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1. 发明授权

US11437013B2 Ultra-thin acoustic lens for subwavelength focusing in megasonic range, and design method therefor 有权
公开(公告)号：US11437013B2
公开(公告)日：2022-09-06
申请号：US16977782
申请日：2018-05-30
申请人： Korea Research Institute of Standard and Science
发明人： Jae-yub Hyun , Yong-tae Kim , Il Doh , Bong-young Ahn , Kyung-min Baik , Se-hwa Kim
IPC分类号： G10K11/30 , A61B8/00 , A61N7/00
摘要： The present invention relates to an ultra-thin acoustic lens for subwavelength focusing in a megasonic range and a design method thereof. More particularly, the present invention relates to a super-oscillatory planar ultra-thin acoustic lens for subwavelength focusing in the megasonic range, which includes a plurality of concentric regions arranged in a concentric shape with reference to the center point, wherein the concentric regions include a plurality acoustic insulation region for insulating incident acoustic waves, and a plurality of transmission regions for transmitting acoustic waves, the acoustic insulation regions and the transmission regions being formed alternatively in a radial direction from the center point so as to focus incident acoustic wave energy onto a subwavelength region. The acoustic lens has flat surfaces on both sides thereof respectively and has a plate shape having a constant thickness, and a layout, which is a radius of each of the plurality of acoustic insulation regions and transmission regions in the concentric region, is determined by a topology optimization reverse design method.

2. 发明申请

US20170014788A1 APPARATUS AND METHOD FOR DISPERSING AND MIXING FLUIDS BY FOCUSED ULTRASOUND AND FLUID FEEDER FOR DISPERSING AND MIXING FLUIDS BY FOCUSED ULTRASOUND 审中-公开
标题翻译：通过聚焦超声波分散和混合流体的聚焦超声波和流体进料器分散和混合流体的装置和方法
公开(公告)号：US20170014788A1
公开(公告)日：2017-01-19
申请号：US14436899
申请日：2014-08-29
申请人： KOREA RESEARCH INSTITUTE OF STANDARD AND SCIENCE
发明人： Min Cheol CHU , Seon Ae HWANGBO , Sae Won YOON
IPC分类号： B01F11/02 , B01F15/00 , B01F3/08
CPC分类号： B01F11/0266 , B01F3/0803 , B01F3/0819 , B01F5/10 , B01F11/0241 , B01F11/0283 , B01F11/0291 , B01F13/1027 , B01F15/00207 , B01F15/00214 , B01F15/0022 , B01F15/00233 , B01F15/00324 , B01F2215/0014 , B01F2215/0031 , B01F2215/0032
摘要： Disclosed is a method for preparing a stable fluid mixture by mixing hydrophilic and hydrophobic substances using ultrasound wherein homogeneous dispersion and mixing are possible so that dispersibility is greatly improved and separation between the hydrophilic and hydrophobic substances is minimized even after a long time.The apparatus for dispersing and mixing fluids by focused ultrasound includes a fluid storage unit for storing a fluid mixture of at least two fluids comprising a hydrophilic substance and a hydrophobic substance, the fluid storage unit comprising a first connector and a second connector connected to a fluid flow path such that the fluid mixture moves through a fluid flow path providing a portion through which the fluid mixture moves, a fluid dispersion unit for focusing ultrasound to a portion of the fluid flow path to disperse fluids contained in the fluid mixture by ultrasound when the fluid mixture moves the portion, and a fluid circulation unit for circulating the fluid mixture such that a portion of the fluid mixture relatively insufficiently dispersed is moved through the first connector from the fluid storage unit to the fluid dispersion unit and the fluid mixture dispersed by the fluid dispersion unit is moved through the second connector to the fluid storage unit.
摘要翻译：用于通过聚焦超声分散和混合流体的装置包括用于存储包含亲水物质和疏水物质的至少两种流体的流体混合物的流体存储单元，所述流体存储单元包括第一连接器和连接到流体的第二连接器流动路径使得流体混合物通过提供流体混合物移动的部分的流体流动路径移动;流体分散单元，用于将超声波聚焦到流体流动路径的一部分，以通过超声波分散流体混合物中包含的流体，流体混合物移动该部分，以及流体循环单元，用于使流体混合物循环使得流体混合物的相对不充分分散的部分从流体存储单元移动到第一连接器到流体分散单元，并且由流体分散单元通过第二连接器移动到流体存储单元。

3. 发明申请

US20220236091A1 THERMAL MASS FLOWMETER 有权
公开(公告)号：US20220236091A1
公开(公告)日：2022-07-28
申请号：US17598059
申请日：2021-02-24
申请人： KOREA RESEARCH INSTITUTE OF STANDARD AND SCIENCE
发明人： Seok Hwan LEE
IPC分类号： G01F1/684 , A61M5/168
摘要： Proposed is a thermal mass flowmeter including: a heating unit configured to heat at least a portion of a medium in a tube from the outside of the tube; a first thermometer disposed at a first position that is a downstream side from the heating unit in a flow direction of the medium; a second thermometer disposed at a second position that is a downstream side further than the first thermometer from the heating unit; and a controller configured to calculate the flow rate of the medium flowing through the tube using a phase difference due to flow of the medium between first measurement data measured by the first thermometer and second measurement data measured by the second thermometer.

4. 发明申请

US20210366458A1 ULTRA-THIN ACOUSTIC LENS FOR SUBWAVELENGTH FOCUSING IN MEGASONIC RANGE, AND DESIGN METHOD THEREFOR 有权
公开(公告)号：US20210366458A1
公开(公告)日：2021-11-25
申请号：US16977782
申请日：2018-05-30
申请人： Korea Research Institute of Standard and Science
发明人： Jae-yub Hyun , Yong-tae Kim , Il Doh , Bong-young Ahn , Kyung-min Baik , Se-hwa Kim
IPC分类号： G10K11/30
摘要： The present invention relates to an ultra-thin acoustic lens for subwavelength focusing in a megasonic range and a design method thereof. More particularly, the present invention relates to a super-oscillatory planar ultra-thin acoustic lens for subwavelength focusing in the megasonic range, which includes a plurality of concentric regions arranged in a concentric shape with reference to the center point, wherein the concentric regions include a plurality acoustic insulation region for insulating incident acoustic waves, and a plurality of transmission regions for transmitting acoustic waves, the acoustic insulation regions and the transmission regions being formed alternatively in a radial direction from the center point so as to focus incident acoustic wave energy onto a subwavelength region. The acoustic lens has flat surfaces on both sides thereof respectively and has a plate shape having a constant thickness, and a layout, which is a radius of each of the plurality of acoustic insulation regions and transmission regions in the concentric region, is determined by a topology optimization reverse design method.

5. 发明授权

US11466978B2 Apparatus and method for measuring the thickness and refractive index of multilayer thin films using angle-resolved spectral interference image according to polarization 有权
$Apparatus and method for measuring the thickness and refractive index of multilayer thin films using angle-resolved spectral interference image according to polarization$
公开(公告)号：US11466978B2
公开(公告)日：2022-10-11
申请号：US16645946
申请日：2019-07-29
申请人： Korea Research Institute of Standard and Science
发明人： Young-sik Ghim , Hyug-gyo Rhee
IPC分类号： G01B9/02 , G01B11/06 , G01B9/02001 , G01N21/45 , G02B27/28
摘要： The present invention relates to an apparatus and a method for measuring a thickness and a refractive index of a multilayer thin film using an angle-resolved spectral interference image according to polarization. More specifically, the present invention relates to an apparatus for measuring a thickness and a refractive index of a multilayer thin film using an angle-resolved spectral interference image according to polarization in an apparatus for measuring a thickness and a refractive index of a measurement object coated with the multilayer thin film, the apparatus including: an illumination optical module having a light source emitting light; a first beam splitter configured to reflect some of the light emitted from the illumination optical module; an objective lens configured to input some of the light reflected from the first beam splitter to the measurement object constituted by the multilayer thin film and reflect the remaining light to a reference plane to form interference light on a back focal plane; a second beam splitter in which interference light where the reflected light incident and reflected to the measurement object interferes with the reflected light reflected from the reference plane is incident, wherein some of the interference light is reflected and the remaining interference light is transmitted; a first angle-resolved spectral image acquiring unit configured to receive interference light reflected from the second beam splitter and first-polarize the interference light located in the back focal plane of the objective lens to acquire a first polarized interference image; and a second angle-resolved spectral image acquiring unit configured to receive interference light transmitted from the second beam splitter and second-polarize the interference light located in the back focal plane of the objective lens to acquire a second polarized interference image.

6. 发明申请

US20220003539A1 APPARATUS AND METHOD FOR MEASURING THE THICKNESS AND REFRACTIVE INDEX OF MULTILAYER THIN FILMS USING ANGLE-RESOLVED SPECTRAL INTERFERENCE IMAGE ACCORDING TO POLARIZATION 有权
公开(公告)号：US20220003539A1
公开(公告)日：2022-01-06
申请号：US16645946
申请日：2019-07-29
申请人： Korea Research Institute of Standard and Science
发明人： Young-sik Ghim , Hyug-gyo Rhee
IPC分类号： G01B11/06 , G02B27/28 , G01N21/45
摘要： The present invention relates to an apparatus and a method for measuring a thickness and a refractive index of a multilayer thin film using an angle-resolved spectral interference image according to polarization. More specifically, the present invention relates to an apparatus for measuring a thickness and a refractive index of a multilayer thin film using an angle-resolved spectral interference image according to polarization in an apparatus for measuring a thickness and a refractive index of a measurement object coated with the multilayer thin film, the apparatus including: an illumination optical module having a light source emitting light; a first beam splitter configured to reflect some of the light emitted from the illumination optical module; an objective lens configured to input some of the light reflected from the first beam splitter to the measurement object constituted by the multilayer thin film and reflect the remaining light to a reference plane to form interference light on a back focal plane; a second beam splitter in which interference light where the reflected light incident and reflected to the measurement object interferes with the reflected light reflected from the reference plane is incident, wherein some of the interference light is reflected and the remaining interference light is transmitted; a first angle-resolved spectral image acquiring unit configured to receive interference light reflected from the second beam splitter and first-polarize the interference light located in the back focal plane of the objective lens to acquire a first polarized interference image; and a second angle-resolved spectral image acquiring unit configured to receive interference light transmitted from the second beam splitter and second-polarize the interference light located in the back focal plane of the objective lens to acquire a second polarized interference image.

7. 发明申请

US20210072149A1 HIGH-SENSITIVE BIOSENSOR CHIP USING HIGH EXTINCTION COEFFICIENT MARKER AND DIELECTRIC SUBSTRATE, MEASUREMENT SYSTEM, AND MEASUREMENT METHOD 有权
公开(公告)号：US20210072149A1
公开(公告)日：2021-03-11
申请号：US16982412
申请日：2019-08-20
申请人： KOREA RESEARCH INSTITUTE OF STANDARD AND SCIENCE
发明人： Hyun-mo CHO , Dong-hyung KIM , Yong-jai CHO , Won CHEGAL
IPC分类号： G01N21/21 , G01N21/64 , G01N33/52
摘要： The present chip relates to a high-sensitive biosensor chip using a high extinction coefficient marker and a dielectric substrate, a measurement system, and a measurement method and, more specifically, to an ellipsometry-based high-sensitive biosensor technology or a measurement method using same, the technology amplifying an elliptically polarized signal by a marker having a high extinction coefficient and a dielectric substrate. The marker and the substrate used in the present chip measure a Brewster's angle shift or an elliptical polarization measurement angle with respect to an ultra-low concentration biological material (e.g. antibody or DNA).

8. 发明申请

US20230040925A1 REFLECTIVE FPM USING A PARABOLIC MIRROR 有权
公开(公告)号：US20230040925A1
公开(公告)日：2023-02-09
申请号：US17790434
申请日：2020-07-21
申请人： KOREA RESEARCH INSTITUTE OF STANDARD AND SCIENCE
发明人： Hee-kyung Ahn , Hwi-hyeong Lee
IPC分类号： G02B21/36 , G02B21/06
摘要： The present disclosure relates to a reflective FPM using a parabolic mirror, and particularly to a reflective FPM using a parabolic mirror including: a first illuminator having a first panel that is provided with numerous LED light sources and composed of a first LED array irradiating a plurality of first LED beams to a measurement object sequentially at different angles through an objective lens; a second illuminator having a second panel that is provided with numerous LED light sources and composed of a second LED array irradiating a plurality of second LED beams to the measurement object sequentially at different angles, following irradiation from the first illuminator; a parabolic mirror reflecting each of second beams generated from the second illuminator, allowing being incident on the measurement object; a lens configured to collect a beam from the measurement object to which the first and second LED beams were irradiated; and a photodetector receiving light from the lens and acquires images for each of a plurality of first and second beams.

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