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:
May. 12, 2026
Filed:
Apr. 12, 2023
Tdk Corporation, Tokyo, JP;
Tetsuya Shibata, Tokyo, JP;
Hideaki Fukuzawa, Tokyo, JP;
Tomohito Mizuno, Tokyo, JP;
Arata Tsukamoto, Tokyo, JP;
Yuichi Kasatani, Funabashi, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A light detection element include: a magnetic element, a capacitor, and a resistor, wherein the magnetic element and the capacitor are connected in series, the resistor is connected to the magnetic element and the capacitor in parallel, the magnetic element includes a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, and the magnetic element is configured to be irradiated with a light containing an optical signal with a change of intensity of the light.