Patent application number | Description | Published |
20090216053 | PROCESS FOR PRODUCING HEXAFLUORO-1,3-BUTADIENE - Disclosed is a process for producing hexafluoro-1,3-butadiene, which is used for an etching gas capable of being used in fine processing for semiconductors, safely in industrialization and at low cost economically. Specifically disclosed is a process for producing hexafluoro-1,3-butadiene comprises (1) a step comprising allowing a compound having four carbon atoms each which bonds to an atom selected from the group consisting of a bromine atom, an iodine atom and a chlorine atom, to react with a fluorine gas in the presence of a diluting gas in a gas phase, thereby preparing a mixture containing a product (A), and (2) a step comprising eliminating halogens excluding a fluorine atom with a metal from the product (A) prepared in the step (1) in the presence of a solvent, thereby preparing a mixture containing hexafluoro-1,3-butadiene. | 08-27-2009 |
20090216054 | PROCESS FOR PRODUCING 1,2,3,4-TETRACHLOROHEXAFLUOROBUTANE - Disclosed is a process for producing 1,2,3,4-tetrachlorohexafluorobutane safely in a high yield in the industrial viewpoint and at low cost in the economical viewpoint. Specifically disclosed is a process for producing 1,2,3,4-tetrachlorohexafluorobutane which process comprises: (1) a step of chlorinating 1,3-butadiene, thereby preparing a mixture containing 1,2,3,4-tetrachlorobutane, and (2) a step of allowing the 1,2,3,4-tetrachlorobutane prepared in the step (1) to react with a fluorine gas in the presence of a diluting gas in a gas phase, thereby preparing a mixture containing 1,2,3,4-tetrachlorohexafluorobutane. | 08-27-2009 |
Patent application number | Description | Published |
20080204924 | Information recording device - Embodiments of the present invention help to compute controlling quantity to make the spacing between a floating head slider and a recording medium optimum without damaging the floating head slider and the recording medium by detecting the floating head slider's contact with the recording medium with high sensitivity. According to one embodiment, when the floating head slider is floating over the magnetic disk, a controller takes samples of a notable characteristic value (amplitude) from signals reproduced by a reproducing head, retains the variation of the sample amplitude as a reference signal, takes samples of amplitude from signals reproduced by the reproducing head while reducing the spacing between the floating head slider and the magnetic disk gradually, produces a signal which is the sample signal from which the reference signal is subtracted, detects the floating head slider's contact with the magnetic disk when the fluctuation of the signal so produced exceeds a reference value and, on the basis of a fly-height-control mechanism's controlling quantity at the time of the contact, computes the controlling quantity for making the spacing between the floating head slider and the magnetic disk optimum. | 08-28-2008 |
20110069414 | HARD-DISK DRIVE - A hard-disk drive. The hard-disk drive includes a magnetic-recording disk in which tracks adjacent to each other are magnetically separated, a spindle motor which drives the magnetic-recording disk, a magnetic-recording head equipped with write element and read element, an actuator for positioning the magnetic-recording head on a predetermined track on the magnetic-recording disk, and a control unit. The control unit is configured to store information about an over-write-only track that is provided for a plurality of tracks including n consecutive tracks in at least a partial radial area of the magnetic-recording disk and an offset amount. In a radial area of the magnetic disk where the over-write-only track is located, the control unit is configured to record with an offset by an offset amount from a center of a track toward the over-write-only track with respect to n−1 tracks of the plurality of n tracks, excluding the over-write-only track. | 03-24-2011 |
Patent application number | Description | Published |
20090250313 | Component mounting apparatus, mounting-component producing method, and conveyor apparatus - A component mounting apparatus includes: a load area to load a substrate; an unload area to unload the substrate; a main area interposed between the load and unload areas, including a first area including a first mounting area, a second area including a second mounting area, and a third area interposed therebetween; two mounting units to mount, on the substrate, first and second components in the first and second mounting areas, respectively; a conveyor group to convey the substrate, including first to fourth conveyors, the second and fourth conveyors being capable of receiving the substrate from the first and third conveyors in the first and second areas, respectively; and a driving mechanism capable of moving at least one of the first and second conveyors between the first and third areas and moving at least one of the third and fourth conveyors between the second and third areas. | 10-08-2009 |
20100313407 | COMPONENT SUPPLYING APPARATUS, COMPONENT MOUNTING APPARATUS, COMPONENT SUPPLYING METHOD, POSITIONING APPARATUS, AND POSITIONING METHOD - A component supplying apparatus includes a motor, a rotating body, a transmitting mechanism, and a predicting section. The rotating body engages with a carrier tape in which a plurality of components to be mounted on a circuit board by a component mounting apparatus are accommodated at predetermined pitches and pays out the carrier tape at the predetermined pitches for supplying the plurality of components. The transmitting mechanism transmits a driving force of the motor to the rotating body. The predicting section predicts a deviation amount of a supplying position of each of the plurality of components based on a model formula expressing a periodical fluctuation of the supplying position of each of the plurality of components that is due to the transmitting mechanism and caused at a time the carrier tape is paid out by the rotating body. | 12-16-2010 |
20120267216 | COMPONENT MOUNTING APPARATUS, MOUNTING-COMPONENT PRODUCING METHOD, AND CONVEYOR APPARATUS - A component mounting apparatus includes: a load area to load a substrate; an unload area to unload the substrate; a main area interposed between the load and unload areas, including a first area including a first mounting area, a second area including a second mounting area, and a third area interposed therebetween; two mounting units to mount, on the substrate, first and second components in the first and second mounting areas, respectively; a conveyor group to convey the substrate, including first to fourth conveyors, the second and fourth conveyors being capable of receiving the substrate from the first and third conveyors in the first and second areas, respectively; and a driving mechanism capable of moving at least one of the first and second conveyors between the first and third areas and moving at least one of the third and fourth conveyors between the second and third areas. | 10-25-2012 |
Patent application number | Description | Published |
20100103221 | LIQUID DROPLET DISCHARGING DEVICE AND IMAGE FORMING DEVICE - There is provided a liquid droplet discharging device including: a liquid passage member provided with a liquid passage into which a liquid is supplied; plural nozzles provided for the liquid passage member and each discharging the liquid contained in the liquid passage; a holding member that holds both end portions of the liquid passage member; and a drive unit that drives at least one of the holding members, and deforms the liquid passage member from a concave state to a convex state in the liquid droplet discharge direction, imparts inertial force to the liquid, and discharges liquid droplets from the nozzles. | 04-29-2010 |
20100156995 | LIQUID DROPLET EJECTING HEAD AND LIQUID DROPLET EJECTING APPARATUS - A liquid droplet ejecting head of an aspect of the invention includes: a nozzle ejecting a liquid-droplet; a liquid flow path member in which a liquid is supplied toward the nozzle; a back-pressure generating unit applying back-pressure to the liquid in a liquid-flow-path toward the nozzle; a beam member joined together with or including the liquid flow path member, deforming to become concave in a liquid-droplet ejection direction, thereafter undergoing buckling reverse deformation to become convex in the ejection direction, and applying inertia to the liquid near the nozzle in the ejection direction, to cause the liquid near the nozzle to be ejected; an opening disposed on an opposite side of the liquid flow path member in the ejection direction and communicated with the atmosphere; a suction path whose suction opening is directed toward near the nozzle; and a negative-pressure generating unit generating negative-pressure in the suction path. | 06-24-2010 |
20130241998 | DROPLET EJECTION HEAD AND A METHOD FOR MANUFACTURING DROPLET EJECTION HEAD - A droplet ejection head includes head members, dummy members, a sealant, and elastic members. Each of the head members has a nozzle face where a plurality of nozzles for ejecting droplets are formed and an attaching face which is a back side face with respect to the nozzle face. Each of the dummy members has a dummy nozzle face and an attaching face which is a back side face with respect to the dummy nozzle face. The dummy members are placed at both end sides of the elongated substrate in the longitudinal direction so that second gaps between the outmost head members and the dummy members are formed. The sealant is filled in each of first gaps between the head members and the second gaps, bonds the head members and the dummy members with the outmost head members, and seals the first gaps and the second gaps. | 09-19-2013 |
Patent application number | Description | Published |
20120249712 | LIGHT-EMITTING CHIP, PRINT HEAD, AND IMAGE FORMING APPARATUS - A light-emitting chip includes plural light-emitting thyristors having a first anode terminal, a first cathode terminal, and a first gate terminal, plural setting thyristors having a second anode terminal, a second cathode terminal, and a second gate terminal and setting the absolute value of a threshold voltage of each light-emitting thyristor to be smaller than that in an OFF state, plural transmission thyristors having a third anode terminal, a third cathode terminal, and a third gate terminal and setting the absolute value of a threshold voltage of each setting thyristor to be smaller than that in an OFF state, plural first connecting resistors connecting the first gate terminals and the second gate terminals, plural second connecting resistors connecting the second gate terminals and the third gate terminals, and plural third connecting resistors connecting the first gate terminals to a power supply line supplied with a source potential. | 10-04-2012 |
20120249715 | LIGHT EMITTING APPARATUS, PRINT HEAD AND IMAGE FORMING APPARATUS - A light emitting apparatus includes a plurality of light emitting chips, a first wire, a second wire, a third wire, and a fourth wire. The plurality of light emitting chips each have a plurality of light emitting devices and are divided into a plurality of chip groups, the light emitting devices in each of the light emitting chips being divided into a plurality of device groups. The first wire transmits in common a transmission signal to the light emitting chips. The second wire transmits in common a first selection signal to a given chip group of the light emitting chips. The third wire transmits in common a second selection signal to a set of the device groups. The fourth wire transmits a turn-on control signal to each of the chip groups. | 10-04-2012 |
20130250031 | LIGHT EMITTING ELEMENT ARRAY CHIP, LIGHT EMITTING ELEMENT HEAD, AND IMAGE FORMING APPARATUS - A light emitting element array chip includes first and second light emitting element rows including light emitting elements that are arranged in a main scanning direction in a zigzag, a first light emission signal line transmitting a light emission signal for allowing the light emitting elements forming the first light emitting element row to emit light, and a second light emission signal line transmitting a light emission signal for allowing the light emitting elements forming the second light emitting element row to emit light, wherein the first light emission signal line or the second light emission signal line is arranged in the main scanning direction between the first light emitting element row and the second light emitting element row and is provided in regions between the light emitting elements forming the first light emitting element row and between the light emitting elements forming the second light emitting element row. | 09-26-2013 |
Patent application number | Description | Published |
20120180697 | CELLULOSE ACYLATE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3. | 07-19-2012 |
20120186489 | CELLULOSE ACYLATE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - A cellulose acylate film containing a cellulose acylate and a carbohydrate derivative satisfying that the Clog P value thereof is from 0 to 5.5 and the maximum value of the molar extinction coefficient thereof in a wavelength range of from 230 nm to 700 nm is at most 50×10 | 07-26-2012 |
20140242300 | POLARIZER, POLARIZING PLATE USING THE SAME, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING POLARIZING PLATE - Provided is a polarizer durable against high-temperature and high-humidity conditions, small in changes in the single plate transmittance, and a liquid crystal display device. A polarizer comprising a polyvinyl alcohol-based resin, a dichroic colorant, and a compound, etc. represented by the formula (1) below, the content of the compound represented by the formula (1) being 0.01 to 30 parts by mass relative to 100 parts by mass of the polyvinyl alcohol based resin. In the formula (1), each of Ri and R3 independently represents a hydrogen atom, C1-20 straight-chain alkyl group, C3-20 branched alkyl group, C3-20 cycloalkyl group, 02-20 alkenyl group or C6-20 aromatic group, and R5 represents a substituent. | 08-28-2014 |
20140242302 | LAMINATE, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING POLARIZING PLATE - Provided is a polarizing plate having improved single plate transmittance under high-temperature and high-humidity conditions, and a liquid crystal display device using the same. A laminate comprising a polarizer, and an adhesive layer adjoining to at least one surface of the polarizer, the adhesive layer containing a resin and a compound, etc. represented by the formula (1) below. In the formula (1), each of R | 08-28-2014 |
20140318413 | CELLULOSE ACYLATE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3. | 10-30-2014 |
Patent application number | Description | Published |
20100013939 | IMAGE APPARATUS AND ELECTRONIC DEVICE - An imaging apparatus includes a barrel unit having a photographic lens, an image pickup device configured to receive light through the photographic lens to capture a subject image, a movable unit configured to movably support the image pickup device in a direction perpendicular to a light-receiving axis of the subject image, a processing unit configured to process signals from the image pickup device, a flexible board configured to connect the image pickup device to the processing unit, and a positioning unit configured to position the flexible board. | 01-21-2010 |
20100178044 | IMAGE BLUR CORRECTION DEVICE AND IMAGING APPARATUS EQUIPPED THEREWITH - An image blur correction device includes: a movable frame which is equipped with a lens or an imaging element and has a guide part; a fixed frame having a guide supporting part which movably supports the movable frame by coming into contact with the guide part; and a drive mechanism which drives the movable frame for correcting image blur by moving the movable frame relative to the fixed frame. The fixed frame has magnetic bodies, and the movable frame has urging magnets at positions corresponding to the magnetic bodies. Specifically, the urging magnets use attractive force between the magnets and the magnetic bodies, so as to urge the movable frame in a direction in which the guide part and the guide supporting part come into contact with each other. | 07-15-2010 |
20120038784 | SHAKE CORRECTING SYSTEM, LENS BARREL, IMAGING DEVICE AND HAND-HELD DATA TERMINAL - A shake correcting system includes an optical imaging system, an image sensor, a movable unit comprising a movable frame in which the image sensor is fixed and a rotation restricting element, a base movably supporting the movable unit in a predetermined plane substantially orthogonal to an optical axis of the optical imaging system, a drive mechanism driving the movable unit relative to the base in directions vertical and orthogonal to the optical axis, a blur correcting function to correct blurs in a subject image due to shakes of the shake correcting system, a rotation restricting mechanism preventing rotation of the movable frame around the optical axis with the rotation restricting element, and a slide mechanism allowing the movable unit to be freely movable in the predetermined plane, and comprising a magnet, a magnetic plate attracted to the magnet, a spherical element supported between the magnetic plate and the magnet. | 02-16-2012 |
20140347753 | LEAD SCREW DEVICE, LENS DRIVER, LENS BARREL, AND CAMERA USING THE LEAD SCREW DEVICE - A lead screw device includes a lead screw including a thread portion, and a driven body which engages with the thread portion, and moves in an axis direction of the lead screw along with rotation of the lead screw about an axis, the driven body including a pair of driven members disposed to sandwich the lead screw in a radial direction, wherein the pair of driven members is biased in a direction which sandwiches the lead screw in the radial direction, and a tooth portion provided in each of the driven members engages with the thread portion of the lead screw by a biasing force. | 11-27-2014 |
Patent application number | Description | Published |
20110048571 | BLOW-MOLDED FOAM AND PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam 1 having a wall portion formed in such a manner that a thermoplastic resin containing a foaming agent mixed therewith is subjected to blow molding. Herein, the wall portion has a closed cell structure in which a plurality of foamed cells are contained. The wall portion has an expansion ratio of not less than 2.0 times. The wall portion has an outer face having a center-line average surface roughness Ra of less than 9.0 μm. The foamed cell has a cell diameter having a standard deviation of less than 40 μm in a thickness direction of the wall portion. | 03-03-2011 |
20110056584 | LIGHT-WEIGHT AIR CONDITIONING DUCT FOR VEHICLE - [Problem] To provide a light-weight air conditioning duct for vehicle that is light in weight and excellent in mechanical strength. | 03-10-2011 |
20110101558 | METHOD FOR MANUFACTURING MOLDED FOAM - An object of the invention is to provide a method for manufacturing a molded foam which is lightweight and excellent in strength. According to the invention, a method for manufacturing a molded foam from a foamed parison includes: an extruding step of extruding a resin blend containing a foaming agent and a thermoplastic resin to form a foamed parison; an attaching step of closely attaching facing portions of an inner wall surface of the foamed parison to each other to form a foamed parison laminated body; a mold clamping step of sealing and mold clamping the foamed parison laminated body by clamping the foamed parison laminated body by split mold blocks; and a sucking step of sucking air between the split mold blocks to reduce a pressure between the split mold blocks, after the attaching step and the mold clamping step. | 05-05-2011 |
20110104414 | METHOD FOR MOLDING MOLDED FOAM, AND MOLDED FOAM - The invention provides a molded foam molding method capable of obtaining a molded foam in which pinholes may not be formed with ease even when a blow ratio is high and which has a high expansion ratio. The invention also provides a molded foam which includes no pinholes, is reduced in weight, and is excellent in heat insulating property. The molding method includes blending a polypropylene-based resin having an equilibrium compliance from 2.0 to 6.0 (10 | 05-05-2011 |
20110127688 | METHOD FOR MANUFACTURING MOLDED FOAM - A method for manufacturing molded foam which uses cheap materials, is light in weight and which is excellent in impact resistance. In the method for manufacturing molded foam, propylene homopolymer with a long chain branch, propylene ethylene block copolymer and low density polyethylene are mixed in the base resin at a prescribed mixing ratio. A blowing agent is added to carry outfoaming. A prescribed mixing ratio is determined based on the value arrived at by a multiplying melt tension of each material mixed with the melt flow rate and the Tensile Rupture Elongation. | 06-02-2011 |
20130164474 | METHOD OF FORMING HOLLOW BLOW-MOLDED FOAM AND SUCH HOLLOW BLOW-MOLDED FOAM - An object of the present invention is to provide a method of forming a hollow blow-molded foam and also provide such a hollow-molded foam, which are capable of improving a flow-rate efficiency of a fluid that flows through the inside of the hollow blow-molded foam. A foaming resin is sandwiched between molds so that a hollow blow-molded foam having a ventilation path is molded, and a fluid for use in cooling the hollow blow-molded foam is allowed to flow through the ventilation path so that the hollow blow-molded foam is cooled. | 06-27-2013 |