Abstract: A component mounting method is provided for mounting a light emitting component on a board by picking up the light emitting component from a pocket formed in a carrier tape by a mount head. The method includes recognizing a reference part formed in the board, recognizing a light emitting part of the light emitting component by imaging the light emitting component from above in a state where the light emitting component is held within the pocket by a holder from below, picking up the light emitting component by the mount head in the state where the light emitting component is held within the pocket by the holder from below, and mounting the picked up light emitting component on the board based on a recognition result of the reference part and a recognition result of the light emitting part.

Abstract: There is provided a component mounting system including: a component mounting device group in which a plurality of component mounting devices that mount components supplied to a board transported in from an upstream side by a tape feeder and transport out the board to a downstream side, and cut a carrier tape after supplying the components by a cutter device and discharge scraps of carrier tape, are installed on a floor surface while being arranged in a direction of conveying the board; a main conveyor that is installed along an arrangement direction of the plurality of component mounting devices in a region on the floor surface under the component mounting device group, and transports the scraps of carrier tape discharged from each of the plurality of component mounting devices; and a scraps storage that is installed outside the region and stores the scraps of carrier tape transported by the main conveyor.

Abstract: A workpiece holding body holding a workpiece having a three-dimensional shape is swung around a lateral swing axis to position the workpiece so that one mounting surface of the workpiece faces a predetermined worked direction and a viscous substance is printed on the one mounting surface of the workpiece which is positioned. The workpiece holding body is swung around the swing axis to position the workpiece so that another mounting surface of the workpiece in which the viscous substance is printed on one mounting surface faces the worked direction and to print the viscous substance on the other mounting surface of the workpiece which is positioned.

Abstract: A light-emitting element includes: a sapphire substrate having a c-plane at a main surface thereof; and a semiconductor layer provided at the main surface side of the sapphire substrate. The sapphire substrate includes a first unit including a first region, a second region, and a third region, wherein, when viewed from the main surface side, the three regions together have a shape of a regular hexagon that is evenly divided into the three regions such that each region has a shape of a rhombus; and a plurality of second units disposed to be aligned with each side of the first unit, the second unit having mirror symmetry relative to the first unit. The first unit and the second units are arranged to make a space at the center of the unit.

Abstract: A light emitting component mounter includes a luminance distribution measurer, a head moving mechanism, and a component mounting processor. The luminance distribution measurer causes the light to emit a light and measures a luminance distribution of a light emitter and detects a position of a luminance distribution center in the light emitter based on the measured luminance distribution. The head moving mechanism moves a mounting head. The component mounting processor controls the head moving mechanism based on the position detected by the luminance distribution measure.

Abstract: A component mounting method is provided for mounting a light emitting component on a board by picking up the light emitting component from a pocket formed in a carrier tape by a mount head. The method includes recognizing a reference part formed in the board, recognizing a light emitting part of the light emitting component by imaging the light emitting component from above in a state where the light emitting component is held within the pocket by a holder from below, picking up the light emitting component by the mount head in the state where the light emitting component is held within the pocket by the holder from below, and mounting the picked up light emitting component on the board based on a recognition result of the reference part and a recognition result of the light emitting part.

Abstract: A component mounting method is provided for mounting a light emitting component on a board by picking up the light emitting component from a pocket formed in a carrier tape by a mount head. The method includes recognizing a reference part formed in the board, recognizing a light emitting part of the light emitting component by imaging the light emitting component from above in a state where the light emitting component is held within the pocket by a holder from below, picking up the light emitting component by the mount head in the state where the light emitting component is held within the pocket by the holder from below, and mounting the picked up light emitting component on the board based on a recognition result of the reference part and a recognition result of the light emitting part.

Abstract: A nitride semiconductor element includes a sapphire substrate including: a main surface extending in a c-plane of the sapphire substrate, and a plurality of projections disposed at the main surface, the plurality of projections including at least one projection having an elongated shape in a plan view; and a nitride semiconductor layer disposed on the main surface of the sapphire substrate. The at least one projection has an outer edge extending in a longitudinal direction of the elongated shape, the outer edge extending in a direction oriented at an angle in a range of ?10° to +10° with respect to an a-plane of the sapphire substrate in the plan view.

Abstract: A workpiece holding body holding a workpiece having a three-dimensional shape is swung around a lateral swing axis to position the workpiece so that one mounting surface of the workpiece faces a predetermined worked direction and a viscous substance is printed on the one mounting surface of the workpiece which is positioned. The workpiece holding body is swung around the swing axis to position the workpiece so that another mounting surface of the workpiece in which the viscous substance is printed on one mounting surface faces the worked direction and to print the viscous substance on the other mounting surface of the workpiece which is positioned.

Abstract: A light-emitting element includes: a sapphire substrate having a c-plane at a main surface thereof; and a semiconductor layer provided at the main surface side of the sapphire substrate. The sapphire substrate includes a first unit including a first region, a second region, and a third region, wherein, when viewed from the main surface side, the three regions together have a shape of a regular hexagon that is evenly divided into the three regions such that each region has a shape of a rhombus; and a plurality of second units disposed to be aligned with each side of the first unit, the second unit having mirror symmetry relative to the first unit. The first unit and the second units are arranged to make a space at the center of the unit.

Abstract: A nitride semiconductor element includes a sapphire substrate including: a main surface extending in a c-plane of the sapphire substrate, and a plurality of projections disposed at the main surface, the plurality of projections including at least one projection having an elongated shape in a plan view; and a nitride semiconductor layer disposed on the main surface of the sapphire substrate. The at least one projection has an outer edge extending in a longitudinal direction of the elongated shape, the outer edge extending in a direction oriented at an angle in a range of ?10° to +10° with respect to an a-plane of the sapphire substrate in the plan view.

Abstract: A nitride semiconductor element includes a sapphire substrate including: a main surface extending in a c-plane of the sapphire substrate, and a plurality of projections disposed at the main surface, the plurality of projections including at least one projection having an elongated shape in a plan view; and a nitride semiconductor layer disposed on the main surface of the sapphire substrate. The at least one projection has an outer edge extending in a longitudinal direction of the elongated shape, the outer edge extending in a direction oriented at an angle in a range of ?10° to +10° with respect to an a-plane of the sapphire substrate in the plan view.

Abstract: A light-emitting element includes: a sapphire substrate having a c-plane at a main surface thereof; and a semiconductor layer provided at the main surface side of the sapphire substrate. The sapphire substrate includes a first unit including a first region, a second region, and a third region, wherein, when viewed from the main surface side, the three regions together have a shape of a regular hexagon that is evenly divided into the three regions such that each region has a shape of a rhombus; and a plurality of second units disposed to be aligned with each side of the first unit, the second unit having mirror symmetry relative to the first unit. The first unit and the second units are arranged to make a space at the center of the unit.

Abstract: A tape feeder is provided for pitch-feeding a carrier tape that holds a component in a pocket of the carrier tape and supplying the component to a pickup position for a mount head. The tape feeder includes a guide section that guides the carrier tape with an upper portion of the carrier tape covered, in a vicinity of the pickup position, and a lower receiving section that is positioned below the guide section and receives the pocket of the carrier tape from a lower surface side of the pocket. The lower receiving section includes a suction section that sucks the component from below and a leaf spring member that allows the suction section to contact a bottom of pocket from the lower surface side of the pocket. The component is sucked and held from below by the suction section through a hole section formed in the bottom of the pocket.

Abstract: In an electronic component mounting method, a light-emitting element is temporarily fixed to a board by solder paste and adhesive, the adhesive is cured to fix a main body of the light-emitting element to the board, and solder is melted to bond a terminal of the light-emitting element to the board. The method includes: detecting a positional deviation of an emission portion in a top surface of the light-emitting element; detecting a position of the light-emitting element in a state in which the light-emitting element is held by an absorption nozzle; positioning the emission portion to a prescribed position on the board based on the positional deviation and the position of the light-emitting element; mounting the light-emitting element on the board at a position deviated from the prescribed position by the positional deviation; curing the adhesive; and heating the board to melt the solder.

Abstract: A method of manufacturing a semiconductor light emitting element includes forming a semiconductor stacked layer body on a substrate, the semiconductor stacked layer body including a first semiconductor layer and a second semiconductor layer; removing a portion of the semiconductor stacked layer body and exposing the first semiconductor layer such that the second semiconductor layer includes an extending portion that extends in a plane direction; forming a conductor layer electrically connecting the first semiconductor layer and the extending portion of the second semiconductor layer; forming a first electrode electrically connected to the first semiconductor layer and a second electrode electrically connected to the second semiconductor layer; forming a protective film covering at least a portion of the first electrode and at least a portion of the second electrode; and after forming the protective film, removing a portion of the exposed portion of the extending portion.

Abstract: Provided is a bandpass filter for a light emitting device that can improve the light emission efficiency in use for a light emitting device, and a light emitting device that can obtain the high light emission efficiency by using the bandpass filter. The light emitting device includes a substrate; a light emitting element disposed over the substrate; a phosphor-containing layer containing at least one kind of phosphor; and a bandpass filter disposed over a surface of the phosphor-containing layer on the light emitting element side, the bandpass filter including a multilayer film having a plurality of first and second dielectric layers, the second dielectric layer being disposed over the first dielectric layer.

Abstract: A component mounting method is provided for mounting a light emitting component on a board by picking up the light emitting component from a pocket formed in a carrier tape by a mount head. The method includes recognizing a reference part formed in the board, recognizing a light emitting part of the light emitting component by imaging the light emitting component from above in a state where the light emitting component is held within the pocket by a holder from below, picking up the light emitting component by the mount head in the state where the light emitting component is held within the pocket by the holder from below, and mounting the picked up light emitting component on the board based on a recognition result of the reference part and a recognition result of the light emitting part.

Abstract: A tape feeder is provided for pitch-feeding a carrier tape that holds a component in a pocket of the carrier tape and supplying the component to a pickup position for a mount head. The tape feeder includes a guide section that guides the carrier tape with an upper portion of the carrier tape covered, in a vicinity of the pickup position, and a lower receiving section that is positioned below the guide section and receives the pocket of the carrier tape from a lower surface side of the pocket. The lower receiving section includes a suction section that sucks the component from below and a leaf spring member that allows the suction section to contact a bottom of pocket from the lower surface side of the pocket. The component is sucked and held from below by the suction section through a hole section formed in the bottom of the pocket.

Abstract: A light-emitting element includes: a sapphire substrate having a c-plane at a main surface thereof; and a semiconductor layer provided at the main surface side of the sapphire substrate. The sapphire substrate includes a first unit including a first region, a second region, and a third region, wherein, when viewed from the main surface side, the three regions together have a shape of a regular hexagon that is evenly divided into the three regions such that each region has a shape of a rhombus; and a plurality of second units disposed to be aligned with each side of the first unit, the second unit having mirror symmetry relative to the first unit. The first unit and the second units are arranged to make a space at the center of the unit.