Hitachi, Ltd.

Dexerials Corporation

Adv Antest Corporation

Hitachi Power Semiconductor Device, Ltd.

Adin Research, Inc.

Tomcat Computer Incorporated

Dexerials Coporation

Canon Kabushiki Kaisha

Koji Sasaki

Masahiro Suzuki

Kenji Fujii

Akio Takada

Shinji Hiramitsu

Osamu Ikeda

Eiji Takahashi

Hiroyuki Ohta

Michiaki Hiyoshi

Masatoshi Sasaki

Hideo Miura

Takeshi Takahashi

Masato Nakamura

Mutsuhiro Mori

Keiji Matsumoto

Kazuhiro Asai

Kazuo Kishino

Jun Yamamuro

Yoshitaka Watanabe

Hideyuki Yano

Naoki Hanashima

Nobuyuki Koike

Tokio Yamagiwa

Isamu Yoshida

Kazuhiro Suzuki

Shingo Nagata

Takashi Tanaka

Hisashi Tanie

Eiichi Ide

Hiroshi Tazawa

Takashi Sekino

Masahisa Watanabe

Seiichiro Yaginuma

Seizo Nakano

Akihiro Tamba

Kisho Ashida

Mitsuo Arima

Toshiaki Sugawara

Tetsuya Masuishi

Keisuke Horiuchi

Hirokazu Inoue

Kunio Matsumoto

Ryotaro Murakami

Kunihito Uohashi

Satoshi Matsuyoshi

Hiroshi Sugata

Tuneo Kishi

Toshinori Watanabe

Hiroki Honma

Koichi Haruna

Katsunori Azuma

Chizuko Yasunobu

Nobuharu Suzuki

Kazuaki Oishi

Tadaaki Kariya

Noboru Horie

Ryozo Yoshino

Shosaku Ishihara

Yoshihito Asai

Hiroshi Shintani

Daisuke Kawase

Masahiro Oowada

Toru Tsubaki

Naoki Amano

Isao Nishida

Seiichi Hayakawa

Chie Kobayashi

Toru Nishigaki

Koji Kurokawa

Toshiharu Tanaka

Naoyuki Yamamoto

Ryouichi Kajiwara

Shigetaka Takeuchi

Michio Moriya

Katsuhiro Shindo

Yukinori Yamaoka

Toshiro Yamanaka

Naoto Saito

Yoshiaki Nagai

Takahiro Satake

Kazunori Chihara

Sigetaka Takeuchi

Minoru Yamakoshi

Yumiko Iizuka

Kouichi Miyagi

Hiroshi Motoyama

Teruo Yakata

Zhou Yaomin

To provide a polarization element having good polarization properties and excellent in heat dissipation property and manufacturing costs. In order to solve the above problem, a polarization elementof the present disclosure includes a substratemade of a transparent inorganic material; a grid structural bodywhich is made of a transparent material, and includes a base portionprovided along a surface of the substrateand protruding portionsprotruding from the base portionin a grid; and an optical functional layerwhich is formed on the protruding portions, and includes an absorptive layer for absorbing light, a reflective layer for reflecting light, or a multilayer having at least the absorptive layer and the reflective layer.

Polarization element, method of manufacturing polarization element, and head-up display apparatus

Provided is a semiconductor module comprising a power semiconductor chip, a base, an insulating substrate bonded to the base, a semiconductor chip bonded to the insulating substrate, and a case adhered to the base by means of an adhesive. The semiconductor module has a low variability but a high assembly quality and reliability enabling a decrease in stress between the case and an adhered portion of the base. The base includes a plate-like first material, and a second material coating the first material and having a linear coefficient of expansion greater than that of the first material. The case covers at least part of a side surface of the base and is adhered to the base at least on an upper surface of the base by means of the adhesive, and a linear expansion coefficient of the case is larger than the linear expansion coefficient of the first material.

Semiconductor module

Provided is a depolarizing plate having a superior degree of depolarization to conventional depolarizing plates. The depolarizing plate includes a light-transmitting substrate having a surface layer portion in which a fine pattern is provided that includes a plurality of curved lines randomly disposed at a pitch of no greater than a wavelength of light, and that exhibits structural birefringence.

Depolarizing plate

There is provided a novel and improved optical body, method for manufacturing an optical body, light-emitting apparatus, and display apparatus for amusement equipment capable of improving emitted luminance and transparency, the optical body including: a base material; and a light extraction section, formed on at least one surface of the base material, that extracts internally propagated light incident inside the base material from a side face of the base material to an outside of the base material. The light extraction section includes a concave-convex structure in which at least one of concavities and convexities has a frustum shape, a fill ratio of the concave-convex structure is 15% or greater, and a light transmittance is 50% or greater.

Optical body, method for manufacturing optical body, light-emitting apparatus, and display apparatus for amusement equipment

Provided are a polarizing plate having excellent optical characteristics, and a method for manufacturing the polarizing plate. The present invention is provided with: a translucent substrate through which light passes in a working band; a bundle structure layer constituted of a columnar sheaf comprising one or more material from among dielectrics, metals, and semiconductors, the bundle structure layer being formed on the translucent substrate; an absorption layer formed on the bundle structure layer; a dielectric layer formed on the absorption layer; and a reflection layer formed on the dielectric layer and arranged as a one-dimensional lattice at a pitch that is smaller than the wavelength of the light in the working band. Because the bundle structure layer increases light absorption and light scattering, the result is that reflectivity can be reduced and excellent optical characteristics obtained.

Polarizing plate having alternately stacked layers having different deposition directions

There is provided a novel and improved optical body, method for manufacturing an optical body, light-emitting apparatus, and image display apparatus capable of improving emitted luminance and transparency, the optical body including: a base material; and a light extraction section, formed on at least one surface of the base material, that extracts internally propagated light incident inside the base material from a side face of the base material to an outside of the base material. The light extraction section includes a concave-convex structure in which at least one of concavities and convexities has a frustum shape, a fill ratio of the concave-convex structure is 15% or greater, and a light transmittance is 50% or greater.

Optical body, method for manufacturing optical body, light-emitting apparatus, and image display apparatus

Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method

There is provided an optical body including: a base material; a second optical layer, formed on at least one surface of the base material, that reduces a reflection of extraneous light; and a first optical layer, laminated on top of a part of the second optical layer, that extracts internally propagating light incident inside the base material from a side face of the base material to an outside of the base material. On a surface of the first optical layer, a first concave-convex structure that reflects the internally propagating light is formed.

Optical body, method for manufacturing optical body, and light-emitting apparatus

Polarizing plate having absorption layer comprising only tantalum and niobium

There is provided an optical body including: a base material; and a light extraction unit that is formed on a surface of the base material and that extracts, to an outside of the base material, internally propagating light that is injected in an inside of the base material from a side surface of the base material. The light extraction unit is formed of a convex microlens array, and a maximum inclination angle of the convex microlens array substantially coincides with a maximum propagation angle of the internally propagating light.

Optical body and light emitting device

An information processing system includes a first information processing apparatus, which authenticates second and third information processing apparatuses, acquires first data from the second information processing apparatus, and transmits second data indicating a method of generating a key from the first data, to the second and third information processing apparatuses; the second information processing apparatus, which transmits the first data to the first and third information processing apparatuses, acquires the second data from the first information processing apparatus, generates the key based on the first and second data, and communicates with the third information processing apparatus based on the key; and the third information processing apparatus, which acquires the first data from the second information processing apparatus, acquires the second data from the first information processing apparatus, generates the key based on the first and second data, and communicates with the second information processing apparatus based on the key.

Information processing system, information processing method, and recording medium for improving security of encrypted communications

A power module or the like is provided in which lower inductance and miniaturization are achieved. The power module includes: main body units (to), cooling units (to) which cool the main body units (to), busbars () connected to power terminals () of the main body units (to), a casing (W) in which at least contact parts with the busbars () are insulative, and a metal member () which supports the casing (W). The metal member () tightly contacts the casing (W), thereby forming a box with one side opened. At least the main body units (to) and the busbars () are arranged inside the box. An insulating sealant is provided to fill the inside of the box.

Power module and method for manufacturing the same

This invention provides a polarization conversion element that is highly resistant to the heat and light that result from increased brightness levels. In said polarization conversion element, inorganic half-wave plates provided selectively on the output surface of a polarizing beam-splitter array have obliquely deposited layers comprising a dielectric material and the side surfaces of said obliquely deposited layers are covered by protective films.

Polarization conversion element, polarization-conversion-element manufacturing method, light-source unit, and optical device

This invention provides a polarization conversion element that is highly resistant to the heat and light that result from increased brightness levels. In said polarization conversion element, which is provided with a polarizing beam-splitter array in which polarizing beam splitters having polarization separation layers and reflecting prisms having reflective layers are bonded together in alternation, said polarizing beam splitters and reflecting prisms are bonded together by first adhesive layers each comprising a silicone adhesive.

Polarization conversion element and optical device

A wound core for stationary induction apparatus is provided that includes a wound core body, the core body being configured with laminated metal ribbons and provided in an upright manner, and a uniting binder provided on the outer circumference of the wound core body more sparsely toward the upper portion of the core body.

Wound core for stationary induction apparatus

Growing community of inventors

Tokyo, Japan

Koji Sasaki