PURPOSE: An electric power steering system is provided to improve the durability of a curved leaf spring and the freedom of design of preload by reducing the size of the driving gear and to rotate the driving gear efficiently by keeping balance of force. CONSTITUTION: An electric power steering system comprises a worm(3) connected to an output shaft(1a) of a motor(1); a worm wheel(4) engaged with ...

PURPOSE: A display device and a method for driving a display panel is provided to accelerate a selection operation of pixels by improving a selective discharge efficiency. CONSTITUTION: A display device displays an image by dividing a single field display cycle into cycles of a plurality of subfields each having an address cycle and a sustain cycle. A display panel(50) includes a front face substr...

PURPOSE: A laser irradiation method, a laser irradiation apparatus, and a method for manufacturing semiconductor device are provided to improve the crystalline property of a semiconductor film as well as an activity of dopants by performing uniform annealing on an object to be irradiated. CONSTITUTION: A laser irradiation apparatus includes a laser oscillator(101), and first and two optical system...

Disclosed are intelligent systems and functions for autonomous load handling vehicles such as wheel-loaders operating within limited areas and industrial environments. The vehicle is provided with a laser-optic system for determining the vehicle's position in six degrees of freedom comprising x, y, z, heading, pitch and roll, in fixed to ground coordinates. This system is used for autonomous vehic...

PURPOSE: Provided is a gravity fiber filtering machine which filters suspended solids remaining in large-volumetric continuous water current. CONSTITUTION: The machine comprises a filtering tank (10) cutting off a part of a continuously flowing watercourse, a filtering module (30) filled inside of the filtering tank, a drain pipe (20) connected to a drain pipe of the filtering tank to be extended ...

PURPOSE: A joint for a pipe is provided to completely prevent the movement of a pipe and a connector in the rotational direction despite vibration, to perform a work using a simple mechanism, and to reduce the number of assembling processes. CONSTITUTION: A rotation preventing unit is prepared between the outer face of a pipe(P) and a connector body(1) opposite of the front end of the pipe at a wa...

Process for the continuous preparation of N-methyl-2-pyrrolidone (NMP) by reacting gamma-butyrolactone (GBL) with monomethylamine (MMA) in the liquid phase, wherein GBL and MMA are used in a molar ratio of from 1:1.08 to 1:2 and the reaction is carried out at from 320 to 380° C. and an absolute pressure of from 70 to 120 bar.

PURPOSE: Provided is a pretreatment method of metal for coating to ensure preferable chemical conversion treatment thereof without surface control and reduced load to environment. CONSTITUTION: The pretreatment method comprises the step of: treating a subject to be coated using specific chemical agent; and then forming chemical conversion film over the subject. The chemical agent comprises (i) at ...

PURPOSE: To provide a chemical conversion coating agent which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc and aluminum. CONSTITUTION: The chemical conversion coating agent comprises at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and an adhesion and corrosion resistance ...

PURPOSE: To provide a process and a reactor for producing NF3 with improved yield by treating the resulting crude nitrogen trifluoride product with fluorine gas under elevated temperatures. CONSTITUTION: The reactor comprises a first reaction zone(4) for reacting fluorine gas at an initial concentration with liquid ammonium acid fluoride, a means for providing a low energy environment to the first...

A wafer treatment apparatus in which the various components that constitute the apparatus (prefilters, osmotic membrane filters, pump, et cetera) are contained in an enclosure. The enclosure includes a body provided with compartments that accommodate the components of the apparatus and at least one cap provided internally with channels for conveying the water in output from one compartment to the ...

Embodiments of the present invention relate to systems and methods for sharing mutual resources between an external device and a cordless telephone via a communications medium. According to an embodiment, a system includes a computing device coupled to a cordless telephone. The computing device includes a device controller, a device memory, and a device physical medium interface. The cordless tele...

PURPOSE: A method for manufacturing a semiconductor device is provided to prevent an electrostatic breakdown from occurring in a semiconductor wafer by supplying a rinsing liquid to a position away from the center of the surface of the semiconductor wafer. CONSTITUTION: A backside(1b) of a semiconductor wafer(1) is cleaned while rotating the semiconductor wafer in a state where the backside of the...

PURPOSE: A permanent magnet ring is provided to allow a user to easily produce a ring of a predetermined size and increase the number of unit permanent magnets per circumference of a ring. CONSTITUTION: A permanent magnet ring(1) comprises a plurality of unit permanent magnets(21a,21b,21c) each of which has a circular cross section. The unit permanent magnets are arranged into a circumference. A p...

PURPOSE: Provided is a polishing agent composition, which levels the surface of a substrate having a thin film on the surface and surface irregularities with high efficiency to a desired degree. CONSTITUTION: The polishing agent composition comprises silica particles, polymer particles and a cationic compound in an aqueous medium. Particularly, the silica particles are colloidal silica particles. ...

PURPOSE: A chemical treatment apparatus and a chemical treatment method are provided to substantially reduce the consumption of a chemical to be used by using the chemical more efficiently without installing a complex pressure control mechanism. CONSTITUTION: A chemical treatment apparatus performs a treatment by bringing a chemical(100) into contact with a treating surface of a substrate(101) hel...

PURPOSE: A method for manufacturing a rechargeable lithium secondary battery is provided to improve the battery safety, when the inner temperature of the battery is elevated by overcharge or nailpenetration, etc., by using a crystalline binder polymer which can increase the electric resistance and aging the battery at high temperature. CONSTITUTION: The method for manufacturing a lithium secondary...

Serialized data from broadcast services is provided to a broadcast server for transmitting to one or more client devices. The serialized data m ay correspond to shared data, private data; or control data. Data is scheduled for transmission based on weighted priorities including quality of service metrics. The transmission frame is arranged according to a frame protocol that includes provisions for...

PURPOSE: A film carrier tape is provided to release stresses caused between a metal layer and an insulation layer and prevent deformations of the tape, by arranging slits on the insulation layer and discontinuously disposing metal layers in the lengthwise direction of the insulation layer. CONSTITUTION: A film carrier tape(10) comprises an insulation layer(11); a wiring pattern(13) formed of condu...

PURPOSE: A film carrier tape for mounting electronic devices thereon and a production method thereof are provided to have a good anti-migration and adhesion between an insulating film and a wiring. CONSTITUTION: The film carrier tape(10) for mounting electronic devices thereon comprises a surface treated insulating film(12); a seed layer(16) formed on the surface treated side of the insulating fil...