Abstract: An information processing method including: inputting purchase history information of a second user to a prediction model, the second user being a prediction target, the prediction model having learned with learning data, the learning data including purchase history information of a first user as input data and information regarding a first product as a label, the first user being a learning target, the learning data being learning data regarding a plurality of the first users; acquiring first information regarding one or a plurality of products having a possibility to be purchased by the second user, based on an output from the prediction model in response to the input; and outputting the first information.

Abstract: A transmission device includes a first substrate on which a heat generation component is arranged, a heat sink that is placed on the heat generation component, a second substrate that is arranged above a surface of the first substrate on which the heat generation component is arranged and a pressing mechanism that presses the heat sink against the heat generation component arranged on the first substrate from the second substrate side.

Abstract: A movable workbench for performing work under low temperature, such as ?80° C. or below. The movable workbench includes: a worktable including a workspace forming member for providing a workspace for work at low temperature and a refrigerant-reservoir for containing a refrigerant, and disposed on a base with a moving member; the workspace forming member including side and bottom walls providing a workspace with an upper surface opening; the upper surface of the workspace being open on the upper side of the worktable; the refrigerant-reservoir accommodating the bottom wall of the workspace forming member so that a gas phase in the workspace is cooled when the refrigerant is provided in the refrigerant-reservoir and the bottom wall of the workspace forming member is subsequently cooled; and the moving member disposed on a bottom surface of the base so that the worktable is movable with the refrigerant-reservoir filled with the refrigerant.

Abstract: A heat dissipation device includes: a plurality of heat receiving members disposed on a plurality of electronic components mounted on a substrate; a plurality of heat pipes fixed to the respective heat receiving members; and a heat sink mounted on the substrate and includes a plurality of openings formed corresponding to the heat pipes, wherein the heat pipes are inserted in the respective openings, and an inner diameter of the openings in a perpendicular direction to a surface of the substrate is larger than a diameter of the heat pipes in the perpendicular direction to the surface of the substrate.

Abstract: An electronic device includes: a frame in which a unit is mounted on each of an upper row and a lower row of the frame; a rack configured to accommodate a plurality of frames; a back plate configured to close the rack on a rear side of the frame; and a duct configured to protrude from an insertion hole formed in the back plate, and form an opening with a hole edge of the insertion hole so as to discharge air passing through the unit on the lower row, the duct separating the unit on the upper row and the unit on the lower row from each other, wherein a cross-sectional area of the opening is adjusted by adjustment of a protrusion length from the insertion hole.

Abstract: An electronic device includes: a plurality of board units, each configured to include a board and a heat generation part installed on the board, the plurality of board units configured to be arranged in an axial direction perpendicular to the board; and a radiating structure configured to thermally connect with the heat generation part, and include a plurality of duct formation portions provided in the plurality of board units, the plurality of duct formation portions being arranged in the axial direction perpendicular to the board so that an air duct extending in an axial direction perpendicular to each board is formed.

Abstract: A board unit includes a board to have an object to be cooled, the object being implemented on the board, a baffle plate to be rotatably coupled to the board and to be displaced to a first rotary position to guide a cooling air, flowing from a first direction to the board, to the object to be cooled and a second rotary position to guide a cooling air, flowing from a second direction to the board, to the object to be cooled, and an arm to be movably attached to the board and also to be rotatably coupled to a rotary end of the baffle plate to displace the baffle plate to the first rotary position and the second rotary position with movement.

Abstract: An electronic device includes: a frame in which a unit is mounted on each of an upper row and a lower row of the frame; a rack configured to accommodate a plurality of frames; a back plate configured to close the rack on a rear side of the frame; and a duct configured to protrude from an insertion hole formed in the back plate, and form an opening with a hole edge of the insertion hole so as to discharge air passing through the unit on the lower row, the duct separating the unit on the upper row and the unit on the lower row from each other, wherein a cross-sectional area of the opening is adjusted by adjustment of a protrusion length from the insertion hole.

Abstract: A heat dissipation device includes: a plurality of heat receiving members disposed on a plurality of electronic components mounted on a substrate; a plurality of heat pipes fixed to the respective heat receiving members; and a heat sink mounted on the substrate and includes a plurality of openings formed corresponding to the heat pipes, wherein the heat pipes are inserted in the respective openings, and an inner diameter of the openings in a perpendicular direction to a surface of the substrate is larger than a diameter of the heat pipes in the perpendicular direction to the surface of the substrate.

Abstract: A fixing-device that fixes a second member to be fastened to a first member to be fastened, the fixing-device includes, a base fixed to the first member to be fastened, a sprung-washer attached to the base and interposed between the base and the second member to be fastened, and a fastener that fastens the second member to be fastened and the base to each other, wherein the sprung-washer includes a threaded-portion insertion-hole into which a threaded-portion of the fastener is inserted, an edge-portion that is formed around the threaded-portion insertion-hole, and with which a pressing-portion provided in the fastener comes into contact and that is thereby pressed when the fastener is tightened, and a leaf-spring that extends from the edge-portion forward in a direction in which the fastener is inserted into the threaded-portion insertion-hole and outward, and that has a bent-portion midway along the length of the leaf-spring.

Abstract: Provided are a glass body for pressure forming enabling press forming in a low-temperature range without the need of a special mold material, and a method for manufacturing the same. A glass body for pressure forming 1 having a porosified layer 1b formed by porosifying a surface thereof and having a Vickers hardness of 85 N/mm2 or less on the porosified surface. The porosified layer 1b can be manufactured by phase-separating the glass body by spinodal decomposition, acid-treating the phase-separated glass body and then treating the acid-treated glass body with alkali or hot water to porosify the surface of the glass body.

Abstract: An electronic device includes a first circuit board; a heat sink fixed to the first circuit board to form a cavity between the heat sink and the first circuit board; and a plurality of electronic components fixed to a surface of the heat sink facing the first circuit board inside the cavity, the plurality of electric components having heights different from each other, wherein each of the plurality of electronic components is electrically coupled to the first circuit board by a second circuit board and being different from the first circuit board.

Abstract: There is provided an electric device configured to cool a plurality of plug-in units, the electric device including a plurality of slots, each slot configured to install a plug-in unit, a first fan configured to create a current of air for cooling the plug-in units, a first plug-in unit installed into a first slot, and a second plug-in unit including a second fan configured to create a current of air for cooling the first plug-in unit, the second plug-in unit being installed into a second slot adjacent to the first slot, arranged to a side of mounting component of the first plug-in unit.

Abstract: An air guiding structure includes a shaft that is provided on a substrate body in an upright manner; a baffle plate coupled to the shaft so as to rotate around the shaft, the baffle plate guiding air that has been introduced into the substrate body; and a rotation restricting member that restricts a rotation of the baffle plate caused by the air that has been introduced.

Abstract: An apparatus on which a fan can be mounted, including a casing; a plurality of cooling fan units arranged in line on a lower portion of the casing and capable of being inserted into and removed from the casing on an individual basis; and a plurality of plate members disposed above the line in which the cooling fan units are arranged and above a gap between the cooling fan units, the plate members extending in a direction to which an upper surface of each of the cooling fan units is substantially perpendicular and in which the cooling fan unit is inserted into and removed from the casing, wherein each of the plate members is supported so as to be able to pivot about its lower end portion toward both directions.

Abstract: A board unit includes a board to have an object to be cooled, the object being implemented on the board, a baffle plate to be rotatably coupled to the board and to be displaced to a first rotary position to guide a cooling air, flowing from a first direction to the board, to the object to be cooled and a second rotary position to guide a cooling air, flowing from a second direction to the board, to the object to be cooled, and an arm to be movably attached to the board and also to be rotatably coupled to a rotary end of the baffle plate to displace the baffle plate to the first rotary position and the second rotary position with movement.

Abstract: A plug-in unit includes: a printed circuit board on which a connector is mounted; and a cover in which the printed circuit board is accommodated; wherein the cover allows the connector to be exposed when the plug-in unit is inserted into a housing and to be covered when the plug-in unit is in a standalone state in which the plug-in unit is not inserted into the housing.

Abstract: A fixing-device that fixes a second member to be fastened to a first member to be fastened, the fixing-device includes, a base fixed to the first member to be fastened, a sprung-washer attached to the base and interposed between the base and the second member to be fastened, and a fastener that fastens the second member to be fastened and the base to each other, wherein the sprung-washer includes a threaded-portion insertion-hole into which a threaded-portion of the fastener is inserted, an edge-portion that is formed around the threaded-portion insertion-hole, and with which a pressing-portion provided in the fastener comes into contact and that is thereby pressed when the fastener is tightened, and a leaf-spring that extends from the edge-portion forward in a direction in which the fastener is inserted into the threaded-portion insertion-hole and outward, and that has a bent-portion midway along the length of the leaf-spring.

Abstract: A plug-in unit includes: a printed circuit board on which a connector is mounted; and a cover in which the printed circuit board is accommodated; wherein the cover allows the connector to be exposed when the plug-in unit is inserted into a housing and to be covered when the plug-in unit is in a standalone state in which the plug-in unit is not inserted into the housing.

Abstract: An apparatus on which a fan can be mounted, including a casing; a plurality of cooling fan units arranged in line on a lower portion of the casing and capable of being inserted into and removed from the casing on an individual basis; and a plurality of plate members disposed above the line in which the cooling fan units are arranged and above a gap between the cooling fan units, the plate members extending in a direction to which an upper surface of each of the cooling fan units is substantially perpendicular and in which the cooling fan unit is inserted into and removed from the casing, wherein each of the plate members is supported so as to be able to pivot about its lower end portion toward both directions.