Abstract: A lens apparatus includes a lens holding member configured to hold a lens, a base member including an adhesive holding portion opened in an optical axis direction of the lens to hold an adhesive, the base member being provided on an outer periphery side of the lens holding member, an annular member arranged inside the base member to protrude at least in part from an outer peripheral surface of the lens holding member toward an inner peripheral surface of the base member and intersect with the optical axis direction, and a holding member configured to hold the lens holding member, wherein the annular member is held by the lens holding member and the holding member.

Abstract: A high-speed nano mist is a group of liquid droplets having a particle diameter of 1 nm to 10000 nm and flying at a speed of 50 m/s to 1000 m/s.

Abstract: A camera comprises a camera body for capturing an image formed by a lens apparatus including lenses, and an attitude sensor. A plurality of buttons (a first button and a second button) is arranged on an exterior portion of the lens apparatus, each of the plurality of buttons is assigned a function to be executed by operating the first button and the second button, respectively, and the assigned function is switched in accordance with the attitude of the camera detected by the attitude sensor.

Abstract: A lens apparatus includes a first holder holding a first lens unit and moving, manually or by an external driver, in an optical axis direction, a second holder holding a second lens unit and being electrically driven in the direction, a transmission member supported by the second holder to be movable in a first range in the direction relative to the second holder, a driving unit moving the second holder in the direction via the transmission member, a biasing member biasing the transmission member toward an end of the first range opposite to the first lens unit, and a controller controlling the driving unit. Movable ranges of the first and second holders in the direction overlap each other. The controller determines a relative position between the driving unit and the second holder in the direction, and changes a control of the driving unit based on the relative position.

Abstract: A liquid treatment apparatus includes a water pump and a plasma jet generating device. A liquid inlet of the water pump is immersed in a liquid. A liquid outlet of the water pump is configured to eject the liquid from the liquid inlet out of the water pump without artificial bubbles in the liquid. A gas inlet of the plasma jet generating device is configured to be located out of the liquid. A pair of electrodes of the plasma jet generating device is configured to generate plasma jet by the gas from the gas inlet. The plasma jet outlet is configured to be immersed in the liquid and in proximity to the liquid outlet of the water pump so that the gas is automatically entrained into the gas inlet of the plasma jet generating device when the liquid is ejected out from the liquid outlet.

Abstract: A lens apparatus is provided with movable first and second units, first and second holders for holding the first and second units, a driving unit for electrically driving the second holder, a transmission member movable relative to the second holder in the optical axis direction and transmits driving force to the second holder, a biasing member for biasing the second holder toward the first holder side relative to the transmission member, a controller for controlling the driving unit, and first and second detectors for detecting the positions of the first and second holders, wherein movable ranges of the first and second holders have interference region which interfere with each other, and controller changes a control of driving unit between the interference region where the first and the second holding members interfere each other and an interference-free region based on detection results of the first and second detectors.

Abstract: Provided is a lens barrel including: a fifth lens unit barrel; a fourth lens unit barrel; a linear ultrasonic motor configured to electrically drive the fourth lens unit barrel in an optical axis direction; a rack configured to transfer a driving force of the linear ultrasonic motor to the fourth lens unit barrel; a rack spring configured to bias the rack so that the rack is brought into contact with the fourth lens unit barrel; and a rack guide shaft. The rack guide shaft is fixed to the fourth lens unit barrel. The fourth lens unit barrel and the rack move together in the optical axis direction. When the fifth lens unit barrel is brought into contact with the fourth lens unit barrel, a relative position of the fourth lens unit barrel and the rack in the optical axis direction changes against a biasing force of the rack spring.

Abstract: A lens apparatus includes: a first holder holding a first lens unit and being moved in optical axis direction manually or by an external driver; a second holder holding a second lens unit and being electrically moved in optical axis direction; a first and second detectors respectively detecting positions of the first and second holders; a driving unit configured to move the second holder in optical axis direction; and a controller controlling the driving unit, in which movable ranges of the first and second holders overlap each other in optical axis direction; in which a position of the second holder in optical axis direction corresponds to a position of a movable portion of the driving unit; and wherein the controller changes a control of the driving unit based on a detection of the first and second detectors before the second holder interferes with the first holder.

Abstract: A lens apparatus includes a base member including a rectilinear guide groove portion, a cam barrel including a cam groove portion, a lens holding member provided with a roller member inserted into the rectilinear guide groove portion and the cam groove portion and configured to support a lens unit, a first light amount adjustment unit, a biasing member configured to bias the roller member to the cam groove portion, and a pressing member provided between the first light amount adjustment unit and the lens holding member and configured to press the biasing member, wherein the first light amount adjustment unit includes a rotation regulating portion configured to regulate rotation of the pressing member around an optical axis of the lens unit.

Abstract: A liquid treatment apparatus includes a water pump and a plasma jet generating device. A liquid inlet of the water pump is immersed in a liquid. A liquid outlet of the water pump is configured to eject the liquid from the liquid inlet out of the water pump without artificial bubbles in the liquid. A gas inlet of the plasma jet generating device is configured to be located out of the liquid. A pair of electrodes of the plasma jet generating device is configured to generate plasma jet by the gas from the gas inlet. The plasma jet outlet is configured to be immersed in the liquid and in proximity to the liquid outlet of the water pump so that the gas is automatically entrained into the gas inlet of the plasma jet generating device when the liquid is ejected out from the liquid outlet.

Abstract: Interchangeable lenses 100A, B, C, and D include a focusing lens unit FLU that is to be moved in an optical axis direction to focus, a focus operation ring 103 that moves the focusing lens unit FLU in the optical axis direction, and a custom operation ring 104 that realizes one of a function among a first function and a second function different from the focusing, and a surface of the focus operation ring 103 has a first structure and a surface of the custom operation ring 104 has a second structure different from the first structure.

Abstract: A lens apparatus includes a base member including a rectilinear guide groove portion, a cam barrel including a cam groove portion, a lens holding member provided with a roller member inserted into the rectilinear guide groove portion and the cam groove portion and configured to support a lens unit, a first light amount adjustment unit, a biasing member configured to bias the roller member to the cam groove portion, and a pressing member provided between the first light amount adjustment unit and the lens holding member and configured to press the biasing member, wherein the first light amount adjustment unit includes a rotation regulating portion configured to regulate rotation of the pressing member around an optical axis of the lens unit.

Abstract: A lens apparatus includes a lens holding member configured to hold a lens, a base member including an adhesive holding portion opened in an optical axis direction of the lens to hold an adhesive, the base member being provided on an outer periphery side of the lens holding member, an annular member arranged inside the base member to protrude at least in part from an outer peripheral surface of the lens holding member toward an inner peripheral surface of the base member and intersect with the optical axis direction, and a holding member configured to hold the lens holding member, wherein the annular member is held by the lens holding member and the holding member.

Abstract: An optical apparatus includes an optical unit driven by an actuator, a holder configured to hold the optical unit, and an elastic member that contacts the holder via a first contacting portion and a second contacting portion, and contacts the optical unit via a connecting portion provided between the first contacting portion and the second contacting portion. The elastic member is spaced from the holder between the first contacting portion and the second contacting portion, and spaced from the optical unit between the first contacting portion and the connecting portion and between the connecting portion and the second contacting portion. Part of the elastic member opposite to the connecting portion that contacts the optical unit is spaced from the holder.

Abstract: A photoelectric conversion device includes an n-type semiconductor layer and a p-type semiconductor layer, a collecting electrode formed on the n-type semiconductor layer, and a collecting electrode formed on the p-type semiconductor layer, on a back surface opposite to a light receiving surface of an n-type crystalline silicon substrate, and an n-type semiconductor region on a surface on a light receiving surface side of the n-type crystalline silicon substrate, wherein in the n-type semiconductor region, an n-type semiconductor region that is opposed to the n-type semiconductor layer with the n-type crystalline silicon substrate therebetween and an n-type semiconductor region that is opposed to the p-type semiconductor layer with the n-type crystalline silicon substrate therebetween have different average impurity concentrations.

Abstract: A method for manufacturing a photovoltaic device capable of suppressing decreases in an open-circuit voltage and a fill factor or suppressing the occurrence of a current leak. The method for manufacturing a photovoltaic device includes: (a) forming a pyramidal texture on a first main surface of a silicon substrate; (b) forming a first silicate glass on the first main surface; (c) forming a second silicate glass on the first silicate glass; (d) diffusing the impurities of the first conductivity type contained in the first silicate glass to the first main surface of the silicon substrate; (e) forming a third silicate glass on the second silicate glass; and (f) diffusing impurities of a second conductivity type to a second main surface of the silicon substrate after (e).

Abstract: An optical apparatus includes an optical unit driven by an actuator, a holder configured to hold the optical unit, and an elastic member that contacts the holder via a first contacting portion and a second contacting portion, and contacts the optical unit via a connecting portion provided between the first contacting portion and the second contacting portion. The elastic member is spaced from the holder between the first contacting portion and the second contacting portion, and spaced from the optical unit between the first contacting portion and the connecting portion and between the connecting portion and the second contacting portion. Part of the elastic member opposite to the connecting portion that contacts the optical unit is spaced from the holder.

Abstract: An image stabilizing apparatus includes a fixed member, a shift member that holds an image stabilizing lens and are movable in a plane orthogonal to an optical axis, a plurality of shift drivers that are disposed at positions different from each other in the plane orthogonal to the optical axis, a gel that is held by one of the shift member and the fixed member, and a protrusion that is provided on the other one of the shift member and the fixed member. Each of the plurality of shift drivers includes a magnet held by one of the shift member and the fixed member, a coil that is held by the other one of the shift member and the fixed member, and a yoke that is held by the other one of the shift member and the fixed member, and a portion of the protrusion is immersed in the gel.

Abstract: The rack includes a first member having a first tooth engaged with a lead screw, a second member having a second tooth engaged with the lead screw, a third member having a third tooth engageable with the lead screw, a first forcing unit configured to apply a force between the first and second members, a second forcing unit configured to apply a force between the first member and third members, and a limiter configured to limit a distance between the third tooth and the lead screw so that the third tooth is separated from the lead screw when the first and second teeth are engaged with the lead screw by the force applied by the first forcing unit and a distance between the first tooth and the third tooth is smaller than an outer diameter of the lead screw.

Abstract: A first amorphous silicon i layer and an amorphous silicon p layer are provided on a first main surface, side surfaces, and a peripheral portion of a second main surface of an n-type silicon substrate. A first ITO layer is provided over the first main surface and the side surfaces, a second amorphous silicon i layer and an amorphous silicon n layer are provided on the second main surface, and a second ITO layer having a smaller area than the n-type silicon substrate is provided thereon excluding the peripheral portion. On the peripheral portion of the second main surface, a structure, in which the first amorphous silicon i layer, the amorphous silicon p layer, the second amorphous silicon i layer, and the amorphous silicon n layer are laminated in this order, is provided.