Teijin Limited

Renesas Electronics Corporation

Tokyo Institute of Technology

Teijin Dupont Films Japan Limited

Takanori Miyoshi

Shunichi Matsumura

Hiroyoshi Minematsu

Shinya Komura

Eiichi Kitazono

Yoshiyuki Amanuma

Hiroaki Kaneko

Hiroshi Sakurai

Takeyuki Kawaguchi

Yoshihiko Sumi

Takashi Ito

Akimichi Oda

Toyoaki Ishiwata

Ryuji Nonokawa

Koji Kubo

Katsushi Sasaki

Wataru Funakoshi

Hiroaki Kuwahara

Yuichi Kageyama

Susumu Maruo

Yukako Fukuhira

Rei Nishio

Michio Iwai

Eiichi Yasuda

Mitsunao Kakuta

Keiichi Miyamoto

Hitoshi Hirata

Yusuke Sato

A semiconductor integrated circuit includes a logic circuit including a plurality of storage elements which can each store 1-bit information and an attack detection circuit, the attack detection circuit includes an error determination circuit which can detect through a logic operation that errors have occurred in codes stored in said a plurality of storage elements, and a light irradiation detection circuit which has a light detection element and can detect light irradiation, a light detection element is disposed in the center of area for detecting light irradiation surrounding a plurality of storage elements. It is determined that the logic circuit has been attacked from outside when the error determination circuit detects an error or the light irradiation detection circuit detects light irradiation.

Semiconductor integrated circuit

A logic circuit includes n storage elements (n is a positive integer) which can each store 1-bit information, and an attack detection circuit. The attack detection circuit includes an error determination circuit which can detect through a logic operation that k-bit or less errors (k is a positive integer) have occurred in n-bit codes stored in the n storage elements, and a light irradiation detection circuit which has light detection elements and can detect that light has been irradiated to (k+1) or more of the n storage elements, and it is determined that the logic circuit has been attacked from outside when the error determination circuit detects an error or the light irradiation detection circuit detects light irradiation.

A carbon fiber having a lattice spacing (d) of 0.336 nm to 0.338 nm and a crystallite size (Lc) of 50 nm to 150 nm as measured and evaluated by X-ray diffraction and a fiber diameter of 10 nm to 500 nm, the carbon fiber having no branched structure.

Carbon fiber and method for producing the same

A method of a semiconductor integrated circuit comprising a logic circuit including n storage elements (n is a positive integer) which can each store 1-bit information and an attack detection circuit, the method including detecting, by an error determination circuit, through a logic operation that k-bit or less errors (k is a positive integer) have occurred in n-bit codes stored in the n storage elements, and detecting, by a light irradiation detection circuit which includes light detection elements, that light has been irradiated to (k+1) or more of the n storage elements. It is determined that the logic circuit has been attacked from outside when the error determination circuit detects an error or the light irradiation detection circuit detects light irradiation.

A semiconductor integrated circuit includes a logic circuit, the logic circuit including an attack detection circuit for checking multi-bit storage. The attack detection circuit includes an error determination circuit capable of detection through a logic operation such as a code theory and a light irradiation detection circuit having light detection elements, and the light detection elements are arranged so that the light irradiation detection circuit can detect errors of the number of bits beyond the detection limit of the error determination circuit. Due to error detection by the error determination circuit and light irradiation detection by the light irradiation detection circuit, the circuits complementarily detect fault attacks from outside.

A laminated film comprising a porous semiconductor layer, a transparent conductive layer and a transparent plastic film, wherein

Dye-sensitized solar cell, and electrode and laminated film for the same

A process for production of a nonwoven fabric, which comprises a step wherein a thermoplastic polymer is dissolved in a mixed solvent composed of a volatile good solvent and a volatile poor solvent, a step wherein the resulting solution is spun by an electrospinning method and a step wherein a nonwoven fabric accumulated on a collecting sheet is obtained, is employed to provide a nonwoven fabric having a surface area sufficiently large as a matrix for cell culturing in the field of regenerative medicine, with large gaps between filaments and a low apparent density suitable for cell culturing.

Nonwoven fabric and process for producing the same

A process for the preparation of a polycarbonate containing a plant-derived component excellent in hue by using a plant-derived anhydrosugar alcohol represented by the following formula (1) or a composition thereof as a raw material: wherein Rto Reach independently represent a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group and an aryl group.

Polycarbonate containing plant-derived component and process for the preparation thereof

A cylindrical body is produced which is composed of a fiber structure with a basis weight of 1-50 g/mand having a diameter of 0.5-50 mm and a bellows-shaped section, wherein the crest-to-crest spacing of the bellows-shaped section is no greater than 2 mm and the crest-to-valley depth of the bellows-shaped section is 0.01-1 mm; collagen is added to the cylindrical body to produce a composite including the cylindrical body and collagen.

Composite of support matrix and collagen, and method for production of support matrix and composite

The object of the invention is to provide plant-derived component-containing polycarbonates with improved color tone, and a process for their production. This object of the invention is achieved by reducing the inorganic impurities in the polymer starting material and by reducing the inorganic impurities in the polymer product.

Plant-derived component-containing polycarbonates and process for their production

Inorganic fibers consisting substantially of silicon, carbon, oxygen and a transition metal, having a fiber size of no greater than 2 &#x3bc;m and having fiber lengths of 100 &#x3bc;m or greater.

Inorganic fibers, fiber structure and process for their production

A wholly aromatic polyester carbonate having a good color and excellent heat resistant stability. This polymer had an extremely low alkali metal content of 10 ppm or less. This polymer is advantageously produced by reacting an aromatic dicarboxylic acid, aromatic diol and diaryl carbonate in a specific molar ratio in the presence of a pyridine-based compound as a catalyst.

Wholly aromatic polyester carbonate and process therefor

The adhesive agent composition of the present invention comprises from 50 to 90% by weight of an acrylic adhesive agent, 2.5 to 50% by weight of a polyhydric alcohol-containing liquid component, and 0.01 to 10% by weight of a salt of a mono- to tri-valence metal of an aliphatic acid that contains a hydrocarbon group of 8 to 18 carbon atoms. The adhesive agent composition shows good adhesion, cohesive force and permeability, and an adhesive drug composition having the above properties can be prepared by adding a drug (medicine, etc.) to the adhesive composition. An adhesive tape excellent in permeability or an adhesive tape preparation excellent in permeability and cutaneous absorption of the drug can be produced by coating a substrate with the adhesive agent composition or adhesive drug composition.

PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND MOISTURE-PERMEABLE PRESSURE-SENSITIVE ADHESIVE TAPE, PRESSURE-SENSITIVE ADHESIVE DRUG COMPOSITION, AND PRESSURE-SENSITIVE ADHESIVE TAPE PREPARATION EACH CONTAINING THE COMPOSITION

Aromatic polycarbonate and production process therefor

A process for producing a wholly aromatic polyester which is excellent in heat resistance, mechanical properties and yet color and has a high degree of polymerization by melt polymerizing a dicarboxylic acid and a diol directly on an industrial scale at a low cost in a short period of time without esterifying the dicarboxylic acid or diol in advance. To produce the wholly aromatic polyester by reacting and molding an aromatic dicarboxylic acid such as terephthalic acid, an aromatic diol such as 2,2-bis(4-hydroxyphenyl)propane and a diaryl carbonate by heating, a combination of a specific pyridine compound and an alkali metal (bi)carbonate, a combination of a specific pyridine compound and an organic tin compound or a specific titanium compound is existent as a catalyst. Thereby, the wholly aromatic polyester having the above properties is obtained.

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Iwakuni, Japan

Takanori Miyoshi