Abstract: An electrode for electrolytic capacitors having a large capacitance and having excellent tan ?, heat resistance, humidity resistance and stability. An electrolytic capacitor using the electrode. An electrode obtained by attaching a compound having a siloxane bond onto the surface of an electrode body comprising a valve-acting metal having formed thereon a dielectric film. The compound having a siloxane bond is attached by coating, dipping or vapor deposition. A solid electrolytic capacitor obtained by forming an electrolyte comprising an electrically conducting polymer on the electrode.

Abstract: An object of the present invention is to provide a transparent noise-barrier wall which is slow to foul, easy to clean even when fouled, and capable of maintaining these effects over a long period of time. The transparent noise-barrier wall has brookite titanium dioxide substantially existing on the surface. The titanium dioxide particles preferably contain about 20% by mass or more of brookite titanium dioxide.

Abstract: The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a polymerizable compound having low viscosity, and good polymerizability and stability for use in the polymerizable composition. The present invention also provides primary and secondary batteries capable of working with high capacity and current; an electric double-layer capacitor ensuring high output voltage, large takeout current, and good processability; and an electrochromic device favored with high response speed. Each thereof use the solid polymer electrolyte of the present invention and are ensured with long life, excellent safety free of liquid leakage, high reliability and production at a low cost.

Abstract: A magnetic recording medium comprising a glass substrate having grooves on the surface thereof, an orientation-determining layer, a non-magnetic undercoat layer, a magnetic layer, and a protective film, the layers and film being successively formed on the substrate. The orientation-determining layer contains at least one element selected from the group consisting of Co, Ni, and Fe and at least one element selected from the group consisting of W, Mo, Ta, and Nb.

Abstract: In a capacitor comprising a pair of electrodes and a dielectric substance intervening between the two electrodes, one of the electrodes is composed of sintered niobium nitride. Preferably, the dielectric substance is composed of niobium oxide and the electrode other than the electrode composed of sintered niobium nitride is composed of an ingredient selected from electrolytes, organic semiconductors and inorganic semiconductors. This capacitor has good environmental stability and good leak current characteristics.

Abstract: A fine carbon fiber having a multilayer structure having stacked cylindrical carbon sheets and a center axis having a hollow structure. The fine carbon fiber has an outer diameter of 2 to 300 nm and an aspect ratio of 10 to 15,000, and at least one cylindrical carbon sheet layer among the multiple layers is folded at an end part of the carbon fiber and continued to another cylindrical carbon sheet. The folded and continued cylindrical carbon sheets form a cylindrical structure opened at the end part.

Abstract: A process for producing a perfluorocyclicamine which includes electrolytically fluorinating a triallylamine in anhydrous liquid hydrogen fluoride. A constant boiling composition and process for producing the same is also described.

Abstract: The present invention solves the problem of conventional group-III nitride semiconductor LED in that, since the LED driving current is supplied only from a pad electrode serving also as an ohmic electrode, the driving current cannot diffuse over a wide range of the light-emitting region and a group-III nitride semiconductor LED having high light emission intensity cannot be successfully provided. A group-III nitride semiconductor LED having high light emission intensity, which is fabricated using a stacked layer structure obtained by providing a surface ohmic electrode, a window layer including an electrically conducting transparent oxide crystal layer and a pad electrode on an electrically conducting substrate through a boron phosphide (BP)-based buffer layer to allow the driving current to diffuse over a wide range of the light-emitting region is provided.

Abstract: A magnetic recording medium comprises a substrate, an undercoat layer, a magnetic layer, and a protective film. The undercoat layer and the magnetic layer are provided atop the substrate. The magnetic layer contains a noble metal layer containing Pt or Pd, a cobalt layer containing Co, and a non-magnetic material layer containing C or Si or Ge.

Abstract: A niobium powder having a nitrogen content of about 500—about 7,000 ppm by weight, and having a mean particle diameter of at least about 0.2 ?m and less than about 3 ?m. Preferably the niobium powder has a reduced content of impurities. A sintered body of the niobium powder. This sintered body generally has a specific leakage current index of not more than about 400 [pA/(?F·V)]. The capacitor having (i) an electrode composed of the sintered body, (ii) a counter electrode and (iii) a dielectric intervening between the two electrodes exhibits good leakage current characteristics.

Abstract: A magnetic recording medium comprises a non-magnetic substrate, a non-magnetic undercoat layer, a magnetic layer, and a protective film, the layers and film being successively formed on the substrate. The non-magnetic undercoat layer has a multi-layer structure formed of at least two layers and contains a layer A formed of a material selected from a Cr—Ta based alloy, a Cr—Nb-based alloy, a Cr—Ti based alloy, a Cr—Zr-based alloy, and a Cr—Hf-based alloy, and a layer B formed of a material selected from a Co—W based alloy, a Co—W—B-based alloy, a Co—Mo based alloy, a Co—Mo—B based alloy, a Co—W—Mo based alloy, and a Co—W—Mo—B based alloy. The layers A and B are provided in this order from the non-magnetic substrate. A process for producing the medium comprises exposing the surface of the layer B to an oxygen atmosphere.

Abstract: A magnetic recording medium having a non-magnetic substrate, a non-magnetic undercoat layer, a plurality of magnetic layers, and a protective film, is disclosed. At least one non-magnetic coupling layer is provided above the non-magnetic undercoat layer, a first magnetic layer is provided beneath the non-magnetic coupling layer and a second magnetic layer is provided atop the non-magnetic coupling layer, and the first magnetic layer is formed of a CoRu-based alloy, a CoRe-based alloy, a CoIr-based alloy, or a CoOs-based alloy.

Abstract: An object of the present invention is to provide an antimony-containing niobium sintered body for a capacitor having a small specific leakage current value, an antimony-containing niobium powder for use in the sintered body, and a capacitor using the sintered body. In the present invention, an antimony-containing niobium powder having an antimony content of preferably about 0.1 to about 10 mol % and an average particle size of preferably about 0.2 to about 5 ?m is used. By using this antimony-containing niobium powder, a sintered body and a capacitor are constructed.

Abstract: A perovskite titanium-containing composite oxide particle having a composition represented by general formula (I), where the specific surface area is about 10 to about 200 m2/g, the specific surface area diameter D1 of primary particles defined by formula (II) is about 10 to about 100 nm, and a D2/D1 ratio of the average particle size D2 of secondary particles to D1 is about 1 to about 10: M(TiO3)??(I) wherein M is at least one of Ca, Sr, Ba, Pb, or Mg, D1=6/?S??(II) wherein ? is the density of the particles, and S is the specific surface area of the particles is disclosed. The present invention has a small particle size and excellent dispersion properties, so that the particle is suitable for application to functional materials.

Abstract: The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a polymerizable compound having low viscosity, and good polymerizability and stability for use in the polymerizable composition. The present invention also provides primary and secondary batteries capable of working with high capacity and current; an electric double-layer capacitor ensuring high output voltage, large takeout current, and good processability; and an electrochromic device favored with high response speed. Each thereof use the solid polymer electrolyte of the present invention and are ensured with long life, excellent safety free of liquid leakage, high reliability and production at a low cost.

Abstract: A solid electrolytic capacitor having a plurality of solid electrolytic capacitor elements each having an anode part assigned to one end part of an anode substrate composed of a valve-acting metal having on the surface thereof a dielectric film layer, and a cathode part consisting of a solid electrolyte layer formed on the dielectric film layer in the remaining portion of the anode substrate and an electrically conducting layer formed on the solid electrolyte layer. The anode parts are stacked on one another and the cathode parts are stacked on one another, and the stacked anode parts and stacked cathode parts are connected to a lead frame and are molded with an outer jacket resin. Each solid electrolytic capacitor element has a notched part at least at one part of the cathode part and an electrically conductive material fills the notched part.

Abstract: In a capacitor comprising a pair of electrodes and a dielectric substance intervening between the two electrodes, one of the electrodes is composed of sintered niobium nitride. Preferably, the dielectric substance is composed of niobium oxide and the electrode other than the electrode composed of sintered niobium nitride is composed of an ingredient selected from electrolytes, organic semiconductors and inorganic semiconductors. This capacitor has good environmental stability and good leak current characteristics.

Abstract: A vapor-phase growth method for forming a boron-phosphide-based semiconductor layer on a single-crystal silicon (Si) substrate in a vapor-phase growth reactor. The method includes preliminary feeding of a boron (B)-containing gas, a phosphorus (P)-containing gas, and a carrier gas for carrying these gases into a vapor-phase growth reactor to thereby form a film containing boron and phosphorus on the inner wall of the vapor-phase growth reactor; and subsequently vapor-growing a boron-phosphide-based semiconductor layer on a single-crystal silicon substrate. Also disclosed is a boron-phosphide-based semiconductor layer prepared by the vapor-phase growth method.

Abstract: An object of the present invention is to provide a process for easily producing a magnetic recording medium exhibiting excellent magnetic characteristics. In the present invention, an orientation-determining film is formed on a non-metallic substrate which has undergone texturing, the orientation-determining film is subjected to oxidation or nitridation, and a non-magnetic undercoat film and a magnetic film are formed on the film.

Abstract: The present invention provides an LSI device polishing composition containing water, abrasive grains, an organic acid, and an oxidizing agent, and having a pH of 5.5-10.0 adjusted by an alkaline substance, the LSI device polishing composition being used for polishing a copper-containing metal wiring layer in which copper is deposited on an insulating film via barrier metal formed of Ta or TaN; and a method for producing LSI devices by use of the polishing composition. During polishing of a barrier metal such as Ta or TaN and a copper wiring layer, the rate of polishing Ta or TaN can be enhanced, to thereby prevent dishing and erosion.