Abstract: A drive support unit of a turbo compressor includes at least one bearingless motor. The at least one bearingless motor includes a rotor-stator pair constituted by a rotor and a stator, and is configured to rotationally drive a drive shaft and to support a radial load of the drive shaft in a contactless manner. Accordingly, it is possible to provide a turbo compressor to which a bearingless motor is applied.

Abstract: A substrate processing apparatus includes: a temperature raising part for raising a temperature of a first sulfuric acid; a mixing part for mixing the first sulfuric acid where the temperature is raised by the temperature raising part with a moisture-containing liquid to generate a mixed solution; and a discharging part for discharging the mixed solution onto a substrate inside a substrate processing part. The mixing part includes: a joining portion where a sulfuric acid supply line through which the first sulfuric acid where the temperature is raised by the temperature raising part flows and a liquid supply line through which the first sulfuric acid where the temperature is raised by the temperature raising part and the moisture-containing liquid flows are joined; and a reaction suppression mechanism for suppressing a reaction between the first sulfuric acid and the moisture-containing liquid in the joining portion.

Abstract: A printing apparatus and a printing method that make it easy to visually confirm whether a printing defect has occurred are provided. A printing method according to an application example includes printing of image in which an image is printed onto a medium by a printing apparatus, detecting of state in which a state change is detected during operations of the printing apparatus in the printing of image, and printing of information in which state change information is printed onto the medium, based on the state change detected in the detecting of state. The state change information is associated with a position in the image where the state change is detected.

Abstract: An ultrasonic device includes a first element row in which ultrasonic transducer elements are arranged at line-symmetrical positions along a first straight line, where a second straight line orthogonal to the first straight line is the axis of symmetry, and are connected to a first interconnect, and a second element row in which ultrasonic transducer elements are arranged at line-symmetrical positions adjacent to the first element row, where the second straight line is the axis of symmetry, and are connected to a second interconnect. When the distance between a k-th element included in the first element row and a k-th element included in the second element row is represented by Dk, a relationship Dk<Dk+1 is satisfied with respect to at least one value of “k”.

Abstract: A printing apparatus and a printing method that make it easy to visually confirm whether a printing defect has occurred are provided. A printing method according to an application example includes printing of image in which an image is printed onto a medium by a printing apparatus, detecting of state in which a state change is detected during operations of the printing apparatus in the printing of image, and printing of information in which state change information is printed onto the medium, based on the state change detected in the detecting of state. The state change information is associated with a position in the image where the state change is detected.

Abstract: An acoustic matching material supply device includes a frame portion that may be attachable to an ultrasonic probe that includes an ultrasonic sensor surface. The frame portion ejects an acoustic matching material. The frame portion includes an inner peripheral surface, an ejection port, an introduction port, and a flow passage. The ejection port is provided on the inner peripheral surface or in a region including the inner peripheral surface, and ejects the acoustic matching material. The introduction port receives the acoustic matching material from a device external of the frame portion. The flow passage extends between the ejection port and the introduction port, and the ejection port and the introduction port communicate with each other via the flow passage.

Abstract: A control part includes a transmission angle control unit that controls a transmission angle of ultrasonic waves transmitted from three ultrasonic arrays, a first reflected wave measuring unit that measures a first arrival time of a first reflected wave which is reflected by a blood vessel and is first to arrive at the ultrasonic arrays, a second reflected wave measuring unit that measures a second arrival time of a second reflected wave which arrives at the ultrasonic arrays after a predetermined time from the first arrival time, an outside diameter computation unit that computes an outside diameter of the blood vessel based on the first arrival time of three first reflected waves, and an inside diameter of the blood vessel computation unit that computes an inside diameter based on the second arrival time of three second reflected waves.

Abstract: An ultrasonic device unit includes a substrate having a planar part and a recess part recessed from the planar part, an ultrasonic device which has an element array including a plurality of thin film ultrasonic transducer elements disposed in an array and is disposed in the recess part, a first flexible printed board, one end of which is superimposed on a portion of an array surface of the ultrasonic device and connected to the same, the other end of which is superimposed on a portion of the planar part and connected to the same, wherein the array surface of the ultrasonic device which the one end of the first flexible printed board is superimposed on is positioned within a plane including the planar part or a plane outside of the recess part.

Abstract: An ultrasonic device includes a first element row in which ultrasonic transducer elements are arranged at line-symmetrical positions along a first straight line, where a second straight line orthogonal to the first straight line is the axis of symmetry, and are connected to a first interconnect, and a second element row in which ultrasonic transducer elements are arranged at line-symmetrical positions adjacent to the first element row, where the second straight line is the axis of symmetry, and are connected to a second interconnect. When the distance between a k-th element included in the first element row and a k-th element included in the second element row is represented by Dk, a relationship Dk<Dk+1 is satisfied with respect to at least one value of “k”.

Abstract: An ultrasonic device unit includes a substrate having a planar part and a recess part recessed from the planar part, an ultrasonic device which has an element array including a plurality of thin film ultrasonic transducer elements disposed in an array and is disposed in the recess part, a first flexible printed board, one end of which is superimposed on a portion of an array surface of the ultrasonic device and connected to the same, the other end of which is superimposed on a portion of the planar part and connected to the same, wherein the array surface of the ultrasonic device which the one end of the first flexible printed board is superimposed on is positioned within a plane including the planar part or a plane outside of the recess part.

Abstract: A piezoelectric sensor device includes a piezoelectric element, a polarization processing unit and a controller. The piezoelectric element has a pair of electrodes sandwiching a piezoelectric body. The polarization processing unit is configured to execute polarization processing in which polarization voltage is applied to the polarization element.

Abstract: A piezoelectric sensor device includes a piezoelectric element, a signal processing unit, a polarization processing unit and a connection switching unit. The piezoelectric element has a piezoelectric body and a pair of electrodes sandwiching the piezoelectric body. The signal processing unit is configured to execute at least one of signal input from the piezoelectric element, and signal output to the piezoelectric element. The polarization processing unit is configured to execute polarization processing in which polarization voltage is applied to the piezoelectric element. The connection switching unit is configured to switch between a first connection state with which the electrodes and the signal processing unit are connected, and a second connection state with which the electrodes and the polarization processing unit are connected.

Abstract: The present invention provides an undercoat solution including a radical-polymerizable compound having a phosphoric acid group, an ink-jet recording method including applying an undercoat solution containing a radical-polymerizable compound having a phosphoric acid group; partially curing the applied undercoat solution; and discharging an ink, which is curable by irradiation with an active energy ray, onto the partially cured undercoat solution to record an image, and an ink-jet recording device including an undercoat solution application unit which applies an undercoat solution containing a radical-polymerizable compound having a phosphoric acid group; an undercoat solution curing unit which partially cures the undercoat solution; and an image recording unit which discharges an ink onto the partially cured undercoat solution to record an image.

Abstract: A liquid application apparatus has: an application member that has an application surface applying a liquid onto a medium; a holding member that abuts against the application surface of the application member so as to form a liquid holding space in which the liquid is held; a liquid application device that rotates the application surface of the application member in such a manner that the liquid supplied from the holding member to the application surface is applied onto the medium; a storage device that stores the liquid; a first flow channel and a second flow channel that connect the storage device to the holding member; a liquid movement device that causes oscillation of the liquid in the first flow channel, the second flow channel and a flow channel including the liquid holding space to generate a flow of the liquid; and a controller that controls the liquid movement device to generate the flow of the liquid caused by the oscillation in such a manner that a product which is generated from the liquid, has a

Abstract: The inkjet recording method includes: a treatment liquid depositing step of applying treatment liquid onto a recording medium on a treatment liquid drum; an image forming step of ejecting ink from a line inkjet head to deposit the ink onto the recording medium on which the treatment liquid has been deposited on a circumferential surface of an image formation drum, the ink containing at least a resin dispersant (A), a pigment (B) that is dispersed by the resin dispersant (A), self-dispersible polymer micro-particles (C) and an aqueous liquid medium (D), the ink having one of a solid component that is aggregated upon making contact with the treatment liquid and a solid component that is precipitated upon making contact with the treatment liquid; and a drying step of drying a solvent in the ink having been deposited on the recording medium on a drying drum.

Abstract: A piezoelectric sensor device includes a piezoelectric element, a polarization processing unit and a controller. The piezoelectric element has a pair of electrodes sandwiching a piezoelectric body. The polarization processing unit is configured to execute polarization processing in which polarization voltage is applied to the polarization element.

Abstract: A piezoelectric sensor device includes a piezoelectric element, a signal processing unit, a polarization processing unit and a connection switching unit. The piezoelectric element has a piezoelectric body and a pair of electrodes sandwiching the piezoelectric body. The signal processing unit is configured to execute at least one of signal input from the piezoelectric element, and signal output to the piezoelectric element. The polarization processing unit is configured to execute polarization processing in which polarization voltage is applied to the piezoelectric element. The connection switching unit is configured to switch between a first connection state with which the electrodes and the signal processing unit are connected, and a second connection state with which the electrodes and the polarization processing unit are connected.

Abstract: A liquid coating apparatus has: a coating roller which has a coating surface; a liquid holding unit which abuts against the coating surface of the coating roller so as to form a liquid holding space; a medium support member which faces the coating surface in such a manner that the medium support member and the coating roller nip and support the medium; an abutment pressure-varying device which adjusts at least one of a first abutment pressure between the coating surface of the coating roller and the liquid holding unit and a second abutment pressure between the coating surface of the coating roller and the medium; and a control device which controls the abutment pressure-varying device according to a relative position of the medium with respect to the coating roller, wherein the coating roller rotates while the medium is sandwiched by the medium support member and the coating roller in such a manner that the liquid is fed to the coating surface from the liquid holding unit and the liquid is transferred to the

Abstract: An ink jet recording method comprising: applying an undercoating liquid containing a polymer onto a recording medium; partially curing the undercoating liquid that has been applied onto the recording medium; and recording an image by ejecting an ink that is curable by irradiation with actinic energy onto the partially cured undercoating liquid. According to the invention, an image having excellent uniformity between various types of recording mediums can be recorded, irrespective of the type of the recording medium; ink bleeding or unevenness in line width or color due to coalescence of the ink droplets can be effectively suppressed; and an image can be well reproduced to details with high density while maintaining a uniform dot diameter, irrespective of the form of the image, when an image having low dot density is recorded with a small amount of a liquid (e.g., an image having low resolution or density).

Abstract: The liquid application apparatus applies liquid to media of a plurality of types having different widths in a widthwise direction that is perpendicular to a direction of conveyance of the media. The liquid application apparatus includes: a liquid application member which has an application surface applying the liquid to the media; and a liquid holding member which has a plurality of recesses arranged in the widthwise direction, a plurality of liquid supply ports arranged respectively in the recesses, and a plurality of liquid discharge ports arranged respectively in the recesses, the liquid holding member forming a plurality of liquid chambers with the recesses by abutting against the application surface of the liquid application member.