Patent application number | Description | Published |
20100266846 | METHOD OF PRODUCING METAL NANOPARTICLES CONTINUOUSLY AND METAL NANOPARTICLES PRODUCED THEREBY - Disclosed are a method of producing metal nanoparticles continuously, and metal nanoparticles produced thereby. The method comprises: (a) preparing a metal precursor solution by dissolving a metal precursor in alcohol; (b) continuously putting the metal precursor solution into a reactor having supercritical conditions, thereby producing metal nanoparticles; (c) cooling the solution obtained in step (b); and (d) separating and collecting the metal nanoparticles from the solution obtained in step (c). | 10-21-2010 |
20110253621 | METHOD OF MANUFACTURING HYDROPHILIC MEMBRANE HAVING IMPROVED ANTIFOULING PROPERTY AND HYDROPHILIC MEMBRANE MANUFACTURED BY THE METHOD - A method of manufacturing a hydrophilic membrane and hydrophilic membranes having improved antifouling property using a supercritical fluid or a subcritical fluid. The method involves combining a coating solution from a hydrophilic group-containing monomer, an initiator, a cross-linking agent and a supercritical fluid or subcritical fluid in a high pressure solution vessel and transferring the coating solution to a membrane in a high pressure coating vessel, coating the surfaces and micropores of the membranes through cross-linking polymerization reactions. Non-reacted coating material is returned to the high pressure solution vessel. The membranes are removed from the coating vessel, cleaned and dried. The hydrophilic membrane manufactured by the present invention is excellent in properties of hydrophobic membranes such as thermal stability, chemical stability and mechanical strength, and surfaces and micropores of the membranes are uniformly coated. | 10-20-2011 |
20110303269 | FABRICATION METHOD FOR QUANTUM DOT SENSITIZED SOLAR CELL USING SUPERCRITICAL FLUID OR SUBCRITICAL FLUID AND QUATUM DOT SENSITIZED SOLAR CELL PREPARED THEREBY - A method of fabricating a transparent electrode for use in a quantum dot sensitized solar cell, and a quantum dot sensitized solar cell fabricated according to the method are provided. According to the fabrication method, (S1) quantum dot precursor is introduced into a high pressure storage vessel and a quantum dot precursor is dissolved using subcritical fluid or supercritical fluid; (S2) the quantum dot precursor fluid prepared at (S1) is transported to contact with a conductive thin layer substrate comprised of a metal oxide placed in a high pressure reaction vessel, thereby causing the quantum dot precursor to be adsorbed in the metal oxide thin layer; (S3) non-adsorbed quantum dot precursor fluid of (S2) is transported and thus recovered to the high pressure storage vessel together with the subcritical fluid or supercritical fluid; and (S4) the subcritical fluid or supercritical fluid is removed from the high pressure reaction vessel, and the quantum dot precursor, adsorbed at (S2), is reacted with a second element which constitutes the quantum dot or a compound comprising the second element. | 12-15-2011 |
Patent application number | Description | Published |
20140022554 | METHOD AND APPARATUS FOR GENERATING TOMOGRAPHY IMAGES - A method and apparatus are provided to generate tomography images that performs the method. The apparatus and method are configured to determine a basis pattern from modulated phases of incident rays from a spatial light modulator according to a pattern of arranged pixels. The apparatus and method are further configured to perform spatial shift modulation shifting an arrangement of the pixels vertically or horizontally with respect to the basis pattern to obtain shift patterns of the basis pattern. The apparatus and method are configured to generate tomography images for the basis pattern and the shift patterns using spectrum signals of rays obtained from the incident rays passing through the spatial light modulator and entering a subject. The apparatus and method are configured to select a pattern that generates a clearest tomography image of the subject based on the generated tomography images. | 01-23-2014 |
20140023255 | APPARATUS AND METHOD FOR GENERATING TOMOGRAPHY IMAGE - A method of generating a tomography image includes performing a depth scan on one spot on a surface of a subject using modulated light received from a spatial light modulator, obtaining depth scan data for each of a plurality of patterns of the spatial light modulator by repeating the depth scan on the spot for each of the plurality of patterns, forming a matrix R representing a vector space based on a correlation of signal values of the depth scan data for each of the plurality of patterns, performing a matrix decomposition on the matrix R, dividing the vector space into a noise subspace and a signal subspace based on a matrix obtained by the matrix decomposition, constructing a vector space based on either one or both of components of the signal subspace and components of the noise subspace, and generating a tomography image based on the reconstructed vector space. | 01-23-2014 |
20140055789 | TOMOGRAPHIC IMAGE GENERATION APPARATUS HAVING MODULATION AND CORRECTION DEVICE AND METHOD OF OPERATING THE SAME - A tomographic image generation apparatus includes a light source unit configured to emit light to be used for scanning an object; an optical control unit configured to control a direction of propagation of light; an optical coupler configured to divide and combine incident light; a plurality of optical systems optically connected to the optical coupler; and a modulation and correction device configured to modulate and correct the light to be used for scanning the object. The modulation and correction device may be disposed between the optical control unit and the optical coupler, or may be included in an optical system that irradiates light onto the object among the plurality of optical systems. The modulation and correction device may only modulate light that is reflected to the object. | 02-27-2014 |
20140146324 | APPARATUS AND METHOD FOR GENERATING TOMOGRAPHY IMAGES - Provided is an apparatus and method for generating tomography images, the apparatus including a detection unit configured to modulate each of incident beams into at least two basic modulated incident lights on the basis of at least a basic modulation parameter and into a target modulated incident light on the basis of a target modulation parameter, and to detect at least two basic interference signals and a target interference signal of an object; and an imaging unit configured to analyze the at least two basic interference signals to output a set target modulation parameter, to process the target interference signal as a target image of the object, and to output the target image. | 05-29-2014 |
Patent application number | Description | Published |
20150045661 | METHOD OF PROCESSING OPTICAL COHERENCE TOMOGRAPHIC IMAGE AND APPARATUS FOR PERFORMING THE METHOD - Provided are a method and an apparatus for processing an optical coherence tomographic image. The method of processing an optical coherence tomographic image includes obtaining an optical coherence tomographic image by irradiating light to an object; generating a color space map based on the obtained optical coherence tomographic image; normalizing data of the obtained optical coherence tomographic image; realigning the normalized data of the optical coherence tomographic image; performing a tone mapping on the realigned data of the optical coherence tomographic image; and generating a color image by mapping the data of the optical coherence tomographic image on which the tone mapping is performed, by using the generated color space map. | 02-12-2015 |
20150094566 | METHOD OF CONTROLLING ROUTE OF ANGIOCATHETER USING OPTICAL COHERENCE TOMOGRAPHY AND ANGIOGRAPHY APPARATUS FOR PERFORMING THE SAME - Provided is a method of controlling an angiocatheter route using OCT. The method includes inserting a catheter into a blood vessel of a test object, injecting a dye into the blood vessel and capturing an X-ray image, acquiring a three-dimensional OCT image of a vicinity around the catheter, determining a position of the catheter within the blood vessel using the three-dimensional OCT image and the X-ray image, and displaying the position of the catheter on the X-ray image. | 04-02-2015 |
20150094572 | MODULATOR ARRAYS, AND MODULATION DEVICES AND MEDICAL IMAGING APPARATUSES INCLUDING THE SAME - The modulator array includes a first optical modulator, which changes a shape a wavefront of an incident light into first wavefronts to modulate the incident light which passes through the first optical modulator; and a second optical modulator that changes a shape at least one of the first wavefronts into second wavefronts to modulate the light output from the first optical modulator. | 04-02-2015 |
20150121276 | METHOD OF DISPLAYING MULTI MEDICAL IMAGE AND MEDICAL IMAGE EQUIPMENT FOR PERFORMING THE SAME - A method of displaying a multi-medical image is provided. The method includes: displaying a multi-medical image user interface including an optical coherence tomography (OCT) image of a target region and at least one other type of medical image of the target region; receiving a first command for storing a first OCT image; storing the first OCT image after receiving the first command; marking a first position corresponding to the stored first OCT image on the at least one other type of medical image displayed on the multi-medical image user interface; and displaying the stored first OCT image on the multi-medical image user interface. | 04-30-2015 |
20150131104 | APPARATUS AND METHOD FOR GENERATING TOMOGRAPHY IMAGE - Provided are a tomography image generating method and an apparatus for generating a tomography image. The method of generating a tomography image includes, in response to a depth scan operation performed on an object, generating a candidate tomography image by using an interference signal acquired by the performed depth scan operation, determining a pixel pattern by using the generated candidate tomography image; and when the depth scan operation performed on the object is completed, generating a final tomography image of the object by using a finally determined pixel pattern. The generating the candidate tomography image and the determining are parallel processed by at least one processor during the depth scan operation being repeatedly performed. | 05-14-2015 |