Patent application number | Description | Published |
20090140322 | Semiconductor Memory Device and Method of Manufacturing the Same - A first insulation film (silicon dioxide film) and a second insulation film (aluminum oxide film) are laminated on a surface of a silicon substrate in this order to form a gate insulation film. At least one element (aluminum) of elements, which constitutes the second insulation film but is different from elements commonly contained in the whole area of the first insulation film, is caused to be contained in a part of the first insulation film, whereby a charge trapping site region is formed in the first insulation film. | 06-04-2009 |
20120091426 | RESISTANCE-VARIABLE ELEMENT AND METHOD FOR MANUFACTURING THE SAME - A resistance-variable element as disclosed has high reliability, high densification, and good insulating properties. The device provides a resistance-variable element in which a first electrode including a metal primarily containing copper, an oxide film of valve-metal, an ion-conductive layer containing oxygen and a second electrode are laminated in this order. | 04-19-2012 |
20120267598 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor device includes at least first and second electrodes, and a layer including a transition metal oxide layer sandwiched between the first and second electrodes. The transition metal oxide layer includes first and second transition metal oxide layers formed of different first and second transition metals, respectively. The first transition metal oxide layer is provided on the first electrode side, the second transition metal oxide layer is provided on the second electrode side, the first transition metal oxide layer and the second transition metal oxide layer are in contact with each other, the first transition metal oxide layer has an oxygen concentration gradient from the interface between the first transition metal oxide layer and the second transition metal oxide layer toward the first electrode side, and the oxygen concentration at the interface is greater than the oxygen concentration on the first electrode side. | 10-25-2012 |
Patent application number | Description | Published |
20120171013 | CROSS-FLOW FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades circumferentially spaced from each other. The fan blade has an inner edge portion on the radially inner side, and an outer edge portion on the radially outer side. A blade surface extends between the inner edge portion and the outer edge portion. The blade surface includes a pressure surface on the rotation direction side of the fan and a suction surface on the opposite side. In cross-section orthogonal to the rotation axis of the fan, the fan blade has a concave portions formed at the pressure surface and the suction surface. A plurality of concave portions are formed at pressure surface. Side fan provides excellent blowing capacity. Also disclosed are a molding die for use in production of the cross-flow fan, and a fluid feeder provided with the cross-flow fan. | 07-05-2012 |
20120171026 | CENTRIFUGAL FAN, MOLDING DIE, AND FLUID FEEDER - A centrifugal fan includes a plurality of fan blades circumferentially spaced apart from each other. The fan blade has a front edge portion to which air flows in a rear edge portion from which air flows out, and a blade surface extending between the front and rear edge portions. The blade surface includes a pressure surface on the rotation direction side of the centrifugal fan and a suction surface arranged on the back side of the pressure surface. The fan blade has a cross-sectional shape with concave portions formed at the pressure surface and the suction surface. Such a fan has an excellent blowing capacity. A molding die for use in production of the centrifugal fan, and a fluid feeder provided with the centrifugal fan are disclosed. | 07-05-2012 |
20120177477 | CROSS-FLOW FAN, MOLDING DIE, AND FLUID FEEDER - Disclosed is a cross-flow fan where an inner diameter (d) and an outer diameter (D) of a fan blade meet the relationship expressed by 0.55≦d/D≦0.95. In cross-flow fan, (N) representing number of fan blades, a chord length (L) and outer diameter (D) of fan blades, and (M) representing number of blade wheels meet the relationships expressed by of 0.6≦L/(πD/N)≦2.8 and 0.15≦πD/(N×M)≦3.77. A plurality of blade wheels are stacked on each other in a manner that a displacement angle (θ) is generated within the range of (1.2×360°/(N×M))≦θ≦(360°/N) between adjacent blade wheels. The displacement angle (θ) is set so that the overlapping number of fan blades having an equal installation angle is at most 5% of N×M representing a total number of fan blades. The present invention can provide a cross-flow fan that can succeed in noise reduction, a molding die used to produce the cross-flow fan, and a fluid feeder equipped with the cross-flow fan. | 07-12-2012 |
20130004329 | FAN, MOLDING DIE, AND FLUID FEEDER - A centrifugal fan includes a plurality of fan blades arranged spaced apart from each other in a circumferential direction. The fan blade has an inner edge portion disposed on an inner peripheral side and an outer edge portion disposed on an outer peripheral side. The fan blade has a blade surface including a pressure surface and a suction surface. When cut along a plane orthogonal to a rotation axis of the fan, the fan blade has a blade cross section having concave portions formed at the pressure surface and the suction surface. A plurality of fan blades include fan blades having blade cross sections of different shapes. With such a configuration, the fan has an excellent air-blowing capacity while preventing noise. A molding die for use in production of the fan and a fluid feeder including the fan are also provided. | 01-03-2013 |
20130101405 | FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion and constituted of a positive pressure surface and a negative pressure surface is formed. The fan blade has such a blade cross-sectional shape that a large-thickness portion at which a thickness between the positive pressure surface and the negative pressure surface is greatest is arranged closer to the inner edge portion. A recess recessed in the blade surface is formed at a position closer to the inner edge portion where the large-thickness portion is arranged, than to the outer edge portion. | 04-25-2013 |
20130101408 | FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion is formed. As the fan rotates, an air flow which flows between the inner edge portion and the outer edge portion is generated over the blade surface. The fan blade has such a blade cross-sectional shape that a recess is formed in the blade surface. The recess is arranged at a position closer to the outer edge portion than to the inner edge portion and formed to extend from one end to the other end of the fan blade in a direction of a rotation axis of the fan. | 04-25-2013 |
20130276473 | AIR CONDITIONER - The present invention is to provide an air conditioner provided with a cross flow fan having sufficient air blowing efficiency. The air conditioner includes, in a housing, an air passage extending from a suction port to a blowout port, a heat exchanger arranged at the upstream side of the air passage, a cross flow fan arranged in the air passage on the downstream side of the heat exchanger, and an air passage wall provided in a downstream area of the cross flow fan to reach the blowout port. A restricting section, which restricts an air passage sectional area, is provided at a corner section of the side wall of the air passage wall, which side wall is located at each of both shaft direction ends of the cross flow fan. The restricting section is formed to have a shape by which, in a downstream area of the cross flow fan, the air passage sectional area having a rectangular cross section expanding from the upstream side to the downstream side is restricted so as to reduce an enlargement ratio of the air passage sectional area. Further, the restricting section has a smooth restricting surface crossing the corner section of the cross section of the air passage, and the cross-sectional shape of the restricting surface is set to be gradually enlarged from the upstream side to the downstream side of the air flow. | 10-24-2013 |
20130336793 | CROSS-FLOW FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades provided to be circumferentially spaced apart from each other. The fan blade has an inner edge portion arranged on the radially inner side to/from which air flows in/out, and an outer edge portion arranged on the radially outer side to/from which air flows in/out. Fan blade has a blade surface extending between the inner edge portion and the outer edge portion. The blade surface includes a pressure surface arranged on the rotation direction side of the cross-flow fan and a suction surface arranged on the back side of the pressure surface. When cut along a plane orthogonal to the rotation axis of the cross-flow fan, the fan blade has a blade cross-sectional shape in which a concave portion concave from the pressure surface is formed. | 12-19-2013 |
20150016088 | LIGHTING DEVICE - A lighting device ( | 01-15-2015 |