Abstract: An interface configured to be brought into contact with a channel chip and to connect a channel of the channel chip with an external device. The interface includes an elastic first member and a second member supporting the first member. The first member includes a first channel for communicating with the channel and a second channel for communicating with the external device. The first channel and the second channel communicate with each other, and the second channel is disposed in such a way that a distance from the center of gravity of the channel chip to the second channel increases from the end of the second channel on the first channel side toward the end of the second channel on the external device side when the interface is viewed in plan view while the interface is in contact with the channel chip.

Abstract: A ferrule includes an optical transmission member holding part configured to hold an optical transmission member; a first surface that faces an end portion of the optical transmission member when the optical transmission member is held at the optical transmission member holding part; and a through hole that is open between the optical transmission member holding part and the first surface.

Abstract: An optical receptacle optically couples a light emitting element and an optical transmission member when disposed between the light emitting element and the optical transmission member, and includes a first optical surface that allows incidence of light emitted from the light emitting element; a second optical surface that emits, toward the optical transmission member, light emitted from the light emitting element and advanced inside the optical receptacle; and a diffraction grating disposed on the first optical surface, on the second optical surface, or on a light path between the first and second optical surfaces. The diffraction grating is configured such that zero-order diffraction light of the light emitted from the light emitting element reaches an end portion of the optical transmission member, and that primary diffraction light of the light emitted from the light emitting element does not reach the end portion of the optical transmission member.

Abstract: This socket is provided with: an accommodating section having a recess capable of accommodating an electronic component; an opening/closing section for opening/closing an opening of the recess and pressing the electronic component in the recess in a direction of pressing when the opening is in a closed position; and a support section for supporting the opening/closing section so as to be able to move between an open position and the closed position. The support section supports the opening/closing section, in a closing operation of the opening/closing section, so that the opening/closing section moves while changing the angle formed with the direction of pressing as the opening/closing section moves from the open position to a predetermined position ahead of the closed position, and so that the opening/closing section moves along the direction of pressing when the opening/closing section moves from the predetermined position to the closed position.

Abstract: A flow channel chip has: a common flow channel; introduction flow channels that are respectively connected to the common flow channel; introduction valves that are respectively disposed in the introduction flow channels; a cleaning liquid flow channel that is connected to the common flow channel; and a cleaning liquid valve that is disposed in the cleaning liquid flow channel. This fluid handling device has: a rotary member for controlling opening/closing of the introduction valves; and a cleaning liquid valve control unit for controlling opening/closing of the cleaning liquid valve. After the rotary member is rotated so as to open/close one of the introduction valves, the cleaning liquid valve control unit causes the cleaning liquid valve to open and causes the cleaning liquid to flow in the common flow channel before the rotary member is rotated so as to open/close another of the introduction valves.

Abstract: A socket electrically connects a first electric component and a second electric component, including: a base part in which a through hole extending through the base part from a top surface to a bottom surface in a vertical direction is formed; a contact pin inserted to the through hole such that a pin lower end is exposed from the bottom surface, and configured such that, when in use, a pin upper end makes contact with the first electric component; and a sheet member including a through electrode extending therethrough in the vertical direction, disposed at the base part in a state where the sheet member faces the bottom surface, and configured such that, when in use, an upper end of the through electrode makes contact with the pin lower end and a lower end of the through electrode makes contact with the second electric component.

Abstract: Disclosed herein are actuator, planetary-gear apparatus, and structural-unit embodiments configured to reduce noise and vibration caused by operation of planetary gears. An embodiment may include a ring gear having an outer peripheral surface that extends in the axial direction. A first raised portion may be formed on said outer peripheral surface; and a housing having an inner peripheral surface that is provided facing, and with a gap from, the outer peripheral surface of the ring gear. A second raised portion may be formed on said inner peripheral surface. Movement of the ring gear in the circumferential direction is limited by linear contact or point contact between the first raised portion and the second raised portion, for example. The outer peripheral surface and/or the inner peripheral surface may be a surface of a crowned shape that is bowed in the outer radial direction, according to some further embodiments.

Abstract: A planetary gear device includes: a housing cover disposed at one end portion of a housing in an axis direction, the housing being configured to house a sun gear and a planetary gear inside the housing; and a carrier cover disposed next to the housing cover in the axial direction in the inside, and configured to support a shaft of the planetary gear from one end portion side in the axial direction. One opposing part of a pair of opposing parts opposite to each other in the housing cover and the carrier cover includes a cone-shaped part whose diameter varies in the axial direction, and the other opposing part of the pair of opposing parts includes a sliding part configured to slide on a peripheral surface of the cone-shaped part with a same axis as an axis of the cone-shaped part.

Abstract: A fluid handling system includes a fluid handling device including an opening for introducing a fluid or discharging the fluid; a tube including a flange, where one end of the tube is for connection to the opening, and the other end of the tube is for connection to an introduction device for supplying the fluid or to a discharge device for discharging the fluid; a support member including a first through hole into which the tube is inserted, and movably supporting the tube; and a first elastic member including a second through hole into which the tube is inserted, and holding a part of the tube while the first elastic member is in contact with the flange and the fluid handling device or the support member.

Abstract: A container of the present invention is for producing or housing a freeze-dried material. The container includes a bottom wall, a side wall, a support part for supporting a fluid to be freeze-dried in such a way that the fluid does not contact the bottom wall; and at least one vent disposed in the bottom wall or in at least a portion of the side wall located below the top of the support part.

Abstract: A fluid handling device includes: a channel chip including a well for containing a fluid, a channel connected to the well, a valve disposed on the channel, and a through hole; and a pressing member including a first protrusion and a second protrusion, the first protrusion being for pressing the valve to close the valve, the second protrusion being inserted into the through hole and being for positioning the first protrusion with respect to the valve, the pressing member being rotatable about a rotational axis extending through the second protrusion.

Abstract: An object is to provide a fluid handling device which can be easily manufactured and which makes it possible for a valve to be easily opened and closed with a small force. A fluid handling device for achieving the above object includes a first region; a second region; and a valve disposed between the first region and the second region, in which the valve includes: a groove-shaped valve seat disposed in a board, and a flexible layer covering the groove-shaped valve seat, and a surface of the flexible layer facing the groove-shaped valve seat is a flat surface, a protrusion is disposed on a side of the flexible layer opposite to the groove-shaped valve seat and at a position corresponding to the groove-shaped valve seat.

Abstract: A liquid handling device includes a plurality of first wells configured for a first sample; a first channel connected to the plurality of first wells; a plurality of second wells configured for a second sample; a second channel connected to the plurality of second wells; a plurality of processing agent wells configured for a processing agent configured to process the first sample and the second sample; a processing agent channel connected to the plurality of processing agent wells; and a common channel connected to the first channel, the second channel and the processing agent channel.

Abstract: A light flux controlling member includes a plurality of incidence units disposed in a grid pattern and a plurality of emission units individually disposed between the plurality of incidence units. Each incidence unit includes an incidence surface disposed on a back side of the light flux controlling member, a first reflection surface disposed on a front side of the light flux controlling member at a position facing the light emitting element with the incidence surface placed between the first reflection surface and the light emitting element, and a second reflection surface disposed on the front side of the light flux controlling member at a position facing the side surface of the light flux controlling member with the first reflection surface placed between the second reflection surface and the side surface.

Abstract: The present invention relates to a fluid handling device which can prevent an inclination of a rotary member. The fluid handling device includes a substrate; an arc-shaped groove having a central angle more than 180° disposed on the substrate; a first protrusion located between both ends of the groove in the same circumference as the arc-shaped groove; a second protrusion disposed in the groove; and a film joined on the substrate so as to cover the groove, the first protrusion and the second protrusion. The groove closed by the film functions as a rotary membrane pump.

Abstract: The present invention relates to a fluid handling device which can prevent an inclination of a rotary member. The fluid handling device includes: a substrate; a circular first groove disposed on the substrate; a second groove connected to the first groove; a third groove connected to the first groove; a film joined to the substrate so as to cover the first groove, the second groove and the third groove; and a joining area where the film and the bottom of the first groove is joined, the joining area being disposed between a connecting portion of the second groove and a connecting portion of the third groove in the first groove. The surface of the film in the joining area is located closer to the bottom of the first groove than the surface of the film in an area joined to the substrate of the film.

Abstract: A surface light source device includes a substrate, a plurality of light emitting devices and a light diffusion member. The light flux controlling member includes an incidence surface and an emission surface. In one light emitting device among the plurality of light emitting devices, light—emitted from the light emitting center of the light emitting element at an emission angle of 80° or less with respect to the optical axis of the light emitting element, incident on the incidence surface, and emitted from the emission surface—reaches the light diffusion member without reaching another light emitting device among the plurality of light emitting devices.

Abstract: A fluid handling device includes a first channel, a second channel, and a valve disposed at a connection part between the first channel and the second channel. The valve include a partition wall disposed between the first channel and the second channel, and a diaphragm disposed so as to face the partition wall, a portion of the first channel, and a portion of the second channel. The diaphragm is configured in such a way that when no pressure is applied to the diaphragm, a gap, which serves as a third channel that allows the first channel and the second channel to communicate with each other, is formed between the diaphragm and the partition wall. In plan view, the length of the diaphragm in the extending direction of the third channel is longer than the length of the diaphragm in the direction orthogonal to the extending direction.

Abstract: A gear includes: an outer circumferential rim provided integrally with a plurality of tooth portions disposed side-by-side in a circumferential direction on an outer circumferential surface; and a plurality of reinforcing ribs disposed inside the outer circumferential rim to be spaced from each other in the circumferential direction by thinning portions, wherein a position where each of the plurality of reinforcing ribs and the outer circumferential rim are joined corresponds, in the circumferential direction, to a position of a tooth groove between the plurality of tooth portions.

Abstract: This contact pin electrically connects a first electrical component and a second electrical component, the contact pin comprising: a pin body having an inside pin element and an outside pin element combined to be extendable; an elastic member that energizes the inside pin element and the outside pin element in the direction in which the pin body expands when the pin body is in a contracted state; and a pressing part that is provided on the outside pin element, and that when the pin body contracts, applies force to the inside pin element that moves in a first direction in the axial direction, the force including a component in a second direction orthogonal to the first direction.