Kabushiki Kaisha Toshiba

Toshiba Matsushita Display Technology Co., Ltd.

Toshiba Corporation

Technology Research Association for Future Additive Manufacturing

Toshiba Medical Systems Corporation

Harison Toshiba Lighting Corporation

Naotada Okada

Takashi Sasaki

Haruhiko Okumura

Kazuo Horiuchi

Yusaku Konno

Yoshitaka Kawada

Susumu Yahagi

Masahiro Kato

Aira Hotta

Katsuhisa Homma

Natsuki Toyota

Toshitake Kitagawa

Hiroshi Ohno

Tsuyoshi Uemura

Yuji Sasaki

Mitsuo Sasaki

Hirofumi Kubota

Satoshi Tsuno

Satoshi Okutani

Junichi Tonotani

Shigeru Shimakawa

Shinji Saito

Takayuki Ogasahara

Kei Kaneko

Shoichi Kanayama

Keiji Suzuki

Rei Hashimoto

Ikuo Uematsu

Koichi Kokubun

Takashi Obara

Tsutomu Kakuno

Hideo Eto

Katsuo Iwata

Muneharu Akiyoshi

Ichiro Tono

Moto Yabuki

Tetsuo Sakai

Yasunobu Kai

Tsuyoshi Hagiwara

Kayoko Oomiya

Yasuhiro Akiyama

Kenta Fukatsu

Masami Hirata

Kazufumi Shiozawa

Kenichi Uchiyama

Isao Kishimoto

Tomoko Morioka

Osamu Nagahara

Minoru Inomoto

Ryuichi Togawa

Go Obara

Hideki Ookawa

Kitio Akiyama

Hiromi Suzuki

Ryuji Tsuchiya

Tomoko Nishino

Lisa Masuda

Masatoshi Ogawa

Hirozumi Nakamura

Tomoyuki Tada

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 configured to control the kind and supply amount of material to be supplied to the nozzle.

Stack forming apparatus and manufacturing method of stack formation

An additive manufacturing apparatus according to one embodiment includes a manufacturing unit, an elastic wave generation unit, an elastic wave detection unit, and an inspection unit. The manufacturing unit sequentially stacks a layer formed by emitting a first energy beam to a material and solidifying the material. The elastic wave generation unit emits a second energy beam to a manufactured object including the layer and generates an elastic wave propagating in the manufactured object. The elastic wave detection unit detects the elastic wave. The inspection unit inspects the manufactured object on the basis of a detection result from the elastic wave detection unit.

Additive manufacturing apparatus and additive manufacturing method

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.

A liquid removal apparatus is configured to remove a liquid by irradiating a laser beam on the liquid. The liquid is adhered to a surface of a member. The apparatus includes a laser light source, and an energy controller. The energy controller is configured to unevenly distribute an energy intensity at an irradiation surface by splitting, into a plurality of laser beams, a laser beam emitted from the laser light source and by overlaying a portion of the split plurality of laser beams at an irradiation position where the liquid is adhered.

Liquid removal apparatus and liquid removal method

A substrate including a photonic crystal has a compound semiconductor, dielectric layers, and a first semiconductor layer. The dielectric layers are provided on a surface of the compound semiconductor substrate and disposed at each grating point of a two-dimensional diffraction grating, each of the dielectric layers having an asymmetric shape in relation to at least one edge of the two-dimensional diffraction grating and having a refractive index lower than a refractive index of the compound semiconductor substrate. The first semiconductor layer includes a flat first face covering the dielectric layers and the surface of the compound semiconductor substrate, a layer constituting the first face containing a material capable of being lattice matched to a material constituting the compound semiconductor substrate.

Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser

The mobility of an optical processing apparatus is improved. There is provided an optical processing apparatus for scanning a processing region having an at least one-dimensional spread by moving a nozzle head while irradiating the processing region with an optical processing light beam via the nozzle head, including a light source that emits, to air, the optical processing light beam toward the nozzle head, a nozzle head that includes a hollow nozzle in a vertical direction and a light beam direction changing optical system which receives the light beam emitted from the light source and propagated in the air, and changes a propagation direction of the received light beam to a direction of a currently processed processing point in the processing region, and a main scanning direction moving mechanism that moves the nozzle head by causing the nozzle head to scan in a main scanning direction of the processing region.

Optical processing apparatus and shaping apparatus

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.

Welding apparatus and nozzle device

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.

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 which is fixed to the container and is closing the pouring hole. The sealing lid has a welding mark existing in a ring shape with a depth through the sealing lid to a lid body of the container, and an inner circumferential side molten mark existing in a ring shape overlapping with the welding mark, on the inner circumferential side of the welding mark in the sealing lid, with a depth corresponding to the thickness of the sealing lid.

Secondary battery and method of manufacturing the same

A powder convergence improves without varying the flow velocity and powder density of a powder flow. A processing nozzle includes an inner cone including a beam path that passes light from a light source, an outer cone arranged outside the inner cone, a fluid ejection channel formed by a gap between the inner cone and the outer cone, and including an ejection port that opens toward a process surface, and a fluid guide channel having a flow inlet for a fluid. The fluid guide channel guides the fluid toward the fluid ejection channel in a direction away from the beam path.

Processing nozzle, processing head, and optical machining apparatus

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.

Ultrasonic inspection device and method of ultrasonic inspection

The analyzer according to the embodiment comprises an irradiation optical part that irradiates a mixture inside reaction tubes with light from a light source. Moreover, a detection optical part detects light transmitted through the mixture. Moreover, the irradiation optical part comprises a first optical element in which the light source is disposed at the front focal position and that concentrates light from the light source. Moreover, a second optical element guides light transmitted through the first optical element to the reaction tubes. In addition, an incident numerical aperture adjustment member is provided at the rear side of the first optical element and adjusts the numerical aperture when light from the light source is incident on the reaction tubes.

Analyzer

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.

Sealed secondary battery and manufacturing method of sealed secondary battery

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.

Display device using coherent light beam and vehicle based thereon

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.

Growing community of inventors

Yokohama, Japan

Naotada Okada