baber/WOPTO huggingface dataset:
Patent KR-20030076217-A (KR)
IPC: A61P1/04
Filed: 2000-12-22
Abstract: 본 발명에는 개체에서 병원체에 대한 면역 반응을 유도하는 방법이 개시되어 있다.  또한, 생산되지 않거나 낮은 농도로 생산되거나 또는 기능이 없거나 부분적으로만 기능하는 단백질의 생산을 초래하는 유전자 결함과 관련된 질환에 걸리기 쉽거나 그 질환을 앓고 있는 개체를 치료하는 방법도 개시되어 있다.  또한, 개체에 단백질을 전달하는 방법도 개시되어 있다.  또한, 코스미드를 포함하는 제약 조성물도 개시되어 있다.
Patent KR-20020084112-A (KR)
Title: 케이블 보호 스프링 및 케이블 보호 스프링의 고정방법
IPC: H02G11/00
Filed: 2001-02-08
Abstract: 본 발명은 고정용의 금속물이나 공구를 필요로 하지 않고, 원터치로 구조물에 부착고정 가능한 케이블 보호 스프링을 제공하는 것을 목적으로 한다. 
     상기 목적을 달성하기 위해 본 발명은 코일 스프링(5)의 내부에 배선 케이블을 삽입하고, 배선케이블을 기계적 손상으로부터 보호하는 케이블 보호 스프링에 있어서 코일 스프링(5)에 다른 부분 보다도 지름이 큰 부분(5a)을 설치한 것이다.
Patent KR-20020074507-A (KR)
Title: 휴대단말기
IPC: G06F1/16
Filed: 2001-02-07
Abstract: 필기동작을 용이하게 할 수 있고, 또한 종래의 휴대전화에 부가가치를 줌으로써 전자적인 인증작업이나 문자입력을 가능하게 한 휴대전화를 제공한다. 
     정보를 통신하는 휴대전화(1)와, 상기 휴대단말기(1)의 본체의 전부 또는 일부의 동작을 검출하는 동작검출수단으로서, CCD(40), 카메라(50) 등을 구비하였다.
Patent KR-20020079855-A (KR)
Title: 액상종균 접종장치
IPC: A01G1/04
Filed: 2001-12-03
Abstract: 본 발명은 재배용기(8)를 가로세로로 복수 정렬하여 수납한 컨테이너(9)를 반입측으로부터 공급하고, 또한 상기 재배용기(8)를 간헐 이송하면서 반출측으로 컨테이너(9)를 반송하는 반송기구(2)와, 상기 반송기구(2)에 의해 간헐 이송된 상기 컨테이너(9)내의 재배용기(8)의 덮개(7)를 가로 1열 단위로 개폐 작동하고, 상기 가로 1열 단위를 1조로 하여 소정의 간격을 두고 복수열로 설치된 덮개개폐기구(12)와, 상기 복수열의 덮개개폐기구(12)에 의해 덮개(7)가 개방된 각각의 가로 1열 단위의 재배용기(8)에 대해서 소정량의 액상종균(B)을 상기 재배용기(8)내에 각각 공급하는 복수열로 설치된 액상종균 공급기구(13)를 구비하여 형성됨으로써, 접종작업효율을 높이면서 재배용기(8)에 공급하는 액상종균(B)의 공급량을 거의 일정하게 유지하면서 안정된 종균 충전을 실시할 수 있는 액상종균 접종장치를 제공하는 것을 특징으로 한다.
Patent KR-20020093842-A (KR)
IPC: A61B17/58
Filed: 2001-03-13
Abstract: A multi-axial bone fixation implant includes an elongated member, one or more bone anchor assemblies, and stabilizer members fitted within the elongated member. A bolt having a bone-threaded end and a machine-threaded end and an enlarged medial portion is also provided. The bolt is anchored into a bone, and its machine-threaded end passes through the elongated member and the stabilizer, and is engaged by a coupled washer and nut. The washer includes an oblong aperture, and the nut includes a projecting sleeve. The sleeve is inserted into the washer and expanded, and the washer retains the sleeve without impairing relative rotatability or translatability of the nut and washer. When locked by the nut and washer, the enlarged portion of the bolt is forced against the stabilizer, which locks against the elongated member. The elongated member can be fixed with respect to the anchor at an infinite number of multi-axial angles.
Patent KR-20030045669-A (KR)
Title: Cube corner retroreflective article with enhanced pigmentation
IPC: B32B7/02
Filed: 2001-03-07
Abstract: Retroreflective sheeting includes a transparent film, a pigmented layer having pigmented indicia thereon, and a retroreflective cube layer. The cube layer includes a number of cube corner elements bounded by at least two sets of intersecting grooves. A metallic film is disposed on at least some of the cube corner elements. The pigmented layer is interposed between the transparent film and the cube layer, and has pigmented indicia aligned with at least one of the sets of intersecting grooves.
Patent KR-20020095241-A (KR)
Title: Nitroaromatic solubilizer for nitroxyls in aromatic solvents
Filed: 2001-04-03
Abstract: Disclosed herein is a method for increasing the solubility of a compound having the structural formula (I), in an aromatic hydrocarbon solvent comprising adding to said solvent a nitroaromatic compound having the structure (II) wherein, in formula (II), R25, R 26, R27, R28, R29 and R30 are independently selected from the group consisting of hydrogen, alkyl, aryl, cycloalkyl, heterocyclic, substituted alkyl, substituted aryl, OR11, NR11R12, SR11, NO2, NO, CN, COR 11, COOR11, CONR11 R12, NR11COR12, halogen, and/or any two adjacent groups can be taken together to form ring structures(s) of five to seven members, provided that at least one of R25, R26, R27, R28, R29 and R30 is NO 2, and R11 and R12 are independently selected from the group consisting of hydrogen, alkyl, aryl, benzyl, cyclic, heterocyclic, and substituted alkyl or aryl where the substituents are C, O, N, S, or P, or R11 and R12 can be taken together to form a ring structure of five to seven members and, in formula (I), R1 and R4 are independently selected from the group consisting of hydrogen, alkyl, and heteroatom- substituted alkyl and R2 and R3 are independently selected from the group consisting of alkyl and heteroatom-substituted alkyl; and X1 and X2 (1) are independently selected from the group consisting of halogen, cyano, COOR7, -S-COR 7, -OCOR7, (wherein R7 is alkyl or aryl), amido, - S-C6H5, carbonyl, alkenyl, or alkyl of 1 to 15 carbon atoms, or (2) taken together, form a ring structure of five to seven members with the nitrogen.
Patent KR-20030009533-A (KR)
Title: Uses Of Thaliporphine Or Its Derivatives In Treatment Of Cardiac Diseases And Preparation Of Same
IPC: C07D221/18
Filed: 2001-02-28
Abstract: The present invention discloses thaliporphine and its derivatives for the treatment and/or prophylaxis of cardiac diseases, including cardiac arrhytmia, myocardial ischemia or myocardial infraction, and sudden death caused by cardiac arrhythmia or acute myocardial infarction.
Patent KR-20030063154-A (KR)
IPC: G07D1/00
Filed: 2003-01-16
Abstract: 본 발명의 제 1 목적은 전환 장치에서 디스크가 끼워져 걸리는 것을 방지하는 것이다.  본 발명의 제 2 목적은 전환 장치를 소형화하고 박형화하는 것이다.  본 발명의 제 3 목적은 전환 장치를 단순화하고 비용을 저감하는 것이다. 
     본 발명의 전환 장치는 디스크를 안내하고 정렬하는 안내 통로와, 상기 안내 통로의 연장 통로에 위치하며 상기 안내 통로의 중심선으로부터 이격되어 있으며 상기 안내 통로를 향해 압박되는 접촉체, 및 상기 연장 통로에 위치되며 상기 접촉체와 대향하여 선택적으로 위치되는 전환체를 포함한다.
Patent KR-20040067648-A (KR)
Inventor: JUNG SANG GYU
IPC: F25D21/04
Filed: 2003-01-24
Abstract: PURPOSE: An all-in-one suction pipe set for a refrigerator and the refrigerator are provided to improve assembling efficiency of the refrigerator by integrating a suction pipe set, to make the exterior shape clear by simplifying the structure of a machine room, to prevent dew formation by a complete sealing, and to maximize heat-exchanging efficiency between a suction pipe and a capillary tube. CONSTITUTION: An all-in-one suction pipe set(100) for a refrigerator is composed of a suction pipe(101) for supplying a refrigerant passage between an evaporator and a compressor and having exposed portions(101a,101c) exposed to the external air and an opened machine room and an embedded unit(101b) laid in to cut off from the external air; a lid(103) for covering a foam(102) in which the embedded unit is arranged; a fixing unit(103a) fastened to a refrigerator body and formed at the lid; a tube(105) for covering a part connected to the evaporator of the exposed portion of the suction pipe; and a capillary tube(104) adhered to the outside of the suction pipe.
Patent KR-20040071340-A (KR)
Title: Noise reduction structure of switched reluctance motor
Inventor: LEE DONG IL
IPC: H02K7/02
Filed: 2003-02-05
Abstract: PURPOSE: A noise reduction structure is provided to reduce noises of a motor by changing resonance frequencies during rotation of a rotor. CONSTITUTION: A switched reluctance motor comprises a rotor(103) arranged in a stator(101) in such a manner that the rotor is rotatable; and a rotating shaft(104) press fit into the shaft hole of the rotor. A noise reduction structure includes an additional inertia member(110) arranged at a side of the rotor so as to change resonance frequencies. The additional inertia member is formed into a disk. The additional inertia member changes resonance frequencies during rotation of the rotor, to thereby reduce resonances and noises.
Patent KR-20040072898-A (KR)
Inventor: KIM YEONG MIN
IPC: G03G15/06
Filed: 2003-02-11
Abstract: PURPOSE: A fabrication method of a developing roller in an image forming device is provided to prevent surface friction coefficients which influence on image quality from being increased even though a life is finished, thereby maintaining an initial image quality. CONSTITUTION: A device checks a shaft having a corresponding size of a product(S210), and forms a basic material by applying an adhesive to the shaft, or processes a mold by injecting the basic material into the mold(S220). The device changes a plasticity material into an elastic material by using chemicals(S230), and performs a polishing process(S240). The system carries out a cleaning process(S250), and forms a coating layer by applying a surface treatment process for an outer surface of a basic material layer(S270). The device sets a condition and finally forms a shape through an after-treatment process(S280). The device makes a complete product.
Patent KR-20030070822-A (KR)
Title: 센터링을 위한 구멍을 가지는 카트리지형 기록매체,디스크형상 기록매체, 카트리지, 드라이브장치 및드라이브방법
IPC: G11B17/028
Filed: 2003-02-19
Abstract: 본 발명은 카트리지기록매체에서 신방식과 구방식의 사이에 있어서 호환성을 높혀 사용자에 대한 편리성을 높히는 것이다. 
     신방식의 기록매체(100)는 기록 디스크(110)에 형성된 중심구멍(112)과, 센터허브(120)에 형성된 센터구멍(121)을 가지고, 중심구멍(112)에 끼워 맞추는 센터링부재를 가진 구방식의 드라이브장치와, 센터구멍(121)에 끼워 맞추는 제 2 센터링부재(313)를 가진 신방식의 드라이브장치(300)와의 쌍방에 대응시키고, 또 구방식의 기록매체는 중심구멍을 가진 기록 디스크를 센터허브를 가진 카트리지에 내장하고 중심구멍에 신방식의 드라이브장치(300)의 제 1 센터링부재(312), 구방식의 드라이브장치의 센터링부재를 끼워 맞추는 구성으로 하였다.
Patent KR-20040079278-A (KR)
Inventor: CHOI YEONG HO
IPC: G02B6/12
Filed: 2003-03-07
Abstract: PURPOSE: An optical waveguide device using optical crystal and its fabrication method are provided to adjust an intensity of an optical beam by being realized in a compact optical integrated circuit. CONSTITUTION: A light input unit receives an optical beam into an optical crystal waveguide. An optical processing unit makes the incident optical beam enter into a plurality of waveguides branched from the waveguide and changes a phase difference by a material installed on one or a number of waveguides among the plurality of waveguides. And a light output unit makes the plurality of waveguides be connected to one waveguide and makes an optical beam passing the plurality of waveguides be synthesized into one optical signal.
Patent KR-20030036339-A (KR)
Title: Liquid container having check valve
Inventor: LEE JEONG MIN
IPC: B65D47/06
Filed: 2003-03-04
Abstract: PURPOSE: A liquid container having a check valve is provided to allow children or old people to use the liquid container stably by forming the check valve to an opening of the container. CONSTITUTION: The container(1) comprises: a container body(100) containing contents; an opening(200) discharging the contents of the container body; and a check valve(300) assembled on an inner wall portion of the opening and opened at a predetermined pressure and closed when the pressure is released.
Patent KR-20040080568-A (KR)
Inventor: LIU I MING
IPC: H01J9/20
Filed: 2003-03-12
Abstract: PURPOSE: A method is provided to reduce film formation time and achieve improved productivity by completing alignment of substrate and shadow mask prior to movement to a vacuum evaporation chamber and directly treating substrate through an evaporation plating process. CONSTITUTION: A method comprises a step of aligning a substrate(41) and a shadow mask(42) outside a vacuum evaporation chamber(43); a step of moving the aligned substrate and shadow mask into the vacuum evaporation chamber through a robotic arm(44); and a step of plating an organic material obtained from an evaporating material(46) on the substrate so as to form a film for organic electrified light emitting elements. The robotic arm has an alignment mechanism(45) having a dock for retaining the substrate and the shadow mask.
Patent KR-20040082479-A (KR)
Inventor: CHOI KYU SEOK
IPC: E01D19/12
Filed: 2003-03-19
Abstract: PURPOSE: A fixing clamp for an angle pipe supporting plywood for placing a concrete slab is provided to promote the stability on construction by fixing an angle pipe to a beam strongly and to shorten a period of construction by fixing and dismantling an angle pipe to/from a beam without separate equipment. CONSTITUTION: The fixing clamp for an angle pipe fixes an angle pipe(3) which supports plywood(2) placed with a concrete slab on the upper part of a beam(1) when installing a concrete slab to the beam(1) and comprises: a tie bolt(10) provided with a hook to hang on a reinforcing bar(4) projected to the top of the beam(1), a bending part(12) bent downward on a contact part with the upper corner of the beam(1) and a screw groove(13) formed on the outer side which penetrates an angle pipe(3); and a fixing nut(20) coupled to the screw groove(13) to prevent the separation of the angle pipe(3) from the tie bolt(10).
Patent KR-20040084379-A (KR)
Title: Plate heat exchange
Inventor: KIM BONG SUCK
IPC: F28F3/08
Filed: 2003-03-28
Abstract: PURPOSE: A plate type heat exchanger is provided to realize a heat exchanger easily repaired by partially exchanging heat exchanging plates, and universally applied to cooling and heating equipments. CONSTITUTION: A plurality of heat exchanging plates(1) have a plurality of circulation paths defined by a plurality of partitions, wherein an inlet is formed at the circulation path for inflow and an outlet is formed at the circulation path for outflow. Combining members(3a) combine the heat exchanging plates in an integratedly bonded state, wherein the heat exchanging plates are arranged to make heat exchanging surfaces contact each other. A thermal medium supply line(4a) is connected with the inlets of odd heat exchanging plates. A fluid supply line(5a) is connected with the inlets of the even heat exchanging plates. A thermal medium recovery line(4b) is connected with the outlets of odd heat exchanging plates. A fluid recovery line(5b) is connected with the outlets of the even heat exchanging plates.
Patent KR-20040073245-A (KR)
Inventor: JUNG YOUNG SAM
IPC: G09F7/20
Filed: 2003-04-14
Abstract: PURPOSE: A panel for displaying a road and a building is provided to reduce the manufacturing cost and the environmental pollution due to the panel by reinstalling and recycling the panel. CONSTITUTION: A panel for displaying a road and a building includes a fixing plate, a display, and a fixing unit. The fixing plate(22) is fixed on an adhesive side by using an adhesive. The display(24) is fixed to the fixing plate. A road name and a building name are displayed on a front side of the display. The fixing unit(26) is used for fixing the display on the fixing plate. The fixing unit is formed with a plurality of long holes, a plurality of bolt members, a plurality of bolt holes, and a plurality of cap nuts.
Patent KR-20040089831-A (KR)
Inventor: BAEK WOO IN
IPC: A61M5/315
Filed: 2003-04-15
Abstract: PURPOSE: A push rod structure of a disposable safety syringe is provided to prevent the needle, inserted into the inside of a cylinder, from getting out of the cylinder at any time, by forced-inserting the cut push rod into the cylinder after using the syringe. CONSTITUTION: The push rod structure of a disposable safety syringe includes; a push rod(13), inserted into a cylinder(11) whose front side has an injection port(12) as one body, and having a body(13a) with many flanges which are radially projected so as to form the cross-shaped section of the push rod(13); a piston(14), supplying the cylinder(11) with compression or suction force according to the movement of the push rod(13); a needle fixing member(15), arranged in a tight-contacted and divisible manner inside the injection port(12); a grip piece(13b), arranged on the rear end of the body(13a) and used for moving the push rod(13) forth and back; and a hanged piece(13c); a push rod projection(13d); and a cut groove(13e) to be broken after using the syringe.
Patent KR-20040091911-A (KR)
Inventor: JEONG WOON YOUNG
IPC: G06Q30/06
Filed: 2003-04-23
Abstract: PURPOSE: An electronic cart system and a shopping method using the same are provided to manage a shop by using the electronic cart electronically performing a role of the cart without carrying the actual cart. CONSTITUTION: The electronic cart(340) enables a customer to electronically store purchase goods by inputting a barcode of the goods during shopping. Terminals(314,324) manage the customers and the goods by connecting to the LAN(Local Area Network). A POS(Point Of Sale) server(310) processes storing/delivery process and price information of the goods by connecting to the terminals through the LAN. A cart server(320) exchanges customer information and goods information by connecting to the POS server and the terminals through the LAN. If the customer information and the purchase goods information are inputted from the electronic cart, the cart server stores the goods information to a customer's folder and transmits a goods list of the customer to the POS server after settlement.
Patent KR-20040093956-A (KR)
Inventor: HA DEOK HWAN
IPC: D06F35/00
Filed: 2003-04-30
Abstract: PURPOSE: A washing ball applied with nano silver is provided to remove bacteria or molds stuck on the laundry by a sterilization function of the silver in a dewatering step by coating equally fine powders of the silver over the inside of the washing tub. CONSTITUTION: A washing ball(130) applied with nano silver is made by mixing the silver pulverized into fine powders with synthetic resin. The washing ball consists of synthetic resin of 88¯94 wt%, a silver colloid aqueous solution of 1¯2 wt%, and a dispersing agent of 5¯10 wt%. The particle size of the silver powder is 10¯200nm. The silver colloid aqueous solution is made by resolving the silver powder with over 99.9% purity degree into the 10¯200nm size and melting the silver powder in distilled or refined water. Plural friction projections(132) are formed on the surface of the washing ball to increase friction with the laundry.
Patent KR-20040094923-A (KR)
Inventor: LEE YEONG DAE
IPC: H02J7/00
Filed: 2003-05-06
Abstract: PURPOSE: A charging apparatus and a charging method are provided to allow for a free voltage charge by automatically detecting an AC voltage applied from an external source for charge of a driver battery. CONSTITUTION: A charging apparatus comprises an input voltage sensing unit(100) for detecting whether an AC power for charge of a driver battery is input from an external source; a first switch(SW11) and a second switch(SW12) which are switched in accordance with the control signal applied from the input voltage sensing unit; a transformer for dropping the input AC power to the preset level; inductors(L11,L12) for inducing the AC power supplied through the transformer; smoothing capacitors for smoothing positive and negative phase potentials; single phase full-bridge diodes(D11 to D14) for rectifying the AC power which is level-dropped and applied; a selection switch(SW13) which is switched by the control signal applied from the input voltage sensing unit; and a first rectifier capacitor(C14) and a second rectifier capacitor(C15) connected to the output terminal of the single phase full-bridge diode, and which charge the rectified DC voltage.
Patent KR-20040095097-A (KR)
Inventor: LEE JAE JUN
IPC: G11C5/06
Filed: 2003-05-06
Abstract: PURPOSE: A memory system improving signal integrity is provided to improve the signal integrity of the memory system and increase a number of usable loads connecting to a memory controller without decreasing an operation speed by equipping the memory system with a dummy stub or dummy module. CONSTITUTION: The memory system is equipped with memory modules(MOD1-3) attaching a semiconductor memory device, the memory controller(MC), a memory bus(MBL), and the dummy stub(21). The memory bus transmits/receives data between the memory controller and the memory modules. The dummy stub is placed between the memory controller and the memory module closest to the memory controller, and is connected to the memory bus.
Patent KR-20040095444-A (KR)
Inventor: CHOI HONG YUN
IPC: G06F17/00
Filed: 2003-05-09
Abstract: PURPOSE: A method for preventing illegal duplication of a contents storing medium is provided to prevent the illegal duplication by allowing only a system confirmed with a user key according to characteristics of the user system to play the contents when the contents encrypted/distributed to the users are played. CONSTITUTION: The contents recorded to an optical recording medium are encrypted by using an encryption key. The user(30) buying the optical recording medium receives information for the user key and the encryption key specifying the characteristic of the user system from a management server(20) connected through the Internet. The encrypted contents are decoded/played by using the encryption key if the received user key and system information of the user are identical with each other.
Patent KR-20030044960-A (KR)
Inventor: LEE DONG GUK
IPC: A63F5/02
Filed: 2003-05-12
Abstract: PURPOSE: Provided is a number game machine using beads which lets plural beads rolled over a number plate and combines the selected numbers to play various games so that it gives users more interest, with providing several games in one machine. CONSTITUTION: The number game machine using the beads comprises the parts of: a motor(13) which consists of two fixed grooves(10) and a square housing-typed base(12) having a motor fixing part(11); the circular number plate(15) which is placed on the base uniformly and combined with axis of the motor at center to be rotated possibly, with a bead fixing part(14) formed to house one bead; and a rolling bar(17) for the beads which is fixed at the fixed groove of the base and inclined downward to a bead insertion hole(16) to let the beads fall to the number plate.
Patent KR-20040106136-A (KR)
Inventor: JUNG DAL HUI
IPC: B60B35/12
Filed: 2003-06-11
Abstract: PURPOSE: A rear carrier assembly of a vehicle is provided to prevent the breakage due to the exposure to the exterior environment or the degradation of sensing performance of a speed sensor by integrally embedding the speed sensor in a rear carrier assembly. CONSTITUTION: A rear carrier assembly of a vehicle comprises a hub(10), a spindle(30) rotatably installed in the hub, many balls(20) interposed between the hub and the spindle, and a tone wheel(40) combined with the circumference of the spindle. A housing(50) having a closed space is combined with one end of the hub. A speed sensor unit(60) for sensing the rotational speed of the tone wheel is installed in the housing.
Patent KR-20040110308-A (KR)
Inventor: KIM GWANG HO
IPC: A23L21/10
Filed: 2003-06-18
Abstract: PURPOSE: A method of producing a dried fig product by allowing permeation of dried figs into gelatin jelly liquid, or crushing softened dried figs and then mixing with gelatin jelly liquid is provided. The product has a soft texture and enhanced eating quality and is stored for a long period of time. CONSTITUTION: In one method, dried figs are steamed to give soft figs having a moisture content of 30 to 35%, added with sugar concentrates containing isomaltooligosaccharide and water in a ratio of 2:1 at 108deg.C, concentrated to 116 to 118deg.C while agitating and then cooled to 80 to 100deg.C. After mixing the concentrated sugar liquid with gelatin liquid, the gelled figs are taken from the gelatin gel liquid, coated with a mold release agent and then cooled to give dry fig products. In another method, dried figs are steamed to give wet figs having a moisture content of 30 to 35% and then crushed. Sugar concentrates containing isomaltooligosaccharide and water in a ratio of 2:1 are concentrated at 116 to 118deg.C, cooled to 80 to 100deg.C and mixed with gelatin liquid to give gelatin jelly liquid. The gelatin jelly is mixed with the wet figs, formed into a predetermined form and coated with a mold release agent to give wet fig products. The gelatin jelly liquid contains 8 to 10% by weight of gelatin, 25 to 40% by weight of white sugar, 25 to 40% by weight of corn syrup and 27 to 42% by weight of water. The mold release agent is coconut powder, roasted bean flour, α-waxy maize starch or α-potato starch.
Patent KR-20050003033-A (KR)
Inventor: CHO HEUNG JAE
IPC: H01L21/304
Filed: 2003-06-30
Abstract: PURPOSE: A method for removing moisture in a semiconductor device is provided to remve efficiency moisture by using vacuum drying technique. CONSTITUTION: A storage node pattern(15) is formed on a semiconductor substrate(10). Rinse processing is performed by using rinse solutions. The residues of rinse solution between the storage node patterns are dried by using vacuum drying method. The vacuum drying is performed under 1-20 torr. DI(DeIonized) water is used as the rinse solution.