Abstract: A stack forming apparatus includes a nozzle device that includes a nozzle configured to supply powder to a target and to irradiate the target with an energy beam, and a supply device which selectively supplies the nozzle with a powdery forming material to form layers that form a formation, and a powdery support material to form a support layer which permits the layers formed by the forming material to be formed on the top surface thereof. The stack forming apparatus further includes an optical system which outputs the energy beam to the nozzle, and a controller which drives the nozzle and which is configured to control the supply amount of the forming material to be supplied to the nozzle and the supply amount of the support material and which stacks the layers formed by the forming material and the support layer on the target.

Abstract: According to one embodiment, in a manufacturing method of a sealed secondary battery of the embodiment, a first sealing body, which is configured to seal an opening portion of a lid body to cover the opening portion and is formed into a sheet-like shape by using a metal material, is placed on the lid body, and the first sealing body is welded to the lid body. The sealed secondary battery having the first sealing body welded thereto is charged, and the sealed secondary battery is discharged after the charge. A hole is bored in the first sealing body to form a hole portion after the discharge, a second sealing body is placed to cover the first sealing body, and the second sealing body is welded to the lid body through the first sealing body.

Abstract: A nozzle device includes a nozzle, an optical system, and a controller. The nozzle can discharge a material and to irradiate energy rays, and moves relatively to an object. The optical system can change an irradiation direction of the energy rays. The controller controls the optical system to change the irradiation direction of the energy rays and to irradiate the energy rays to at least one of a primary side or a secondary side of an advancing direction of the nozzle.

Abstract: According to one embodiment, a welding apparatus includes an irradiation device and a nozzle device. The irradiation device irradiates a target with laser light while scanning the laser light. The nozzle device includes an ejection port and ejects inert gas to an irradiation position of the laser light on the target through the ejection port located at a forward side in a scanning direction of the laser light relative to the irradiation position.

Abstract: A display device includes: a light source configured to generate a coherent light beam; and an optical plate including a plurality of microlenses arranged with a period larger than the diameter of the light beam, the optical plate being configured to control the divergence angle of the light beam.

Abstract: A secondary battery according to an embodiment includes a container having a pouring hole through which an electrolyte is poured, and housing the electrolyte, poured through the pouring hole, together with an electrode body; and a sealing lid fixed to the container and closing the pouring hole. The container has a plurality of grooves extending in parallel along the outer edge of the pouring hole, in a predetermined region that surrounds the periphery of the pouring hole, and the sealing lid is provided on the plurality of grooves in such a manner as to close the pouring hole and is fixed to the container.

Abstract: According to one embodiment, a solid-state imaging device includes a first structure part, a second structure part, and a third structure part. The first structure part includes a first insulating body and a first photoelectric conversion part. The first photoelectric conversion part is periodically disposed in the first insulating body and selectively absorbs light in the first wavelength band. The second structure part includes a second insulating body and a second photoelectric conversion part. The second photoelectric conversion part is periodically disposed in the second insulating body and selectively absorbs light in the second wavelength band. The third structure part includes a third photoelectric conversion part. The third photoelectric conversion part absorbs light in a third wavelength band. When viewed in the light incidence direction, the first photoelectric conversion part, the second photoelectric conversion part, and the third photoelectric conversion part are disposed in this order.

Abstract: A secondary battery according to an embodiment includes a container having a pouring hole through which an electrolyte is poured, and housing the electrolyte, poured through the pouring hole, together with an electrode body; and a sealing lid fixed to the container and closing the pouring hole. The container has a plurality of grooves extending in parallel along the outer edge of the pouring hole, in a predetermined region that surrounds the periphery of the pouring hole, and the sealing lid is provided on the plurality of grooves in such a manner as to close the pouring hole and is fixed to the container.

Abstract: A stack forming apparatus according to embodiments comprises a nozzle and a controller. The nozzle is configured to selectively inject more than one kind of material to a target and to apply laser light to the injected material to melt the material. The controller is configured to control the kind and supply amount of material to be supplied to the nozzle.

Abstract: According to one embodiment, a solid state imaging device includes an imaging substrate unit, a lens unit, and a color filter unit. The imaging substrate unit has a major surface including first region and second regions including pixels. The lens unit is separated from the major surface in a first direction perpendicular to the major surface. The lens unit includes a first lens overlapping the pixels of the first region when projected onto the major surface and a second lens overlapping the pixels of the second region when projected onto the major surface. The color filter unit is provided between the imaging substrate unit and the lens unit and is separated from the imaging substrate unit. The color filter unit includes a first color filter provided between the first region and the first lens, and a second color filter provided between the second region and the second lens.

Abstract: An optical module comprises an apodizer includes a black resin layer having a concavity the diameter of which gradually changes in a direction light passes through the apodizer, and, provided in the concavity, a transparent resin layer having the same refractive index as the black resin layer, the black resin layer and the transparent resin layer having a total thickness of 0.001 to 0.10 mm, an input lens opposed to the black resin layer of the apodizer and an output lens opposed to the transparent resin layer of the apodizer.

Abstract: According to one embodiment, a display apparatus projects a light flux including image information toward one eye. The apparatus includes an image formation unit and a projection unit. The image formation unit is configured to emit the light flux. The projection unit includes a projection region limiting unit and a semi-transmissive reflective unit. The projection region limiting unit is configured to limit a width of the light flux emitted from the image formation unit. The semi-transmissive reflective unit is configured to reflect the light flux emitted from the projection region limiting unit. A distance between the semi-transmissive reflective unit and an imaging plane of the light flux is not more than 250 mm.

Abstract: According to one embodiment, a solid-state imaging element includes a substrate, and a plurality of color filters. A plurality of photoelectric conversion units is provided in the substrate. The plurality of color filters is provided respectively for the plurality of photoelectric conversion units. The plurality of color filters is configured to selectively transmit light of a designated wavelength band. Each of the plurality of color filters includes a stacked structure unit and a periodic structure unit. A plurality of layers having different refractive indexes is stacked in the stacked structure unit. A plurality of components is provided in the periodic structure unit at different periods according to the designated wavelength band and an incident angle of the light.

Abstract: An ultrasonic inspection device includes: a vibration generating section that irradiates laser beam onto a first member to generate ultrasonic vibration; a detecting section that detects the ultrasonic vibration propagated from the first to a second members via a welded portion; and an analyzing section that analyzes the propagated ultrasonic vibration detected by the detecting section. The analyzing section obtains at least one of frequency and wavelength of the ultrasonic vibration detected by the detecting section upon when a displacement in the second member in a thickness direction becomes maximum. The analyzing section obtains a cross sectional dimension of the welded portion from a correlated relationship of the cross sectional dimension of the welded portion obtained in advance at a position on a surface of the second member on the first member side and the at least one of the frequency and wavelength of the ultrasonic vibration.

Abstract: According to one embodiment, a manufacturing method of an electronic component comprises laminating aluminum plates via a nickel member in at least a part thereof; forming a bus bar having welded portions and non-welded portions by welding part of the laminated aluminum plates and the nickel member at positions; and welding an electrode terminal of an electronic component to the aluminum plates and the nickel member.

Abstract: According to one embodiment, in a manufacturing method of a sealed secondary battery of the embodiment, a first sealing body, which is configured to seal an opening portion of a lid body to cover the opening portion and is formed into a sheet-like shape by using a metal material, is placed on the lid body, and the first sealing body is welded to the lid body. The sealed secondary battery having the first sealing body welded thereto is charged, and the sealed secondary battery is discharged after the charge. A hole is bored in the first sealing body to form a hole portion after the discharge, a second sealing body is placed to cover the first sealing body, and the second sealing body is welded to the lid body through the first sealing body.

Abstract: A solid-state imaging device includes: a substrate including a plurality of light receiving sections; and a color filter including a guided-mode resonant grating provided immediately above each of the plurality of light receiving sections, at least one of an upper surface and a lower surface of the guided-mode resonant grating being covered with a layer having a lower refractive index than the guided-mode resonant grating.

Abstract: According to one embodiment, an image display device includes first and second display devices and an optical plate. The first display device includes a first display region and a frame region provided around the first display region. The second display device includes a second display region and a frame region provided around the second display region. The optical plate covers the first and second display regions and includes a light incident surface and a light exit surface. The light incident surface opposes the first and second display regions. The optical plate is configured to emit at least a portion of light emitted from any first point of the first display region and incident on an opposing point of the first point of the light incident surface in a direction from the first display region side toward the second display region side.

Abstract: According to one embodiment, a display device, includes an image projection unit and an optical unit. The image projection unit includes a laser beam source configured to emit a laser beam including image information, and a scanning unit configured to scan the laser beam. The optical unit includes a reflecting unit. The reflecting unit includes a plurality of half mirrors stacked with each other. The scanned laser beam is sequentially incident on the plurality of half mirrors. Respective reflected laser beams produced by being reflected by each of the half mirrors pass through a plurality of mutually-different points.

Abstract: According to one embodiment, an optical element includes a first optical sheet having a first major surface. The first optical sheet includes a first Fresnel lens provided in the first major surface. An optical axis of the first Fresnel lens at the first major surface is disposed at a position different from a position of a center of an outline of the first major surface.