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. 31, 2026
Filed:
Aug. 12, 2022
Sumitomo Electric Industries, Ltd., Osaka, JP;
Kyohei Maekawa, Osaka, JP;
Hiroshi Hara, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
An optical receiver includes a light receiving element, a capacitor, a transimpedance amplifier, and a base. The light receiving element includes a semiconductor layer, a first conductive film electrically connected to a cathode electrode, a second conductive film electrically connected to the first conductive film through a conductor, and an anode pattern electrically connected to an anode electrode. The transimpedance amplifier has a first pad electrically connected to the first conductive film through a first wire and a second pad electrically connected to the anode pattern through a second wire. The base has a main surface. An electrostatic capacitance between the second conductive film and the main surface of the base is larger than a parasitic capacitance between the first conductive film and the second conductive film, and the inductance of the conductor is smaller than the inductance of the first wire.