Abstract: A conductive silver paste according to the present invention comprises epoxy resin, flake-shaped silver powders having an average particle diameter of 0.5 to 50 ?m, and spherical silver powders, each having its surface coated with organic matter, having an average particle diameter of not more than 1 ?m, and a conductive film according to the present invention is formed by printing or applying the conductive silver paste on a surface of a base material, followed by drying, and then thermosetting the epoxy resin.

Abstract: There is provided a testing apparatus for testing a device under test, wherein the testing apparatus is provided with a timing generator for generating a timing signal indicating the timing at which a test signal is applied; a plurality of timing delay units for delaying the timing signal; a plurality of drivers for applying the test signals; a sampler for sampling the test signal and outputting a sample voltage; a comparator for outputting a comparison result indicating whether the sample voltage is higher than the reference voltage; a determination part for determining whether the sample voltage matches the reference voltage; and a timing calibration part for calibrating the delay time caused in the timing signal by the plurality of timing delay units in order to synchronize the timing at which the test signals are applied to the device under test.

Abstract: The present invention provides a new binder composition for an electrode for an electric double layer capacitor which comprises a binder good in binding force and excellent in heat resistance, an electrode for an electric double layer capacitor having this binder, and an electric double layer capacitor which is high in capacity and is electrochemically stable by use of a binder composition for an electrode for an electric double layer capacitor comprising a binder polymer and water, wherein said binder polymer comprises: 50 to 98% by mole of monomer units (a) derived from a compound represented by the following general formula: CH2?CR1—COOR2 (1) wherein R1 represents a hydrogen atom or an alkyl group, and R2 represents an alkyl group having 2 to 18 carbon atoms or a cycloalkyl group having 3 to 18 carbon atoms, 1 to 30% by mole of monomer units (b) derived from an ?,?-ethylenically unsaturated nitrile compound, and 0.

Abstract: A sampling circuit for compensating the phase difference of a sampling pulse due to a temperature variation to accurately sample input signals is provided. The sampling circuit samples received input signals. The sampling circuit includes a pulse generator for generating a pulse signal according to a timing at which an input signal should be sampled, a step recovery diode for outputting a sampling pulse responsive to the pulse signal, a detector for detecting the value for the input signal according to the sampling pulse, a temperature detecting circuit for detecting the temperature around the step recovery diode and a temperature compensating unit for controlling a timing at which the step recovery diode outputs the sampling pulse based on the temperature detected by the temperature detecting circuit.

Abstract: Provided is a conductive paste which can have high conductivity even if the sintering temperature is 500° C. or less, and which does not cause an interference pattern or crack on a substrate even if a thick film thereof is formed on the substrate. The conductive paste comprises main components including a metal powder, a glass frit, and an organic vehicle. The metal powder is composed of spherical particles (A) having an average primary-particle diameter of 0.1 to 1 ?m and spherical particles (B) having an average primary-particle diameter of 50 nm or less, and the content of spherical particles (A) ranges from 50 to 99 wt % and the content of spherical particles (B) ranges from 1 to 50 wt %. The content of the glass frit ranges from 0.1 wt % to 15 wt % to the total amount of the glass frit and the metal powder. Preferably, the glass frit does not contain lead and has a working point of 500° C. or less, and the average particle diameter thereof is 2 ?m or less.

Abstract: A conductive silver paste according to the present invention comprises epoxy resin, flake-shaped silver powders having an average particle diameter of 0.5 to 50 ?m, and spherical silver powders, each having its surface coated with organic matter, having an average particle diameter of not more than 1 ?m, and a conductive film according to the present invention is formed by printing or applying the conductive silver paste on a surface of a base material, followed by drying, and then thermosetting the epoxy resin.

Abstract: A slurry composition for electrode comprising a binder, an active material, and a liquid medium, characterized in that the binder comprises a polymer (X) comprising 60 to 95 mole % of repeating units derived from acrylonitrile or methacrylonitrile and 5 to 30 mole % of repeating units derived from at least one kind of a monomer selected from 1-olefins and compounds represented by the following general formula (1): CH2?CR1—COOR2 wherein R1 represents a hydrogen atom or a methyl group and R2 represents an alkyl group; and the liquid medium is capable of dissolving the polymer (X). The slurry composition allows the manufacture of a lithium ion secondary battery having enhanced capacity and good charge-discharge cycle characteristics and good charge-discharge rate characteristics.

Abstract: A binder composition comprising a polymer dispersed in a liquid dispersion medium, wherein the polymer comprises structural units represented by the following formula: wherein R1 is hydrogen, C1-4 alkyl group, or halogen, R2 is C1-20 alkyl group or C6-30 aryl group, R3 and R4 are hydrogen or methyl group, provided that R3 and R4 are not simultaneously methyl group, and n is an integer of 1-50. A lithium ion secondary battery having an electrode made by using this binder composition exibibits excellent characteristics at repetition of a charge-discharge cycle.

Abstract: A polymer binder for an electrode is provided, which is comprised of a polymer comprising (a) structural units derived from a monofunctional ethylenically unsaturated carboxylic acid ester monomer, (b) structural units derived from an ethylenically unsaturated carboxylic acid monomer, and (c) structural units derived from a methacrylonitrile monomer; the ratio of [(a)+(c)]/(b) being 99.9 to 1.5 by weight; the sum of (a)+(b)+(c) being at least 70 wt. % based on the total structural units of the polymer; and the polymer being substantially free from structural units derived from an ethylenically hydrocarbon monomer and structural units derived from a diene monomer. The binder exhibits enhanced electrochemical stability and is useful for making an electrode of a lithium ion secondary battery.

Abstract: A polymer binder for an electrode is provided, which is comprised of a polymer comprising (a) structural units derived from a monofunctional ethylenically unsaturated carboxylic acid ester monomer, (b) structural units derived from an ethylenically unsaturated carboxylic acid monomer, and (c) structural units derived from a methacrylonitrile monomer; the ratio of [(a)+(c)]/(b) being 99.9 to 1.5 by weight; the sum of (a)+(b)+(c) being at least 70 wt. % based on the total structural units of the polymer; and the polymer being substantially free from structural units derived from an ethylenically hydrocarbon monomer and structural units derived from a diene monomer. The binder exhibits enhanced electrochemical stability and is useful for making an electrode of a lithium ion secondary battery.

Abstract: A binder for coating materials containing dispersed inorganic powder comprises a polyurethane resin containing (a) 2.2 to 7.0 terminal epoxy groups in one molecule in average and (b) 0.1 to 5.0% by weight as SO.sub.3 -- of a sulfonic acid salt group, 0.05 to 3.0% by weight as COO-- of a carboxylic acid salt group, or 0.02 to 1.0% by weight as N.sup.+ of a quaternary ammonium salt group in the molecule, and having a number-average molecular weight of 2,000 to 10,000. A coating material containing dispersed inorganic powder and a magnetic recording medium both use this binder. In a recording medium comprising a magnetic layer placed on a non-magnetic substrate, the magnetic layer comprises polyurethane resin (A) as a binder, vinyl chloride polymer (B) containing 0.

Abstract: According to this invention, there is provided a binder containing a polyurethane resin having an urethane bond and formed by the reaction of a diisocyanate and a polyol, said resin containing on the average at least 2.3 isocyanate groups in a molecule, having a number average molecular weight of at least 2,000 but at most 10,000 and containing less than 20% of a component having a molecular weight of at most 1,000; a magnetic recording layer or back coat layer using same; and a magnetic recording medium having same. Said magnetic recording medium is excellent in magnetic characteristics, durability and running property.

Abstract: A magnetic recording medium comprising a non-magnetic substrate and a magnetic powder-containing magnetic layer formed thereon, said layer further containing, as a binder for the magnetic powder, a vinyl chloride polymer containing 2% by weight or less of hydroxyl group(s) not directly bonding to the main chain and a polyurethane containing 2.3 or more isocyanate groups per molecule and having a molecular weight of 2,000 or more and the two polymers being crosslinked by each other.

Abstract: Parabanic acid compound of the formula (I): ##STR1## wherein R is hydrogen or a lower alkyl group, X is hydrogen, an alkyl group, a cycloalkyl group, a lower alkylcycloalkyl group, a phenyl group or a phenalkyl group, and n represents an integer of 1 to 4, exhibit excellent aldose reductase inhibitory activity and are useful as drugs for treating or prevention of complications of diabetes.

Abstract: A magnetic coating comprising magnetic powder, a binder and an organic solvent, characterized in that at least one component of the binder is a vinyl chloride copolymer having hydroxyl group, and carboxylic acid groups or sulfur- or phosphorus-containing strong acid radicals, and the comonomer supplying the hydroxyl groups is a monoallyl ether of polyhydroxy compound, and a magnetic recording medium made by coating a substrate with the magnetic coating.

Abstract: A copolymer useful for magnetic paints is provided which is composed of (1) at least 60% by weight of vinyl chloride units (2) 0.1 to 4.0% by weight, as a sulfur- or phosphorus-containing strong acid group, of strong acid group-containing monomer units, (3) at least 0.1% by weight, as the hydroxyl groups, of units of a monomer which gives a side chain represented by the formula --X--OH wherein X is an organic group, and (4) 0 to 20% by weight of units of another monomer.

Abstract: A copolymer useful for magnetic paints is provided which is composed of (1) at least 60% by weight of vinyl chloride units, (2) 0.1 to 4.0% by weight, as a sulfur- or phosphorus-containing strong acid group, of strong acid group-containing monomer units (3) at least 0.1% by weight, as the hydroxyl groups, of units of a monomer which gives a side chain represented by the formula --X--OH wherein X is an organic group, and (4) 0 to 20% by weight of units of another monomer.

Abstract: A resin for magnetic coating, which is a copolymer composed of(1) at least 60% by weight of vinyl chloride units,(2) 0.3 to 5.0% by weight, as the carboxyl group, of monomer units containing a carboxyl group,(3) 0.1 to 2.0% by weight, as the hydroxyl group, of monomer units containing the group --X--OH wherein X is an organic group, and(4) up to 20% by weight of units of another monomer,the equivalent ratio of the hydroxyl groups to the carboxyl groups being from 0.1 to 3.0.

Abstract: Method and apparatus for projection printing uses a photodetector provided on a first plane which is approximately the same as a second plane on which an exposure takes place on a substrate when an image of a pattern is projected on the substrate, and moves the photodetector to arbitrary positions on the first plane so as to measure the illuminance at the arbitrary positions and obtain an illuminance distribution. An optical system is adjusted to obtain a uniform illuminance distribution before projecting the image of the pattern on the substrate.

Abstract: A vinyl chloride resin composition for production of hard articles. The composition comprises 100 parts by weight of a graft polymer and not more than 40 parts by weight of electrically conductive carbon black. The graft polymer is obtained by polymerizing 99 to 60% by weight of vinyl chloride or a monomeric mixture composed of at least 80% by weight of vinyl chloride and not more than 20% by weight of a monomer copolymerizable with it in the presence of 1 to 40% by weight of a copolymer composed of 5 to 75% by weight of methyl methacrylate and 95 to 25% by weight of ethylene.