Abstract: According to one embodiment, a particle beam accelerator comprising: an injection unit configured to inject a particle beam; a guiding unit configured to guide the particle beam to a trajectory; an acceleration unit configured to accelerate the particle beam circulating on the trajectory; an emission unit configured to output the particle beam; a particle beam blocking unit configured to block the particle beam on the trajectory; a control unit configured to control the injection unit, the guiding unit, the acceleration unit, the emission unit, and the particle beam blocking unit, wherein: the guiding unit includes a superconducting electromagnet and a superconducting electromagnet interrupter configured to interrupt the superconducting electromagnet, the control unit is configured to change a starting sequence of the particle beam blocking unit and the superconducting electromagnet interrupter depending on at least an operating state of the emission unit, when an abnormality occurs in the superconducting ele

Abstract: According to one embodiment, a particle beam accelerator comprising: a guiding unit configured to guide a particle beam to a trajectory; an acceleration unit configured to accelerate the particle beam circulating on the trajectory; a particle beam blocking unit configured to block the particle beam on the trajectory; and a control unit configured to control the guiding unit, the acceleration unit, and the particle beam blocking unit, wherein: the guiding unit includes a superconducting electromagnet and a superconducting electromagnet interrupter configured to interrupt the superconducting electromagnet, and the control unit is configured to interrupt the superconducting electromagnet by activating the superconducting electromagnet interrupter after completion of blocking the particle beam by activating the particle beam blocking unit, when an abnormality occurs in the superconducting electromagnet.

Abstract: A dielectric barrier discharge electrode of an embodiment has: a dielectric; a first electrode provided to be exposed on the dielectric; a second electrode provided to be covered by the dielectric; and a third electrode provided to be covered by the dielectric in a neighborhood of the first electrode.

Abstract: A dielectric barrier discharge electrode of an embodiment has: a dielectric; a first electrode provided to be exposed on the dielectric; a second electrode provided to be covered by the dielectric; and a third electrode provided to be covered by the dielectric in a neighborhood of the first electrode.

Abstract: A method for manufacturing an epitaxial silicon wafer enables to lower carbon concentration in an epitaxial film. The method forming an epitaxial silicon wafer where an epitaxial film is formed on a silicon wafer in a reaction chamber including a wafer-holding susceptor that separates an upper and lower space communicating through a predetermined gap includes steps of forming a flow of a processing gas flowing laterally along an upper surface of the wafer in the upper space and a flow of a main purging gas flowing towards the susceptor upwardly in the lower space being formed simultaneously, setting a flow rate ratio of the main purging gas flow rate to the processing gas flow rate to be 1.0/100 to 1.5/100 where the processing gas flow rate is set as 100, and controlling a pressure in the upper space to be within an atmospheric pressure ±0.2 kPa at least.

Abstract: A rotary irradiation apparatus of an embodiment comprises: a rotating gantry; a superconducting electromagnet being installed in the rotating gantry and forming at least one of a deflecting magnetic field that deflects a trajectory of a charged particle beam and a convergent magnetic field that converges the charged particle beam to guide the charged particle beam to an object to be irradiated; a rotating gantry drive unit that drives/rotates the rotating gantry; and a control device that controls the rotating gantry drive unit to rotate and stop the rotating gantry, while the superconducting electromagnet is being excited and the charged particle beam is not irradiated.

Abstract: A rotary irradiation apparatus of an embodiment comprises: a rotating gantry; a superconducting electromagnet being installed in the rotating gantry and forming at least one of a deflecting magnetic field that deflects a trajectory of a charged particle beam and a convergent magnetic field that converges the charged particle beam to guide the charged particle beam to an object to be irradiated; a rotating gantry drive unit that drives/rotates the rotating gantry; and a control device that controls the rotating gantry drive unit to rotate and stop the rotating gantry, while the superconducting electromagnet is being excited and the charged particle beam is not irradiated.

Abstract: A method for manufacturing an epitaxial silicon wafer enables to lower carbon concentration in an epitaxial film. The method forming an epitaxial silicon wafer where an epitaxial film is formed on a silicon wafer in a reaction chamber including a wafer-holding susceptor that separates an upper and lower space communicating through a predetermined gap includes steps of forming a flow of a processing gas flowing laterally along an upper surface of the wafer in the upper space and a flow of a main purging gas flowing towards the susceptor upwardly in the lower space being formed simultaneously, setting a flow rate ratio of the main purging gas flow rate to the processing gas flow rate to be 1.0/100 to 1.5/100 where the processing gas flow rate is set as 100, and controlling a pressure in the upper space to be within an atmospheric pressure ±0.2 kPa at least.

Abstract: A pressure chamber of each of channels of an inkjet head has a non-rotating body shape around an axis perpendicular to a support substrate on which the pressure chamber is formed. The direction of the pressure chamber corresponding to a rotation angle from a reference position around the axis passing through the pressure chamber is defined as the direction of the pressure chamber. A plurality of channels arranged in a same row in a direction parallel to the substrate includes channels and having the pressure chamber facing different directions. In a same row, channels (e.g. channel 21a1) driven by a same circuit element (e.g. circuit element) are arranged such that the pressure chambers face a same direction.

Abstract: The invention includes a sensor mounted in a through-hole formed in the center of a roller of a roller bearing device, a recording device that records detection signals from the sensors, and an installation jig for installing the recording device in the roller. The installation jig passes through the through-hole, and has a first engagement portion that engages with one axial end portion of the roller from an outer side in an axial direction, and a second engagement portion that engages with the other axial end portion of the roller from the outer side in the axial direction.

Abstract: A liquid ejection head includes an ejection port to eject liquid, a pressure chamber communicating with the ejection port, and a piezoelectric element to pressurize the pressure chamber and eject from the ejection port, the liquid stored in the pressure chamber. At least a part of a wall portion defining the pressure chamber includes a portion where vibration characteristics are different between a pressurized state in which the pressure chamber is pressurized by the piezoelectric element and a depressurized state in which the pressure chamber is depressurized by ejecting the liquid from the ejection port and stopping pressurization to the pressure chamber, and the portion having different vibration characteristics is adapted to reduce pressure fluctuation in the pressure chamber in the depressurized state.

Abstract: The invention includes a sensor mounted in a through-hole formed in the center of a roller of a roller bearing device, a recording device that records detection signals from the sensors, and an installation jig for installing the recording device in the roller. The installation jig passes through the through-hole, and has a first engagement portion that engages with one axial end portion of the roller from an outer side in an axial direction, and a second engagement portion that engages with the other axial end portion of the roller from the outer side in the axial direction.

Abstract: A liquid ejection head includes an ejection port to eject liquid, a pressure chamber communicating with the ejection port, and a piezoelectric element to pressurize the pressure chamber and eject from the ejection port, the liquid stored in the pressure chamber. At least a part of a wall portion defining the pressure chamber includes a portion where vibration characteristics are different between a pressurized state in which the pressure chamber is pressurized by the piezoelectric element and a depressurized state in which the pressure chamber is depressurized by ejecting the liquid from the ejection port and stopping pressurization to the pressure chamber, and the portion having different vibration characteristics is adapted to reduce pressure fluctuation in the pressure chamber in the depressurized state.

Abstract: A piezoelectric element includes, on a base, an underlying layer for controlling crystallinity of a piezoelectric layer, and the piezoelectric layer. The piezoelectric layer includes a crystal with an ABO3-type structure having at least Pb at A sites. In the underlying layer, an interface-with-the-base side is configured including at least Pb and another substance with a different composition rate from that of the piezoelectric layer at the A sites, and a substance with a different composition ratio from that of the piezoelectric layer at B sites. In a layer above the interface-with-the-base side in the underlying layer, the composition rate of the other substance included at the A sites of the underlying layer progressively changes and also the composition ratio of the substance included at the B sites progressively changes, from the interface-with-the-base side toward the interface-with-the-piezoelectric-layer side to approach the composition of the piezoelectric layer.

Abstract: An organ image capture device is provided with an imaging unit, a display unit, and an information extracting unit. The imaging unit images an organ of a living body and acquires an image thereof. The display unit displays, together with the image acquired by imaging by the imaging unit, an indicator for specifying an organ imaging position satisfying an imaging condition including a condition relating to illumination at the time of imaging by the imaging unit. The information extracting unit extracts information necessary for diagnosing the degree of health of the living body from an image which is acquired by imaging by the imaging unit and is within a range specified by the indicator.

Abstract: A pressure chamber of each of channels of an inkjet head has a non-rotating body shape around an axis perpendicular to a support substrate on which the pressure chamber is formed. The direction of the pressure chamber corresponding to a rotation angle from a reference position around the axis passing through the pressure chamber is defined as the direction of the pressure chamber. A plurality of channels arranged in a same row in a direction parallel to the substrate includes channels and having the pressure chamber facing different directions. In a same row, channels (e.g. channel 21a1) driven by a same circuit element (e.g. circuit element) are arranged such that the pressure chambers face a same direction.

Abstract: A degree-of-health outputting device is provided with a display unit, an operating unit, and an output unit. The display unit displays a captured image of a region, the state of which changes according to a degree of health in a living body, and displays a plurality of comparison images having different degrees of health obtained on the basis of a reference image of the region captured prior to the time the abovementioned captured image was acquired for the same living body. The operating unit is provided in order to select one of the plurality of comparison images displayed by the display unit. The output unit (e.g., the display unit) outputs (e.g., displays) information relating to the degree of health of the living body on the basis of the comparison image selected through use of the operating unit.

Abstract: An organ image capturing device includes an imaging unit to image a tongue of a living body, and a computing unit. The computing unit calculates a numerical value indicating a state of at least one of a plurality of indices pertaining to health by way of computations using chromaticity values that are obtained from captured image data of the tongue acquired by the imaging unit.

Abstract: The flow path resistances of ink feeding holes (51, 52) of this pressure-type inkjet head (21) differ from each other. When ink is not being discharged, a driver circuit (46) generates a driving signal for circulating ink, which differs from a driving signal for discharging ink, and applies the driving signal for circulating ink to an actuator (32). The actuator (32) causes the flow rate of ink flowing from the respective ink feeding holes (51, 52) to differ between when ink is being drawn into a pressure chamber (31a) and when ink is being discharged from the pressure chamber (31a) and circulates the ink within the pressure chamber (31a) by being driven on the basis of the driving signal for circulating ink.

Abstract: A level-of-health determining device includes: a characteristic quantity acceptor to which a characteristic quantity extracted from a taken image of an organ of an examinee to be used for level-of-health determination is input; and a determiner which compares the examinee's characteristic quantity input via the characteristic quantity acceptor with a distribution of a characteristic quantity of a population and which thereby determines a disparity of the examinee's physical constitution, which corresponds to an individual difference from other people, and a change of the examinee's physical condition. When determining the disparity of the examinee's physical constitution, the determiner uses, as the distribution of the population's characteristic quantity, a distribution of a characteristic quantity of the other people.