baber/WOPTO huggingface dataset:
Patent KR-20200052569-A (KR)
Title: Solar connection board
Inventor: CHEON MIN WOO
IPC: H02G3/18
Filed: 2018-11-07
Abstract: The present invention relates to a photovolatic generator including a block-type combiner for facilitating the connection between a heat radiation plate and a part and having a monitoring function. The present invention relates to a technology of detachably connecting a sensor, which is to monitor and sense a power situation of a combiner, with a circuit breaker, and of including a heat radiation plate to easily connect the circuit breaker with the diode, to radiate heat generated from the diode while receiving power output from the diode and outputting the power to an inverter. Components are as follows. There are provided a remote monitoring system of a solar panel and a simple combiner to facilitate connection between parts, which includes an introduction terminal (3), into which power is introduced from a solar panel, an output terminal (4) to output the power to a circuit breaker (20), and a sensor (10) to monitor the power situation produced from the solar panel. An output terminal of the sensor (10) is connected to an introduction part of the diode (30). The introduction part of the diode (30) is detachably connected to the sensor (10). An output part of the diode (30) is connected to a heat radiation plate (40) to radiate the heat generate from the diode (30). The heat radiation plate (40) is connected to a circuit breaker (50) having a larger capacity to output the power input to the heat radiation plate (40) to the circuit breaker (50).
Patent KR-20200057434-A (KR)
Inventor: JANG WOO YOUNG
IPC: C02F1/00
Filed: 2018-11-16
Abstract: A pet bathing device comprising ionized water mixing unit according to the present invention comprises a bath device main body in which a receiving space for receiving pets and bathing water are formed; a raw water supplying unit for supplying raw water; an ionized water generation unit comprising a positive electrode, a negative electrode, and an ion separation partition for separating the positive electrode and the negative electrode, and generating acid water and alkali water by receiving the raw water and ionizing the same; and an ionized water mixing unit for mixing the acid water and the alkali water generated by the ionized water generation unit at a predetermined rate and supplying bathing water of a target pH to the bathing device main body. According to the present invention, skin disease of the pets can be effectively prevented.
Patent KR-20200058826-A (KR)
Inventor: SANG HYUK SON
IPC: F24F8/80
Filed: 2018-11-20
Abstract: The present invention provides an air cleaner which maximizes an air volume and reduces noise. According to the present invention, the air cleaner comprises: a fan to suck air in an axial direction and discharge air between the axial direction and a radial direction; a fan motor to rotate the fan; and an air guide device having a cylindrical outer wall, an inner wall arranged at the center of the outer wall to form a space into which the fan motor is inserted, and an annular air flow path being formed between the inner circumferential surface of the outer wall and the outer circumferential surface of the inner wall and allowing air discharged by the fan to flow therethrough. The air guide device further includes a plurality of guide ribs separated from each other to be arranged on the annular air flow path in a circumferential direction. Each of the plurality of guide ribs has a concave positive pressure surface towards which air flows and a convex negative pressure surface which is opposite to the positive pressure surface and is formed in a bent plate shape. A plurality of vertically long flow guide protrusions are separated from each other in the radial direction to be formed on the negative pressure surface. Each of the plurality of guide protrusions is provided with a cutoff unit connecting the lower end thereof and one side close to the outer wall. The cutoff unit forms a cutoff hole penetrated in a rotating direction of the fan between the inner circumferential surface of the outer wall and the cutoff unit.
Patent KR-20190064462-A (KR)
Title: Cathode Having Double Active Material Layers and Lithium Secondary Battery Comprising the Same
Inventor: KIM MIN KYUNG
IPC: H01M4/13
Filed: 2018-11-26
Abstract: The present invention provides a positive electrode including double active mater layers, capable of increasing energy density, and a lithium secondary battery including the same. According to the present invention, the positive electrode including double active mater layers comprises: a current collector; a first positive electrode active material layer disposed on at least one surface of the current collector; and a second positive electrode active material layer disposed on the first positive active material layer. The first and second positive electrode active mater layers independently comprise an active material, a binder, and a conductive material wherein the active materials included in the first and second positive active material layers are identical and are a layered lithium metal oxide including 70 mol% or more of nickel (Ni). The content of the binder included in the first positive active material layer is greater than that of the second positive active material layer, and the content of the conductive material included in the first positive active material layer is equal to or more than that of the second positive active material layer.
Patent KR-20200065494-A (KR)
Inventor: YOU SEONG KIL
IPC: C01B15/04
Filed: 2018-11-30
Abstract: The present invention relates to a method for manufacturing air purifier pellets, which comprises: a powder manufacturing step of mixing peroxides and water-soluble iron compounds to manufacture an air purifier powder; a kneading step of mixing the air purifier powder with a solvent containing water to knead the mixture, wherein the solvent includes a decomposition prevention material for preventing the peroxides from being decomposed by the water; and a pellet manufacturing step of using the paste generated in the kneading step to manufacture the air purifier pellets. According to the present invention, the method uses the decomposition prevention material to prevent the peroxides from being decomposed even if the peroxides come in contact with the water during an air purifier pellet manufacturing process, thereby being safe and manufacturing the air purifier pellet at a low defective ratio.
Patent KR-20200071823-A (KR)
Title: Method for forming a color stereoscopic mark on a tire
Inventor: KIM BYUNG LIP
IPC: B60C13/00
Filed: 2018-11-30
Abstract: According to the present invention, a method for forming a color stereoscopic mark on a tire comprises the steps of: manufacturing a mold on which a stereoscopic mark to be attached to a side wall of the tire is formed; molding the stereoscopic mark by injecting urethane including color ink into the mold; and attaching the stereoscopic mark to the side wall by using an adhesive. According to the present invention, the color stereoscopic mark can be formed on the side wall of the tire. Moreover, transparent urethane is used to realize various colors, and 3D printing is utilized to form various shapes.
Patent KR-20200066992-A (KR)
Title: Multi-wavelength light emitting device comprising strain-appled layer
Inventor: JEON SEONG RAN
IPC: H01L33/00
Filed: 2018-12-03
Abstract: The present invention relates to a multi-wavelength light emitting element including a strain-applied layer which outputs light of various wavelengths in accordance with intensity of a current applied to one light emitting element. According to the present invention, the multi-wavelength light emitting element has a structure in which the strain-applied layer is interposed between an active layer of a multi-quantum well structure and a second semiconductor layer. The strain-applied layer is formed on an uppermost quantum well layer of the active layer. Since an indium composition ratio of the strain-applied layer is greater than the composition ratio of an uppermost quantum barrier layer, a compressive strain is generated at the interface with the quantum barrier layer, thereby outputting light of various wavelengths in accordance with the intensity of the applied current.
Patent KR-20200068872-A (KR)
Inventor: AHN JAE HYUNG
IPC: H01L21/66
Filed: 2018-12-06
Abstract: Provided is a detecting apparatus for a semiconductor pattern. The detecting apparatus for a semiconductor pattern comprises: a stage on which a wafer with a semiconductor pattern is located, and which is extended in a first direction and a second direction vertical to the first direction; an electron output unit which irradiates a first electron to the semiconductor pattern; an electrode which induces an electric charge to a surface of the semiconductor pattern; a detection unit which detects a second electron generated from the semiconductor pattern; an image acquisition unit which acquires a plurality of first images by using the second electron detected by the detection unit; and a control unit which repeatedly applies a first voltage and a second voltage different from the first voltage in turn to the electrode, and generates a second image by combining the plurality of first images. The plurality of first images are acquired only when the first voltage is applied to the electrode. The detecting apparatus for a semiconductor pattern can efficiently detect a lower pattern of the semiconductor pattern.
Patent KR-20200070957-A (KR)
Inventor: KIM CHUL MIN
IPC: A45C11/00
Filed: 2018-12-10
Abstract: The present invention relates to a calling card type portable earphone case, for storing earphones in a thin case. The present invention is characterized by thinning the thickness of the case and attaching anti-slip rubber to the bottom of a body, thereby providing excellent portability and convenience.
Patent KR-20200071294-A (KR)
Inventor: LEE IL JAE
IPC: B41F13/20
Filed: 2018-12-11
Abstract: According to an embodiment of the present invention, a jig for gravure printing on curved glass, which allows the curved glass to be seated thereon and comes in contact with a transfer roller printing a transferred printing material on a surface of the curved glass, includes: a seating portion recessed for the curved glass to be seated thereon; a through-hole provided in front of the seating portion as viewed in the longitudinal direction of the seating portion, and communicating with the front end of the seating portion; and a first recessed portion provided at the rear of the seating portion as viewed in the longitudinal direction of the seating portion, and having one end connected to the rear end of the seating portion and the bottom surface higher than the bottom surface of the seating portion. The jig for gravure printing on curved glass has a structure for suppressing generation of bubble and improving printing quality.
Patent KR-20200071590-A (KR)
Inventor: KIM IN KI
IPC: G02B27/42
Filed: 2018-12-11
Abstract: The present invention relates to a diffractive optical element, to a manufacturing method thereof, and to an optical device including the same. According to one aspect of the present invention, the diffractive optical element comprises a substrate and a group of structures forming a geometric metasurface on the substrate. The substrate includes a plurality of continuous unit cells, and the group of structures includes a plurality of nanostructures arranged at predetermined intervals and angles. One nanostructure is disposed in one unit cell, and a beam incident through a light source is reflected and transmitted to the nanostructure to control the intensity and phase of the beam, so that the diffractive optical element can spray the beam in the full space of 360 degrees.
Patent KR-20190077223-A (KR)
Inventor: JIKO NORIHIRO
IPC: C08J7/12
Filed: 2018-12-14
Abstract: Provided are a water repellent transparent film which has excellent water repellence and transparence and has no water repellence degradation by film separation, a manufacturing method of water repellent transparent films which can produce the water repellent transparent film simply and efficiently, a display which is protected from water and has an excellent visibility, and an optical adjustment film. According to one embodiment of the present invention, the water repellent transparent film has a water repellent processing executed in at least part of a surface, and a surface layer unit of the water repellent processing area contains carbons, fluorine, and oxygen. In a distribution curve of fluorine atom content measured by X-ray photoelectron spectroscopy in the depth direction of the surface layer unit, fluorine atom content indicates a maximum value in the surface and gradually decreases with the increase in the depth. Other embodiment of the present invention is a display having the water repellent transparent film. Another embodiment of the present invention is an optical adjustment film using the water repellent transparent film on an outer layer.
Patent KR-20200037719-A (KR)
Title: Cooking apparatus
Inventor: HYOHEE KIM
IPC: F24C15/10
Filed: 2018-12-14
Abstract: An embodiment of the present invention relates to a cooking appliance which has a structure in which a plurality of different cooking modules can be selectively mounted on the upper surface of the cooking appliance in a freely arranged structure. The cooking appliance of the present invention includes: an oven unit; a cooktop unit; and an exhaust unit.
Patent KR-20200076227-A (KR)
Title: Apparatus for Status Monitoring Onshore Plant Facility Capable of Remote Monitoring
Inventor: KIM TAE OK
IPC: G08C17/02
Filed: 2018-12-19
Abstract: The present invention relates to an apparatus for monitoring a status of an onshore plant facility capable of remote monitoring support, which can be reduced in installation costs and operating costs by connecting a monitoring apparatus and various sensors via a network and allowing a monitoring and diagnosing service in a remote place in a system for monitoring a status of an onshore plant facility. The apparatus of the present invention comprises: an integrated signal processing module configured in a monitoring apparatus to receive an output signal of a sensor installed in a plant facility to quantitatively calculate required status information in a monitoring facility through simultaneous signal processing of various channels as well as independent signal processing for each channel, thereby providing a main module and a relay module with information; and a remote monitoring module equipped with a remote monitoring SW, having a networking module for supporting a secure TCP/IP protocol, and supporting information provision for monitoring or diagnosing a status of a lower plant facility in an upper management institution through intranet or Internet connection.
Patent KR-20200076450-A (KR)
Title: Bacteria having increased glycocalyx and method for cultivating the same
Inventor: LEE SANG SEOB
IPC: C12P19/04
Filed: 2018-12-19
Abstract: The present invention relates to a method of culturing a strain with increased formation of glycocalyx. More particularly, the present invention relates to a method of culturing a Rhodobacter capsulatus strain, a Rhodobacter blasticus strain, or a mixed strain thereof using a medium where malic acid is used as a carbon source.
Patent KR-20190082101-A (KR)
Inventor: KIM IN SU
IPC: B25J19/02
Filed: 2018-12-20
Abstract: According to one embodiment, a driving method of a spherical moving device comprises: a step of measuring an acceleration value of a driving body of the spherical moving device; a step of recognizing a gesture corresponding to an external force applied to a sphere on the basis of the driving force and the acceleration value of the driving body; a step of accumulating and collecting a gesture recognized during driving including stopping and moving of the driving body, and analyzing a correlation between a driving state of the driving body and the gesture by the driving force; and a step of controlling driving of the driving body on the basis of the analyzed driving-gesture correlation.
Patent KR-20200079130-A (KR)
Inventor: RYU HO JIN
IPC: B32B27/20
Filed: 2018-12-24
Abstract: In a coating method for forming a coating layer for bonding a sheet and a composite layer when the composite layer is formed on various kinds of sheets, such as paper, non-woven fabric, fabric, texture, plastic, film, and the like, disclosed is a coating method for forming a coating layer of a network structure as a coating method for preparing a material requiring ventilation or a material not requiring ventilation in accordance with a material field. With respect to a coating method for forming a resin coating layer on one surface of a substrate, the present invention provides a coating method in which a coating layer is formed by i) performing extrusion or hot melting of a resin on one surface of a substrate in a T-die method or ii) extruding the resin in the T-die method to form a sheet shape and laminate the sheet on the substrate, wherein an additive for forming macropores in the resin at an extrusion temperature is added to the resin so that a coating layer of a network structure is formed.
Patent KR-20190000871-A (KR)
Inventor: JEON SE JWONG
IPC: B65G47/16
Filed: 2018-12-26
Abstract: The present invention provides a sludge supply device for a sludge dewatering apparatus which removes moisture from sludge, comprising: a transfer unit for placing the sludge falling by gravity in a sludge supply unit and moving the sludge to flow into a sludge dewatering unit; and a sludge spread dispersing unit disposed between the sludge supply unit and the transfer unit, colliding with the sludge falling in the form of a large lump from the sludge supply unit to crush and spread the sludge and to drop the sludge by gravity, dispersing and placing the spread sludge evenly, and disposed on an upper portion of the transfer unit. Therefore, the device makes the size of the sludge supplied from the outside small, so the sludge can be easily drawn into the sludge dewatering device without being caught.
Patent KR-20200080528-A (KR)
Title: Method for operating electronic cash
Inventor: LEE YOUN HO
IPC: G06Q20/06
Filed: 2018-12-27
Abstract: The present invention relates to a method of operating electronic money which can more conveniently operate electronic money while reducing infrastructure construction costs by generating transaction details for electronic money based on a blockchain. According to an embodiment of the present invention, a method of operating electronic money enables operation of electronic money without building a separate infrastructure by creating transaction details for electronic money based on a blockchain.
Patent KR-20200083731-A (KR)
Title: Drug releasing carbon fiber stent and manufacturing method for the same
Inventor: CHO CHANG HYUN
IPC: A61F2/90
Filed: 2018-12-28
Abstract: The present invention relates to a stent made of a carbon fiber material having size-controlled pores on the surface thereof so as to dip a drug for release. The stent has a hollow tubular shape, and a mesh structure body is composed of carbon fibers having pores formed on the surface thereof. The size of the pores is adjusted on the basis of one among the type, amount, and release speed of a drug to be dipped. According to the stent of the present invention, carbon fibers having multiple pores formed on the surface thereof are used as a basic material, and thus the size of pores is adjusted. Accordingly, a drug release stent capable of adjusting the release speed of a drug dipped in pores on the surface thereof can be provided. In addition, the size of pores is controlled, so that the dipping amount of a drug can be maximized and the drug release speed can be controlled.
Patent KR-20180017076-A (KR)
Title: 스위칭 컨버터 및 그 제어 회로, 그것을 사용한 조명 장치, 전자 기기
Inventor: SASAKI YOSHIKAZU
IPC: H02M1/08
Filed: 2016-06-01
Abstract: CS 단자는, 구동 전류 I LED  또는 인덕터 전류 I L 의 경로 상에 설치된 검출 저항 R CS 의 전압 강하에 따른 검출 전압 V CS 를 받는다.  ADIM 단자는, 구동 전류 I LED 의 목표량을 지시하는 아날로그 조광 전압 V ADIM 을 받는다.  계수 회로(220)는 검출 전압 V CS , 아날로그 조광 전압 V ADIM  중 적어도 한쪽을 가변의 계수배로 하여, 전류 검출 신호 I S  및 전류 설정 신호 I REF 를 생성한다.  펄스 변조기(201)는 전류 검출 신호 I S 가 전류 설정 신호 I REF 에 근접하도록, 듀티비가 조절되는 구동 펄스 S DRV 를 생성한다.  드라이버(208)는 구동 펄스 S DRV 에 따라서 스위칭 트랜지스터 M1을 구동한다.
Patent KR-20180022772-A (KR)
Title: 커피 백
Inventor: YONEYAMA MASAYOSHI
IPC: B65D85/808
Filed: 2016-06-24
Abstract: 커피 백(1)은 입도가 #16 메쉬 온 0.5% 이상 80% 이하인 커피가루(13)를 수용하고, 백 본체(10)는 170 cc/㎠·sec 이상 650 cc/㎠·sec 이하인 통기성을 갖추고 있다.
Patent KR-20180029028-A (KR)
Title: 폴리머 용융물의 신장 점도를 결정하기 위한 측정 노즐
Inventor: MIETHLINGER JURGEN
IPC: G01N11/08
Filed: 2016-06-07
Abstract: 본 발명은 직사각형의 단면을 가지며 각기 일정 단면을 갖는 유입부(1)와 배출부(2) 사이에 전이부(3)를 갖는 유동 채널(flow channel)을 포함하며, 전이부는 두 개의 서로 대향하는 채널 벽들(6, 7)사이에서 유동 방향(8)으로 쌍곡선으로 테이퍼지는, 공정 중 폴리머 용융물의 신장 점도를 결정하기 위한 측정 노즐에 관한 것이다. 유리한 측정 조건을 제공하기 위해, 전이부(3)는 두 개의 쌍곡선 채널 벽들(6) 사이의 두 개의 채널 벽들(7)의 상호 거리가 유동의 방향(8)으로 지속적으로 감소하는 유입-측 존(4)과, 유입-측 존에 인접하고 쌍으로 서로 대향하여 배치된 두 채널 벽들(6, 7)이 서로 평행하여 연장하는 배출-측 존(5)을 포함하며, 한편 그들 사이에 배열된 두 개의 채널 벽들(7)은 유동 방향(8)으로 쌍곡선으로 수렴하도록 제안된다.
Patent KR-20180022837-A (KR)
Title: 감소된 스위칭 전류를 갖는 수직 자기 메모리
Inventor: OGUZ KAAN
IPC: H01L43/10
Filed: 2015-06-26
Abstract: 실시예는 장치를 포함하며, 이 장치는, 기판; 및 고정 층과 제1 및 제2 자유 층들을 포함하는 수직 자기 터널 접합(pMTJ)을 포함하고; (a) 제1 자유 층은 코발트(Co), 철(Fe) 및 붕소(B)를 포함하고, (b) 제2 자유 층은 에피택셜이고 망간(Mn) 및 갈륨(Ga)을 포함한다.  다른 실시예들이 본 명세서에 설명된다.
Patent KR-20180035223-A (KR)
Title: 양자 난수 생성기들
Inventor: NORDHOLT JANE ELIZABETH
IPC: H04L9/08
Filed: 2016-07-22
Abstract: 난수 생성기들은 열적 광원 및 양자-광 강도 변동들을 기초로 난수들을 생성하도록 구성된 검출기를 포함한다. 광 플럭스가 검출되고, 광 강도 및 지연된 광 강도에 비례하는 신호들이 결합된다. 결합된 신호들은 전기 신호들 또는 광 신호들일 수 있고, 광원은 미리 결정된 지연 시간 범위에 걸친 낮은 결맞음을 갖도록 선택된다. 평형 광 검출기들은 공통 모드 잡음을 감소시키기 위해 이용될 수 있으며, 일부 예들에서, 광 플럭스는 한 쌍의 평형 검출기들 중 하나에만 유도된다.
Patent KR-20180039076-A (KR)
Title: 전자기 에너지 전달에 의한 구동 시스템
Inventor: BORGHI DAVIDE
IPC: H02K19/12
Filed: 2016-09-19
Abstract: 본 발명은, 전자기 에너지 전달에 의한 구동 시스템(1)에 관한 것이다. 이 시스템(1)은, 가변 전류가 공급될 때, 기본파(8)와 적어도 하나의 또 다른 고조파(9)를 갖는 자기장을 발생하도록 구성된 적어도 하나의 권선을 각각 갖는 복수의 고정자(4)로 이루어진 트랙(3)과, 상기 트랙(3)을 따라 본 가동소자(2)를 구동하기 위해 상기 기본파(8)를 수신하도록 구성된 1차 자기소자(5)로 이루어진 가동소자(2)를 구비한다. 이 시스템(1)은, 상기 가동소자(2)가, 상기 가동소자(2) 위에서 전력을 생성하기 위해서, 상기 적어도 하나의 또 다른 고조파(9)를 수신하도록 구성된 2차 자기소자(6a-6c)를 더 구비하는 것을 특징으로 한다. 또한, 본 발명은, 선형 분수 슬롯 동기식 기계와 회전형 동기식 기계에 관한 것이다.
Patent KR-20180030202-A (KR)
Title: 헤테로시클릭 화합물 및 전기 광학 또는 광전자 디바이스에서의 이의 용도
Inventor: KATHIRGAMANATHAN POOPATHY
IPC: C07D409/14
Filed: 2016-07-19
Abstract: 본 발명에서는, 높은 정공 이동도 및/또는 높은 유리 전이 온도를 유리한 HOMO, LUMO 및 삼중항 준위와 함께 나타내는 화합물을 제공하며 이는 2-(4'-디페닐아미노)페닐-8-(1'-티안트레닐)-디벤조티오펜 및 4-(1-티안트레닐)-비스(트리페닐아민)이다. 상기 화합물들은 예를 들어 OLED 디바이스에서의 정공 수송층에 대해 사용될 수 있다.
Patent KR-20180042344-A (KR)
Title: 예상 주행 의도에 관한 정보를 제공하기 위한 장치, 방법 및 컴퓨터 프로그램
Inventor: BUBURUZAN TEODOR
IPC: G08G1/0962
Filed: 2016-07-28
Abstract: 예시적인 실시예는 예상 주행 의도에 관한 정보를 제공하기 위한 차량(100)용 장치(10), 주행 추천을 결정하기 위한 차량(200a)용 장치(20), 예상 주행 의도에 관한 정보를 제공하기 위한 차량용 방법, 주행 추천을 결정하기 위한 차량용 방법 및 컴퓨터 프로그램에 관한 것이다.  상기 장치(10)는 상기 차량(100)의 예상 궤도에 관한 정보를 결정하도록 설계된 주행 분석 모듈(12)을 포함한다.  상기 장치(10)는 또한 상기 차량(100)의 상기 예상 궤도에 관한 정보에 기초하여 상기 차량(100)의 예상 주행 의도에 관한 정보를 결정하도록 설계된 제어 모듈(14)을 포함한다.  상기 장치(10)는 또한 하나 이상의 차량 외부 엔티티(200)에 대해 상기 예상 주행 의도에 관한 정보를 이용 가능하게 하도록 설계된 인터페이스(16)를 포함한다.
Patent KR-20180055863-A (KR)
Title: 흡연 물품의 정리된 그룹을 이송하고 형성하는 장치 및 방법
Inventor: DRAGHETTI FIORENZO
IPC: B65B19/04
Filed: 2016-09-16
Abstract: 2개의 서로 다른 흡연 물품(12a, 12b)의 정리된 그룹을 이송하고 형성하는 장치는, 각 흡연 물품(12a, 12b)을 수용하고, 전체 수량 N의 흡연 물품(12a, 12b)을 포함하기 적합한, 이동 수단(16)의 드로어들(50) 속으로 흡연 물품(12a, 12b)의 상기 정리된 그룹을 도입하도록 이루어진 도입 유닛(18) 쪽으로 개별적으로 상기 흡연 물품(12a, 12b)의 정리된 그룹을 이송하는 이송 유닛(14)을 포함한다.
Patent KR-20180116223-A (KR)
Title: 희유 세포 및 무세포 분자를 위한 질량 태그 분석
Inventor: BAIRD ZANE
IPC: G01N33/50
Filed: 2016-09-24
Abstract: 본 발명은 일반적으로 희유 세포 및 무세포 분자를 위한 질량 태그 분석(mass tag analysis)에 관한 것이다.  특정 실시양태에서, 본 발명은, 적어도 1개의 세공을 갖는 본질적으로 비-흡수성인 멤브레인, 본질적으로 비-흡수성인 멤브레인과 작동적으로 연관된 마이크로웰(microwell), 및 전기장 발생기를 포함하는 장치를 제공한다.  장치는, 전기장 발생기에 의해 생성된 전기장이 마이크로웰 내 샘플과 작동적으로 상호작용하고, 본질적으로 비-흡수성인 멤브레인 내 적어도 1개의 세공을 통해 샘플의 액적을 배출시키도록 구성될 수 있다.  특정 실시양태에서, 본 발명의 장치는 불균질 샘플로부터 표적 분석물을, 예컨대 생물학적 샘플로부터 희유 표적 분석물 (예를 들어, 희유 세포)을 검출 및 임의로 정량화하는데 사용된다.