Abstract: A wiring substrate includes an insulator and first and second conductors. The insulator has a first top surface, a first side surface, and first and second recesses. The first conductor is positioned on the first top surface and has a first end surface. The second conductor is positioned on the first top surface and has a second end surface. The first recess contacts the first and second end surfaces. The second recess is between the first and second conductors. The first recess extends in a second direction and has a first inner side surface and a first bottom surface. The second recess has a second inner side surface and a second bottom surface. The distance from the first top surface to the first bottom surface in a third direction is smaller than the distance from the first top surface to the second bottom surface in the third direction.

Abstract: A light-emitting element includes a laminate and a first insulating film. The laminate has a plurality of semiconductor layers, and includes a first end surface, a second end surface opposed to the first end surface, and a pair of side surfaces connecting the first end surface and the second end surface. The first insulating film is located over at least one of the pair of side surfaces from the first end surface.

Abstract: A semiconductor package includes: a substrate having an upper surface, a plate including a through-hole, a wall forming, together with the plate, a frame-shaped housing, and a frame. The frame-shaped housing is located on the substrate, and the frame is located on the frame-shaped housing. A space above the substrate and enclosed by the frame-shaped housing is a mounting area of an electronic component. The plate includes the through-hole passing through in a planar direction of the upper surface and includes a recess on an upper end face facing the frame.

Abstract: The present disclosure provides a novel antenna. An antenna according to an example of a plurality of embodiments of the present disclosure includes a radiation conductor, a ground conductor, a first feeding line, a second feeding line, and a connecting conductor. The first feeding line is electromagnetically connected to the radiation conductor and configured to excite the radiation conductor in a first direction. The second feeding line is electromagnetically connected to the radiation conductor and configured to excite the radiation conductor in a second direction. The connecting conductor is positioned apart from the center of the radiation conductor. The connecting conductor is spaced apart from the first feeding line by a first distance. The connecting conductor is spaced apart from the second feeding line by a second distance. The first distance is substantially equal to the second distance.

Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the reflected transmission wave, and a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The electronic device transmits, to an information processing apparatus, sensing information based on the transmission signal and the reception signal at a location of the electronic device along with location information of the electronic device.

Abstract: An optical circuit board of the present disclosure includes a wiring board and an optical waveguide. The wiring board includes a mounting region for an optical component on an upper surface of the wiring board. The optical waveguide is located in a region adjacent to the mounting region, and includes, over the upper surface of the wiring board, a lower cladding layer, a plurality of cores extending in a first direction, and an upper cladding layer in this order, and is provided with alignment marks on the lower cladding layer. The lower cladding layer includes a first region in which the plurality of cores are located, and two second regions located facing the first region across a groove at positions between which the plurality of cores are sandwiched. The optical waveguide includes a first surface facing the mounting region, and end surfaces of the plurality of cores are exposed thereon.

Abstract: An antenna includes a conductive patch. The patch includes, in a plan view, a first power feed-side edge and a first non-power feed-side edge positioned on opposite sides in a first direction in one-to-one relation, and a second power feed-side edge and a second non-power feed-side edge positioned on opposite sides in a second direction intersecting the first direction in one-to-one relation. The patch includes, in the plan view, a first power feed point positioned on a side nearer to the first power feed-side edge and a second power feed point positioned on a side nearer to the second power feed-side edge. In the plan view, at least a portion of the first power feed-side edge expands outward and forms a protrusion. A width of the protrusion in the second direction gradually decreases toward a top of the protrusion. The first power feed point is positioned nearer to the top of the protrusion than a middle of a hill slope of the protrusion in the first direction.

Abstract: A light emitter includes a substrate including a first surface, a cladding on the first surface of the substrate, a core inside the cladding, a lid on the cladding, a first light-emitting element inside an element sealing area on the first surface, a second light-emitting element inside the element sealing area, and a light-receiving element inside the element sealing area.

Abstract: An optical element includes a first condensing lens and a plurality of second condensing lenses. The optical element is disposed so as to face an end of an optical fiber. The optical fiber includes a core, a first cladding located around the core, and a second cladding located around the first cladding. The first condensing lens is disposed at a position corresponding to the core. The second condensing lenses are disposed around the first condensing lens at positions corresponding to the first cladding.

Abstract: A frame member for an electron beam lithography device of the present disclosure includes a frame body comprising sapphire or aluminum oxide-based ceramics having an open porosity of 0.2% or less and a conductive film disposed at least on a main surface of an electron gun side of the frame body.

Abstract: An electronic device comprises at least one sensor configured to acquire a pulse wave on a measured part of a subject, and a controller configured to estimate glucose metabolism of the subject from an index based on the pulse wave acquired by the sensor. The controller estimates the glucose metabolism based on a first index related to a pulse wave acquired at a first time and a second index related to a pulse wave acquired at a second time after the first time.

Abstract: A communication method comprises receiving, by a user equipment from a base station, a message for transitioning a user equipment from a Radio Resource Control (RRC) connected state to a RRC inactive state, the message including a first parameter and a second parameter, which are applied in the RRC inactive state; applying, by the user equipment, the first parameter in response to satisfying a first condition; and applying, by the user equipment, the second parameter in response to not satisfying the first condition.

Abstract: An imaging apparatus comprises a third substrate including a third connector; a third shield portion configured to cover a side surface of at least portions of the third substrate; a leg portion formed at an end of the third shield portion on the side of a direction away from the third substrate; a fourth connector configured to be able to be fitted to the third connector; a third metal plate configured to abut the leg portion; and a second housing including the fourth connector and the third metal plate.

Abstract: A communication apparatus includes: a first communicator capable of wireless-communicating using a cellular communication scheme; a second communicator capable of wireless-communicating with another communication apparatus using a first communication scheme (not the cellular communication scheme); and a controller controlling the first and second communicators to execute a first communication mode. The second communicator transmits a wireless connection request to the other communication apparatus in the first communication mode.

Abstract: A communication control method used in a mobile communication system including a gNB 200 and a UE performing wireless communication with the gNB 200, the communication control method including: establishing, by an RIS-UE 100B, a wireless connection with the gNB 200, the RIS-UE 100B controlling an RIS device 500 that changes a propagation direction of a radio wave incident from the gNB 200; and transmitting, by the RIS-UE 100B to the gNB 200 through wireless communication, RIS device information indicating at least one of a capability of the RIS device 500 and a control state of the RIS device 500.

Abstract: A communication control method used in a mobile communication system including a gNB and a UE performing wireless communication with the gNB, the communication control method including: establishing, by an RIS-UE, a wireless connection with the gNB, the RIS-UE controlling an RIS device that changes a propagation direction of a radio wave incident from the gNB; and transmitting, by the gNB to the RIS-UE through the wireless communication, one or more pieces of RIS control information used to control the RIS device.

Abstract: A display device includes a display, an acquirer, and a controller. The display is configured to display a display image containing identification information of a purchase item to a reader of a cash register. The acquirer is configured to acquire external output information from the cash register. The controller is configured to control a display operation of the display on the basis of the external output information. When the controller determines, on the basis of external output information of a first purchase item from the cash register, that the cash register has identified the first purchase item, the controller causes the display to display a display image containing identification information of a second purchase item.

Abstract: To reduce the occurrence of scratches in a wide range of a surface of a protruding portion. Solder is firmly fixed to a first metal film. The first metal film has a surface inclined with respect to a first lower surface.