Back to results
US 2022/0068537 A1Published application
Photodetection element and receiver
AssigneeTDK Corporation
InventorsTomohito MIZUNO, Hideaki FUKUZAWA, Tetsuya SHIBATA
Life of this patent
Estimating the term…
Abstract
A photodetection element includes: a first ferromagnetic layer configured to be irradiated with light; a second ferromagnetic layer; and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the first ferromagnetic layer includes a first region in contact with the spacer layer and a second region disposed in a position farther from the space layer than the first region, the first region is made of CoFeB alloy, and the second region is a magnetic material containing Fe and Gd as major constituent elements.
Claims6
A photodetection element comprising:
- a first ferromagnetic layer configured to be irradiated with light;
- a second ferromagnetic layer;
- and
- a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein
- the first ferromagnetic layer includes a first region in contact with the spacer layer and a second region disposed in a position farther from the space layer than the first region,
- the first region is made of CoFeB alloy, and
- the second region is a magnetic material containing Fe and Gd as major constituent elements.
4 more elements
Dependencies are inferred from the claim text.