Patent application number | Description | Published |
20080240987 | Micro fluidic device and method for producing micro fluidic device - A micro fluidic device comprises a micro channel in which a plurality of fluids form laminar flows and are supplied, wherein an inner wall of the micro channel comprise a protruding part that is substantially parallel to the flows of the fluids and protrudes in directions substantially vertical to interfaces formed by the plurality of fluids. | 10-02-2008 |
20100052204 | METHOD FOR MANUFACTURING AGGREGATED RESIN PARTICLES - A method for manufacturing aggregated resin particles, includes: preparing a microreactor that includes a first flow channel, a second flow channel, and a confluent flow channel, to which the first flow channel and the second flow channel merge; introducing a first fluid that contains resin particles dispersed therein into the first flow channel; introducing a second fluid that contains an aggregating agent into the second flow channel; feeding the first and second fluids so that a feed amount per unit time of the second fluid is greater than a feed amount per unit time of the first fluid, so as to form a laminar flow, in which the first fluid and the second fluid are merged, in the confluent flow channel; and forming aggregated resin particles by aggregating the resin particles. | 03-04-2010 |
20100072112 | SEPARATION METHOD AND SEPARATION APPARATUS - A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and a discharge path from which particles separated by the separation path are discharged. | 03-25-2010 |
20100072116 | CLASSIFYING DEVICE AND METHOD OF CLASSIFICATION - A classifying device for classifying particles using a centrifugal force contains a microchannel includes a curved portion including a first tubular channel and a second tubular channel; and a diaphragm that is provided within the curved portion, and that is located at a position between the first tubular channel and the second tubular channel; and wherein the diaphragm has at least a first apertured group formed in a central region of the diaphragm and a second apertured group formed in a first end region and a second end region of the diaphragm, the first apertured group and the second apertured group communicate the first tubular channel with the second tubular channel along a direction of the centrifugal force, the first apertured group has a mesh, and the second apertured group has a mesh that is different in size from the mesh of the first apertured group. | 03-25-2010 |
20100122957 | MICROCHANNEL DEVICE, SEPARATION APPARATUS, AND SEPARATION METHOD - A microchannel device is provided, the microchannel device containing a microfluidic channel including a sub fluidic channel in which at least one filtration diaphragm is provided, wherein the microfluidic channel has at least a supply port, a first discharge port and a second discharge port, the supply port and the first discharge port are connected through the filtration diaphragm, the supply port and the second discharge port are connected without the filtration diaphragm, and the filtration diaphragm is provided parallel to a fluidic channel direction of the microfluidic channel. | 05-20-2010 |
20100124717 | COLORED RESIN PARTICLES, MANUFACTURING METHOD OF THE COLORED RESIN PARTICLES AND TONER FOR ELECTROSTATICALLY CHARGED IMAGE DEVELOPMENT - Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (μm) of the colored resin particles is 3≦A≦6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and | 05-20-2010 |
20100224551 | MICRO FLUIDIC DEVICE, SEPARATION METHOD AND SEPARATION APPARATUS - A micro fluidic device includes a separation membrane that has an upper surface and a lower surface opposing to each other and a side surface; a plurality of base materials that sandwiches the separation membrane; a first channel and a second channel that are partitioned from each other by the separation membrane; a first feed port that is connected to the first channel; and a first discharge port that is connected to the second channel, wherein the first channel comes into contact with at least a part of the upper surface and the lower surface of the separation membrane, the second channel comes into contact with at least a part of the side surface of the separation membrane, and a fluid is movable in a surface direction within the separation membrane. | 09-09-2010 |
20100243539 | CLASSIFYING METHOD AND CLASSIFYING DEVICE - A classifying device having two or more classifying passages is provided, the classifying device including a first classifying passage to which particle dispersion liquid is fed; plural discharge ports provided in the first classifying passage, the plural discharge ports including a discharge port of coarse particle dispersion liquid and a discharge port of fine particle dispersion liquid; a second classifying passage; and a connecting passage that transports the coarse particle dispersion liquid to the second classifying passage, wherein the discharge port of the coarse particle dispersion liquid is provided in more upstream part of the first classifying passage than the discharge port of the fine particle dispersion liquid. | 09-30-2010 |
20110011462 | LIQUID TRANSPORTING METHOD AND CLASSIFYING METHOD - A method for transporting dispersion, includes: introducing dispersion containing particles into a liquid transporting channel from a dispersion introducing port; transporting the dispersion in a laminar flow through the liquid transporting channel; and discharging the dispersion from a downstream of the liquid transporting channel, and the liquid transporting channel has a bent portion in a vertical direction, and a Dean vortex which cancels an exchange flow that is produced by movement of the particles caused by gravitational force is generated in the bent portion. | 01-20-2011 |
20110011776 | CLASSIFYING APPARATUS AND METHOD - A classifying apparatus includes: a classifying channel that, in an upper portion, has a channel through which a particle dispersion is transported, and that, in a lower portion, has a channel through which transporting liquid is transported; a particle dispersion introducing channel where one end has an opening into which the particle dispersion is introduced, and another end is connected to the channel through which the particle dispersion is transported; a transporting liquid introducing channel where one end has an opening into which the transporting liquid is introduced, and another end is connected to the channel through which the transporting liquid is transported; and at least one recovery channel as defined herein, a channel width of the channel through which the particle dispersion is transported being smaller than a channel width of the channel through which the transporting liquid is transported, in the classifying channel. | 01-20-2011 |
20110017645 | DEVICE FOR CLASSIFYING PARTICLES AND METHOD FOR CLASSIFYING PARTICLES - A classification device includes: a classification channel for classifying particles; a particle dispersion delivery channel as defined herein; a conveying fluid feed channel as defined herein; and at least one collection channel as defined herein, and the particle dispersion delivery channel satisfying relationship (1): | 01-27-2011 |
20110042279 | DEVICE AND METHOD FOR CLASSIFYING PARTICLES - A classification device includes: a classification channel, a particle dispersion delivery channel having an opening for introducing a particle dispersion at one end thereof with the other end connected to the classification channel via a junction, a conveying fluid feed channel having an opening for introducing a conveying fluid at one end thereof with the other end connected to the classification channel, and at least one collection channel for collecting separated particles, the collection channel having an opening at one end thereof with the other end connected to the classification channel, the junction and the classification channel having substantially equal widths, and at least one of the at least one collection channel having a bottom wall with an upwardly convex shape in the middle portion of its width. | 02-24-2011 |
20120231391 | COLORED RESIN PARTICLES, MANUFACTURING METHOD OF THE COLORED RESIN PARTICLES AND TONER FOR ELECTROSTATICALLY CHARGED IMAGE DEVELOPMENT - Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (μm) of the colored resin particles is 3≦A≦6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and | 09-13-2012 |