Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Research Development Corporation of Japan

Other

Du Pont Toray Company Limited

Taiyo Shokai Co., Ltd.

Matsushita Electronic Components Co., Ltd.

Naomi Nishiki

Atsushi Tanaka

Hidetoshi Kitaura

Kimiaki Nakaya

Kazuhiro Nishikawa

Takao Inoue

Junji Ikeda

Mutsuaki Murakami

Kazuhiro Watanabe

Daido Komyoji

Makoto Morita

Katsuyuki Nakamura

Takashi Ichiyanagi

Susumu Yoshimura

Tsutomu Kawashima

Masahisa Fujimoto

Kazuhiro Mori

Akira Kano

Hiroyuki Naka

Masato Mori

Yuji Uesugi

Kiyohiro Hine

Katsuhiko Yamamoto

Norio Fujiwara

Naofumi Yasuda

Honami Nawa

Yoshikazu Iwai

Kiyohito Miwa

Shigeki Sakaguchi

Yuji Tsutsui

Ryou Kuwabara

Toshiharu Hoshi

Katsufumi Shimanaka

Ayumu Takakuwa

Hisashi Okada

Yasuhiro Akiba

Hiroaki Ishio

Akiyoshi Azechi

Noboru Izutani

Noriko Toida

Yasuyuki Watanabe

Tosinobu Yokoyama

Eiichiro Matsubara

Kiyotaka Ihara

Henrik Rønnow

Motonori Shimamura

Tetsuyuki Watanabe

A heat sink includes a graphite plate, two base materials each of which is disposed adjacent to the graphite plate, and a fixing member, in which the graphite plate has a strip shape and includes a fin portion and a base portion provided at one end of the fin portion, the base material includes a hole into which the fixing member can be inserted, the fixing member is inserted into the holes of the two base materials so that the two base materials are disposed to be adjacent to both sides of the base portion in a thickness direction, the base portion is in close contact with the base material adjacent to each other on both sides of the base portion in the thickness direction, the adjacent base materials are crimped and fixed by the fixing member in a state of being in close contact with each other, and in a case where a surface roughness of the fin portion is defined as Ra1, a surface roughness of the base material is defined as Ra2, and a surface roughness of the base portion is defined as Ra3, a relationship of Ra1&#x3e;Ra2&#x2265;Ra3 is satisfied.

Heat sink and method of manufacturing the same

Provided is a graphite plate, consisting essentially of: graphite; and pores, wherein said graphite plate has a porosity from 1% to 30%. Further provided is a method for producing a graphite plate, including: applying welding pressure to at least one glass-like carbon material in a state in which said at least one glass-like carbon material is maintained in an inert atmosphere under heating conditions, to produce a graphite plate having a porosity from 1% to 30%.

Graphite plate and production method thereof

Provided is a graphite laminated body having excellent properties such as excellent mechanical properties, excellent heat resistance, and excellent thermal conductivity. In particular, provided is a graphite laminated body comprising a graphite film, a non-thermoplastic polyimide film, and an adhesive layer for bonding the graphite film to the non-thermoplastic polyimide film, the adhesive layer being made of a thermoplastic polyimide or a fluororesin.

Graphite laminated body

A graphite material has a flexible part and can be utilized as a heat-conveying material in a narrow space. The graphite material, includes: at least one heat-conveying part; and a flexible part. A method for producing a graphite material, includes: (i) subjecting at least one film serving as a material to a heat treatment to obtain at least one carbonaceous film; (ii) providing a monolayer or multilayer structure including the at least one carbonaceous film; and (iii) applying heat and pressure to at least one part of the monolayer or multilayer structure in an inert atmosphere.

Graphite material and production method thereof

A graphite-silicon composite, including: graphite; silicon; and an intermediate layer that is located between the graphite and the silicon, wherein the intermediate layer includes oxygen, carbon and silicon. Furthermore, provided is a method for producing a graphite-silicon composite, including: layering graphite and silicon; and heating the layered graphite and silicon while applying pressure to them, wherein, during heating the layered graphite and silicon while applying pressure to them, an oxygen concentration in the atmosphere is adjusted to 0.2 vol %, the applied pressure is adjusted to 24.5 MPa or higher, and the heating temperature is adjusted to 1260&#xb0; C. or higher.

Graphite-silicon composite and production method thereof

The clothing having a frontal land and a rear land includes: a thermal storage unit provided on at least one portion of the frontal land of the clothing; and a planar thermoconductive sheet located in a planar between the frontal land and the rear land, the planar thermoconductive sheet having a thermal conduction path to the thermal storage unit, and the planar thermoconductive sheet being higher in thermoconductivity than the frontal land and the rear land. The planar thermoconductive sheet includes a resin component and graphite particles. Basal plane of each graphite particle is parallel to the direction of the plane of the planar thermoconductive sheet.

Clothing having cooling function or warming function

A dispersion of suspended single-layer graphene, multilayer graphene, and graphite is used. A magnetic field is applied to the dispersion to separate the single-layer graphene from the dispersion. By applying the magnetic field, the single-layer graphene, the multilayer graphene, and the graphite are situated at different locations in solvent by the difference in the diamagnetism strengths of the single-layer graphene, the multilayer graphene, and the graphite.

Method for producing graphene

A heat conductor includes a first layer containing a first resin component and first flake graphite fillers each having a basal plane; and a second layer containing a second resin component and second flake graphite fillers each having a basal plane. The heat conductor is a laminate including the first layer and the second layer, an average of first angles in the first layer is 35 degrees or smaller, each of the first angles is an acute angle between the basal plane of a corresponding one of the first flake graphite fillers and a first laminated surface of the laminate, an average of second angles in the second layer ranges from 55 degrees to 90 degrees, and each of the second angles is an acute angle between the basal plane of a corresponding one of the second flake graphite fillers and a second laminated surface of the laminate.

Heat conductor and device including the same

A method for producing a vitreous carbon material which can serve as a carbon material for a power storage device. In the method, a polymer material, having six-membered ring structures in its basic carbon skeleton and having a nitrogen atom, is heated at a temperature of 1000&#xb0; C. to 2100&#xb0; C. under an inert gas environment, and then, the polymer material is pulverized, to thereby control graphitization and crystal growth of the carbon material, thus producing a vitreous carbon material which serves as a carbon material for a power storage device.

Carbon material for power storage device electrode, method of producing the same and power storage device using the same

An object of the present invention is to provide an anisotropic heat conductive composition comprising: resin; and graphite fillers dispersed into the resin, wherein the graphite fillers each have a maximum diameter A in parallel with a basal plane of each of the graphite fillers and a maximum length C perpendicular to the basal plane, an average of the maximum diameters A ranges from 1 &#x3bc;m to 300 &#x3bc;m, an average ratio of the maximum diameter A to the maximum length C represented by A/C is at least 30, a content of the graphite fillers is 20 mass % to 40 mass %, and an average of a smaller angle made by the basal plane and a sheet surface of the sheet anisotropic heat conductive composition is less than 15&#xb0;.

Anisotropic heat conductive composition

The present invention relates to an anisotropic heat conductive composition including flake graphite particles and a resin composition for the particles to be dispersed therein. When the particles have a basal plane, a maximum diameter a in a direction of the basal plane, and a thickness c perpendicular to the basal plane, a/c is 30 or more on average, and a content of the particles is more than 40 mass % and 90 mass % or less. Since the composition includes the particles having a particular shape, when it is formed into a sheet, an anisotropic heat conductive path can be efficiently created therein. Thus, the present invention can provide a molded product in sheet form, suited to have therein a heat conductive path capable of dispersing heat from a high temperature region to a low temperature region.

Anisotropic heat conductive composition and molded product thereof

A graphite structure includes a graphite plate () that is made of a highly heat conductive material and has a thickness of 15 &#x3bc;m or less. A Ti layer () having a thickness of 10 nm to 200 nm covers the inner surfaces of through holes () penetrating the laminate of the graphite plate () from the front side to the back side of the laminate. Furthermore, continuous holes () are formed inside the through holes (). This configuration can achieve a smaller thickness and high reliability while keeping high thermal conductivity of graphite.

Graphite structure, and electronic device using the same

The present invention has an object to provide a rotating polishing tool with high durability that can finish a polished surface with desired surface roughness. As means thereof, a substantially cylindrical polishing memberis constituted by a pair of polishing unitsat opposite ends, and an intermediate portionprovided between the pair of polishing units. The polishing memberis rotatably supported around the central axis thereof, and polishes a polished surface with a peripheral surface thereof. The polishing unitincludes a plurality of abrasive cloth/paper sheetspressingly held by an inner metal fitting, and forms peripheral edges of the abrasive cloth/paper sheetsinto a serpentine shape. The intermediate portionincludes a plurality of laminated abrasive cloth/paper sheetsaxially pressingly held by the polishing units. The intermediate portionis caused to fit along the polishing unitsto form the peripheral edge of each abrasive cloth/paper sheetinto a serpentine shape. No clearance is created between the abrasive cloth/paper sheets, thereby stabilizing surface roughness of the polished surface and increasing durability of the polishing member

Rotating polishing tool

A method of manufacturing a shadow mask assembly, in which a shadow mask is fastened to a support frame in a tensioned state, includes applying a preliminary tension force with a magnitude of 9.8 to 490 N to the four corners of the shadow mask outwardly aslant with respect to sides of the shadow mask. A main tension force is then applied to each of at least a pair of mutually opposite sides of the shadow mask outwardly perpendicularly to the sides. Thereafter, the shadow mask to which the main tension forces have been applied is fastened to the frame side of the support frame.

Shadow mask assembly manufacturing method and cathode ray tube manufacturing method

In a heat conducting unit, a heat conducting member composed of a material with good heat conductivity shaped in correspondence with the shape of a heat path is contained in a container made of a flexible sheet having a given thickness. The heat conducting member contained in the container connects at least two parts at different temperatures to form the heat path for efficiently transferring heat generated in a higher-temperature part to a lower-temperature part. Heat is dissipated away from the lower-temperature part through the heat path to cool the higher-temperature part.

Thermal conductive unit and thermal connection structure using the same

Growing community of inventors

Kyoto, Japan

Naomi Nishiki