Llc “dephan”, Skolkovo, RU;

Assignee:

LLC “Dephan”, Skolkovo, RU;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/107 (2006.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/107 (2013.01); H01L 31/1804 (2013.01);
Abstract

An avalanche photodetector (APD) includes a photo converter for signals to be demodulated into free charge carriers; and at least one avalanche amplifier for the free charge carriers. The photo converter and the avalanche amplifier are located next to each other on the same substrate and are in direct contact with each other. The avalanche amplifier includes a contact layer and a multiplier layer. The multiplier layer is made of a semiconductor of the same conductivity type as the photo converter and faces the substrate abutting the photo converter on one side. A first electrode is on the contact layer of the avalanche amplifier, while the second electrode is on a bottom of the substrate.


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