Abstract: The present invention relates to a polymer having a melt tension (MT (g)) substantially the same as or lower than that of a conventional polymer which is substantially the same as the polymer in the recurring unit of the main skeleton, the molecular weight, the molecular weight distribution and the crystallinity, and having a flow activation energy (Ea (KJ/mol)) larger than a value obtained by adding 5 KJ/mol to the Ea value of the conventional polymer. A preferred example of the polymer is a branched polyolefin comprising 50 to 100% by mol of recurring units derived from ethylene and 0 to 50% by mol of recurring units derived from an ?-olefin of 3 to 20 carbon atoms and having the following properties: the flow activation energy (Ea (KJ/mol)) and the ?-olefin content (C (% by weight)) satisfy a specific relation, and the melt tension (MT (g)) and the melt flow rate (MFR (g/10 min)) satisfy a specific relation. This branched polyolefin is excellent in moldability and mechanical strength.

Abstract: The present invention has its object to make it possible to produce an ?-SiC wafer with stability and good reproducibility at low cost without using a seed crystal substrate that is expensive and less available. In each of crucibles 11a, 11b, 11c, and so on, a ?-SiC substrate 19 and an SiC raw material 17 are placed to face each other in close proximity. These crucibles are stacked in layers, and placed inside a radiation tube 40. The radiation tube 40 is heated by an induction heating coil 23, radiates radiation heat, and uniformly heats the crucibles 11a, 11b, 11c and so on. The SiC raw material in each of the crucibles is sublimated and recrystallized on a surface of the ?-SiC substrate 19.

Abstract: The present invention provides a flat film carrier tape for mounting electronic devices thereon which tape can enhance reliability of a semiconductor chip mounting line. The film carrier tape includes a continuous insulating layer, a wiring pattern formed of a conductor layer provided on a surface of the insulating layer, a row of sprocket holes provided along respective longitudinal edges of the insulating layer, which said row of sprocket holes are at the outer sides of the wiring pattern, and a metallic layer formed around said row of sprocket holes, wherein the metallic layer is provided in a discontinuous manner in the longitudinal direction of the insulating layer by provision of slits on the insulating layer at intervals of three to eight said sprocket holes.

Abstract: The present invention is to produce an aluminum nitride powder which is turned into a sintered body at a temperature of not more than 1600° C., thereby obtaining a sintered aluminum nitride in which the density and thermal conductivity are high and which can be properly used as a substrate material. Using a vapor phase reaction apparatus shown in FIG. 1, ammonia gas was fed from a reactor 2 heated at from 300 to 500° C. and maintained at that temperature by a heating section 1 via a feeding tube 4 while being regulated by a flow regulator 3. At the same time, while being regulated by the flow regulator 5, nitrogen gas containing an organic aluminum compound is fed via a feeding tube 6 to obtain an aluminum nitride powder. The aluminum nitride powder is subjected to a heat treatment at from 1100 to 1500° C. in a reducing gas atmosphere and/or an inert gas atmosphere to obtain an aggregate aluminum nitride powder.

Abstract: A photocurable resin composition comprises a cationic polymerizable compound (A), an acrylic resin (B) and a cationic photopolymerization initiator (C), in which the acrylic resin (B) has a cationic polymerizable functional group, and the content of the component (A) is 30 to 95 parts by mass and the content of the component (B) is 5 to 70 parts by mass, based on 100 parts by mass of the total amount of the components (A) and (B). In addition, the functional group of the acrylic resin (B) preferably contains at least one of a cyclic ether group, a vinyloxy group, an acid adduct of a vinyloxy group, and an active hydrogen group, with the active hydrogen group preferably being a hydroxyl group. The photocurable resin composition has sufficient curability and sufficient adhesiveness to rigid plastics such as polycarbonate and PET having poor adhesive property.

Abstract: The object is to provide a copper foil excellent in the property of selective etching between a resistor layer and a copper layer required in production of a printed-wiring board, and also excellent in UL heat resistance. For this purpose, a copper foil for printed-wiring board comprising a nodular treatment side on one side, wherein a nickel-zinc alloy layer is formed on the nodular treatment side is used for applications of printed-wiring boards. At the same time, a production method suitable for production of the copper foil is provided.

Abstract: A device and method for taking up a spacer which can prevent deformation, for example, the generation of a scratch on the surface of a film carrier tape for mounting an electronic component, the bending of an inner lead, surface damage, a fold caused by bending the film carrier tape, or the like. The feed driving shaft of the reel of the feeding device is coupled to a driving motor, and the take-up driving shaft of the spacer take-up device is coupled to a motor through a clutch, thereby taking up the spacer at a constant tension.

Abstract: The present invention relates to a double-sided copper-clad laminate for forming a capacitor layer, formed by adhering electrodeposited copper foils on the both sides of a dielectric layer of a thickness of 10 ?m or less, and the object of the present invention is to secure good voltage resistant proprieties. For the double-sided copper-clad laminate of the present invention uses an electrodeposited copper foil provided with a matte side to be joined to the dielectric layer prepared by physically polishing the rough surface of an untreated electrodeposited copper foil obtained by an electrolysis method to a surface roughness (Rz) of 0.5 ?m to 3.0 ?m, and nodular treatment, and as required, passivation, silane coupling agent treatment, or the like are performed thereon. As the manufacturing method thereof, a manufacturing method wherein the surfaces of the resin layers of two electrodeposited copper foils having resin layers facing to each other are adhered, or the like.

Abstract: A film and method for fastening cargo during transportation wherein the film has a percentage strain change 100 hours after applying a load of 3.5 MPa at a temperature of 23° C. of not more than 2.0%, and a percentage strain change 100 hours after applying a load of 0.5 MPa at a temperature of 55° C. of not more than 2.5%. Moreover, it is preferable for the elastic modulus at a temperature of 23° C. to be not more than 60 MPa, and the elastic modulus at a temperature of 55° C. to be not more than 20 MPa. Such a film can be formed from substantially random interpolymer(s) each comprising 1 to 99 mol % of polymer units derived from an aromatic vinyl or vinylidene monomer and/or a hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, and 1 to 99 mol % of polymer units derived from at least one ?-olefin having 2 to 20 carbon atoms.

Abstract: A liquid crystal sealing agent composition that is a one-component light and heat-curable resin composition containing: (1) a solid epoxy resin having a ring and ball method softening temperature of 40° C. or above; (2) an acrylate monomer and/or a methacrylate monomer, or an oligomer thereof; (3) a thermoplastic polymer having a ring and ball method softening temperature of 50 to 120° C., the thermoplastic polymer being obtained by copolymerizing an acrylate monomer and/or a methacrylate monomer with a monomer copolymerizable therewith; (4) a light-activated radical polymerization initiator; and (5) a latent epoxy curing agent.

Abstract: A method for efficiently purifying 5? protected 2?-deoxypurine nucleosides, efficient production of which has previously been difficult. Impurities can be separated by obtaining the 5? protected 2?-deoxypurine nucleoside as an inclusion crystal including a solvent such as that having a nitrile structure in order to purify the 5? protected 2?-deoxypurine nucleoside at a high purity. This invention enables synthesis of highly purified, protected deoxypurine nucleosides easily on a large scale, which has previously been performed by column chromatography method.

Abstract: The present invention provides a liquid crystal sealing composition and a liquid crystal display panel excellent in adhesion, moisture permeation resistance and heat resistance and superior for use in a sheet press heating bonding system. The liquid crystal sealing composition comprises (1) an alkoxysilyl group-containing modified epoxy resin obtained by de-alcohol condensation reaction of (a) an epoxy resin having at least one hydroxyl group in one molecule and (b) analkoxysilyl group-containing compound, (2) a heat latent epoxy curing agent, (3) a filler having an average particle diameter of 0.1 to 10 ?m, and if necessary (4) an epoxy resin having at least 1.2 epoxy groups on average in one molecule, (5) an aprotic solvent having a boiling point in the range of 140 to 220° C., compatible with epoxy resin and inert to an epoxy group, and (6) other additives.

Abstract: An electronic pulse detection device includes: an MCP in which a plurality of capillaries configured to increase the number of electrons are arranged in matrix; and an electronic pulse reading chip 30 disposed on an output side of the MCP. The electronic pulse detection chip 30 includes anodes 32 and detection transistors 34 both provided so as to correspond to the respective capillaries. Electronic pulses are incident on the anodes 32 from the MCP. Drains of the detection transistors 34 are connected to the corresponding anodes. The detection transistors 34 on the same row are connected to one another at gates thereof and turned on/off as a unit, and sources of the detection transistors 34 on the same column are connected to a corresponding switch circuit 80 as a unit to be connected to a current-voltage conversion resistance RL via the switch circuit 80.

Abstract: The invention provides an aliphatic polyester resin composition that contains 100 parts by weight of an aliphatic polyester resin and from 10 to 60 parts by weight of at least one compound of a formula (1): wherein n indicates an integer of from 1 to 9, R1 to R4 each independently represent an alkyl group having from 1 to 17 carbon atoms, and when n is 2 or more, R3 may differ in different units, a film formed of the composition, and packages with the film. The aliphatic polyester film of the invention keeps the degradability in the natural environment that is intrinsic to lactic acid-based polymer, and has good heat resistance, flexibility, transparency and adhesiveness, and, in addition, the plasticizer does not migrate to the surface of the film.

Abstract: An object is the provision of a peelable electrodeposited copper foil with carrier foil that stabilizes the peel strength between the carrier foil and the electrodeposited copper foil layer even when used in manufacture of the printed wiring boards that requires pressing at the temperatures of 200° C. or higher. For the purpose of achieving the object, the electrodeposited copper foil with carrier foil 1, which includes an adhesive interface layer 4 arranged on one face of the carrier foil 2 and an electrodeposited copper foil layer 3 arranged on the adhesive interface layer 4, characterized in that the adhesive interface layer 4 is composed of a metal oxide layer ML and an organic material layer OL, and the like are used.

Abstract: There is provided a flexible printed wiring board including an insulating layer having a high optical transmittance, a high adhesion strength and a high migration resistance, and suitable for a chip on film (hereafter referred to as COF). In a flexible printed wiring board for COF, having an insulating layer on which a conductive layer of an electrodeposited copper foil is laminated, and an optical transmittance of 50% or more of the insulating layer in the etched region when a circuit is formed by etching said conductive layer, electrodeposited copper foil was made to have a rust-proofing layer of a nickel-zinc alloy on the adhering surface to be adhered to the insulating layer; the surface roughness (Rz) of the adhering surface was made to be 0.05 to 1.5 ?m, and the specular gloss was made to be 250 or more when the incident angle is 60°.

Abstract: A photopolymerizable composition comprising a polymerizable compound and a photopolymerization initiator, wherein the polymerizable compound is characterized by comprising (a) a bifunctional (meth)acrylic acid (thio)ester compound containing a sulfur atom in the molecule and (b) at least one of a (meth)acrylic acid ester compound represented by the general formula (1) or a bifunctional (meth)acrylic acid ester compound having a urethane linkage: wherein R1 and R2 are each independently a hydrogen atom or a methyl group; R3 and R4 are each independently an alkyl group, an aralkyl group, an aryl group or a halogen atom; m and n are each an integer of 0 to 2; X1 is an alkylidene group having 1 to 3 carbon atoms; and Y1 and Y2 are each independently a poly(oxyalkylene) group with the proviso that at least one of Y1 and Y2 is a poly(oxyalkylene) group having a hydroxy group.

Abstract: An anodization-adapted aluminum alloy containing 2.0 to 3.5 wt % Mg and the remainder of 99.9 wt % or greater high-purity aluminum.

Abstract: A flowmeter including a flow rate detection circuit including a thermal flow rate sensor (10) disposed in a measurement flow passage through which fluid to be measured passes, a temperature sensor circuit (12), a flow rate conversion circuit and a storage means EEPROM. The storage means stores, for respective discrete temperature values, a plurality of individual calibration curves indicating the relationship between electric outputs from the flow rate detection circuit and flow rates, and the individual calibration curves are prepared by using flow rates converted into those at a reference temperature. The flow rate conversion circuit performs interpolation based on temperatures measured by the temperature sensor circuit (12) and a plurality of individual calibration curves to obtain calibrated flow rate values corresponding to temperature at measuring.

Abstract: An optical information recording medium is here disclosed which comprises a transparent substrate, a recording layer comprising an organic dyestuff on which information can be written by a laser beam, a reflective layer and a protective layer formed in this order on the substrate, the aforesaid optical information recording medium being characterized by containing a pit-edge control agent for the formation of recording pits, particularly a dyestuff thermal decomposition accelerator in the recording layer. By the addition of the pit-edge control agent, deviation properties and jitter properties can be remarkably improved, whereby a CD-R medium having a low error rate and good recording properties can be provided. In consequence, stable compatibility with a commercial CD player can be secured.