Abstract: Disclosed herein is a magnetron. The magnetron comprises an anode cylinder, upper and lower magnets provided to upper and lower portions of the anode cylinder, and upper and lower magnetic poles connected to the magnets, respectively. Each of the magnets has an inner diameter of 19˜21 mm, a thickness of 11.5˜12.5 mm, and an outer diameter of 50˜54 mm.

Abstract: An ink-jet printhead includes an ink chamber to be filled with ink to be ejected, a manifold, which supplies ink to the ink chamber, an ink channel, which provides communication between the ink chamber and the manifold, a nozzle through which ink is ejected from the ink chamber, first and second heaters, which heat ink in the ink chamber to generate bubbles, and a conductor, which is electrically connected to the first and second heaters and applies a current to the first and second heaters, wherein the first and second heaters are positioned symmetrically around a center of the nozzle, and one of the first and second heaters is positioned adjacent to the ink channel.

Abstract: The present invention relates to a SON (Silicon-On-Nothing) MOSFET having a beam structure and an inverter using thereof and the method for fabricating thereof to increase the efficiency and performance of a MOSFET. A method for fabricating the SON MOSFET according to the present invention comprises the steps of (a) patterning a passivation layer on a substrate, (b) doping boron on the substrate, (c) removing the patterned passivation layer, (d) forming the beam structure on the substrate by anisotropical etching on the region not doped with boron of the substrate, (e) depositing a insulating material on the substrate having the beam structure, and (f) depositing an electrode material on the disposed insulating material.

Abstract: Disclosed is an ink refill device. In the ink refill device, the main body is provided with a receiving space for receiving an ink cartridge therein, and first ink injecting part through which ink passes is provided on one outer side wall thereof. An ink injector is provided with second ink injecting part corresponding to the first ink injecting part so that ink is injected into the ink cartridge. Further, an ink absorber is provided in the main body neighboring the first ink injecting part to be closely contacted to an ink nozzle so that it absorbs ink being leaked from the ink nozzle. Whereby, a user, the surroundings or the ink cartridge can be prevented from being soiled.

Abstract: An apparatus and method for fabricating a color filter by printing pixels on a substrate using an ink jet head, optically analyzing pixel quality and controlling printing in accordance with the pixel quality. Optically analyzing may include analyzing a number of ink droplets or a transmittance of a printed pixel.

Abstract: Anode with a 2450 MHz resonance frequency, and magnetron therewith, the anode including a cylindrical anode body with an inside diameter in a range of 32.5 to 34.0 mm, a total of ten vanes fitted to an inside circumferential surface of the anode body in a radial direction, and an inner strap and an outer strap provided to both of an upper surface and a lower surface of each vane, a distance of the inner strap and the outer strap being in a range of 0.8 to 1.2 mm, and each of the inner strap and outer strap being in contact with every second vanes for electrical connection of the vanes alternately. The anode body and the vanes are formed as one unit for simplification of a fabrication process.

Abstract: Disclosed is an ink refill device. In the ink refill device, the main body is provided with a receiving space for receiving an ink cartridge therein, and first ink injecting part through which ink passes is provided on one outer side wall thereof. An ink injector is provided with second ink injecting part corresponding to the first ink injecting part so that ink is injected into the ink cartridge. Further, an ink absorber is provided in the main body neighboring the first ink injecting part to be closely contacted to an ink nozzle so that it absorbs ink being leaked from the ink nozzle. Whereby, a user, the surroundings or the ink cartridge can be prevented from being soiled.

Abstract: The invention is disclosed to variably control the amount of compressed air flowing per unit hour depending on the change in the level position of the wheel axles in a moving vehicle when the compressed air flows into air springs from the leveling valve or when the compressed air flows out of the air springs through the leveling valve, so as to make it possible to variably control the time to restore the status of the vehicle body depending on the level of rollings caused when the vehicle turns a corner, thereby achieving turning stability, higher response speed and steering.

Abstract: A roll decreasing structure of a suspension for front and dead axles of a commercial vehicle, wherein an axle is inserted into a body of a mounting member mounted at a frame. A base arm mounted with a wheel attached to an external side of the axle via a key, whereby the axle is mounted at the other end with a torsion bar case to which an end of a torsion bar composed of a straight spring steel is mounted by way of serrations.

Abstract: A thermally-driven ink-jet printhead includes a substrate having an ink chamber to be filled with ink to be ejected, a manifold for supplying ink, and an ink channel for providing flow communication therebetween. First and second sidewalls are formed to a predetermined depth from an upper surface of the substrate and define the ink chamber to have a substantially rectangular shape. A nozzle plate including a plurality of material layers is formed on the substrate. A nozzle passes through the nozzle plate and is in flow communication with the ink chamber. A heater is disposed between the nozzle and one of the first sidewalls above the ink chamber. A conductor is electrically connected to the heater. The conductor and the heater are disposed within the nozzle plate. A shifting feature moves cavitation points beyond an outer edge of the heater.

Abstract: An ink-jet printhead includes a substrate having an ink chamber and a manifold, a nozzle plate formed on the substrate, first and second heaters, first and second conductors, and first and second ink channels. The nozzle plate includes a plurality of passivation layers formed of an insulating material, a heat dissipation layer formed on the passivation layers and made of a thermally conductive material, and a nozzle passing through the nozzle plate and in flow communication with the ink chamber. The first and second heaters and conductors are interposed between adjacent passivation layers of the nozzle plate. The ink channels are interposed between the ink chamber and the manifold, for providing flow communication between the ink chamber and the manifold. The first and second heaters, conductors and ink channels are symmetric with respect to the nozzle.

Abstract: An ink-jet printhead includes an ink chamber to be filled with ink to be ejected, a manifold, which supplies ink to the ink chamber, an ink channel, which provides communication between the ink chamber and the manifold, a nozzle through which ink is ejected from the ink chamber, first and second heaters, which heat ink in the ink chamber to generate bubbles, and a conductor, which is electrically connected to the first and second heaters and applies a current to the first and second heaters, wherein the first and second heaters are positioned symmetrically around a center of the nozzle, and one of the first and second heaters is positioned adjacent to the ink channel.

Abstract: Anode with a 2450 MHz resonance frequency, and magnetron therewith, the anode including a cylindrical anode body with an inside diameter in a range of 32.5 to 34.0 mm, a total of ten vanes fitted to an inside circumferential surface of the anode body in a radial direction, and an inner strap and an outer strap provided to both of an upper surface and a lower surface of each vane, a distance of the inner strap and the outer strap being in a range of 0.8 to 1.2 mm, and each of the inner strap and outer strap being in contact with every second vanes for electrical connection of the vanes alternately. The anode body and the vanes are formed as one unit for simplification of a fabrication process.

Abstract: A magnetron includes an anode having an anode cylinder and anode vanes; a cathode having a filament; a condenser, a choke coil, and a plurality of leads for providing power to the filament; a plurality of magnets, pole pieces, and a yoke for forming a magnetic circuit; an antenna feeder and an antenna cap for transmitting a generated microwave outside of the magnetron; and a plurality of joints formed of a joining material between a metal component and a ceramic component of the magnetron. The joining material is diffused between the metal component and the ceramic component, to infiltrate into an inner part of the ceramic component directly, thereby joining the metal and ceramic components, and thereby also improving a reliability of a magnetron, facilitating a simple component assembly process and a simple magnetron fabrication process, permitting simplification of the fabrication process and reduction of a fabrication cost, and saving equipment cost as a high temperature furnace can be dispensed with.

Abstract: A magnetron includes an anode cylinder and anode vanes; a cathode having a filament; a condenser, a choke coil, and a plurality of leads for providing power to the filament; a plurality of magnets, pole pieces, and a yoke for forming a magnetic circuit; an antenna feeder and an antenna cap for transmitting a generated microwave outside of the magnetron; and a plurality of joints formed of a joining material between a metal component and a ceramic component of the magnetron. The joining material is diffused between the metal component and the ceramic component, to infiltrate into an inner part of the ceramic component directly, thereby joining the metal and ceramic components, and thereby also improving a reliability of a magnetron, facilitating a simple component assembly process and a simple magnetron fabrication process, permitting simplification of the fabrication process and reduction of a fabrication cost, and saving equipment cost as a high temperature furnace can be dispensed with.

Abstract: Magnetron including a cylindrical anode having a resonant space formed therein and a cathode fitted therein, magnets fitted to upper and lower sides of the anode, a yoke fitted on outsides of the anode and the magnets to for a closed circuit, and cooling devices including a main cooling device to form a heat discharge path from the anode, and a supplementary cooling device to form a heat discharge path from the magnet direct or indirectly, wherein the main cooling device is an anode heat conductor having one end closely fitted to an outside surface of the anode, and the other end passed to the yoke and exposed to an external air, and the supplementary cooling device includes a magnet heat conductor closely fitted to an outside surface of the magnet, the magnet heat conductor having one side in contact with the outside case of the magnetron, or a yoke heat conductor closely fitted to an outside surface of a yoke plate, the yoke heat conductor having one side in contact with the outside case of the magnetron.

Abstract: Magnetron including a plurality of anode vanes each having notches of shapes different from each other in a top and a bottom, ring formed outer straps of copper each in contact to every other one of the anode vanes in top and bottom notches thereof to connect the anode vanes for forming an electrostatic field to the anode vanes, and ring formed inner straps of a material having a heat resistance higher than the anode vanes of copper and a thermal expansion coefficient similar to the anode vanes each in contact to every other one of the anode vanes in top and bottom notches thereof other than the anode vanes the outer straps are not in contact in concentric with the outer straps on an inner side thereof, thereby preventing deformation and breakage of the straps in advance to allow application to a higher powered magnetron.

Abstract: The present invention provides a method for fabricating an optical fiber block capable of preventing degradations due to an outgassing effect provided from an epoxy material.

Abstract: An evaporator of a capillary pumped loop (CPL) cooling apparatus having a fine wick structure is provided. The evaporator having a flat board shape, of a capillary pumped loop (CPL) cooling apparatus includes a coolant storing part for storing in-flowing coolant from the condenser and collecting a uncondensed gas contained in the in-flowing coolant in an upper space, a cooling part for cooling the heating body through vaporization of the coolant, and superstructure and substructure combined with each other, for defining a channel region in which the coolant flows from the coolant storing part to the cooling part by a capillary action. In this case, the substructure includes a first substructure used as a substrate and a second substructure formed along a border of the substrate, or includes first through third segments equal to the first and second substructures.

Abstract: An ink refilling apparatus for a cartridge of an ink jet printer comprises an injector and a refill holder. The injector includes a cylinder containing ink and a piston inserted into the cylinder. An ejecting protrusion having an ejection hole is formed at the cylinder. An enclosing protrusion surrounding the ejecting protrusion is formed at the cylinder, and is formed with a female screw around the inner periphery. The refill holder includes a base onto which a cartridge is seated. First and second supporting walls are bent vertically from both ends of the base to support the cartridge. An inserting protrusion having a male screw around the outer periphery to be teeth-engaged with the female screw of the injector is bonded to the first wall of the refill holder. An ink injection passage is formed through the inserting protrusion to communicate with an injection hole of the cartridge.