公开(公告)号：US20230337546A1

公开(公告)日：2023-10-19

申请号：US18133639

申请日：2023-04-12

Applicant: TDK CORPORATION

Inventor： Tetsuya SHIBATA ,  Hideaki FUKUZAWA ,  Tomohito MIZUNO ,  Arata TSUKAMOTO ,  Yuichi KASATANI

IPC: H10N50/10 ,  G01J1/46 ,  H10N50/80

CPC classification number: H10N50/10 ,  G01J1/46 ,  H10N50/80

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.