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:
Mar. 10, 2026
Filed:
Jun. 16, 2023
Applicant:
University of Virginia Patent Foundation, Charlottesville, VA (US);
Inventors:
Andrew H. Jones, Charlottesville, VA (US);
Joe C. Campbell, Charlottesville, VA (US);
Assignee:
University of Virginia Patent Foundation, Charlottesville, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10F 30/225 (2025.01); H10F 77/124 (2025.01);
U.S. Cl.
CPC ...
H10F 30/2255 (2025.01); H10F 77/1248 (2025.01);
Abstract
Avalanche photodiode designs having separate absorption and multiplication regions are disclosed. The avalanche photodiode designs include a charge layer tailored to allow charge carrier transport from the absorption layer to the multiplication layer and reduce the dark current when the avalanche photodiode is reverse biased.