Abstract: Provided is a concealment signal generation unit that acquires learning constellation data and identification constellation data output from a signal processing circuit for optical communication, reduces and conceals the number of pieces of data from each of the pieces of constellation data through random projection, and generates a learning concealment signal and an identification concealment signal based on each piece of constellation data after the reduction and concealment of the number of pieces of data. Provided are a sparse dictionary learning unit that learns a concealment sparse dictionary using a sparse dictionary learning algorithm based on the learning concealment signal; and an identification unit that estimates a state of the optical communication using the concealment sparse dictionary based on the identification concealment signal.

Abstract: A connector includes a terminal including an electric wire connection part electrically connected to a conductive electric wire and an electrical connection part that can be electrically connected to a connection counterpart member; a housing that accommodates and holds the terminal therein; and a heat storage member that is formed in a cylindrical shape by a conductive metal material, that accommodates the electric wire connection part therein, and that covers an outer surface of the electric wire connection part. The heat storage member includes a plurality of inner fins that protrude from an inner surface side and that are disposed while being brought into contact with the outer surface of the electric wire connection part.

Abstract: An optical and electronic integrated switch includes a network processor that controls the functions of the packet switch, a plurality of optical transceivers having photoelectric conversion functions, and a plurality of optical switches. The optical switches include different types of optical core switch and a plurality of optical-path selection switches. The optical transceivers provided near the processor have a regenerative relay function that regenerates optical signals and turns back the optical signals, and perform optical communication with a communication counterpart via the optical switches. In the optical communication, optical switches of the different types can cooperate to set paths for optical cut-through in which path selection is performed such that inputted optical signals are outputted without the intervention of the processor. This optical cut-through can be effectively performed without imposing a signal processing burden that consumes electric power on the processor.

Abstract: Provided is a separation and recovery apparatus for continuously separating and recovering, from a resin mixture containing a resin containing a hydrolyzable polymer and a resin containing a nonhydrolyzable polymer, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the apparatus including: a crushing unit that crushes the resin mixture a melting/discharging unit that melts a crushed product obtained by the crushing unit to form a fluid and discharges the fluid at a high pressure; and a hydrothermal reaction treatment unit that continuously subjects the fluid discharged from the melting/discharging unit to a hydrothermal reaction treatment, wherein, in the melting/discharging unit, the hydrolyzable polymer A is hydrolyzed, and the hydrolytic component a thereof is dissolved and transferred into water permeating a sintered alloy diaphragm, thereby separating the nonhydrolyzable polymer B.

Abstract: The present technology provides a surface emitting laser that can be manufactured with an excellent yield and has a configuration of confining a current and light. The present technology provides a surface emitting laser including a first structure including a first multilayer film reflector, a second structure including a second multilayer film reflector, and a resonator disposed between the first and second structures and including an active layer, in which a joint portion exists in at least one of inside the first structure, inside the second structure, inside the resonator, between the resonator and the first structure, or between the resonator and the second structure, and a first confinement portion that confines a current is provided in at least one of first or second constituent portion joined at the joint portion, and a second confinement portion that confines at least light of a current or light is provided in at least one of the first or second constituent portion.

Abstract: In general, according to one embodiment, a disk device includes a magnetic disk, a magnetic head, a suspension, a ramp, a housing, and a screw. The suspension holds the magnetic head and moves to an unload position. The ramp includes an attachment tab with a through hole. The ramp holds the suspension at the unload position. The housing has a support surface with a screw hole to support the attachment tab. The screw includes a screw head, a screw shaft, and a first contact surface. The screw shaft extends from the screw head in a first direction and is fitted into the screw hole through the through hole. The first contact surface is located on the screw head, tapers in the first direction, and contacts the attachment tab. The screw holds the attachment tab in-between the support surface and the first contact surface.

Abstract: A braided part connection structure includes a braided part having a tubular shape covering an insulated wire along a longitudinal direction of the braided part connection structure and a shield member having a tubular shape and electrically connected and fixed to the braided part. The shield member includes a braided part joining portion having a plurality of openings arranged at intervals along a circumferential direction of the shield member in a portion of the shield member in the longitudinal direction, and a welding portion defined by two openings adjacent to each other of the plurality of openings. The braided part covers the braided part joining portion and is welded to the welding portion.

Abstract: In general, according to one embodiment, a disk device includes a magnetic disk, a magnetic head, a suspension, a ramp, a housing, and a screw. The suspension holds the magnetic head and moves to an unload position. The ramp includes an attachment tab with a through hole. The ramp holds the suspension at the unload position. The housing has a support surface with a screw hole to support the attachment tab. The screw includes a screw head, a screw shaft, and a first contact surface. The screw shaft extends from the screw head in a first direction and is fitted into the screw hole through the through hole. The first contact surface is located on the screw head, tapers in the first direction, and contacts the attachment tab. The screw holds the attachment tab in-between the support surface and the first contact surface.

Abstract: A photonics-electronics convergence switch with which, even if an optical network system is built by combining a plurality of packet switches, the amount of processing in the packet switches does not increase, the optical network system operates with low electric power consumption, and this enables wide-range optical communication between the nodes of a communication origin and of a communication partner, includes a network processor that is an electronic circuit configured to control the functions of the packet switch, a plurality of optical transmitter-receivers having photoelectric conversion functions, and a plurality of optical switches.

Abstract: A semiconductor device capable of securing an insulation distance between a semiconductor element and a wiring. The semiconductor device includes a first semiconductor element, a second semiconductor element, a first wiring, and a second wiring. The first semiconductor element includes a first main surface and a second main surface. An electrode is formed on the first main surface. The second semiconductor element is disposed at a position different from a position of the first semiconductor element in a thickness direction. The first wiring includes an end connected to the electrode. The end includes an upper surface and a cut surface. Diameter of the second wiring is smaller than diameter of the first wiring. The second wiring includes a first end and a second end. The first end is directly connected to the upper surface of the end of the first wiring.

Abstract: Provided is an optical fiber having identification mark, which includes an optical transmission medium (exemplified by glass fiber) including a core part and a cladding part, a primary resin layer coating the optical transmission medium, and a secondary resin layer coating the primary resin layer, in which identification marks for optical fiber identification (exemplified by continuous identification mark) are provided on a surface of the secondary resin layer at a predetermined interval along an axial direction of the optical transmission medium. An effective area of the optical transmission medium at a wavelength of 1550 nm is 90 ?m2 or more, the predetermined interval is 100 mm or more and 500 mm or less, and a Young's modulus of the primary resin layer is 0.9 MPa or less.

Abstract: Provided is an optical fiber having identification mark, which includes an optical transmission medium (exemplified by glass fiber) including a core part and a cladding part, a primary resin layer coating the optical transmission medium, and a secondary resin layer coating the primary resin layer, in which identification marks for optical fiber identification (exemplified by continuous identification mark) are provided on a surface of the secondary resin layer at a predetermined interval along an axial direction of the optical transmission medium. An effective area of the optical transmission medium at a wavelength of 1550 nm is 90 ?m2 or more, the predetermined interval is 100 mm or more and 500 mm or less, and a Young's modulus of the primary resin layer is 0.9 MPa or less.

Abstract: An impeller for a rotary machine includes a base material of the impeller made of Al or an Al alloy. A surface layer for the impeller is formed by an electroless plating layer with a Ni—P based alloy and an under layer disposed between the base material and the surface layer, the under layer having a smaller Vickers hardness than the surface layer.

Abstract: Provided is a method for manufacturing a microbicide having high microbicidal performance for eradicating microbes. This method for manufacturing a microbicide comprises: a step for preparing an inorganic aqueous solution containing an inorganic component having seawater as a raw material thereof, an ozone mixing step for mixing ozone into the inorganic aqueous solution, and a stirring step for stirring the inorganic aqueous solution mixed with ozone and passing through a bubble generation nozzle; wherein, the temperature of the inorganic aqueous solution in the ozone mixing step and the stirring step is 0° C. to 30° C., and when the amount of inorganic aqueous solution treated in the ozone mixing step and the stirring step is defined as X liters and the treatment rate of the ozone mixing step and the stirring step is defined as Y liters/minute, then the microbicide is manufactured by alternately repeating the ozone mixing step and the stirring step for A·X/Y minutes (where A is 30 or more).

Abstract: Provided is a method for manufacturing a microbicide having high microbicidal performance for eradicating microbes. This method for manufacturing a microbicide comprises: a step for preparing an inorganic aqueous solution containing an inorganic component having seawater as a raw material thereof, an ozone mixing step for mixing ozone into the inorganic aqueous solution, and a stirring step for stirring the inorganic aqueous solution mixed with ozone and passing through a bubble generation nozzle; wherein, the temperature of the inorganic aqueous solution in the ozone mixing step and the stirring step is 0° C. to 30° C., and when the amount of inorganic aqueous solution treated in the ozone mixing step and the stirring step is defined as X liters and the treatment rate of the ozone mixing step and the stirring step is defined as Y liters/minute, then the microbicide is manufactured by alternately repeating the ozone mixing step and the stirring step for A·X/Y minutes (where A is 30 or more).

Abstract: The problem to be addressed by the present invention is to provide a cleaning apparatus capable of obtaining a cleaning liquid having a high degree of cleanliness. A cleaning apparatus 10 includes a dissolution tank 20 for dissolving a gas in a liquid, a transfer pump 30 for sending the liquid together with the gas into the dissolution tank 20, and a feed nozzle 40 for feeding the liquid stored in the dissolution tank 20 to a workpiece W. The transfer pump 30 is a positive displacement pump. Portions of the dissolution tank 20, the transfer pump 30, and the feed nozzle 40 that come into contact with the liquid are made of a fluororesin.

Abstract: In an air supply and exhaust adapter for a combustion device of a forced air supply and exhaust type, with the combustion device comprising an air supply section and an exhaust section being provided to project from a top plate portion of an outer casing; comprising a base portion that comprises a box shaped configuration and an open bottom portion, an air supply intake portion that is formed on the top surface portion of the base portion so as to cover the air supply section and to take in air from the surroundings of the combustion device, a circumferential wall portion that surrounds the periphery of the exhaust section; and a communication passage defined between the top surface portion and the top plate portion so as to communicate the space between the exhaust section and the circumferential wall portion with the air supply intake portion; the communication passage being constructed so that, due to the operation of the air blower means, the gauge pressure therein becomes negative.

Abstract: An exhaust structure for combustion apparatus includes a combustion apparatus having a combustor unit, a blower unit and a housing, an exhaust tube connected to the combustion apparatus at one end, an exhaust pipe configured to allow a part of the exhaust pipe to be introduced therein from the other end, an exhaust adapter disposed between an inner circumferential surface of the exhaust pipe and an outer circumferential surface of the exhaust tube, a connection pipe configured to communicate a region between the inner circumferential surface of the exhaust pipe and the outer circumferential surface of the exhaust tube to an inner space of the combustion apparatus, and an exhaust member connected between the combustion apparatus and the one end of the exhaust tube. The housing of the combustion apparatus is provided with a connection member for connecting the connection pipe.

Abstract: In an air supply and exhaust adapter for a combustion device of a forced air supply and exhaust type, with the combustion device comprising an air supply section and an exhaust section being provided to project from a top plate portion of an outer casing; comprising a base portion that comprises a box shaped configuration and an open bottom portion, an air supply intake portion that is formed on the top surface portion of the base portion so as to cover the air supply section and to take in air from the surroundings of the combustion device, a circumferential wall portion that surrounds the periphery of the exhaust section; and a communication passage defined between the top surface portion and the top plate portion so as to communicate the space between the exhaust section and the circumferential wall portion with the air supply intake portion; the communication passage being constructed so that, due to the operation of the air blower means, the gauge pressure therein becomes negative.