Patent application number | Description | Published |
20080286152 | Hyperbrached Polymer for Micro Devices - The invention relates to novel polymer-based microstructures, with outstanding shape accuracy and cost-effective processing. The novel polymers are based on hyperbranched macromolecules and enable remarkable property combination such as reduced shrinkage and associated low stress, high shape fidelity and high aspect ratio in patterned microstructures, with additional benefit of fast and low-cost production methods. The invention also relates to methods to produce these microstructures. The polymer-based microstructures are relevant for, but not limited to micro- and nano- technologies applications, including lab-on-a-chip devices, opto-electronic and micro- electromechanical devices, optical detection methods, in fields of use as diverse as automotive, aerospace, information technologies, medical and biotechnologies, and energy systems. | 11-20-2008 |
20100025246 | APPARATUS AND METHOD FOR DETECTING MOTION CHARACTERISTICS OF PARTICLES IN FLOW CHANNEL - Disclosed herein is an apparatus and method for detecting the motion characteristics of particles in a flow channel. The apparatus of the present invention includes first and second electrode groups, each comprising a pair of electrodes, which are arranged to be spaced apart from each other in a flow channel, the pair of electrodes functioning as both a drive electrode and a sensing electrode for directly applying voltage and measuring impedance between the electrodes. An operation control unit measures variation in electrical pulses generated in the first and second electrode groups, thus detecting motion characteristics of the particles. The present invention is advantageous in that it does not require complicated optical measuring instruments or analyzing instruments, and in that it can be used to easily detect the motion characteristics of particles in a flow channel merely by analyzing variation in electrical pulses without requiring preliminary information. | 02-04-2010 |
20100040984 | METHOD OF FABRICATING MICRO ELECTRO-MECHANICAL COMPONENT - A method of manufacturing a micro electro-mechanical component having a three-dimensional structure includes preparing a conductive substrate, selectively insulating or removing the conductive substrate to form a functional structure for performing a desired electro-mechanical function, forming a plated structure serving as an electrical connection portion on at least one surface of the functional structure, and mounting the functional structure on a circuit substrate so that the electrical connection portion is connected to a circuit pattern of the circuit substrate. | 02-18-2010 |
20100311158 | DEVICE AND SYSTEM FOR CULTURING CELLS AND METHOD OF CULTURING CELLS USING THE SAME - The present invention provides a device for culturing cells. The device includes a well and a membrane. The well has an internal space and a membrane actuating control channel. The internal space has an inlet and an outlet. The membrane is provided between the membrane actuating control channel and the internal space such that the membrane actuating control channel is isolated from the internal space. The membrane is elastically varied in shape to form a three-dimensional cell culture space in the internal space. | 12-09-2010 |
20100319437 | DEVICE AND METHOD FOR MEASURING FINE PARTICLE CONCENTRATION - Disclosed is a device for measuring the concentration of the particles contained in a fluid. The device comprises a control volume body having a predetermined effective volume. An inlet path is formed at an end of the control volume body to feed the fluid into the control volume body therethrough. An outlet path is formed at another end of the control volume body to discharge the fluid from the control volume body therethrough. Measuring instruments are provided at the inlet path and the outlet path to emit electrical signals when the fine particles pass through the inlet path and the outlet path. A computing machine receives the electrical signals transmitted from the measuring instruments, and then computes the number and the concentration of fine particles contained in the control volume body. The device is easily integrated with Micro-TAS (Total analysis System). | 12-23-2010 |
20100321045 | Device And System For Measuring Properties Of Cells And Method Of Measuring Properties Of Cells Using The Same - According to a device and system for measuring the properties of cells, there is an advantage in that, since a cell accommodation unit having a volume is provided, the properties of three-dimensional cells can be measured. Further, the present invention is advantageous in that it enables passive measurement of multiple properties which passively measures the electrical, mechanical and/or optical properties of cells, and active measurement of multiple properties which actively applies electrical, mechanical and optical types of stimulation to cells and measures their electrical, mechanical and/or optical reactions, thus measuring the multiple properties of cells with high reliability. | 12-23-2010 |
20100321450 | Droplet Receiver and Method Of Receiving Droplets - Disclosed herein is a droplet receiver. The droplet receiver includes an internal space formed such that its sectional area is reduced towards an input part, thus preventing the rebounding of droplets which enter a droplet receiving part, and includes an intercepting fluid layer so as to isolate the received droplets from the outside, thus preventing droplets received in the droplet receiving part from being contaminated and volatilizing. | 12-23-2010 |
20100332148 | DEVICE AND METHOD FOR MEASURING FINE PARTICLE CONCENTRATION - Disclosed is a device for measuring the concentration of the particles contained in a fluid. The device comprises a control volume body having a predetermined effective volume. An inlet path is formed at an end of the control volume body to feed the fluid into the control volume body therethrough. An outlet path is formed at another end of the control volume body to discharge the fluid from the control volume body therethrough. Measuring instruments are provided at the inlet path and the outlet path to emit electrical signals when the fine particles pass through the inlet path and the outlet path. A computing machine receives the electrical signals transmitted from the measuring instruments, and then computes the number and the concentration of fine particles contained in the control volume body. The device is easily integrated with Micro-TAS (Total analysis System). | 12-30-2010 |
20120253205 | APPARATUS AND METHOD FOR MEASURING BLOOD FLOW - An apparatus for measuring blood flow includes a detection part and a signal processing part. The detection part includes a blood flow detector for measuring a blood flow of a measured portion of an object, which makes contact with the measured portion, and a force detector for detecting a contact force between the blood flow detector and the measured portion. The signal processing part produces a corrected blood flow in reflection of an error of the blood flow due to the contact force. | 10-04-2012 |
20120315694 | CELL CULTURE UNIT AND CELL CULTURE DEVICE INCLUDING THE SAME - There is provided a cell culture device, which includes a plurality of cell culture units, in which the cell culture unit includes: a cell culture tub that defines a culture space for cultivating cells, contains culture medium in the culture unit, and has an air layer above the culture medium; a drainage channel that is connected to the cell culture tub to discharge used culture medium to the integral drainage channel; an open culture medium reservoir that supplies new culture medium into the cell culture tub; and a droplet generator that is disposed between the cell culture tub and the open culture medium reservoir and supplies the culture medium from the open culture medium reservoir to the cell culture tub, using negative pressure of the air layer generated when the used culture medium is discharged. | 12-13-2012 |
20120325347 | PARTICLE PROCESSING DEVICE USING CENTRIFUGAL FORCE - A particle processing device includes a substrate and at least one fluidic path. The substrate is rotatable with respect to the middle region thereof. The fluidic path is provided in the substrate to extend from the middle region to a peripheral region. The fluidic path transfers a fluid having a particle from an input portion to an output portion of the fluidic pather by using a centrifugal force of the rotation of the substrate. A capturing region is formed between the input portion and the output portion of the fluidic path to have a changeable sectional shape for capturing the particle. | 12-27-2012 |
20120329141 | SELECTIVE PARTICLE CAPTURE AND COLLECTION DEVICE - A particle processing device includes a chamber and at least one capturing structure. The chamber is connected to a first port and a second port to provide a space between the first and second ports for flowing of a fluid having a particle. The capturing structure is provided in the chamber to form a fluidic channel, wherein the fluidic channel has a first opening and a second opening and a capturing region is formed between the first and second openings such that the capturing region has a changeable sectional shape for capturing the particle in the fluid flowing from the first port to the second port. | 12-27-2012 |
20130255396 | SURFACE SHAPE MEASURING DEVICE - A surface shape measuring device includes a substrate, an electrode portion including at least one electrode pattern, the electrode pattern extending on the substrate, a coating layer on the substrate to cover the electrode pattern, and a detector electrically connected to the electrode pattern and detecting a change in a physical quantity of the electrode pattern generated by the deformation of the substrate or the coating layer by an external load applied thereto. | 10-03-2013 |
20150076047 | Particle Processing Device Using Combination of Multiple Membrane Structures - A particle processing device includes a fluid flow path, a multi-filtering portion and a fluid transferring portion. A fluid having particles flows through the fluid flow path. The multi-filtering portion is installed in the fluid flow path. The multi-filtering portion includes at least two membrane structures. The membrane structures have different shaped openings for passing the fluid therethrough respectively. The membrane structures are arranged alone or together in the fluid flow path. The fluid transferring portion transfers the fluid forwardly or backwardly through the fluid flow path such that the fluid passes through the multi-filtering portion. | 03-19-2015 |