Abstract: A piezoelectric device includes a substrate having opening portions, a vibrating plate provided to overlap with the substrate and having a plurality of vibrating regions overlapping with the opening portions in a plan view as seen from a thickness direction of the substrate, piezoelectric elements provided in the vibrating regions, and bypass wires provided outside of the vibrating regions of the vibrating plate and electrically coupled to the plurality of piezoelectric elements, wherein slits penetrating the bypass wires in the thickness direction are provided in the bypass wires.

Abstract: A software update device is configured to update software for an in-vehicle control device mounted in a vehicle. The software update device includes an information acquisition unit, an output unit, an execution unit, a communication status acquisition unit, a correction unit, and a notification unit. The information acquisition unit is configured to acquire, from a server provided outside the vehicle, update process information related to an update of the software. The output unit is configured to output consent request information for asking a user whether to consent to the update of the software. The execution unit is configured to execute an update process for the software according to response information that is a response to the consent request information from the user. The calculation unit is configured to calculate an estimate time required for the update.

Abstract: An information processing system includes one or more processors configured to: when a series of processes on a file are defined in advance, the series of processes including a first process and a second process, the second process being performed after execution of the first process, arrange a first request unit and a second request unit on a display unit in this sequence, the first request unit being used to request the first process, the second request unit being used to request the second process; and, after the first process is requested by using the first request unit, until the second process is requested by using the second request unit, exert control related to a user operation on the basis of the second process.

Abstract: A vehicle seat includes a lower member, a frame member, and a link member connected to the lower member and the frame member. The link member includes a first circular hole portion connected to the lower member so as to pivot about an axis in a width direction of a vehicle, a second circular hole portion connected to the frame member, a main body of plate shape in which the first circular hole portion and the second circular hole portion are formed, a flange projecting from the main body in a direction crossing the main body, a recess formed to bring the flange closer to an imaginary straight line connecting a center of the first circular hole portion with a center of the second circular hole portion, and an offset portion formed to shift the main body in a thickness direction of the main body.

Abstract: A piezoelectric actuator includes a vibrating plate including a first surface that closes an opening provided in a substrate and a second surface in which a plurality of piezoelectric elements is provided, a suppression part configured to suppress a vibration of the vibrating plate, and a first wall and a second wall protruding from the first surface to the opening. When a portion where the first electrode, the piezoelectric layer and the second electrode overlap each other is an active part of the piezoelectric element, the first wall and the second wall are provided to sandwich the active part in plan view from the stacking direction of the first electrode, the piezoelectric layer and the second electrode, and the second wall is different from the first wall at least in one of the width, height, length and physical property.

Abstract: A mounting structure includes: a first substrate that has a first surface on which a functional element is provided; a wiring portion that is provided at a position, which is different from a position of the functional element on the first surface, and is conductively connected to the functional element; a second substrate that has a second surface that is opposite to the first surface; and a conduction portion that is provided on the second surface, is connected to the wiring portion, and is conductively connected the functional element. The shortest distance between the functional element and the second substrate is longer than the longest distance between the second substrate and a position where the wiring portion is connected to the conduction portion.

Abstract: A piezoelectric substrate according to the present disclosure includes: a base body; an electrode formed at the base body; and a piezoelectric layer formed at the electrode and containing potassium, sodium, and niobium. A value of IR2/IR1 obtained by dividing an integrated intensity IR2 at a peak 2 by an integrated intensity IR1 at a peak 1, when a surface of the piezoelectric layer is measured by Fourier transform infrared spectroscopy, is less than 0.086. Here, the peak 1 has a strongest area intensity among peaks detected at wavenumbers of 475 cm?1 to 700 cm?1, and the peak 2 has an area intensity that is a sum of area intensities of peaks detected at wavenumbers of 1200 cm?1 to 1645 cm?1.

Abstract: A mounting structure includes: a first substrate that has a first surface on which a functional element is provided; a wiring portion that is provided at a position, which is different from a position of the functional element on the first surface, and is conductively connected to the functional element; a second substrate that has a second surface that is opposite to the first surface; and a conduction portion that is provided on the second surface, is connected to the wiring portion, and is conductively connected the functional element. The shortest distance between the functional element and the second substrate is longer than the longest distance between the second substrate and a position where the wiring portion is connected to the conduction portion.

Abstract: An ultrasonic device includes a base material that has an opening, a vibration plate that is provided on the base material and closes the opening, and a piezoelectric element that is provided on the vibration plate, in which the vibration plate has a first layer provided on the base material, and a second layer that is disposed between the first layer and the piezoelectric element and that suppresses diffusion of a component contained in the piezoelectric element, and a bending rigidity of the second layer is equal to or larger than a bending rigidity of the first layer.

Abstract: Provided is an ultrasonic device including a substrate and a vibration plate provided on the substrate and having one or more vibrators configured to generate an ultrasonic wave by vibration. The vibration plate has a movable portion provided with the vibrator and configured to vibrate accompanying with the vibration of the vibrator, and a fixed portion fixed to the substrate. A vibration frequency of a reflected wave based on a wave transmitted from the movable portion and received by the movable portion is outside a vibration frequency band region of the vibrator.

Abstract: A tip 230 holds a liquid and discharges the liquid to a well 310. A dispensing unit 220 performs a dispensing process by discharging a constant dispensing amount of the liquid out of the liquid that is held by the tip 230 to the well 310. An arithmetic unit 10 calculates a dispensing position with respect to the well 310 based on container information on the well 310 and information on the dispensing amount, and causes the dispensing unit 220 to perform the dispensing process at the dispensing position.

Abstract: A piezoelectric element includes a first electrode layer, a piezoelectric layer, and a second electrode layer. The first electrode layer, the piezoelectric layer, and the second electrode layer are stacked in sequence on one another. The first electrode layer has a first part overlapping the piezoelectric layer in a plan view, and a second part at least partially separated from the first part and not overlapping the piezoelectric layer in the plan view. The second electrode layer has a third part overlapping the piezoelectric layer in the plan view, and a fourth part separated from the third part. The fourth part is in contact with the first part and the second part.

Abstract: A droplet ejection head includes a nozzle plate having a nozzle, a pressure chamber forming substrate having a pressure chamber, a vibration plate, and a piezoelectric element containing potassium, sodium, and niobium and formed on the vibration plate. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric layer located between the first electrode and the second electrode. A total thickness of the piezoelectric layer, the first electrode, and the second electrode is larger than a thickness of the vibration plate.

Abstract: A piezoelectric element according to the present disclosure includes: a first electrode; a piezoelectric layer formed at an upper part of the first electrode; and a second electrode formed at an upper part of the piezoelectric layer, in which the piezoelectric layer contains potassium, sodium, and niobium, and a Young's modulus of the piezoelectric layer measured by a nanoindentation method exceeds 130 GPa.

Abstract: A piezoelectric element according to the present disclosure includes: a substrate; a first electrode formed on the substrate; a piezoelectric layer formed on the first electrode; and a second electrode formed on the piezoelectric layer, in which the piezoelectric layer contains potassium, sodium, niobium, oxygen, and carbon, and in secondary ion mass spectrometry in the piezoelectric layer, a ratio of a maximum intensity of carbon to a maximum intensity of oxygen is 3.1×10?3 or more and 9.1×10?3 or less.

Abstract: A piezoelectric element includes an adhesion layer formed at a vibration plate and containing titanium, a lower electrode formed at the adhesion layer, a diffusion reduction layer formed at the lower electrode and containing iridium, a seed layer formed at the diffusion reduction layer and containing bismuth, a piezoelectric layer formed at the seed layer and containing potassium, sodium, and niobium, and an upper electrode formed at the piezoelectric layer.

Abstract: The present invention provides an improvement in the strength of the scleral by collagen fiber crosslinking via crosslinking treatment of the sclera at the equatorial region of the eye and/or at the posterior pole such as the fundus of the eye. Also provided is the prevention and/or treatment of eye disease by the same. Provided are a photosensitizer used in a crosslinking treatment for the sclera at the equatorial region of the eye and/or at the posterior pole of the eye; a kit containing the same; and a method for emitting light for the crosslinking treatment.

Abstract: A piezoelectric element includes: a first electrode formed at a vibration plate; a seed layer formed at the first electrode; a piezoelectric film containing potassium, sodium, and niobium and formed at the seed layer; and a second electrode formed at the piezoelectric film. The piezoelectric film contains lithium and one or more first transition elements. The seed layer contains bismuth. When the piezoelectric film is divided into two equal parts in a stacking direction, the second electrode side is defined as a first region, and the first electrode side is defined as a second region, a bismuth intensity obtained by SIMS measurement at a boundary between the first region and the second region is equal to or less than 1/500 of a maximum bismuth intensity obtained by the SIMS measurement of the piezoelectric film.

Abstract: A piezoelectric actuator includes: a vibrating plate including a first surface configured to close an opening provided in a substrate and also including a second surface including a plurality of piezoelectric elements; a suppressing portion configured to suppress vibration of the vibrating plate; and a plurality of walls sticking out into the opening from the first surface, in which, when an active portion of a piezoelectric element is set as a portion where a first electrode, a piezoelectric layer, and a second electrode overlap, the walls are provided between adjacent active portions in plan view from a direction in which the first electrode, the piezoelectric layer, and the second electrode are stacked, and a distance between adjacent walls is longer than a distance between adjacent active portions in a plane perpendicular to the stacking direction.

Abstract: An ultrasonic device according to an aspect of the present disclosure includes a substrate in which an opening section piercing through the substrate in a thickness direction is provided, a vibration plate provided on the substrate to close the opening section, a piezoelectric element provided in a position corresponding to the opening section on a first surface at the opposite side of the substrate side of the vibration plate, and an elastic layer provided in contact with a second surface at the substrate side of the vibration plate at the inner side of the opening section of the substrate. The elastic layer includes a curved surface recessed to the vibration plate side at the opposite side of the vibration plate side.