Abstract:
According to one embodiment, a sensor includes a base body, a support member, and a movable member. The base body includes a first face including a first base region. The support member is fixed to the first base region. The support member includes a support portion and an extending portion. The extending portion is connected to the support portion. The extending portion extends along a second direction crossing a first direction from the first base region to the support portion. A first width of the support portion in a third direction crossing a plane including the first direction and the second direction is wider than a second width of the extending portion in the third direction. The movable member is supported by the extending portion. A first gap is provided between the first face and the movable member.
Abstract:
According to one embodiment, a sensor includes a sensor element, a housing provided around the sensor element, and a processor. The sensor element includes a base body including first and second base body regions, and first and second sensor parts. The first sensor part is provided in the first base body region, and includes a first sensor movable part. The second sensor part is provided in the second base body region and includes first and second beams. The processor can derive a rotation angle and an angular velocity based on a signal obtained from the first sensor movable part. The processor can detect acceleration and a temperature based on a first resonance frequency of the first beam and a second resonance frequency of the second beam. The processor can correct one of the rotation angle or the angular velocity based on one of the temperature or the acceleration.
Abstract:
According to one embodiment, a sensor includes a sensor element, and a controller. The sensor element includes a first sensor part. The first sensor part includes a first movable part which can vibrate. Vibration of the first movable part includes a first component and a second component. The controller is configured to perform to third mode operations. In the first mode operation, the controller is configured to derive a first rotation angle of the first movable part based on a first amplitude of the first component and a second amplitude of the second component. In the second mode operation, the controller is configured to derive a first angular velocity of the first movable part based on a change of a control signal. In the third mode operation, the controller is configured to supply a third mode signal to the first sensor part.
Abstract:
According to one embodiment, a strain sensing element includes a film unit being deformable, a first and a second magnetic unit, and a strain sensor. The first magnetic unit is provided on the film unit and is arranged with the film unit in a first direction. The first magnetic unit includes a first magnetic body layer and a first intermediate magnetic layer. The second magnetic unit is provided on the film unit and is arranged with the first magnetic unit in a second direction crossing the first direction. The second magnetic unit includes a second magnetic body layer and a second intermediate magnetic layer. The strain sensor is provided on the film unit between the first magnetic unit and the second magnetic unit. An electrical characteristic of the strain sensor changes according to a deformation of the film unit.
Abstract:
According to one embodiment, a strain sensing element to be provided on a deformable substrate, the element includes: a reference layer; a magnetization free layer; and a spacer layer. Magnetization of the magnetization free layer changes in accordance with deformation of the substrate. The spacer layer is provided between the reference layer and the magnetization free layer. The magnetization free layer has: a first magnetic layer; a second magnetic layer; and a magnetic coupling layer. The first magnetic layer is provided in contact with the spacer layer. The second magnetic layer is provided to be separated from the first magnetic layer. The magnetic coupling layer is provided between the first magnetic layer and the second magnetic layer. Magnetization of the first magnetic layer is anti-parallel to magnetization of the second magnetic layer.
Abstract:
According to one embodiment, a sensor includes a base body including a first face, a first support portion, a first movable portion, and a first insulating member. The first face includes a first base region, a second base region, and a third base region. The first support portion is fixed to the third base region. The first movable portion is supported by the first support portion. The first movable portion includes a first movable region and a second movable region. A first gap is provided between the first base region and the first movable region. The first insulating member is fixed to the second base region, and located between the second base region and the second movable region in a first direction from the third base region to the first support portion. A second gap is provided between the first insulating member and the second movable region.
Abstract:
According to one embodiment, a sensor includes a deformable film portion, a first sensing element and a second sensing element. The first sensing element is fixed to the film portion, and includes a first magnetic layer of a first material, a first opposing magnetic layer, and a first intermediate layer. The first intermediate layer is provided between the first magnetic layer and the first opposing magnetic layer. The second sensing element is fixed to the film portion, and includes a second magnetic layer of a second material, a second opposing magnetic layer, and a second intermediate layer. The second material is different from the first material. The second intermediate layer is provided between the second magnetic layer and the second opposing magnetic layer.
Abstract:
According to one embodiment, a strain sensing element includes a film unit being deformable, a first and a second magnetic unit, and a strain sensor. The first magnetic unit is provided on the film unit and is arranged with the film unit in a first direction. The first magnetic unit includes a first magnetic body layer and a first intermediate magnetic layer. The second magnetic unit is provided on the film unit and is arranged with the first magnetic unit in a second direction crossing the first direction. The second magnetic unit includes a second magnetic body layer and a second intermediate magnetic layer. The strain sensor is provided on the film unit between the first magnetic unit and the second magnetic unit. An electrical characteristic of the strain sensor changes according to a deformation of the film unit.
Abstract:
According to one embodiment, a sensor includes a film portion and a first sensor portion. The film portion is deformable. The first sensor portion is provided at the film portion. The first sensor portion includes a first conductive layer, a second conductive layer, a first magnetic layer, a second magnetic layer, and a first intermediate layer. The second conductive layer is provided between the first conductive layer and the film portion. The first magnetic layer is provided between the first conductive layer and the second conductive layer. The second magnetic layer is provided between the first magnetic layer and the second conductive layer. The first intermediate layer is provided between the first magnetic layer and the second magnetic layer. A curvature of the first conductive layer is different from a curvature of at least a portion of the film portion.
Abstract:
According to one embodiment, a sensor includes a deformable film portion, a first sensing element and a second sensing element. The first sensing element is fixed to the film portion, and includes a first magnetic layer of a first material, a first opposing magnetic layer, and a first intermediate layer. The first intermediate layer is provided between the first magnetic layer and the first opposing magnetic layer. The second sensing element is fixed to the film portion, and includes a second magnetic layer of a second material, a second opposing magnetic layer, and a second intermediate layer. The second material is different from the first material. The second intermediate layer is provided between the second magnetic layer and the second opposing magnetic layer.