Abstract: A hydrogenated ring-opening metathesis polymer containing at least structural units of the general formula [3] and/or the general formula [4] and the weight-average molecular weight Mw to the number-average molecular weight Mn (Mw/Mn) is more than 2.0 and less than 5.0: wherein R8 to R11 and R13 to R16 represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, X2s and X3s are the same or different and represent —O— or —CR122— wherein R12 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, one of Y1 and y2 represents —(C?O)— and the other of Y1 and y2 represents —CR182— wherein R18 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and m and n represent an integer of 0 or 1 to 3.

Abstract: The present invention provides a printed circuit board whose insulating layer is not melt-adhered to a heating tool, to thereby enhance reliability and productivity of a semiconductor chip mounting line, and also provides a method of producing the printed circuit board. The printed circuit board contains a flexible printed wiring board and a semiconductor chip mounted on the flexible printed wiring board, wherein the flexible printed wiring board includes: an insulating layer 12 and a wiring pattern 21 formed of a conductor layer 11 provided on at least one side of the insulating layer 12 and a releasing layer 13 provided on a surface of the insulating layer 12, which surface is opposite to the mounting side of the semiconductor chip.

Abstract: Disclosed is a chipping resistance-imparting aqueous dispersion composition comprising a nonvolatile component (film-forming component) dispersed in water, said nonvolatile component containing an olefin thermoplastic elastomer or a styrene/conjugated diene block copolymer or its hydrogenation product. A coating film obtained by the use of the aqueous dispersion composition as an aqueous primer or an additive to a water paint is excellent in chipping resistance as well as in other properties such as film appearance, adhesion properties, heat resistance, moisture resistance and gasoline resistance.

Abstract: A novel olefin polymerization catalyst is provided which comprises (A) a transition metal compound or lanthanoid compound containing two or more atoms selected from the group consisting of boron, nitrogen, oxygen, phosphorus, sulfur, and selenium; and (B) a Lewis acid. A process for producing an olefin polymer is also provided. The catalyst has a high olefin polymerization activity without a combined use of an expensive organoaluminum oxy-compound or organoboron compound, and can maintain the high activity for a long polymerization time.

Abstract: In a gas phase olefin polymerization process using a fluidized bed vessel, an apparatus is employed having a device for measuring temperature or temperature distribution on the external wall surface of the vessel and a controlling means which predicts the progressive state of reaction inside the vessel, calculates the difference between the measured value and a target value determined beforehand and modifies polymerization conditions in relation thereto.

Abstract: A semiconductor laser device includes a layer structure of a first conductive cladding layer, an active layer, and a second conductive cladding layer sequentially grown on a first conductive semiconductor substrate; and a light emitting facet from which a laser beam having a first wavelength is emitted. Refractive indexes of the first and the second conductive cladding layers with respect to the first wavelength are lower than an effective refractive index with respect to the first wavelength. With respect to a light having a second wavelength incident on the light emitting facet from outside, the refractive index of at least one of the first and the second conductive cladding layers is equal to or higher than the effective refractive index with respect to the second wavelength.

Abstract: A composition for sealants and films comprising polymers (A-b), (B-b) and from 0 to 50% by weight (C-b) is taught. Polymer (A-b) contains 10 to 70% by weight of an ethylene/?-olefin polymer having a ?-olefin content of 7 to 30 mol %, a density of 0.850 to 0.900 g/cm3 and a melt flow rate (MFR-A), at 190° C., of 0.1 to 10 g/10 min. Polymer (B-b) contains 10 to 80 wt % propylene polymer with a melt flow rate (MFR-B), at 230° C., of 0.5 to 100 g/10 min. Polymer (C-b) contains an ethylene polymer having a density of 0.900 to 0.960 g/cm3. The ratio of MFR-B to MFR-A is 3 to 500.

Abstract: An ethylene copolymer composition comprising an ethylene/?-olefin copolymer, A-4, of ethylene with an ?-olefin of 3 to 20 carbon atoms in an amount of 65-98% by weight, whose melt tension, MT, at 190° C. and MFR satisfy the relation MT>2.2×MFR?0.84, and at least one crystalline polyolefin, B-2, in an amount of 1-40% by weight selected from the group consisting of, B-I, an ethylene homopolymer or a copolymer of ethylene with an ?-olefin of 3 to 20 carbon atoms, prepared using a non-metallocene type catalyst, B-II, a propylene hompolymer or a copolymer of propylene with at least one olefin selected from ethylene and an ?-olefin of 4 to 20 carbon atoms, and, B-III, a homopolymer of an ?-olefin of 4 to 20 carbon atoms or a copolymer of ?-olefins of 4 to 20 carbon atoms, and articles made from the composition.

Abstract: The present invention provides a cerium-based abrasive slurry particles including a cerium-based abrasive particle of no less than 95% by weight of total rare earth oxides (TREO), in which the cerium-based abrasive particle has less than 3% by weight of fluorine content of TREO, and a particle size distribution determined by a laser diffraction method is within a predetermined range. And adhesion property is further improved by setting this fluorine content in 0.005 to 0.5% by weight of TREO.

Abstract: The present invention is to provide a resin composition having sufficient rigidity and superior in the workability as well even if the thickness is as thin as 0.2 mm or less, and a prepreg and a laminate obtained from the resin composition. The resin composition comprises resin component containing a (A) compound having a maleimide group and (B) calcinated talc, wherein the calcinated talc is contained not less than 30 weight parts and not more than 250 weight parts to 100 weight parts of the total amount of the resin component containing a (A) compound having a maleimide group.

Abstract: A film carrier tape for mounting an electronic part comprising an insulating film and a wire pattern which is made of a conductive metal and is provided on the surface of the insulating film, wherein an undercoating layer containing nickel as a main constituent is formed on at least a part of the surface of the wiring pattern made of a conductive metal, an intermediate layer containing palladium as a main constituent is formed on the surface of he undercoating layer, a surface layer containing gold as a main constituent is formed on the surface of the intermediate layer, and the average thickness of the intermediate layer containing palladium as a main constituent is not more than 0.04 ?m.

Abstract: A process for producing a polyolefin according to the present invention comprises (co) polymerizing one or two or more ?-olefins in a vapor phase in a fluidized-bed reactor, wherein the concentration of (A) a saturated aliphatic hydrocarbon in the fluidized bed reactor is 1 mol % or more and at least one compound selected from (B) an aliphatic amide and (C) a nonionic surfactant constituted only of carbon, oxygen and hydrogen atoms is made to exist in the reactor. The present invention can provide a process for producing a polyolefin, the process ensuring that the prevention of clogging caused by the generation of sheet or block polymers and a high efficiency of the production of a polyolefin due to good catalytic activity can be accomplished at the same time and also having superb continuous productivity.

Abstract: An ethylene copolymer is provided which is a copolymer of ethylene and an ?-olefin of 3 to 20 carbon atoms and has the following properties: (a) the melt index (MI2) at 190° C. under a load of 2.16 kg is in the range of 0.0001 to 1000 g/10 min, (b) the density is not more than 0.899 g/cm3, (c) the relationship between a vinyl group amount and MI2 of the polymer satisfies the following expression: (vinyl group amount: number of vinyl groups/1000 carbon atoms)?0.004509+0.000815×log(MI2), and (d) the relationship between a vinylidene group amount and MI2 of the polymer satisfies the following expression: (vinylidene group amount: number of vinylidene groups/1000 carbon atoms)?0.013528+0.002445×log(MI2).

Abstract: The present invention is to provide a laminate which is halogen-free, has sufficient flame retardancy even when a thickness is not more than 0.2 mm, and has sufficient humidity resistance and hygroscopic solder heat resistance. A resin composition comprising: (A) a compound having at least two or more maleimide groups; (B) a phenolic resin; and (C) an epoxy resin; wherein at least one of said (B) or (C) has a naphthalene ring; the total weight of the naphthalene ring when calculated using the OH equivalent and epoxy equivalent of (B) and (C) respectively is not less than 20 weight % to the total weight of (A), (B) and (C) components; and the total sum of the content ratio of the (A) component and that of the naphthalene ring is not less than 65 weight % to the total weight of the (A), (B) and (C) components, and a prepreg and laminate obtained from the same.

Abstract: Disclosed is a sealant film having at least two layers including a base layer (X) and a sealant layer (Y) as essential constituents, the base layer (X) comprising a resin composition (AA) which comprises 50 to 98% by weight of a polyolefin resin (A) and 2 to 50% by weight of a tackifier (B), the sealant layer (Y) comprising a polyolefin resin composition (BB), wherein the polyolefin resin (A) is an ethylene polymer (A1) and/or a propylene polymer (A2). Since the sealant film has an excellent balance between heat-sealing properties and easy peel properties, it does not suffer angel hair (nappy phenomenon) even at a lower sealing strength and has good appearance after peeling. The film can be favorably used for forming a food packaging container.

Abstract: A heat treatment was carried out in a pressurized condition on an amorphous metal ribbon containing Fe and Co as main components and being represented by the general formula: (Co(1-c)Fec)100-a-bXaYb. (In the formula, X represents at least one species of element selected from Si, B, C and Ge, Y represents at least one species of element selected from Zr, Nb, Ti, Hf, Ta, W, Cr, Mo, V, Ni, P, Al, Pt, Rh, Ru, Sn, Sb, Cu, Mn and rare earth elements, c, a and b satisfy 0?c?1.0, 10<a?35 and 0?b?30, respectively, and a and b are represented in terms of atomic %.) By carrying out a heat treatment in a pressurized condition in the same manner on a magnetic substrate comprising an amorphous metal ribbon and a heat resistant resin or a laminate of the substrates, not only the magnetic properties but also the mechanical properties and the processability are improved.

Abstract: The present invention relates to a metal laminate which is broadly used for a flexible wiring board or the like and an etching method therefor. In particular, the present invention relates to a metal laminate which includes a layer obtained by laminating a metal layer and an insulating layer, where the insulating layer is subjected to an etching process, wherein, in a surface of the metal layer which is positioned so as to come in contact with the insulating layer, respective concentrations of main metal element and oxygen element constituting the metal layer are measured from the surface of the metal layer towards inside of the metal layer in a time-elapsing manner according to AES (Auger electron spectroscopy) and a value of the thickness of a metal oxide film of the surface of the metal layer measured at a time when atomic concentrations of the main metal element and the oxygen element constituting the metal layer become equal to each other is in a range of at least 0 ? to less than 50 ?.

Abstract: An anode material for lithium secondary battery, which comprises graphite particles and a crystalline carbon coating layer formed thereon, wherein each graphite particle has a bent laminate structure inside, is produced by grinding a graphite of 5 mm or less in average particle diameter using an impact grinder to produce graphite particles of 100 ?m or less in average particle diameter having a bent laminate structure inside each particle and then subjecting the graphite particles to chemical vapor deposition in a fluidized bed type reaction furnace to form a crystalline carbon coating layer on the graphite particles.

Abstract: A multi-layer printed wiring board having via holes is characterized by having the outer copper wifing circuit lines on a layer of an alkaline refractory metal which is adjacent to a thermosetting resin layer. An alkaline refractory metal which is insoluble is alkaline etching solutions, is electrodeposited on the surface of copper foil, then a thermosetting resin is applied to the surface and semi-cured to obtain a coated copper foil. The coated copper foil is bonded to one or both faces of an inner layer board having wirings on one or both of its faces. Then, the copper foil on a surface of this laminate is removed by alkaline etching, while selectively leaving the alkaline refractor metal layer. A laser beam is used to form via holes in both the alkaline refractory metal layer and the thermosetting resin layer simultaneously.

Abstract: A method includes determining a first time by a first determining system. The method also includes determining a second time and a spatial position of a terminal receiving the second time, by a second determining system which is different from and independent of the first determining system. The terminal stores, in combination, the first time determined by the first determining system and the second time and the position determined by the second determining system, at each time of determining the spatial position of the terminal, in such a manner that the first time, the second time and the position are arranged in a row when they are outputted, wherein the first and second times are independent of each other.