Abstract: An image recording device and an image recording method capable of matching landing positions between droplet types in a consecutive ejection drive method are provided. The object is resolved by an image recording device in which a drive waveform for forming a dot of a small droplet is a drive waveform for ejecting a liquid droplet by a first ejection waveform element arranged in a first half of one drive cycle, and a drive waveform for forming a dot of a medium droplet is a drive waveform for ejecting the liquid droplet by the first ejection waveform element and a second ejection waveform element arranged after the first ejection waveform element in time series, and the liquid droplet ejected by the first ejection waveform element and the liquid droplet ejected by the second ejection waveform element are not combined while reaching onto a recording medium.

Abstract: An image recording device and an image recording method capable of matching landing positions between droplet types in a consecutive ejection drive method are provided. The object is resolved by an image recording device in which a drive waveform for forming a dot of a small droplet is a drive waveform for ejecting a liquid droplet by a first ejection waveform element arranged in a first half of one drive cycle, and a drive waveform for forming a dot of a medium droplet is a drive waveform for ejecting the liquid droplet by the first ejection waveform element and a second ejection waveform element arranged after the first ejection waveform element in time series, and the liquid droplet ejected by the first ejection waveform element and the liquid droplet ejected by the second ejection waveform element are not combined while reaching onto a recording medium.

Abstract: When discharge timing of a first head module and a second head module, adjacent to each other, is adjusted in a recording head in which a plurality of head modules each having s nozzle array in which a plurality of nozzles is arranged in different positions in a first direction is joined in a second direction intersecting with the first direction, the discharge timing is adjusted so that a complementary region recording shift amount being a recording shift amount in the first direction in a complementary region in a joined portion between the first head module and the second head module becomes a value between a first non-complementary region recording shift amount and a second non-complementary region recording shift amount that are recording shift amounts in the first direction in respective non-complementary regions in the first head module and the second head module.

Abstract: Provided are a recording head capable of suppressing concentration unevenness at a connection portion of head modules, a method for producing the recording head, and a recording device having the recording head. A recording head of a recording device is configured such that a first head module in which an ejection amount of the liquid droplets of one end portion in the one direction of a head module, in which a plurality of nozzles for ejecting liquid droplets are arranged, is larger than an ejection amount of the liquid droplets of the other end portion opposite to the one end portion, and a second head module in which the ejection amount of the liquid droplets of the other end portion is larger than the ejection amount of the liquid droplets of the one end portion are alternately connected in the one direction.

Abstract: The liquid ejection head has a structure in which three or more head modules including a plurality of ejection elements are arranged along a single direction, and the liquid ejection head includes a first head module, a second head module and a third head module which are arranged in ascending order of slope of ejection volume distribution in the single direction or are arranged in descending order of the slope of the ejection volume distribution in the single direction, the slope of the ejection volume distribution in the single direction being evaluated by subtracting an ejection volume at one end part in the single direction from an ejection volume at the other end part in the single direction.

Abstract: When discharge timing of a first head module and a second head module, adjacent to each other, is adjusted in a recording head in which a plurality of head modules each having s nozzle array in which a plurality of nozzles is arranged in different positions in a first direction is joined in a second direction intersecting with the first direction, the discharge timing is adjusted so that a complementary region recording shift amount being a recording shift amount in the first direction in a complementary region in a joined portion between the first head module and the second head module becomes a value between a first non-complementary region recording shift amount and a second non-complementary region recording shift amount that are recording shift amounts in the first direction in respective non-complementary regions in the first head module and the second head module.

Abstract: The production method for a liquid ejection head is provided, in which a first head module is set, a second candidate head module is selected, a first representative value of the first head module is acquired, a second representative value of the second candidate head module is acquired, an average value of the first representative value and the second representative value is derived, and the second candidate head module by which the derived average value is 0.76-fold or more and 1.24-fold or less of an average ejection volume target value is set as a second head module.

Abstract: The liquid ejection head has a structure in which three or more head modules including a plurality of ejection elements are arranged along a single direction, and the liquid ejection head includes a first head module, a second head module and a third head module which are arranged in ascending order of slope of ejection volume distribution in the single direction or are arranged in descending order of the slope of the ejection volume distribution in the single direction, the slope of the ejection volume distribution in the single direction being evaluated by subtracting an ejection volume at one end part in the single direction from an ejection volume at the other end part in the single direction.

Abstract: The production method for a liquid ejection head is provided, in which a first head module is set, a second candidate head module is selected, a first representative value of the first head module is acquired, a second representative value of the second candidate head module is acquired, an average value of the first representative value and the second representative value is derived, and the second candidate head module by which the derived average value is 0.76-fold or more and 1.24-fold or less of an average ejection volume target value is set as a second head module.

Abstract: Provided are a recording head capable of suppressing concentration unevenness at a connection portion of head modules, a method for producing the recording head, and a recording device having the recording head. A recording head of a recording device is configured such that a first head module in which an ejection amount of the liquid droplets of one end portion in the one direction of a head module, in which a plurality of nozzles for ejecting liquid droplets are arranged, is larger than an ejection amount of the liquid droplets of the other end portion opposite to the one end portion, and a second head module in which the ejection amount of the liquid droplets of the other end portion is larger than the ejection amount of the liquid droplets of the one end portion are alternately connected in the one direction.

Abstract: A liquid ejection head includes: a nozzle including a nozzle opening and a nozzle communication channel communicating at one end thereof with the nozzle opening; a liquid chamber communicating with another end of the nozzle communication channel; a pressurizing element configured to pressurize liquid in the liquid chamber; circulation outlets formed at the nozzle; individual circulation channels communicating with the nozzle; and a common circulation channel at which communication ports respectively communicating with the individual circulation channels are formed, the circulation outlets arranged symmetrically with respect to a nozzle axis passing through a barycenter of the nozzle opening and perpendicular to a nozzle opening surface, and the individual circulation channels respectively communicating with the circulation outlets and a same common circulation channel, flow rates of liquid respectively passing through the circulation outlets when the liquid in the nozzle is circulated to the common circulatio

Abstract: A resonant transducer comprising: a vibration plate; and a piezoelectric element including a piezoelectric film and an upper electrode that are laminated on the vibration plate, wherein a compressive stress is applied to the piezoelectric film.

Abstract: A liquid ejection head includes: a nozzle including a nozzle opening and a nozzle communication channel communicating at one end thereof with the nozzle opening; a liquid chamber communicating with another end of the nozzle communication channel; a pressurizing element configured to pressurize liquid in the liquid chamber; circulation outlets formed at the nozzle; individual circulation channels communicating with the nozzle; and a common circulation channel at which communication ports respectively communicating with the individual circulation channels are formed, the circulation outlets arranged symmetrically with respect to a nozzle axis passing through a barycenter of the nozzle opening and perpendicular to a nozzle opening surface, and the individual circulation channels respectively communicating with the circulation outlets and a same common circulation channel, flow rates of liquid respectively passing through the circulation outlets when the liquid in the nozzle is circulated to the common circulatio

Abstract: An actuator includes: a diaphragm having a thickness equal to or greater than 0.5 ?m and equal to or less than 20 ?m; a piezoelectric body layer which is provided on a first surface side of the diaphragm, and receives stress from the diaphragm; a pair of electrodes which is provided on the first surface side of the diaphragm together with the piezoelectric body layer, and is mutually opposing via the piezoelectric body layer; and a stress adjusting layer which is provided on a second surface side of the diaphragm on an opposite side to the first surface of the diaphragm, and receives stress from the diaphragm in a same direction as the stress that the piezoelectric body layer receives from the diaphragm.

Abstract: A film formation jig is configured to be used in a film formation process to a device constituted of members having heat-resistant temperatures different from each other, in which a film is formed on a film formation target member of the device having a heat-resistant temperature higher than a heat-resistant temperature of a non-film formation portion of the device. The film formation jig includes: a retaining member configured to retain the device, the retaining member having a part which is configured to come into contact with a surface of the film formation target member of the device and is shaped in accordance with the surface of the film formation target member; and a mask member configured to mask the non-film formation portion of the device. The retaining member and the mask member have projections disposed on parts configured to come into contact with the non-film formation portion of the device.

Abstract: Detection of detection target substances at a sensor portion is expedited and the efficiency thereof is improved in biological substance analysis, to enable accelerated analysis with high sensitivity. A biological substance analyzing cell equipped with a reaction chamber having a sample supply space, an acoustic matching layer which is provided at a predetermined region of an inner wall of the reaction chamber that faces another inner wall, and a sensor portion provided within the reaction chamber is employed. Ultrasonic waves are emitted such that a standing wave are generated between the acoustic matching layer and the inner wall of the reaction chamber that faces the acoustic matching layer. The detection target substance is concentrated by the capturing forces of the standing waves, and the concentrated detection target substance is detected at the sensor portion.

Abstract: A structure body has a liquid-repellent surface exhibiting repellency to a liquid. The structure body includes: a substrate which has a base surface; and a plurality of projections which are arranged on the base surface of the substrate. The projections have a characteristic angle defined as an angle between a lateral surface of each of the projections and a plane that intersects with the lateral surface and is parallel to the base surface, the angle being taken inside the projection on the lateral surface and in a side of the base surface on the plane. The characteristic angle of the projections is smaller than 90° and is smaller than a reference angle that is separately determined as a static contact angle of the liquid with respect to a reference surface that is smooth and has a chemical state identical to a chemical state of the lateral surface of the projection.

Abstract: An interior tire power generation apparatus includes a piezoelectric section having an inorganic piezoelectric body of a perovskite type oxide represented by General Formula (PX) below; a pair of electrodes for extracting an electric charge generated in the piezoelectric section when strained by an external force exerted on the tire; and an energy storage unit for storing the extracted electric charge. (Bix, A1-x) (By, C1-y)O3 ??(PX) where, A is an A-site element, other than Pb, with an average ionic valence of 2, B is a B-site element with an average ionic valence of 3, C is a B-site element with an average ionic valence of greater than 3, and each of A, B, and C is one or a plurality of types of metal elements. O is oxygen. B and C are of different compositions. 0.6?x?1.0, x-0.2?y?x.

Abstract: A resonant transducer comprising: a vibration plate; and a piezoelectric element including a piezoelectric film and an upper electrode that are laminated on the vibration plate, wherein a compressive stress is applied to the piezoelectric film.

Abstract: A resonant transducer comprising: a vibration plate; and a piezoelectric element including a piezoelectric film and an upper electrode, wherein a difference between a Young's modulus of the vibration plate and a Young's modulus of the piezoelectric film is not more than 20% with respect to the Young's modulus of the vibration plate.