Magnetism measuring device
AssigneeRenesas Electronics Corporation
InventorsYuji Hatano, Jun Ueno, Takenori Okitaka, Keiro Komatsu
Life of this patent
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Abstract
A magnetism measuring device includes a light source unit, a diamond crystal and an image sensor. The light source unit irradiates the diamond crystal with an excitation light, and irradiates the image sensor with a fluorescent light generated by the diamond crystal. The diamond crystal includes a plurality of nitrogen-vacancy pairs. The image sensor detects an intensity of the fluorescent light, which is generated from the diamond crystal, by a plurality of pixels. The image sensor and the light source unit are disposed so as to be contained within a projection area of the diamond crystal.
Claims16
A magnetism measuring device comprising:
- a diamond crystal having a plurality of nitrogen-vacancy pairs;
- an image sensor configured to detect an intensity of a fluorescent light emitted from the diamond crystal by a plurality of pixels;
- and
- a light source unit configured to irradiate the diamond crystal with an excitation light and irradiate the image sensor with the fluorescent light emitted from the diamond crystal,
- wherein the image sensor and the light source unit are disposed above the diamond crystal in a direction perpendicular to a main surface of the diamond crystal so that projected areas of the image sensor and the light source unit fall within an area of the main surface of the diamond crystal, and
- wherein, viewed in the direction perpendicular to the main surface of the diamond crystal, the diamond crystal overlaps an entirety of the sensor.
A magnetism measuring device comprising:
- a diamond crystal having a plurality of nitrogen-vacancy pairs;
- an image sensor configured to detect an intensity of a fluorescent light emitted from the diamond crystal by a plurality of pixels;
- and
- a light source unit configured to irradiate the diamond crystal with an excitation light and irradiate the image sensor with the fluorescent light emitted from the diamond crystal,
- wherein the image sensor and the light source unit are disposed above the diamond crystal in a direction perpendicular to a main surface of the diamond crystal,
- wherein a projected area of each of the image sensor and the light source unit is smaller than an area of the main surface of the diamond crystal when viewed from above of the image sensor, and
- wherein, viewed in the direction perpendicular to the main surface of the diamond crystal, the diamond crystal overlaps an entirety of the image sensor.
Dependencies are inferred from the claim text.