Patent application number | Description | Published |
20120026645 | ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR - Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged. | 02-02-2012 |
20140133066 | ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR - Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged. | 05-15-2014 |
Patent application number | Description | Published |
20100026971 | PROJECTION-TYPE IMAGE DISPLAY APPARATUS - A projection-type image display apparatus includes a first reflecting optical element and a second reflecting optical element that are retained on a base. A base-side first positioning unit and a base-side second positioning unit are formed integrally with the base. The base-side first positioning unit abuts against the first reflecting optical element to define a position of the first reflecting optical element. The base-side second positioning unit abuts against the second reflecting optical element to define a position of the second reflecting optical element. | 02-04-2010 |
20110188007 | IMAGE PROJECTION APPARATUS - A dust-proof enclosure portion which stores therein an emission portion of a projection unit and in which a projection window from which image light is emitted is formed to direct upward, and a cabinet shielding structure which holds a screen on a front side, in which an opening that introduces the image light emitted from the projection window of the projection unit is included, and in which a second reflection mirror that reflects the introduced image light toward the rear surface of the screen is arranged are included, in which a second dust-proof cover is detachably attached to the opening (light introducing and managing opening) of the cabinet shielding structure, the projection window is exposed in a state where the second dust-proof cover is removed, and the cabinet shielding structure is a sealed structure in a state where the second dust-proof cover is attached. | 08-04-2011 |
20110194035 | IMAGE PROJECTION DEVICE - An image projection device that includes an optical projection system including: a projection lens arranged with an optical axis thereof shifted with respect to a light modulation device to project the light beam obliquely onto the screen; a flat mirror that reflects the light beam from the projection lens, has a rotation center on a side thereof on which a light beam having a long path from the projection lens to the screen is reflected, rotates around the rotation center and adjusts an angle of the light beam; and a curved mirror that reflects and magnifies the light beam from the flat mirror, has a rotation center on a side thereof on which a light beam having a short path from the projection lens to the screen is reflected, rotates around the rotation center and adjusts the angle of the light beam. | 08-11-2011 |
20130215398 | VIDEO PROJECTION DEVICE - A video projection device includes an optical engine, a projection lens, a reflection mirror, a non-spherical mirror, a screen, and a cabinet which covers the lower surface and the back surface of the screen. The projection lens and the non-spherical mirror are placed at an approximate center in the leftward and rightward directions of the screen and at a back portion within the cabinet. The reflection mirror is placed at an approximate center in the leftward and rightward directions of the screen and at a front portion within the cabinet. The video projection device further includes projection-unit structural members for integrally coupling the projection lens, the reflection mirror and the non-spherical mirror to each other, thereby forming a projection unit. | 08-22-2013 |
20140132847 | VIDEO PROJECTION DEVICE - A video projection device includes an optical engine which projects video light, an aspherical mirror which reflects the video light projected by the optical engine with a reflective surface formed in a rotationally symmetrical shape centering on an optical axis, a reflective screen on which the video light reflected by the aspherical mirror is projected, a shielding housing which houses the optical engine, the aspherical mirror, and an electric circuit portion which electrically drives the optical engine, and a strut member which connects a rear surface portion of the shielding housing, and a rear surface portion of the reflective screen in a state where the rear surface portion of the shielding housing and the rear surface portion of the reflective screen are positioned. | 05-15-2014 |
20140307234 | IMAGE PROJECTION APPARATUS - The size of an image is adjusted without changing the position of the lower side of a screen. An image projection apparatus includes an optical engine that emits image light constituting an image, and a casing having a configuration in which the optical engine is movable in a direction parallel to a path of a bottom light beam of the image light, the bottom light beam being directed toward a lower side of the screen. | 10-16-2014 |
Patent application number | Description | Published |
20090098399 | Coating Solution, and Gas Barrier Film, Gas Barrier Laminate and Gas Barrier Multilayer Film, Using the Coating Solution, and Their Manufacturing Methods - A coating solution comprising:
| 04-16-2009 |
20150096741 | MEMBER FOR HYDROCARBON RESOURCE COLLECTION DOWNHOLE TOOL - A downhole tool member for hydrocarbon resource recovery, comprising a shaped body of a polyglycolic acid resin having a weight average molecular weight of at least 70,000, having an effective thickness which is ½ or more of a critical thickness of surface decomposition, and exhibiting a thickness reduction rate in water which is constant with respect to time. As a result, it has become possible to more accurately design the strength and time up to the collapse of the downhole tool member which forms the whole or a part of a downhole tool for developing or repairing downholes for recovery of hydrocarbon resources, such as oil and gas. | 04-09-2015 |
20150144348 | BALL SEALER FOR HYDROCARBON RESOURCE COLLECTION AS WELL AS PRODUCTION METHOD THEREFOR AND DOWNHOLE TREATMENT METHOD USING SAME - A ball sealer for hydrocarbon resource recovery, comprising: a generally spherical entire structure including at least two layers of a spherical core and a surface resin layer covering the spherical core, of which at least the surface resin layer comprises a polyglycolic acid resin; and having a diameter of at least about 25 mm (1 inch). The ball sealer is produced through a process comprising the steps of: disposing a spherical core by a support pin at a substantially central position within a mold cavity, injecting a surface resin comprising a polyglycolic acid resin into the cavity surrounding the spherical core, causing the support pin to retreat up to a wall surface of mold cavity in synchronism with a completion of the injection of the surface resin, and then hardening the surface resin. As a result, it is possible to produce a large-diameter ball sealer suitable for use in the hydraulic fracturing process (hydraulic fracturing) widely used for recovery of hydrocarbon resources by using a polyglycolic acid resin which is a biodegradable resin having good mechanical strengths and a good size designability at least as a surface-forming resin, through relatively simple steps and with good dimensional accuracy. | 05-28-2015 |
20150252646 | SOLIDIFICATION- AND EXTRUSION-MOLDED ARTICLE OF POLYGLYCOLIC ACID AND METHOD FOR MANUFACTURING SAME - A solidification- and extrusion-molded article of polyglycolic acid that is formed of a resin material containing polyglycolic acid, the polyglycolic acid having a melt viscosity of 200 to 2,000 Pa·s when measured at a temperature of 270° C. under a shearing speed of 120 sec | 09-10-2015 |
20150290858 | SOLIDIFICATION- AND EXTRUSION-MOLDED ARTICLE OF POLYGLYCOLIC ACID AND METHOD FOR MANUFACTURING SAME - Provided are: a polyglycolic acid (PGA) solidification- and extrusion-molded article that is formed from a resin material containing PGA, the PGA having a weight average molecular weight of 100,000 to 300,000 and a melt viscosity (temperature: 270° C.; shearing speed: 120 sec | 10-15-2015 |
20150292292 | DOWNHOLE TOOL MEMBER FOR HYDROCARBON RESOURCE RECOVERY - A downhole tool member for hydrocarbon resource recovery, comprising a shaped body of a polyglycolic acid resin blended with an inorganic or organic short fiber reinforcement material, and having thickness reduction rate characteristics when held in water at 120° C., inclusive of: an initial thickness reduction rate (as an average for a holding period for 4 hours) which is at most 0.8 times that of a shaped body of the polyglycolic acid resin alone, and has a terminal thickness reduction rate (after the thickness decreases to 50% or less of an initial thickness) which is larger than 1.5 times the initial thickness reduction rate. As a result, it is possible to provide a downhole tool member, that is a temporary tool for formation or repair of downholes for recovery of hydrocarbon resources including oil and gas, or a part of the tool, which allows more accurate designing of collapse characteristics thereof. | 10-15-2015 |
20150354311 | POLY-L-LACTIC ACID SOLID-STATE EXTRUSION MOLDED ARTICLE, METHOD FOR PRODUCING THE SAME, AND USE APPLICATIONS OF THE SAME - A poly-L-lactic acid (PLLA) solid-state extrusion molded article having a weight average molecular weight of from 100,000 to 380,000 and a melt viscosity of from 20 to 2,000 Pa·s (at a temperature of 240° C. and a shear rate of 120 sec | 12-10-2015 |
Patent application number | Description | Published |
20090290612 | SEMICONDUCTOR LASER - A semiconductor laser having a double channel ridge structure includes: a ridge; channel portions located on opposite sides of the ridge, sandwiching the ridge, and having an equivalent refractive index lower than the equivalent refractive index of the ridge; and layers defining outside surfaces of the channel portions and, having an equivalent refractive index higher than the equivalent refractive index of the channel portions. The ridge has a flare ridge structure with a width that is widened toward a light outgoing end surface, and the width of the channel portions where the width of the ridge is the narrowest is wider than the channel portions at the light outgoing end surface. | 11-26-2009 |
20100003778 | METHOD OF MANUFACTURING SEMICONDUCTOR LASER - A method of manufacturing a semiconductor laser includes sequentially forming a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer on top of one another on a semiconductor substrate; forming a ridge in the second conductivity type semiconductor layer; forming a first insulating film on the second conductivity type semiconductor layer at a first temperature; forming a second insulating film on the first insulating film at a second temperature, lower than the first temperature; and forming an electrode on the second insulating film. | 01-07-2010 |
20100309661 | MULTI-WAVELENGTH SEMICONDUCTOR LASER DEVICE - A multi-wavelength semiconductor laser device includes a block having a rectangular groove with a bottom face and two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the bottom face and the side faces of the groove in the block so that their laser beams are emitted in the predetermined direction. | 12-09-2010 |
20130089116 | MULTI-WAVELENGTH SEMICONDUCTOR LASER DEVICE - A multi-wavelength semiconductor laser device includes a block having a rectangular groove with a bottom face and two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the bottom face and he side faces of the groove in the block so that their laser beams are emitted in the predetermined direction, | 04-11-2013 |
20140146844 | Multi-Wavelength Semiconductor Laser Device - A multi-wavelength semiconductor laser device includes a block having a V-shaped groove with two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the side faces of the groove in the block so that their laser beams are emitted in the predetermined direction. | 05-29-2014 |
Patent application number | Description | Published |
20120152080 | METHOD OF MANUFACTURING BLAZED DIFFRACTIVE GRATING AND METHOD OF MANUFACTURING MOLD FOR MANUFACTURING BLAZED DIFFRACTIVE GRATING - A method of manufacturing a blazed diffractive grating includes a first step of forming a first groove having a first surface and a second surface by moving, in the first direction at a first position in the second direction, a cutting tool having a first cutting blade and a second cutting blade to cut the object; a second step of forming a second groove by moving, in the first direction at a second position separated from the first position in the second direction by a grating pitch, the cutting tool to cut the object; and a third step of forming a blazed surface of the first groove using the first cutting blade by moving, in the first direction at a third position between the first position and the second position, the cutting tool to cut the first surface of the first groove. | 06-21-2012 |
20130089117 | ECHELLE DIFFRACTION GRATING, EXCIMER LASER, MANUFACTURING METHOD OF ECHELLE DIFFRACTION GRATING, AND ArF EXCIMER LASER - An Echelle diffraction grating has a Littrow configuration. Each grating includes a resin layer made of light curing resin and having a thickness between 2 μm and 10 μm, and a reflective coating layer formed on the resin layer, having a thickness between 120 nm and 500 nm, and made of aluminum. An apex angle between a blazed surface and a counter surface is between 85° and 90°. A first blaze angle is an angle that maximizes diffraction efficiency of a set blazed order for incident light of a wavelength of 193.3 nm. A blaze angle has an initial value of a second blaze angle smaller than the first blaze angle. 0.25°≦bd−ba≦1.2° is satisfied where bd denotes the first blaze angle and ba denotes the second blaze angle. | 04-11-2013 |
20140376095 | DIFFUSING PLATE HAVING MICROLENS ARRAY - A diffusing plate includes a microlens array in which a plurality of microlenses are arranged, wherein the microlenses have such a shape that a curvature of a sectional shape including a center line of the microlenses varies depending on a direction of the center line, and wherein microlenses that are different in the direction of a center line where the curvature of the outline is largest are arranged. | 12-25-2014 |
20150369977 | OPTICAL ELEMENT, SPECTROSCOPIC APPARATUS, AND METHOD FOR MANUFACTURING THE SAME - An optical element formed of a plurality of materials includes a middle layer between a base material and a reflecting member so as to suppress stripping, cracking and the like of the optical surface due to the difference in coefficients of thermal expansion among the component materials, in the case where a temperature difference in the service environment or a temperature difference between a manufacturing environment and the service environment is large. | 12-24-2015 |