Abstract:
A fluid device 10 includes: a flow path 20 through which a fluid containing a fine particle flows; an ultrasonic transmitter 60 configured to transmit an ultrasonic wave to the fluid in the flow path 20 in response to an input of a drive signal; a flow velocity measurement unit 40 configured to measure a flow velocity of the fluid in the flow path 20; and a controller 70 configured to control the ultrasonic transmitter 60. The controller 70 sets an amplitude of the drive signal according to a measured flow velocity that is a flow velocity measured by the flow velocity measurement unit 40, and inputs the drive signal having the set amplitude to the ultrasonic transmitter 60.
Abstract:
A terahertz wave detecting device includes: a substrate; and a plurality of detection elements that is arranged above the substrate, wherein the detection element includes an absorbing section that absorbs a terahertz wave to generate heat, and a converting section that converts the heat generated in the absorbing section into an electric signal, wherein the absorbing section includes a dielectric layer, a first metal layer that is provided on a surface of the dielectric layer, and a second metal layer that is provided on the other surface of the dielectric layer, and wherein the plurality of detection elements is arranged so that the terahertz wave that is diffracted between the adjacent absorbing sections is incident onto the dielectric layer.
Abstract:
A dielectric heating apparatus includes: a conveyance unit configured to convey an object to be heated; an electrode unit including a first electrode and a second electrode which face the object to be heated, that is conveyed in a first direction, in a second direction intersecting the first direction and which are applied with an alternating current voltage; and a metal first cover unit configured to surround the electrode unit. The first cover unit includes a first insertion port through which the object to be heated is inserted into the first cover unit, a first feed-out port through which the object to be heated is fed out of the first cover unit, and a plurality of first opening portions that are different from the first insertion port and the first feed-out port.
Abstract:
A surface emitting laser includes a semiconductor substrate, a resonance portion that is disposed over the semiconductor substrate and that emits light, an insulating layer disposed in a side face of the resonance portion, and a coating film covering the resonance portion and the insulating layer, wherein a portion disposed in a side face of the insulating layer of the coating film is constituted by an atomic layer deposition film.
Abstract:
An encoder includes an optical scale that is so provided as to be pivotable around a pivotal axis and includes a polarizing portion having a polarization characteristic, a light outputting portion that outputs linearly polarized light toward the polarizing portion, and a light detecting portion that detects the linearly polarized light from the optical scale. The light outputting portion includes a vertical cavity surface emitting laser, and light emitted from the vertical cavity surface emitting laser spreads at an angle greater than or equal to 5° but smaller than or equal to 20°.
Abstract:
A specimen inspection apparatus includes: a terahertz wave generation unit which generates a terahertz wave; a transportation unit which includes a transportation surface on which specimens as inspection objects are loaded and is configured so as to transport the specimens in an in-plane direction of the transportation surface; an irradiation direction changing unit which changes an irradiation direction of a terahertz wave which is emitted from the terahertz wave generation unit and is emitted to the specimens loaded on the transportation surface; and a terahertz wave detection unit which detects a terahertz wave which is emitted to the specimens loaded on the transportation surface to transmit therethrough or be reflected thereby, wherein the irradiation direction changing unit changes the irradiation direction by changing a position of the terahertz wave generation unit.
Abstract:
A fluid device includes a chamber that is provided with an inlet and an outlet opened at different positions on an X axis and is formed with a flow path space in which a fluid is caused to flow from the inlet to the outlet, a first ultrasonic element configured to generate a standing wave in a direction along an X axis in the fluid in the chamber, a driver configured to drive the first ultrasonic element, and a drive controller configured to control the driver such that a drive voltage applied to the first ultrasonic element is reduced over time.
Abstract:
A printing apparatus 1 includes a pretreatment unit 4 that applies a processing liquid containing a polar material to a fabric M, a printing unit 5 that applies ink containing a color material to the fabric M applied with the processing liquid, and an AC electric field generator 62 that generates an AC electric field. The AC electric field generator 62 includes a first electrodes 71 and a second electrode 72 that face the fabric M and that are disposed adjacent to each other, a high-frequency voltage generator 77 that generates a high-frequency voltage to be applied to the first electrodes 71 and the second electrode 72, and a conductors 73 that electrically connects the first electrodes 71 and the second electrode 72 to the high-frequency voltage generator 77.
Abstract:
A terahertz wave detecting device includes: a substrate; and a plurality of detection elements that is arranged above the substrate, wherein the detection element includes a first metal layer that is provided on the substrate, an absorbing section that is provided to be spaced from the first metal layer and absorbs a terahertz wave to generate heat, and a converting section that includes a second metal layer, a pyroelectric layer and a third metal layer layered on the absorbing section on a side opposite to the first metal layer, and converts the heat generated in the absorbing section into an electric signal.
Abstract:
A terahertz wave detecting device includes a wavelength filter and a detection part. The wavelength filter is configured to convert terahertz waves to heat. The detection part is configured to detect the heat converted by the wavelength filter. The wavelength filter includes a wavelength selection layer and a terahertz wave absorption layer. The wavelength selection layer is configured to transmit terahertz waves of a prescribed wavelength among the terahertz waves. The terahertz wave absorption layer is provided in contact with the wavelength selection layer and the detection part, and contains a material for absorbing the terahertz waves of the prescribed wavelength.