Abstract: A dialysis base unit that is provided separately from a dialysate supply device for delivering dialysate and performs hemodialysis using the dialysate delivered from the dialysate supply device. The dialysis base unit includes a dialysate supply device identifying unit capable of identifying the dialysate supply device connected to the dialysis base unit. A dialysis system includes the dialysate supply device for delivering dialysate and the dialysis base unit.

Abstract: A nitride semiconductor light emitting element includes a multi-quantum well layer including AlGaN, and including a plurality of well layers and producing light by combining carriers and emitting deep ultraviolet light with a central wavelength of 250 nm to 350 nm, a metal electrode part including Al that is located above the multi-quantum well layer and reflects a first light that is a part of the light produced by the multi-quantum well layer and travels upward, a multi-stacked semiconductor layer that is located between the multi-quantum well layer and the metal electrode part, includes a plurality of p-type semiconductor layers including p-type AlGaN, and is configured in such a manner that the first light travels out and back therewithin via reflection at the metal electrode part until meeting a second light that is a part of the light produced by the multi-quantum well layer and travels downward, and an ITO contact electrode part provided between the metal electrode part and the multi-quantum well layer

Abstract: A nitride semiconductor light-emitting element includes an active layer that emits ultraviolet light, a p-type AlGaN-based electron blocking stack body that is located on the active layer and has a structure formed by sequentially stacking a first electron blocking layer, a second electron blocking layer and a third electron blocking layer from the active layer side, and a p-type contact layer located on the electron blocking stack body. An Al composition ratio in the second electron blocking layer is lower than an Al composition ratio in the first electron blocking layer, and an Al composition ratio in the third electron blocking layer decreases from the second electron blocking layer side toward the p-type contact layer side.

Abstract: An air trap chamber is provided with a chamber body and a filter. An introduction pipe of the chamber body is provided so as to extend to the inside of the chamber body , and an inlet port which is an end opening of the introduction pipe is provided, on the inner circumferential surface of the chamber body, so as to be directed toward the circumferential direction. The filter is provided inside the chamber body, and covers an outlet port of the chamber body. Openings are formed, at multiple stages along the center axis direction, in the cylindrical portion of the filter. An opening at an upper stage on the ceiling portion side of the filter has a circumferential width greater than that of an opening at a lower stage on the outlet port side.

Abstract: A nitride semiconductor light-emitting element includes an active layer including an AlGaN-based barrier layer, a p-type contact layer located on an upper side of the active layer, and an electron blocking stack body located between the active layer and the p-type contact layer. The electron blocking stack body includes a first electron blocking layer and a second electron blocking layer. The first electron blocking layer is located on the active layer side and has a higher Al composition ratio than an Al composition ratio in the barrier layer. The second electron blocking layer is located on the p-type contact layer side and has a lower Al composition ratio than an Al composition ratio in the barrier layer.

Abstract: A semiconductor light emitting device includes: a light emitting part for emitting ultraviolet light; and a coating part that coats an extraction surface from which the ultraviolet light emitted by the light emitting part is extracted. The coating part includes a resin matrix having a refractive index lower than a refractive index of an inorganic material forming the extraction surface and a hollow part that lowers a refractive index of the coating part as a whole by being dispersed in the resin matrix. The hollow part has an average particle diameter smaller than a peak wavelength of the ultraviolet light emitted by the light emitting part.

Abstract: A pressurizing device includes: a mounting base; an upper mold which pressurizes the target object mounted on the mounting base from above; a heating lower mold which is a lower mold heated in advance by a heater, and which heats the target object under pressure by sandwiching the mounting base with the upper mold; a cooling lower mold which is a lower mold cooled in advance by a cooler, and which cools the target object under pressure by sandwiching the mounting base with the upper mold; and a control device which switches the lower mold that contributes to the pressurization of the target object to the heating lower mold or the cooling lower mold in accordance with the status of progress of the pressurization process for the target object.

Abstract: When a pipe pressure of a common discharge pipe during an independent discharge step in which only one reciprocating pump among a plurality of reciprocating pumps discharges a fluid to the common discharge pipe differs from internal pressures in pump chambers of the respective reciprocating pumps at discharge step start point angles, a stroke adjustment mechanism adjusts, on the basis of a pressure difference ?P therebetween, effective stroke lengths of cross heads connected to plungers of the predetermined reciprocating pumps so that the internal pressures in the pump chambers reach the pipe pressure at the discharge step start point angles.

Abstract: A non-pulsation pump is provided with: a cam mechanism that converts the rotational motion of a shared motor into reciprocal motion having a prescribed phase difference; a plurality of cross heads that make reciprocal motion with a prescribed phase difference through the cam mechanism; and a plurality of reciprocating pumps that are driven with a prescribed phase difference and that include plungers connected to the cross heads, wherein the total discharge flowrate toward a shared discharge pipe is kept constant. This non-pulsation pump includes a preliminary compression step for moving the plungers of the reciprocating pumps to a discharge side by very small amounts before a discharging step but after a suction step, and has a stroke adjustment mechanism for adjusting the effective stroke length of the plunger in the preliminary compression step. Thus, generation of pulsation can be suppressed even when the set pressure changes.

Abstract: A fluid sterilization apparatus includes: a flow passage tube in which a processing passage where a passing fluid is sterilized is formed; a first light source that irradiates the processing passage with ultraviolet light; an inflow passage formed in a direction that intersects an outer circumferential surface of the flow passage tube; and a communication passage that causes the inflow passage to communicate with the processing passage. The communication passage has a narrow passage in the middle of a path from the inflow passage toward an opening of a first end, the narrow passage being narrower than a passage toward the inflow passage.

Abstract: A light-emitting module includes: a package substrate that is provided with a recessed portion having an opening at an upper surface thereof; a light-emitting device that is housed in the recessed portion; a window member that is provided on the upper surface such that the window member covers the opening; and a sealing portion that bonds the package substrate and the window member. The window member includes a lens portion facing the light-emitting device and a flange portion that projects from the lens portion and bonds to the sealing portion. The lens portion and the flange portion are formed of the same glass material.

Abstract: A cell support composite includes: a substrate formed of an artificial material; a laminin molecule or a fragment thereof which adheres to at least a part of the substrate; and a renal tubule epithelial cell or a renal tubule epithelial-like cell which is a culture cell attached to the substrate via the laminin molecule or the fragment thereof.

Abstract: A nitride semiconductor light-emitting element includes an n-type cladding layer including n-type AlGaN, and an active layer that includes AlGaN and is located on the n-type cladding layer. Si concentration distribution in a direction of stacking the n-type cladding layer and the active layer has a local peak in the active layer.

Abstract: A method of manufacturing a semiconductor light emitting device includes: forming an active layer of an aluminum gallium nitride (AlGaN)-based semiconductor material on an n-type clad layer of an n-type AlGaN-based semiconductor material; forming a p-type semiconductor layer on the active layer; dry-etching portions of the p-type semiconductor layer, the active layer, and the n-type clad layer so as to expose a partial region of the n-type clad layer; causing nitrogen atoms (N) to react with the partial region of the n-type clad layer exposed; and forming an n-side electrode on the partial region of the n-type clad layer that the nitrogen atoms are caused to react with.

Abstract: An optical semiconductor apparatus includes: an optical semiconductor device including a translucent support substrate; a buffer layer on the support substrate, a seal ring in a frame shape provided in an outer region on the buffer layer, an active layer provided on an inner region of the buffer layer, and an electrode provided on the active layer. The optical semiconductor apparatus further including: a package substrate on which the optical semiconductor device is mounted; and a sealing part that seals a space between the seal ring and the package substrate.

Abstract: A semiconductor light-emitting device includes a semiconductor light-emitting element that emits ultraviolet light, a package substrate mounting the semiconductor light-emitting element, a sealing resin that seals the semiconductor light-emitting element, and a coat film further provided between a light output surface of the semiconductor light-emitting element and the sealing resin. The refractive index of the coat film and the refractive index of the sealing resin are smaller than the refractive index of a member constituting the light output surface of the semiconductor light-emitting element, and the refractive index difference between the coat film and the sealing resin is not more than 0.15.

Abstract: An optical semiconductor apparatus includes: a package substrate that includes a recess that opens on a top surface of the package substrate; a light emitting device housed in the recess; a window member provided to cover an opening of the recess; and a sealing structure that seals a space between the package substrate and the window member. The sealing structure includes a first metal layer provided in a shape of a frame on the top surface of the package substrate, a second metal layer provided in a shape of a frame on an inner surface of the window member, and a metal bonding part provided between the first metal layer and the second metal layer. An entirety of one of the first and second metal layers is positioned in a region where the other of the first and second metal layers is provided.

Abstract: A sterilization apparatus is provided at a discharge port for supplying a liquid. The sterilization apparatus includes: an annular light guide that has a connection end that is connected to the discharge port and an open end that is on the opposite side of the connection end, and that forms a flow passage communicating with the discharge port; and a light source that allows ultraviolet light to enter the light guide such that the ultraviolet light is transmitted through the light guide while being reflected between an inner circumferential surface and an outer circumferential surface of the light guide. The sterilization apparatus irradiates a liquid that is in contact with the inner circumferential surface of the light guide with the ultraviolet light for sterilization.

Abstract: Provided is a flowing-water sterilization system that includes a flow channel for passing seawater to be sterilized, and a light source emitting ultraviolet light to irradiate the seawater passing through the flow channel, wherein the light source includes a light-emitting diode that emits light not including infrared light. The light-emitting diode may emit ultraviolet light that has a wavelength of not less than 250 nm and not more than 350 nm and does not include light with a wavelength of not more than 200 nm. The system may further include a cooling unit for cooling the light source.

Abstract: This dialysis-fluid supply system, which mixes a diluent and at least two drugs to generate a dialysis fluid, and outputs said dialysis fluid, is provided with: two tanks which mix the drugs and the diluent to generate the dialysis fluid, and store said dialysis fluid; a water supply device and a drug supply device which supply the diluent and the drugs to each of the tanks; mechanisms for outputting, to a dialysis device, the dialysis fluid stored in each of the tanks; and a control unit for controlling the driving of these. During output of the dialysis fluid from at least one of the tanks, the control unit sequentially switches the supply destination tank for the drugs and the diluent, and the dialysis-fluid output source tank, between the two tanks in order to generate the dialysis fluid in the other tank.