Abstract: A light emitting device includes a plurality of light emitting elements and a plurality of driving wirings for driving the plurality of light emitting elements. The plurality of light emitting elements are divided into a plurality of groups each including at least two light emitting elements, the plurality of driving wirings are provided corresponding to the plurality of groups, the plurality of driving wirings overlap each other at least a part thereof in a plan view, and is electrically separated from each other by an insulating layer, and each of the plurality of driving wirings is electrically connected to light emitting elements belonging to the corresponding group among the plurality of groups on upper surfaces of the light emitting elements.

Abstract: Alight source device includes a plurality of semiconductor light emitting elements configured to stack, on a first surface side of a semiconductor substrate, a first reflector, a first semiconductor resonator including a first active layer, a second reflector, and a first electrode in order, and to stack a second electrode on a second surface of the semiconductor substrate opposite to the first surface. A power supply pad supplies power to the plurality of semiconductor light emitting elements. The plurality of semiconductor light emitting elements are divided into a plurality of groups according to a distance from the power supply pad. The semiconductor light emitting element in the group with a shorter distance to the power supply pad is configured to have a larger resistance value between the first electrode and the second electrode.

Abstract: The mass spectrometer includes a vacuum chamber, an ion source, a sample introduction tube, a lens optical system, and a feed-through connector. A first unit of the lens optical system is movable relative to the sample introduction tube in the connection direction, and the second unit and the third unit are movable relative to the first unit in the orthogonal direction. The first connection piece has a first bias portion that contacts the first terminal and biases the first terminal in the connection direction. The second connection piece has a second bias portion that contacts the second terminal and biases the second terminal in the orthogonal direction. The third connection piece has a third bias portion that contacts the third terminal and biases the third terminal in the orthogonal direction.

Abstract: An electronic device that has a line-of-sight detection function and is capable of suppressing the execution of an operation different from the intention of a user, and a control method therefor are disclosed. The device has a function for detecting coordinates on an image at which a user is gazing as point-of-gaze coordinates. The device, in a case where a movement of the point-of-gaze coordinates has been detected, measures a duration of the point-of-gaze coordinates after the movement. The device further determines that the movement of the point-of-gaze coordinates with the duration larger than a time threshold is a viewpoint movement that is intended by the user, and determines that the movement of the point-of-gaze coordinates with the duration equal to or smaller than the time threshold is a viewpoint movement that is not intended by the user.

Abstract: An electronic device according to the present invention includes at least one memory and at least one processor which function as: a gaze acquisition unit configured to acquire right gaze information related to a gaze of a right eye of a user that wears a display apparatus of an optical see-through type on a head and left gaze information related to a gaze of a left eye of the user; and a correlation acquisition unit configured to acquire, as information on personal differences, correlation information related to correlation between the gaze of the right eye and the gaze of the left eye on a basis of the right gaze information and the left gaze information.

Abstract: A light emitting apparatus comprises a first light emitting unit and a second light emitting unit; and a first drive wiring configured to drive the first light emitting unit and a second drive wiring configured to drive the second light emitting unit. A plurality of light emitting elements having mesa structure is arranged in the first light emitting unit and the second light emitting unit. The first drive wiring is in electrical contact with an upper surface of the mesa structure in the first light emitting unit. The first drive wiring extends above the upper surface of the mesa structure in the second light emitting unit. The upper surface of the mesa structure in the second light emitting unit and the first drive wiring are electrically insulated by an insulating film.

Abstract: A light emitting device includes: a first semiconductor light emitting element that includes a first active layer and a first resonator portion over a semiconductor substrate, and emits a first light; a second semiconductor light emitting element that includes a first reflector, a second resonator portion including a second active layer excited by the first light, and a second reflector stacked in this order over the first semiconductor light emitting element, and emits a second light, wherein an oscillation wavelength of the second semiconductor light emitting element is longer than that of the first semiconductor light emitting element, wherein the second semiconductor light emitting element includes a saturable absorption layer between the second resonator portion and the second reflector, and wherein a thickness L and an absorption coefficient ? of the second active layer satisfy the following inequality. 3.

Abstract: A gas chromatograph-mass spectrometer includes a gas chromatograph having a column that separates a sample into components, a mass spectrometer provided in a vacuum housing, and an interface that introduces a sample that has been separated into components in the gas chromatograph into the mass spectrometer, and the interface includes a partition wall fixed to the vacuum housing to close an opening formed in the vacuum housing, a line pipe that is fixed to the partition wall to penetrate the partition wall, includes a sample outlet line of the column and introduces the sample into the mass spectrometer, a heater that heats the line pipe in an axial direction, and a fixer that fixes the heater being in contact with the partition wall.

Abstract: An electronic apparatus includes a proximity detector configured to detect proximity of an object to a viewfinder, a line-of-sight detector configured to detect line-of-sight information for a first display unit disposed inside the viewfinder, a memory storing instructions, and a processor configured to execute the instructions to determine an eye proximity state or an eye absence state based on a detection result of the line-of-sight detector, and start driving the proximity detector in a case where the processor determines the eye absence state, and stop driving the line-of-sight detector in a case where the proximity detector does not detect the proximity of the object.

Abstract: The light emitting element according to the present disclosure comprises a first active layer that emits light having a first wavelength by injecting current, a second active layer that emits light having a second wavelength different from the first wavelength by absorbing the light having the first wavelength, and a first reflecting mirror in which a reflectance of light having the first wavelength is higher than a reflectance of light having the second wavelength, wherein the first reflecting mirror is disposed at a position closer to an emission end, from which the light emitted by the first active layer or the second active layer exits outside, than the first active layer and the second active layer.

Abstract: The light emitting device includes a semiconductor light emitting element including a first reflector, a resonator spacer including an active layer, and a second reflector stacked in this order over a semiconductor substrate. The semiconductor light emitting element includes a saturable absorption layer provided between the semiconductor substrate and the second reflector. The semiconductor light emitting element is configured to emit light having a profile that has a maximum peak value and converges to a stable value of a predetermined light intensity after the maximum peak value.

Abstract: An electrical connector includes an inner conductor to transmit a signal; an insulator that covers an outer circumferential surface of the inner conductor; an outer conductor that covers an outer circumferential surface of the insulator and is insulated from the inner conductor by the insulator; an insulating mold that covers an outer circumferential surface of the outer conductor; and a conductor that is conductively connected with the outer conductor and penetrates the insulating molded, the conductor having a surface that is positioned outside the insulating mold and inclined toward a connection destination, and the outer conductor and the conductor are integrally formed.

Abstract: A mass spectrometry device includes a vacuum container in which an ionizer, a mass separator and a detector are arranged, and includes an opening-closing portion that is provided at the vacuum container and switches between a locked state of being locked in a close state and an unlocked state by a difference in pressure between inside and outside of the vacuum container, and a cooling gas introducer that introduces a cooling gas for cooling the ionizer into the vacuum container such that the opening-closing portion is kept in the locked state.

Abstract: A photoelectric conversion element includes a first reflecting mirror provided on a substrate, a resonator provided on the first reflecting mirror, and a second reflecting mirror provided on the resonator. The first reflecting mirror includes a distributed Bragg reflector (DBR) including a plurality of semiconductor layers. A photoelectric conversion layer is provided in at least one layer of the plurality of semiconductor layers.

Abstract: An electronic device that has a line-of-sight detection function and is capable of suppressing the execution of an operation different from the intention of a user, and a control method therefor are disclosed. The device has a function for detecting coordinates on an image at which a user is gazing as point-of-gaze coordinates. The device, in a case where a movement of the point-of-gaze coordinates has been detected, measures a duration of the point-of-gaze coordinates after the movement. The device further determines that the movement of the point-of-gaze coordinates with the duration larger than a time threshold is a viewpoint movement that is intended by the user, and determines that the movement of the point-of-gaze coordinates with the duration equal to or smaller than the time threshold is a viewpoint movement that is not intended by the user.

Abstract: An electronic device according to the present invention includes at least one memory and at least one processor which function as: a gaze acquisition unit configured to acquire right gaze information related to a gaze of a right eye of a user that wears a display apparatus of an optical see-through type on a head and left gaze information related to a gaze of a left eye of the user; and a correlation acquisition unit configured to acquire, as information on personal differences, correlation information related to correlation between the gaze of the right eye and the gaze of the left eye on a basis of the right gaze information and the left gaze information.

Abstract: An anti-noise component for a connector including a plug on an end of a coaxial cable and a jack at an opening of a metal housing of an electronic device. The anti-noise component includes a cylindrical first conductive member where the plug is inserted, and a cylindrical second conductive member where the first conductive member is inserted. The plug is held inside the first conductive member. An external thread portion is formed on the first conductive member and an internal thread portion is formed inside the second conductive member. The external thread portion mates with the internal thread portion. A flange portion is formed on the second conductive member and a joining portion is formed on the flange portion. The joining portion abuts an outer face of the metal housing. This prevents a gap from forming and leaking electromagnetic noise between the joining portion and the metal housing.

Abstract: A light source device in which a plurality of semiconductor light-emitting elements are disposed, each of the plurality of semiconductor light-emitting elements being configured with a first reflector, a resonator cavity including an active layer, and a second reflector which are stacked in this sequence on a semiconductor substrate, wherein in each of the semiconductor light-emitting elements, an electric contact region for supplying carriers to the active layer is disposed on a surface of the second reflector on an opposite side thereof to the active layer, and wherein the plurality of semiconductor light-emitting elements include a first semiconductor light-emitting element of which shape of the contact region is a first shape, and a second semiconductor light-emitting element of which shape of the contact region is a second shape which is different from the first shape.

Abstract: A semiconductor light-emitting element having a structure in which a substrate, a first reflector, a resonator cavity including an active layer, a second reflector and a tunnel junction portion are stacked in this sequence, comprising: a first current constriction portion configured with an oxidation constriction layer; and a second current constriction portion including the tunnel junction portion, wherein a width d2 of the second current constriction portion is smaller than a width d1 of the first current constriction portion.

Abstract: A semiconductor light-emitting element having a structure in which a substrate, a first reflector, a resonator cavity including an active layer, a second reflector and a transparent conductive film are stacked in this sequence, the semiconductor light-emitting element comprising: a first current constriction portion configured with an oxidation constriction layer; and a second current constriction portion configured with an insulation film, which is formed on an upper face of the second reflector and has an opening, and a contact portion between the transparent conductive film and a semiconductor layer with which the transparent conductive film is in contact, wherein a width d2 of the second current constriction portion is smaller than a width d1 of the first current constriction portion.