Abstract: A method of manufacturing a photoelectric conversion element according to the present disclosure includes: a first placement step in which a first semiconductor substrate on which a first thin film and a second thin film are not formed is placed in a first film forming place (81) in a first film forming chamber (61); a second placement step in which a second semiconductor substrate on which the first thin film is formed on a first-principal-surface side and the second thin film is not formed on a second-principal-surface side is placed in a second film forming place (82) in the chamber (61); and a first film forming step in which forming of the first thin film on the first-principal-surface side of the first semiconductor substrate and forming of the second thin film on the second-principal-surface side of the second semiconductor substrate are executed in the same period in the chamber (61).

Abstract: To provide a gas-driven type valve device that is capable of mounting various electronic devices, and includes a power generation function that solves problems involving wiring or battery replacement. The problem is solved by a valve device including an actuator including a housing part, and a movable part housed in the housing part and driven by a driving fluid to move a valve element in a closing direction or an opening direction, a spring member that presses the movable part in a direction against a driving force of the driving fluid, and a power-generating and vibration-damping unit including that uses a piezoelectric effect of a piezoelectric element to exercise a power generation function of converting a vibration generated in a vibration system by an activation of the actuator into electric power, and a vibration-damping function of suppressing a vibration applied to a device.

Abstract: In an information processing method, a query including a first encrypted feature value provided with confidential information unique to a user is received. The first encrypted feature value is generated by encrypting a first feature value calculated from privacy data of the user by using inner product encryption. A plurality of inner product values are acquired by computing an inner product of the first encrypted feature value and each of a plurality of second encrypted feature values. Privacy data of a plurality of pieces of privacy data having an inner product value of the first encrypted feature value and a second encrypted feature value with an encrypted reference feature value calculated from the privacy data being equal to or smaller than a predetermined threshold is transmitted. A secret key of the user is identified by using the confidential information when an unauthorized access is detected, and identification information is outputted.

Abstract: A method for detecting the concentration of a specified gas contained in a mixed gas includes, in a pressure-type flow rate control device including a restriction portion, an upstream valve provided upstream of the restriction portion, and a pressure sensor for measuring the pressure between the restriction portion and the upstream valve, a step of flowing the mixed gas from the upstream side of the upstream valve in a state in which the pressure on the downstream side of the restriction portion is lower than the pressure on the upstream side of the restriction portion, a step of determining with a pressure sensor pressure drop characteristics occurring after the upstream valve is changed from an open to a closed state, and a step of determining the concentration of the specified gas in the mixed gas based on the pressure drop characteristics.

Abstract: A fluid control apparatus includes a gas line unit detachably attached to a frame. The gas line unit includes a line support member to which a fluid control device is attached. The frame includes: a first horizontal frame member; and a second horizontal frame member located below the first horizontal frame member. The first horizontal frame member includes: a hooking member extending in a left-right direction; and a lower portion which is located below the hooking member and in which a plurality of first grooves that are open to front are formed. The line support member includes: a device placement portion; and a pair of side plate portions protruding rearward from right and left edges of the device placement portion. Each of the side plate portions includes: a base portion located below the hooking member; and an upper portion located above the base portion and behind the hooking member.

Abstract: A sheet feeding device includes a sheet loader, a sheet feeder, a misfeeding detector, a memory, and circuitry. The sheet loader is configured to load a sheet of a sheet bundle. The sheet feeder is configured to feed a sheet from the sheet bundle loaded on the sheet loader. The misfeeding detector is configured to detect a misfeeding of the sheet. The memory is configured to store sheet feed information on sheet feeding. The circuitry is configured to change a sheet feed setting based on the sheet feed information stored in the memory and perform a retry sheet feeding at a detection of the misfeeding by the misfeeding detector.

Abstract: Provided is a video display device wearable on the head of a user, wherein the video display device includes a video display unit capable of switching two or more display methods, a control unit for indicating a display method to the video display unit, a first detection unit for detecting the motion of the head of a user, a second detection unit for detecting the motion of the point of view of the user, and a motion determination unit for determining the motion state of the device user by using the output from the first detection unit and the output from the second detection unit. The control unit indicates a change of display methods to the video display unit in accordance with the determination result of the motion determination unit.

Abstract: A solar cell module laying system is configured to lay a plurality of solar cell modules on a wall surface rising in a substantially vertical direction. The plurality of solar cell modules includes a first solar cell module and a second solar cell module adjacent to each other, and the two adjacent solar cell modules have an overlapping region. The terminal box is disposed between the two adjacent solar cell modules and in the overlapping region, and a configuration satisfies the following condition (1) or (2). (1) A part of the terminal box is exposed toward an outside of a gap. (2) A part of the gap is closed by a member, the member can be attached to and removed from the gap, and a part of the terminal box is exposed toward the outside of the gap when the member is removed from the gap.

Abstract: A head-mounted display (101) includes: an imaging assembly (203) imaging scenery seen by a user to generate a source picture; a storage unit (202) storing color correction factors used for correcting brightness of each of a red, green and blue color components included in a picture; a correction picture generator (212) performing color correction processing for enhancing a color component with a relatively low color correction factor stored in the storage unit (202), of the red, green and blue color components forming the source picture, to generate a correction picture; a picture display assembly (207) displaying the correction picture in the field of view of the user under a condition where he/she is able to perceive the outside world; and a special picture processor (213) performing picture processing for overlaying the correction picture and the source picture on each other for display.

Abstract: A physical quantity measuring device includes: a cylindrical portion having therein an inner space; a first case provided to a first end of the cylindrical portion; a sensor unit housed in the first case; a second case provided to a second end of the cylindrical portion; a circuit portion housed in the second case; a heat insulating portion disposed to face the sensor unit; a sealing portion that defines a hermetic seal between the heat insulating portion and an inner circumferential surface of the cylindrical portion; a first partition member that separates the sensor unit from the inner space at the first end; and a heat-insulative second partition member that is in contact with an opening edge or the inner circumferential surface of the second end and separates the inner space from the circuit portion near the second end.

Abstract: In an optical scanner 100, a vibration portion 101 includes first and third elements 3021 and 3023 that vibrate a light guide path 102 in a direction substantially perpendicular to an optical axis direction, and second and fourth elements 3022 and 3024 that vibrate the light guide path in a direction substantially perpendicular to a vibration direction thereof. A driving signal is applied to each of electrodes 3011 to 3014, each of which corresponds to one electrode of each of the first to fourth elements, and the other electrode 3015 is used as a common electrode having a floating potential. A driving signal generator 1007 generates a driving signal such that a median value of driving signals Vy1and Vy2 applied to the first and third elements and a median value of driving signals Vx1 and Vx2 applied to the second and fourth elements correspond to substantially the same value.

Abstract: A fluid flow path of a joining block includes a vertical flow path and a horizontal flow path. The joining block is constrained on a rail member so as to be capable of moving in a longitudinal direction. A fluid control device is supported by the rail member via the joining block and includes a screw hole, and a tightening bolt that has passed through a body of the fluid control device is screwed into the screw hole. A gasket between the joining block and the body is compressed between the body and the joining block by a tightening force of the tightening bolt. The screw hole includes the tip portion closed above the horizontal flow path and at least partially overlaps the horizontal flow path in a planar view.

Abstract: An optical scanning device includes: an optical scanning unit configured to repeatedly scan an irradiation destination of irradiation light to a predetermined trajectory; a light emission control unit configured to control light emission of the irradiation light to irradiate irradiation points to the predetermined trajectory; and a driving signal generation unit configured to generate a driving signal for driving the optical scanning unit, wherein the light emission control unit irradiates the irradiation points to the predetermined trajectory so that the irradiation points are substantially uniformly dispersed in a region in which a density of the irradiation points is relatively low in a region in which the irradiation light is irradiated.

Abstract: A master key generation device generates a master public key and a master secret key. A user key generation device generates a user public key and a user secret key by using the master public key. An administration device acquires an arithmetic procedure. A data save unit saves data encrypted with the user public key as encryption data. The administration device selects, from the data save unit, encryption data which has been encrypted from data to be used for the arithmetic procedure. The administration device performs homomorphic operation on the encryption data based on the arithmetic procedure, and outputs the operation result of the homomorphic operation as an encryption operation result. A master decryption device acquires the encryption operation result, and decrypts the acquired encryption operation result with the master secret key.

Abstract: An ultrasound imaging probe capable of securing an assembly accuracy of and improving a resolution performance of an obtained image is provided. A photoacoustic catheter includes: a silicon substrate which includes an ultrasonic transducer for detecting an ultrasonic wave formed thereon and a through hole passing through front and rear surfaces; an optical fiber which oscillates a laser; a lens which condenses the laser and is arranged within the through hole; a tubular housing; a glass cover which covers the lens; and a resin which fills a gap between the through hole and the lens. Further, the silicon substrate and the optical fiber are fixed to a part of the housing in the housing.

Abstract: A screw hole of an upstream side joining block is formed only on an upstream side of a flow path port thereof in a longitudinal direction, a screw hole of a downstream side joining block is formed only on a downstream side of a flow path port thereof in the longitudinal direction and, between a guide part and an engaging part, an alignment mechanism aligns the positions of the upstream side and the downstream side joining blocks in a horizontal direction orthogonal to the longitudinal direction of the guide part to a center position of the guide part by using a portion of a reaction force that resists a bending force produced by the tightening force of a tightening bolt on a body and the upstream side and the downstream side joining blocks connected to each other.

Abstract: A data search method of a first device storing multiple sets of privacy data acquired from multiple persons and multiple reference features corresponding to the multiple sets of privacy data, where the multiple reference features each are expressed by an n-dimensional vector, includes receiving first encrypted features from a second device connected to the first device, generating multiple second converted features by a second conversion of the multiple reference features, generating of multiple second encrypted features by encrypting the multiple second converted features using inner product encryption, acquiring multiple inner product values by performing inner product computation of each of the first encrypted features and the multiple second encrypted features, determining whether or not the first features and the first reference features are similar, and transmitting of first privacy data corresponding to the first reference features out of the multiple sets of privacy data to the second device.

Abstract: A method of producing a polishing head including: a backing pad, for holding a workpiece back surface, stuck on a lower portion of a rigid body; and a ring template, for holding a workpiece edge, disposed on a lower surface of the backing pad. This polishing head brings a front surface of the workpiece into sliding contact with a polishing pad attached on a turn table while holding the workpiece back surface on the lower surface of the backing pad. The method includes sticking the backing pad on the lower portion of the rigid body with a double-sided tape under a reduced pressure without heating; and sticking the template on the backing pad with a double-sided tape or a liquid or paste reaction curable adhesive containing no solvent under a reduced pressure without heating. This method can polish the workpiece into a very flat workpiece.

Abstract: A method of obtaining a shared prediction model is provided. The method includes: obtaining a prediction model as a neural network; converting each negative numerical value in a plurality of parameters included in the prediction model to a positive numerical value to obtain a converted prediction model; and sharing the converted prediction model by a secret sharing method to obtain shared prediction models while concealing an input data.

Abstract: Treatment with an acoustic catheter is disclosed. A photoacoustic catheter system includes an imaging laser beam generator that generates an imaging laser beam used for imaging; a treatment laser beam generator that generates a treatment laser beam used for treatment; a driver that provides driving to cause the imaging laser beam and the treatment laser beam to be emitted in a predetermined direction with respect to an advancing direction of a catheter; an acoustic element that receives an acoustic wave generated due to irradiation of the imaging laser beam; and a treatment laser beam controller, wherein the treatment laser beam controller synchronously emits the imaging laser beam and the treatment laser beam so as to be directionally aligned with each other.