Abstract: The invention provides a flip chip mounting process in which a layer of electrically insulating adhesive paste is applied on a substrate having bond pads, covering the bond pads with the adhesive. Electrically conductive polymer bumps are formed on bond pads of a flip chip to be bonded to the substrate, and the polymer bumps are at least partially hardened. The bond pads of the flip chip are then aligned with the bond pads of the substrate, and the at least partially hardened polymer bumps are pushed through the adhesive on the substrate to contact directly and bond the polymer bumps to the bond pads of the substrate. This process results in direct electrical and mechanical bonding of the polymer bumps between the chip and substrate bond pads, even though the adhesive film was applied on the substrate in a manner that covered the substrate bond pads. The polymer bumps displace the adhesive as they are pushed through it and expand laterally on the substrate bond pads.

Abstract: The present invention relates to a developing agent comprising:toner particles containing at least a binder resin and a coloring agent; andmetallic oxide fine particles represented by a composition formula Si.sub.x A.sub.y O .sub.4x+yz)/2 (wherein the character A represents a metallic element, the character Z represents a valence number of element A, and x/y is 1-25), the metallic oxide fine particles being hydrophobically treated if desired.

Abstract: A multifunctional splash guard for a dental air-water syringe comprising of a cone shaped member having a generally cylindrical base formed with an axial opening extending through said base formed to permit insertion of the tip of a dental air-water syringe through said opening to allow positioning of said tip within said cone shaped member and with its soft flexible plastic-like material one piece make up, allowing for not only controlling and containing back-spray, but also increasing the effectiveness of all rinsing and drying procedures and aids in tongue and cheek retraction.

Abstract: The heat sensitive recording material of the present invention has, between a support and a heat sensitive recording layer, an intermediate layer having a tensile modulus of elasticity of from 1.times.10.sup.8 to 1.times.10.sup.10 dyne/cm.sup.2) as measured according to JIS K 7127. The heat sensitive recording material of the present invention is suitable to prevention of abrasion of a thermal head and prevention of sticking of the heat sensitive recording material to the thermal head.

Abstract: An apparatus and a method for controlling the operation of a reach tower crane, in which a horizontal boom can safely and securely be operated or stored by one operator in the cab, and in which even if sensors are out of order, the stability of the crane can be secured. The system has a plurality of sensors for detecting a condition of an actuator (6) actuating an apparatus to operate or store a horizontal boom (5), a controller (36) for sending a control signal based on signals from the sensors, and hydraulic apparatuses for controlling various actuators in accordance with the control signal. Further, an operation lever and an operation switch are used to extend or store the horizontal boom (5).

Abstract: The present invention relates to a suspension load and tipping moment calculating apparatus for a mobile crane which can calculate a suspension load and a tipping moment with high accuracy and use an excessive load prevention load while ensuring safety. For this reason, the apparatus is provided with sensors (50, 48, 46) for detecting a boom length, a boom angle, and an axle weight of a boom derricking cylinder (26) on a second boom (28) side, and is equipped with a controller (38) for calculating a suspension load (Wa) suspended from the second boom (28) based on signals from these sensors. In addition, for calculating a tipping moment, a boom length sensor (44) and a boom angle sensor (42) on a first boom (24) side are provided.

Abstract: The grafting reaction product of the present invention includes a main chain having a polymer selected from one of a polyester and a polyester polyurethane consisting mainly of the polyester, the polyester containing 60 mole % or more of an aromatic dicarboxylic acid for the amount of the total carboxylic acids. The grafting reaction product further includes a plurality of side chains which are polymers of radical polymerizable monomers, said radical polymerizable monomers having at least 30% by weight of the combination of at least one electron accepting monomers (A) having an e value of 0.9 or more and at least one electron donative monomers (B) having an e value of -0.6 or less for the amount of the total radical polymerizable monomers, and at least 10% by weight of an aromatic radical polymerizable monomer for the amount of the total radical polymerizable monomers. According to the present invention, the plurality of side chains are grafted into the main chain to form the grafting reaction product.

Abstract: A photosensitive transfer material is disclosed including a temporary substrate having provided thereon an alkali-soluble thermoplastic resin layer, an intermediate layer, and a photosensitive resin layer in this order, the transfer material having an interlaminar adhesion which is lowest between the thermoplastic resin layer and the temporary substrate, wherein the alkali-soluble thermoplastic resin layer contains (A) an alkali-soluble thermoplastic resin having a weight average molecular weight of from 50,000 to 500,000 and a glass transition temperature of from 0.degree. to 140.degree. C. and (B) an alkali-soluble thermoplastic resin layer having a weight average molecular weight of from 3,000 to 30,000 and a glass transition temperature of from 30.degree. to 170.degree. C. at an (A)/(B) weight ratio of from 5/95 to 95/5. The transfer material can be transferred to a permanent substrate at a high speed without entrapping air bubbles due to unevenness on the permanent substrate.

Abstract: A reading apparatus serving as an input means for simultaneously reading printed image information from both the front and back of a document, converting the read information into digital data, and storing the digital data on a data recording medium, such as an optical disk, comprises document carrier mechanisms, a front reading sensor, a back reading sensor, a front size determining sensor, a back size determining sensor, a document size comparator, and a reading control circuit. These components are incorporated in the reading apparatus. The document carrier mechanisms carry documents inserted through a slot through the apparatus and eject them through an outlet. The front data reading sensor and back data reading sensor read printed images from the front and back of a document. The front size determining sensor and back size determining sensor are located upstream of the front data reader in the document carrier path, and detect the sizes of the front and back of a document.

Abstract: In a sewing machine which moves a work to be sewed with respect to a sewing needle which stitches a seam on the work, a work moving device includes: a pair of stationary racks spaced from each other, the stationary racks being set in parallel with each other in a first direction of moving the work; a coupling shaft having gears engaged with the stationary racks, respectively; coupling shaft driver for rotating the coupling shaft; a movable frame rotatably supporting the coupling shaft, the movable frame being movable back and forth in the first direction according to rotating the coupling shaft; a carriage supported by the movable frame, the carriage being movable back and forth in a second direction perpendicular to the first direction; a carriage driver for moving the carriage back and forth in the second direction; and a pallet supported by the carriage, for carrying the work.

Abstract: A shuttle hook driving device for driving a shuttle hook having a beak disposed between a needle drop position and a bobbin thread lead-out point of a bobbin in a sewing machine which includes a main shaft, a needle bar, a thread take-up lever, and a conversion mechanism for converting a rotation of the main shaft into an oscillating motion, the shuttle hook driving device comprises: a counter balance connected to the needle bar and the thread take-up lever, the counter balance being mounted on the main shaft such that the counter balance is displaced a predetermined angle with respect to the main shaft as compared with a standard sewing machine; an output shaft received the oscillating motion from the conversion mechanism, the output shaft being connected to the conversion device in right-left inverted relation with respect to an axis thereof as compared with the standard sewing machine, using an uppermost point of the needle bar as a reference; and a driver connected to the output shaft, for driving the shu

Abstract: A photosensitive transfer material is disclosed including a temporary substrate having provided thereon an alkali-soluble thermoplastic resin layer, an intermediate layer, and a photosensitive resin layer in this order, the transfer material having an interlaminar adhesion which is lowest between the thermoplastic resin layer and the temporary substrate, wherein the alkali-soluble thermoplastic resin layer contains (A) an alkali-soluble thermoplastic resin having a weight average molecular weight of from 50,000 to 500,000 and a glass transition temperature of from 0.degree. to 140.degree. C. and (B) an alkali-soluble thermoplastic resin layer having a weight average molecular weight of from 3,000 to 30,000 and a glass transition temperature of from 30.degree. to 170.degree. C. at an (A)/(B) weight ratio of from 5/95 to 95/5. The transfer material can be transferred to a permanent substrate at a high speed without entrapping air bubbles due to unevenness on the permanent substrate.

Abstract: An aqueous dispersion of a graft-copolymer (A), dispersed in water or a mixed solvent (B) of water and a water-soluble organic solvent, the graft-copolymer (A) comprising a polyester (A-a) graft-polymerized with a radical copolymerizable monomer (A-b) comprising a radical copolymerizable monomer having a hydrophilic group, wherein said graft-copolymer (A) is dispersed as fine particles having an average particle size of not more than 500 nm and a half band width of a signal of a carbon of a carbonyl group of the polyester, as determined by .sup.13 C-NMR, is not less than 300 Hz. The aqueous polyester dispersion of the present invention is superior in re-dispersibility and when a paint prepared from the dispersion is coated on a metal or a plastic, the coated film shows superior appearance, processability and water resistance. Accordingly, the aqueous dispersion of the present invention serves well for use for paints, ink, coating agents, adhesives and various treating agents.

Abstract: In an engine used for a portable working apparatus such as a brush cutter, there are arranged a drive gear rotated by a starter motor, and a driven gear engaging with the drive gear and connected to a crankshaft through a nonreturn clutch. The driven gear is fixed to the crankshaft until the starter motor starts the engine and released from the crankshaft after the start of the engine and after a rotational speed of the crankshaft exceeds that of the starter motor.

Abstract: A thread cutting device for a sewing machine includes a stationary blade which is disposed downwardly of a needle plate and a movable blade. The stationary blade is provided at its one end with a cutting edge. The movable blade which is formed with a cutout in the surface opposite to the stationary blade, is adapted to rotate about a shaft and pass over the needle plate and the stationary blade. The cutout is adapted to catch and guide a thread along a path for the thread and provided with a cutting edge to cooperate with the cutting edge of the stationary blade to cut the thread. A through hole is formed between the cutout and the cutting edge of the movable blade to meander the thread through the hole.

Abstract: This choke device is characterized in that a starting pump 49 for supplying the fuel in a fuel tank 25 by suction to a starting nozzle port 41, is driven by a fuel motor 53. Starting of the engine is executed by the use of a starting motor or a recoil starter, by supplying the fuel in the fuel tank 25 to the starting nozzle port 41 through sucking of the fuel with the starting fuel pump 49 which is turned by the fuel motor 53, thereby facilitating the ignition by augmenting the concentration of the mixed gas.

Abstract: In an engine used for a portable working apparatus such as a brush cutter, there are arranged a drive gear rotated by a starter motor, and a driven gear engaging with the drive gear and connected to a crankshaft through a nonreturn clutch. The driven gear is fixed to the crankshaft until the starter motor starts the engine and released from the crankshaft after the start of the engine and after a rotational speed of the crankshaft exceeds that of the starter motor.

Abstract: Disclosed is a fuel supply system for an internal combustion engine having a fuel tank, a combustion chamber defined in an engine cylinder, and an air intake passage communicating with the combustion chamber. The fuel supply system comprises a main fuel passage communicating the fuel tank and the air intake passage, first supply mechanism provided on the main fuel passage for supplying main fuel from the fuel tank to the air intake passage responsive to the cranking of the engine a starting fuel passage defined separate from the main fuel passage and communicating with the air intake passage and the main fuel passage, and second supply mechanism provided on the starting fuel passage for supplying a predetermined amount of starting fuel into the air intake passage, in addition to the supply of main fuel, responsive to the temperature of the engine cylinder upon starting of the engine.

Abstract: A loading apparatus for an automatic sewing machine which includes a setting device for setting thereon a lower workpiece, a shirring plate hinge to the setting device, and a work holder having an upper blade and a lower blade for holding the workpiece therebetween during the sewing operation. The shirring plate has forks for mounting thereon an upper workpiece. The upper blade has corresponding forks for engaging in the forks of the shirring plate. The setting device is movable relative to the work holder to transfer the workpiece to the work holder.