Sanyo Electric Co., Ltd.

Hiroaki Izu

Hitoshi Hirano

Keiichi Kuramoto

Masayuki Hata

Tsutomu Yamaguchi

Yasuhiko Nomura

Takashi Kano

Mitsuaki Matsumoto

Hiroki Ohbo

Youhei Nakagawa

Nobuhiko Hayashi

Koji Yamano

Mutsumi Yano

Masayuki Shono

Ryoji Hiroyama

Seiichi Kiyama

Akira Terakawa

Takahisa Iida

Yasuaki Yamamoto

Kiyoshi Oota

Takahisa Sakakibara

Koji Nishio

Mamoru Kimoto

Takashi Umemoto

Hiroshi Nonoue

Kazuhiro Takatani

Yoichi Domoto

Yukinori Kuwano

Keiichi Sano

Shigeru Noguchi

Wataru Shinohara

Ikuro Nakane

Satoshi Ishida

Hiroshi Hosokawa

Takashi Kuwahara

Hiroyuki Kuriyama

Yukio Nakashima

Atsushi Furuzawa

Masato Nishikuni

Shinya Tsuda

Tatsuya Kura

Makoto Tanaka

Takeo Tsutsumi

A solid electrolytic capacitor includes a capacitor element having an anode portion, a dielectric film and a cathode portion, an anode lead frame, a cathode lead frame, and a molded resin for covering at least a part of the anode and cathode lead frames and the capacitor element. In a cathode lead frame opposed portion opposed to the capacitor element with a conductive adhesive material being interposed is provided with a through hole having a narrowed portion smaller in diameter than other portions between a capacitor-element-side opening portion and a molded-resin-side opening portion, and the conductive adhesive material is formed in the through hole.

Solid electrolytic capacitor having a cathode lead frame

A semiconductor laser device capable of reducing the threshold current and improving luminous efficiency and a method of fabricating the same are obtained. This semiconductor laser device comprises a semiconductor substrate having a principal surface and a semiconductor element layer, formed on the principal surface of the semiconductor substrate, having a principal surface substantially inclined with respect to the principal surface of the semiconductor substrate and including an emission layer.

Semiconductor laser device and method of fabricating the same

An integrated semiconductor laser device capable of improving the properties of a laser beam and reducing the cost for optical axis adjustment is provided. This integrated semiconductor laser device comprises a first semiconductor laser element including a first emission region and having either a projecting portion or a recess portion and a second semiconductor laser element including a second emission region and having either a recess portion or a projecting portion. Either the projecting portion or the recess portion of the first semiconductor laser element is fitted to either the recess portion or the projecting portion of the second semiconductor laser element.

Integrated semiconductor laser device and method of fabricating the same

An optical waveguide in which a groove is formed on the top surface of a substrate used as a lower clad and a core is formed in the groove, characterized in that the core is formed in such a way that the top face of the core within the groove is at a lower level than the top face of the substrate, and an upper clad may also be provided on the core, and the core is preferably formed from an organic-inorganic hybrid material.

Optical waveguide, optical transmitter and receiver module, and laminated structure

Provided is a manufacturing method of a nitride semiconductor device having a nitride semiconductor substrate (e.g. GaN substrate) in which dislocation concentrated regions align in stripe formation, the dislocation concentrated regions extending from a front surface to a back surface of the substrate, the manufacturing method being for stacking each of a plurality of nitride semiconductor layers on the front surface of the substrate in a constant film thickness. Grooves are formed on the nitride semiconductor substrate in the immediate areas of dislocation concentrated regions. Each of the nitride semiconductor layers is formed as a crystal growth layer on the main surface of the nitride semiconductor substrate to which the grooves have been formed.

Manufacturing method of nitride semiconductor device and nitride semiconductor device

A solid electrolytic capacitor includes a capacitor element having a niobium oxide layer arranged between an anode and a cathode, and an outer package covering the capacitor element. The niobium oxide layer contains fluorine and phosphorus, and the outer package contains epoxy resin, phenol resin, filler and an imidazole compound.

Solid electrolytic capacitor and method of manufacturing solid electrolytic capacitor

In the optical waveguide which comprises a core layer to be an optical transmission region and an upper clad layer and a lower clad layer covering the surrounding of the core layer and of which the upper clad layer is formed while being shrunk in the volume, a stress moderating layer formed a material with a smaller storage modulus than that of the upper clad layer is formed between the upper clad layer and the lower clad layer in at least a portion of a region where the upper clad layer and the lower clad layer are brought into contact with each other.

Optical waveguide

A capacitor element comprises an anode, a dielectric layer formed on the anode, an electrolyte layer formed on the dielectric layer, and a cathode formed on the electrolyte layer. On the cathode formed by the surface of the capacitor element, a conductive adhesive layer containing silver particles and an organic silane layer made from aminopropyltriethoxysilane (APTES) are sequentially formed, and the cathode and a cathode terminal are connected through the conductive adhesive layer and the organic silane layer. In addition, an anode terminal is connected to an anode lead which exposed from the anode by welding.

Capacitors and methods for manufacturing the same

An optical device includes a substrate, a core provided on the substrate, a first clad and a second clad formed around the core. The optical device further includes a light absorber layer, provided on the substrate, which absorbs light leaked from the core. The light absorber layer is formed of, for instance, the same material as that constituting the core.

Optical device and method for manufacturing the same

An organic-inorganic composite material is formed by polycondensating a metal alkoxide through hydrolysis until the unreacted metal alkoxide is reduced to 3 vol. % or less, and mixing it with an organic polymer. The composite material has a light transmittance of at least 90% per 10 &#x3bc;m material thickness for light of 600 to 1000 nm. The metal element content of the composite material is preferably 0.1 to 46 wt. %, more preferably 5 to 37 wt. %. By laminating layers of such organic-inorganic composite materials having respective different compositions, the resulting laminate has a concentration gradient wherein the metal element content increases or decreases monotonously, or increases and decreases in succession, from one side to the other side of the laminate. The resulting refractive index varies opposite the metal element content. The material can be used for an optical waveguide or a light transmission structure.

Organic-inorganic composite material and laminate, optical waveguide and light transmission structure comprising the same

A gradient-index lens is structured by a multilayer film that includes therein a plurality of layers each of which has different refractive index and layer thickness from the other.

Gradient-index lens and composite optical element utilizing the same

A method of producing an organic-inorganic composite material formed from an organic polymer and a metal alkoxide, comprising the steps of polycondensating the metal alkoxide through hydrolysis until the unreacted metal alkoxide is reduced to 3 vol. % or less, and mixing it with the organic polymer to form the organic-inorganic composite material. By laminating such organic-inorganic composite materials, the resulting laminate is provided with a concentration gradation wherein the metal element of the metal alkoxide is increased or decreased from one side to the other side of the laminate.

Method of producing organic-inorganic composite material and organic-inorganic composite material

Growing community of inventors

Hirakata, Japan

Hiroaki Izu