Hitachi Chemical Company, Ltd.

Hitachi Cable, Inc.

Eisai Company, Limited

Nkk Corporation

National Institute of Advanced Industrial Science and Technology

Fuji Photo Optical Co., Ltd.

Daijyo Hashimoto

Hatachi Cable, Ltd.

Koichi Abe

Haruaki Sakurai

Shigeru Nobe

Kazuhiro Enomoto

Shigeo Toya

Shinya Abe

Isao Yamatsu

Takeshi Suzuki

Makoto Kaji

Kouji Yamada

Yuichi Inai

Hiroshi Matsutani

Yasunori Yoshie

Yoshikazu Suzuki

Tatsuo Teraoka

Osamu Tagaya

Kouichi Suzuki

Yoshiyuki Hiramoto

Yuko Uchimaru

Hirokazu Shiga

Koji Sasaki

Shigeki Hibi

Katsuya Tagami

Yasushi Okamoto

Tetsuya Kawahara

Koukichi Harada

Masanobu Shinoda

Masane Suzuki

Kaname Miyamoto

Naoki Kobayashi

Motonori Kanaya

Hirotoshi Numata

Hideyuki Takashima

Mitsumasa Zobuchi

Toshio Suzuki

Hiroshi Sibamoto

The present invention provides a composition for forming a silica-based film, the composition containing (a) a siloxane resin; (b) an organic solvent including at least one species of aprotic solvent; and (c) an onium salt.

Composition for forming silica-based film, method of forming silica-based film, and electronic component provided with silica-based film

Interlayer insulating films(insulating films) provided in a memory capacitor cellare formed between a gate electrodeand a counter electrodeC formed on a silicon wafer. The interlayer insulating filmscomprise a borazine-based resin, having a specific dielectric constant of no greater than 2.6, a Young's modulus of 5 GPa or greater and a leak current of no greater than 1&#xd7;10A/cm.

Borazine-based resin, process for its production, borazine-based resin composition, insulating film and method for its formation

The present invention provides a radiation curing composition comprising (a): a siloxane resin, (b): a photoacid generator or photobase generator, and (c): a solvent capable of dissolving component (a) and containing an aprotic solvent.

Radiation curable composition, storing method thereof, forming method of cured film, patterning method, use of pattern, electronic components and optical waveguide

The composition for forming silica based coating of the invention comprises siloxane resin such as an alkoxysilane as component (a), a solvent such as an alcohol capable of dissolving the siloxane resin as component (b), an ammonium salt, etc. as component (c) and a thermal decomposing/volatile compound as component (d), wherein the stress of the coating obtained by heat treatment at 150&#xb0; C./3 min is 10 MPa and the specific permittivity of the silica based coating obtained by final curing is less than 3.0. The composition for forming silica based coating according to the invention can form a silica based coating having low permittivity, excellent adhesion and sufficient mechanical strength.

Composition for forming silica based coating film, silica based coating film and method for preparation thereof, and electronic parts

Interlayer insulating films(insulating films) provided in a memory capacitor cellare formed between a gate electrodeand a counter electrodeC formed on a silicon waferThe interlayer insulating filmscomprise a borazine-based resin, having a specific dielectric constant of no greater than 2.6, a Young's modulus of 5 GPa or greater and a leak current of no greater than 1&#xd7;10A/cm.

Borazine-based resin, and method for production thereof, borazine based resin composition, insulating coating and method for formation thereof, and electronic parts having the insulating coating

The present invention provides a radiation curing composition comprising (a): a siloxane resin, (b): a photoacid generator or photobase generator, and (c): a solvent capable of dissolving component (a), and (d): a curing acceleration catalyst.

The present invention is a quinone derivative which exhibits excellent therapeutic activity represented by the general formula (I) or a pharmacologically acceptable salt thereof: ##STR1## wherein A stands for a group represented by the formula: ##STR2## (wherein R.sup.3, R.sup.4 and R.sup.5 is the same or different from each other and each stand for a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, an alkoxyalkyl group, an alkoxyalkoxy group, a cycloalkylalkoxy group, a thiol group or a thioalkyl group, with the proviso that R.sup.3 and R.sup.4 are each a lower alkoxy group

Quinone derivatives

Metal pipes containing optical fibers are connected to each other directly or indirectly by use of a sleeve. In case of using the sleeve, the sleeve is connected at one end to one of the metal pipes, after the optical fibers are connected. Then, the sleeve is elongated by a predetermined length, so that the sleeve is connected at the other end to the other metal pipe. Consequently, no tensile stress resides in the connected optical fibers in the connected structure. When the metal pipes are connected directly to each other, one or both of the metal pipes are elongated, after the optical fibers are connected. Then, the metal pipes are connected by use of the elongated portions. Consequently, the same result is obtained as using the sleeve.

Method for connecting optical fibers sealed in metal pipes

Metal pipes containing optical fibers are connected to each other directly or indirectly by use of a sleeve. In case of using the sleeve, the sleeve is connected at one end to one of the metal pipes, after the optical fibers are connected. Then, the sleeve is elongated by a predetermined length, so that the sleeve is connected at the other end to the other metal pipe. Consequently, no tensile stress resides in the connected optical fibers in the connected structure. When the metal pipes are connected directly to each other, one or both of the metal pipes are elongated, after the optical fibers are connected. Then, the metal pipes are connected by used of the elongated portions. Consequently, the same result is obtained as using the sleeve.

Connection structure of optical fibers sealed in metal pipes and method

A novel compound, 3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid, and a salt thereof are disclosed together with a number of different processes for the preparation of the compound. The uses of the novel compound as an agent for treating papillomata are also disclosed.

3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid composition

A novel compound, 3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid, and a salt thereof are disclosed together with a number of different processes for the preparation of the compound. The uses of the novel compound as an anticancer agent are also disclosed.

3,7,11,15-Tetramethyl-2,4,6,10,14,-hexadecapentaendic acid

A fiber for lateral beaming of a laser beam, wherein an affected portion in a cavity of an internal organ in a living body is irradiated by the laser beam in a through-endoscopic manner. The fiber for lateral beaming of the laser beam is constructed such that a transparent tubular member is coupled to the forward end portion of a fiber through two coating layers, and an anti-reflection coating layer is formed on a laser beam exiting surface of the transparent tubular member. Owing to the anti-reflection coating layer, this fiber for lateral beaming is free from the harmful leaking beam. Since the transparent tubular member is connected to the fiber through the two coating layes, the fiber can avoid being broken.

Fiber for lateral beaming of laser beam

An optical fiber joint and a method of forming such optical fiber joint being reinforced by a reinforcement material, having a prescribed coefficient of thermal expansion, integrally molded thereon by applying heat so as to obtain a predetermined thermal gradient in the reinforcing material, whereby bends in the optical fiber core wire joints are suppressed and the transmission loss of the optical fiber is reduced.

Optical fiber joints and method of joining optical fibers

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Hitachi, Japan

Koichi Abe