Mitsubishi Denki Kabushiki Kaisha

Sei Tsunoda

Hideharu Nobutoki

Noboru Mikami

Toshio Kobayashi

Yasuhiro Yoshida

Shigeru Aihara

Hisashi Shiota

Kouji Hamano

Suguru Nagae

Kikuo Hayama

Kazuhiko Tsutsumi

Daigo Takemura

Michio Murai

Hiroaki Urushibata

Yoshiyuki Nakaki

Takayuki Inuzuka

Shoji Yoshioka

Makiko Kise

Jun Aragane

Osamu Hiroi

Kenji Nomura

Kazuko Wakita

Koe Enmanji

Shigeo Tsuda

Hiromi Yamada

Yoshimi Sugimoto

There is provided a low dielectric constant material, which is excellent in thermal resistance, has low dielectric constant, and is applicable to a semiconductor device or electric appliances, an insulation film between semiconductor layers using the same, and the semiconductor device. The material is the low dielectric constant material having thermal resistance, which contains borazine skeletal molecules shown by the following formula (1) and the like in an inorganic or organic material molecule.

Low dielectric constant material having thermal resistance, insulation film between semiconductor layers using the same, and semiconductor device

To provide a practical thin type lithium ion secondary battery having a excellent safety and charge-discharge properties. A lithium ion secondary battery comprising a positive electrode a negative electrode a separator retaining an electrolytic solution, and an adhesive resin layer which connects said positive electrode and negative electrode to said separator characterized in that said adhesive resin layer comprises a polyvinylidene fluoride and an ionically-conducting polymer compound incorporated therein.

Lithium ion secondary battery and method of fabricating the same

There is provided a film, which is excellent in thermal resistance, has low dielectric constant, and is applicable to a semiconductor device or electric appliances. The low dielectric constant film having thermal resistance comprises molecules comprising boron, nitrogen, and hydrogen, wherein the number of the nitrogen atom is 0.7 to 1.3 and the number of the hydrogen atom is 1.0 to 2.2 based on one boron atom, and of which dielectric constant is at most3 2.4.

LOW DIELECTRIC CONSTANT FILM COMPOSED OF BORON, NITROGEN, AND HYDROGEN HAVING THERMAL RESISTANCE, PROCESS FOR FORMING THE FILM, USE OF THE FILM BETWEEN SEMICONDUCTOR DEVICE LAYERS, AND THE DEVICE FORMED FROM THE FILM

A lithium ion secondary battery having an electrode body including a positive electrode made of a positive electrode active material layer joined to a current collector, a negative electrode made of a negative electrode active material layer joined to a current collector, a separator which is disposed between the positive electrode and the negative electrode and retains an electrolytic solution containing lithium ions, and a porous adhesive resin layer which retains the electrolytic solution and joins the separator to at least one of the positive electrode active material layer and to the negative electrode active material layer, the electrode body being sealed into a packaging bag, wherein an adhesive resin film capable of absorbing the electrolytic solution and gelling adheres the electrode body to the packaging bag.

Lithium ion secondary battery

A photosensitive member for electrophotography having excellent electrophotographic characteristics such as chargeability, photosensitivity and dark attenuation, excellent corona resistance and excellent durability, which comprises an electrically conductive support and a photosensitive layer containing a resin binder and particles of a photoconductive phthalocyanine compound dispersed in said binder, said photosensitive layer containing at least one member selected from the group consisting of an electron acceptive material, a coupling agent, an antioxidant and a hydroxyl group-containing polymer.

Photosensitive member for electrophotography

A positive charge type organic photoconductor in which the surface of the photoconductor having a film thickness of from 10 to 30 .mu.m and containing at least from 15 to 40% by weight of a phthalocyanine type photoconductive compound in a resin binder, is treated with a reactive monomer or oligomer capable of extinguishing ionic active and radical active parts.

Positive charge type organic photoconductive layer

A photochromic material containing a copolymer of a spirobenzothiopyran derivative prepolymer and a liquid crystal prepolymer. In addition, a rewritable optical recording medium using the photochromic material. A rewritable optical recording medium obtained by coating a dispersed material, which is obtained by uniformly dispersing a spirobenzothiopyran derivative compound in a thermoplastic resin, on a substrate. A photochromic material capable of controlling a colored state and a decolorized state in a photon mode or a heat mode using an ultraviolet light source and a near-infrared light source. A rewritable optical recording medium capable of rewriting an information in a photon mode using a semiconductor laser.

Photochromic material and rewritable optical recording medium

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Tokyo, Japan

Sei Tsunoda