baber/WOPTO huggingface dataset:
Patent KR-20020050677-A (KR)
Title: A tray centering apparatus for disk driver
Inventor: JUN DAE HO
IPC: G11B17/038
Filed: 2000-12-21
Abstract: PURPOSE: A tray centering device of a disk drive is provided to supply an elastic force to a centering rib by a supporting spring, thereby exactly guiding a centering boss and buffering impact caused by centering boss collision. CONSTITUTION: A tray(30) for loading and unloading a disk is movable on a main base(20). Guide ribs(22, 22') guide movements of the tray and prevent the tray from being taken away to an upper direction. A centering boss(24) performs a centering process for conforming a center of the tray with a center of the disk, when the tray is located inside. A disk set surface(32) is formed on an upper surface of the tray, to set the disk. The disk set surface sinks from the upper surface of the tray according to the size of the disk. The tray moves inside and outside of a disk drive on the main base. Both upper surfaces of the tray are guided by the guide ribs.
Patent KR-20010025413-A (KR)
Title: Business method for electronic commerce using on-line quiz and computer readable medium having stored thereon computer executable instruction for performing the method
Inventor: LEE JAE YOUL
Filed: 2000-12-26
Abstract: PURPOSE: An electronic commerce method is provided to enable a user to naturally recognize contents of an advertisement in the process of solving a quiz presented when the user clicks the advertisement, and give the user cyber money to purchase a commodity over the internet. CONSTITUTION: The method comprises steps of an electronic commerce server constructing a commodity information database based on the data transmitted by a commodity supplier or an advertisement owner(S301), the server allowing a user to access and search for commodity information by a computer or a cellular phone(S302), the user obtaining cyber money presented in a home page of the service site and ordering a purchase on searched commodities(S303), and the user participating in various events offered in the home page, purchasing commodities, settling the payment by using the cyber money or a credit card and receiving the commodities(S304). In the step of obtaining the cyber money, the user has to click an advertisement banner and solve various types of quiz offered by the advertisement banner.
Patent KR-20020052410-A (KR)
Title: Apparatus for enlargement control pressure of clutch using oil hammer appearance
Inventor: SON U CHEOL
IPC: F16D33/12
Filed: 2000-12-26
Abstract: PURPOSE: An increasing apparatus for control pressure of a clutch by using oil hammering is provided to minimize power loss, to reduce the weight, and to cut down expenses by increasing control pressure of the clutch more than the pressure of a regulator with oil hammering in the passage. CONSTITUTION: A control pressure increase device of a clutch is composed of an oil pump(10) supplying oil by pumping; a regulator valve(12) controlling flow of fluid from the oil pump; a solenoid valve increasing pressure of fluid from the oil pump through the regulator valve according to PWM(Pulse Width Modulation) signals; a first passage(P1) increasing pressure of fluid from the regulator valve according to turning on and off the solenoid; a second passage(P2) connected to the first passage to apply control pressure from the first passage; and a clutch assembly(16) operating according to control pressure increased from the second passage. Power loss is minimized, and expenses are reduced with increasing control pressure of the clutch with oil hammering.
Patent KR-20020054043-A (KR)
Title: Cooling system of engine
Inventor: KIM SANG SIK
IPC: F01P3/02
Filed: 2000-12-27
Abstract: PURPOSE: An engine cooling structure is provided to reduce the thermal stress between a combustion chamber and cylinder bore and prevent the deposition of a spark plug caused by the superheating of the combustion chamber and the increasing NOx generation. CONSTITUTION: An engine cooling structure comprises a cylinder block(1) having a water jacket(3,4) around cylinder bores(2), and a cylinder head connected to the cylinder block(1) via cylinder head gasket and communicated with the water jacket(3,4) of the cylinder block(1) through a cylinder head. Slots(5) are formed along a linear groove formed between the cylinder bores(2). One end of each slot is communicated with the water jacket formed at the cylinder block. The other end of each slot is connected with the water jacket of the cylinder head through the cylinder head gasket.
Patent KR-20020058213-A (KR)
Title: Semiconductor package and its manufacturing method
Inventor: BAEK JONG SIK
IPC: H01L23/12
Filed: 2000-12-29
Abstract: PURPOSE: A semiconductor package and a method for fabricating the same are provided to stack a plurality of semiconductor chips with the same size by using a flip chip method. CONSTITUTION: A plurality of input and output pads(1a) are formed on a center portion of the first semiconductor chip(1). A plurality of conductive via holes(3) are formed on an outside of the first semiconductor chip. The conductive via holes(3) are connected with an active region(1c) of the first semiconductor chip(1). The conductive via holes(3) are formed with holes(3a) and conductive material(3b) The conductive material(3b) is formed by solder or gold. The second semiconductor chip(2) is located on the first semiconductor chip(1). A plurality of input and output pads(2a) are formed around a lower face of the second semiconductor chip(2). The input and output pads(2a) are connected with the conductive via holes(3) by a conductive bump(4). A circuit film(10) having wiring patterns(11) is formed around a through-hole(13). The circuit film(10) is adhered to a lower face of the first semiconductor chip(1) by an adhesive layer. The conductive patterns(11) of the circuit film(10) are formed with bond fingers(11a) and ball lands(11b). A cover coat(12) is formed on the wiring patterns(11) except for bong fingers(11a) and the ball lands(11b). A sealing portion(6) is formed on the input and output pads(1a) and a conductive wire(5). Conductive balls(8) are fused on the ball lands(11b).
Patent KR-20020057188-A (KR)
Title: Apparatus for duplicating cell bus in mobile communication system
Inventor: YOON CHANG BAE
IPC: H04L12/28
Filed: 2000-12-30
Abstract: PURPOSE: An apparatus for duplicating a cell bus of a mobile telecommunication system is provided to improve cell data transmission efficiency with the minimum construction reducing load of the cell buses. CONSTITUTION: A cell bus A(40) and a cell bus B(41) are duplicately constructed for transmitting and receiving cells. An AIU(ATM Interface Unit)-A(42) and an AIU-B(43) are connected to the cell bus A(40) and cell bus B(41) one-to-one for performing cell bus occupation mediation and ATM cell data process. Data processing blocks A-1, A-2, A-3(44,45,46) are connected with the cell bus A(40) and interwork with the AIU-A(42) for processing cell data when the AIU-A(42) performs a master function to the cell bus A(40). Data processing blocks B-1, B-2, B-3(47,48,49) are connected with the cell bus B(41) and interwork with the AIU-B(43) for processing cell data when the AIU-B(43) performs a master function to the cell bus B(41).
Patent KR-20010022532-A (KR)
Title: 포장재처리장치및포장용기의제조방법
IPC: B65B61/00
Filed: 1998-08-12
Abstract: 외력을 가하여 주출구 (21) 를 개구했을 때에, 포장재 12 의 파단면이 거칠게 되지 않도록 하는 것을 목적으로 한다. 종이 기재 및 수지 필름에 의하여 다층 구조가 형성되고, 또한, 개봉 수단에 대응하는 개소에 파단 영역 (52) 가 설정된 포장재 (12) 를 반송하는 반송 수단과, 상기 포장재 12 를 밀봉하는 밀봉장치와, 상기 포장재 (12) 의 반송 방향에 있어서의 밀봉 장치보다 상류 측에, 상기 포장재 (12) 의 최 내층과 마주하여 배설되어, 상기 포장재(12)를 가열하는 가열 수단을 가진다. 이 경우, 포장재 (12) 의 수지 필름은, 가열되고, 용융된 후, 서냉된다. 이 때, 상기 수지 필름을 구성하는 열가소성 수지가, 결정화되어 취약하게 되므로, 개봉 수단에 의하여 외력을 가하여 주출구 (21) 를 개구시켰을 때에, 수지 필름이 늘어나는 것을 방지할 수 있다. 따라서, 포장재 12 가 용이하게 파단될 뿐 아니라, 수지 필름에 있어서 파단된 부분과 늘어난 부분이 혼재하는 일이 없게 되므로, 포장재 (12) 의 파단면이 거칠게 되는 것을 방지할 수 있다.
Patent KR-20010023408-A (KR)
Title: 개인용 운반 차량을 위한 적재 트레이
IPC: B66F11/04
Filed: 1998-09-01
Abstract: 여러 가지 작업이 가능한 작업 지원 차량(10)은 조작자(50)와 이 조작자에 의해 취급되는 상품(item)을 이송하고, 조작자와 함께 들어올려지는 화물 트레이(90, 90′,90″)에 지지되는 상품과 함께 조작자를 들어올리도록 설계된다. 양호하게는 상기 화물 트레이는 조작자를 지지 및 들어올리는 신축성 마스트(30; telescoping mast)를 따라 위치되도록 장착된다. 화물 데크(load deck) 또는 화물 플랫폼(27)이 상기 화물 트레이에 부가하여 차량(10)의 본체(20)에 구비되어 패키지, 공구, 부품, 상품 등이 차량에 의해 운반될 수 있게 된다. 또한 화물 선반(390, 390′)이 차량의 적재 운반 성능에 적응성과 용량을 부가하기 위해 상기 화물 데크(27) 근처에 제공될 수 있다. 이 차량은 주문품 가져오기(order picking), 실내 유지보수(in-house service maintenance), 재고 관리, 화물 배달 등에 사용된다. 이 차량은 크기가 작고, 좁은 창고 통로 및 움직일 공간이 적은 곳에서의 사용을 위해 기동성이 높도록 설계된다.
Patent KR-20010031804-A (KR)
Title: 지속성 점안제
IPC: A61K9/00
Filed: 1998-11-02
Abstract: 소르빈산과 같은 C 3 ∼C 7 지방산이 첨가되어 β차단약의 안구내 침투성과 안구조직내에서 그의 체류성이 개선된  염산카르테오롤과 같은 β차단약을 함유하는 지속성 점안제
Patent KR-20010033189-A (KR)
Title: 하드 코팅 막 형성용 코팅 액제 및 하드 코팅 막으로코팅된 기재
IPC: C09D7/62
Filed: 1998-12-14
Abstract: 본 발명은 내열수성, 내후성, 내찰상성, 내마모성 및 염색성 및 기재에 대해 부착에서 뛰어나고 높은 굴절률을 지니며 포트크로미즘(photochromism)을 나타내지 않는 하드 코트 필름을 형성하기 위한 코팅 액체를 제공하는 것으로, 하드 코트 필름을 형성하기 위한 코팅 액체는 매트릭스-형성 성분과 1∼100㎚ 평균 입자 사이즈의 복합 금속 옥사이드 입자로 구성되고, 특정 비율로 사용되는 산화철 성분 및 산화티탄 성분 또는 특정 비율로 사용되는 산화철 성분, 산화티탄 성분 및 실리카 성분으로 구성된다.    하드 코트 필름으로 코팅된 기재는 상기 코팅 액체를 기재 표면에 도포하고 건조하여 형성된다.
Patent KR-20010024845-A (KR)
Title: 락카아제를 함유하는 케라틴 섬유의 산화 염색 조성물 및그를 이용한 염색 방법
IPC: A61K8/99
Filed: 1998-12-22
Abstract: 본 발명은 염색에 적당한 매질 중 하나 이상의 복소환식 산화 염료제 및 락카아제와 같은 하나 이상의 효소를 함유하는, 케라틴 섬유, 특히 모발과 같은 인간의 케라틴 섬유의 산화 염색을 위한 조성물, 및 상기 조성물을 이용한 염색 방법에 관한 것이다.
Patent KR-20010041198-A (KR)
Title: 밸브장치 및 밸브제어방법
IPC: F02M25/07
Filed: 1998-12-25
Abstract: 컨트럴 유니트(10)에서 밸브리프트 제어신호를 받으면, 스텝핑 모터(18)에서의 코일(18a)~(18d)중, 2개의 코일을 여자해서, 밸브(14)의 개도를 조정하는 한편, 그 밸브(14)의 개도조정이 완료해서 일정시간이 경과하면, 스텝핑 모터(18)의 여자방식을 2상 여자로부터 1상 여자로 전환하도록 한다.
Patent KR-20010043525-A (KR)
Title: 화상 제공 장치 및 그 제공방법, 화상 처리 장치 및 그처리방법, 및 기억 매체
IPC: H04N5/262
Filed: 2000-03-13
Abstract: 본 발명은 송수신부(34)는 네트워크를 통해, 화상의 송신 요구를 모니터로부터 수신하여, 왜곡이 제거된 화상의 전부 또는 일부를 모니터에 송신한다.  기억부(33)는 촬상 장치로부터 입력된 화상을 기억한다.  연산부(32)는 송수신부(34)가 수신한 요구에 대응하여, 기억부(33)에 기억되어 있는 화상의 전부 또는 일부를 선택한다.  화상 처리부(36)는 연산부(32)에 선택된 화상의 전부 또는 일부를, 왜곡을 제거한 화상으로 변환한다.
Patent KR-20010053188-A (KR)
Title: 광 디스크 드라이브용 픽업 제어 장치
IPC: G11B7/09
Filed: 2000-04-20
Abstract: 다른 CAV 또는 CLV의 제어하에 광 디스크를 회전시키는 구조를 갖는 광 디스크 드라이브에 있어서, 광 디스크가 CLV 제어하에 회전되는 경우, 광 디스크 드라이브의 픽업 동작을 제어하는 포커스 서보 시스템 및 트래킹 서보 시스템 중 적어도 하나에 대한 루프 이득은, CAV 제어하에 광 디스크를 회전시키는데 또한 사용되는 각속도 검출기에 의해 검출된 각속도에 근거하여 조정되고, 광 디스크가 CAV 제어하에 회전되는 경우, CLV 제어하에 광 디스크를 회전시키는데 또한 사용되는 선속도 검출기에 의해 검출된 선속도에 근거하여 조정된다.  상기 구조는 광 디스크 드라이브의 전기 및 비용을 효율적으로 절약할 수 있게 한다.
Patent KR-20010035236-A (KR)
Title: 2-way wireless modem for satellite communication
Inventor: JUNG SIN BAE
IPC: H04L27/00
Filed: 2001-01-20
Abstract: PURPOSE: A wireless modem is provided to control the modem remotely located via an artificial satellite and receive particular data monitored by a remote computer through the modem. CONSTITUTION: In wireless modem for remote transceiving data, a serial port(2) is used for transceive data between the modem and a remote computer. The serial port(2) includes a TXD line for sending data and an RXD line for receiving data, and a handshaking for RTS, CTS, DTR and DCD. Received data by a transceiver(8) go through a filter(38), an amplifier, log gates(24,44), a peak detector(46), a slicer(48) and a modulator/demodulator(6B). Here, the filter(30) sends the received data to a modulator(6A) through a ladder of resistance and produces a digital output signal from the parallel output data. A controller(10) conducts functions of monitoring and controlling though input/output cables while the modem works
Patent KR-20010082065-A (KR)
Title: Traction control appartus for four-wheel drive vehicle
Inventor: IRIE YOSHIAKI
IPC: B60T8/175
Filed: 2001-02-08
Abstract: PURPOSE: To solve a problem that the braking pressure on an outer turning wheel side is reduced, and the controllability of the vehicle behavior is degraded when the braking pressure on an inner turning wheel is increased if the traction control quantity is set according to the differential revolution speed of each wheel. CONSTITUTION: When a driving wheel of a low gripping degree is present in rear wheels ('No' in S110), the same control quantity ΔVWRL=ΔVWRR is simultaneously set to braking devices on right and left rear wheel sides (S120 and S124). The slipping trend of the rear wheels is suppressed, and the vehicle is transferred in the direction of stabilizing the vehicle behavior.
Patent KR-20010087188-A (KR)
Title: Manufacturing testing of hot-plug circuits on a computer backplane
Inventor: JONATHAN MICHAEL ALLEN
IPC: G06F13/40
Filed: 2001-02-15
Abstract: PURPOSE: A test for manufacturing hot plug circuit on computer backplane is provided to reduce test time by performing an analog testing at the same test adaptor while performing a digital testing. CONSTITUTION: A testing connector(102) is connected with the computer backplane(100) whereon each card slot(46) can be turned on with an external tester(103). The external tester(103) is subsequently indicated to impress a normal load and overcurrent load on each voltage level of a selective card slot. After each load is impressed, correspondent voltage is returned to the external tester(103). The external voltage is subsequently measured with the external tester(103) to be confirmed that the voltage level is within the established voltage. A currently and unused signal line is used for the test connector(102), and served for exchanging indicated contents and the results between the card slot(46) of tested object and the external tester(103). Since the same test adapter card as used in the analog testing with the card slot is employed in the digital testing of card, testing time is shortened and it makes unnecessary the testing device to complicate.
Patent KR-20020069988-A (KR)
Title: Digital portable terminal equipment having specific function key and implementing method thereof
Inventor: OH SEUNG EUN
IPC: H04B1/38
Filed: 2001-02-28
Abstract: PURPOSE: A digital portable terminal having a specific function key and an embodying method therefor are provided to simultaneously pushes two keys through a TSP(Touch Screen Panel) and use the function of the pushed two keys. CONSTITUTION: A digital portable terminal judges whether the input of a user exists through a TSP(210). If the input of a user exists, the digital portable terminal judges whether a specific function key button installed at its external portion is pushed(212). If the specific function key button is pushed, the digital portable terminal judges whether a corresponding function key is "Shift" key(216). If the corresponding function key is not the "Shift" key, the digital portable terminal judges whether the corresponding function key is "Ctrl" key(220). If the corresponding function key is not the "Ctrl" key, the digital portable terminal judges whether the corresponding function key is a right function key of a mouse(224). The digital portable terminal performs the functions of each function key and the TSP(218,222,226).
Patent KR-20010091994-A (KR)
Inventor: HAMASE SHOICHI
IPC: H01J29/88
Filed: 2001-03-12
Abstract: PURPOSE: To provide a method and apparatus for painting carbon onto a funnel of a cathode ray tube that can paint interior carbon on a funnel of cathode ray tube, so as not to attach the interior carbon to a projection of an anode button provided within the funnel and to ensure continuity between the interior carbon and anode button. CONSTITUTION: This method is for painting interior carbon 5 on the inner face of the funnel 1 of a cathode-ray tube. When the interior carbon 5 injected on the inner face of the said funnel 1 passes through at least above the anode button 3 provided on the funnel 1, the interior carbon 5 is prevented from attaching to a projection 4 of the said anode button by locally blowing air to the spot.
Patent KR-20010092359-A (KR)
Inventor: GONZALEZ FERNANDEZ XAVIER
IPC: F04B53/12
Filed: 2001-03-15
Abstract: PURPOSE: A fluid pump dispenser is provided to avoid the formation of product droplets at the end of each pressure stroke, thereby avoiding messy conditions and minimizing contact between product and the outside air at the spout end which causes clogging. CONSTITUTION: A fluid pump dispenser(10) of the loss motion piston type provides for maintaining discharge ports open a slight interval at the commencement of each plunger upstroke while a pump chamber(21) expands to retract product from a discharge passage(13) into the chamber to thereby avoid the formation of product droplets at the exit end of a discharge spout(12). Such is effected by reducing the friction force acting between a piston(18) and a pump cylinder(16) relative to the friction force acting between the piston and a stem(11). An inlet valve assembly has a portion lying in the path of the piston which portion is connected by spring legs to a valve portion such that the restoring force of the spring legs shifts the piston together with the stem at the commencement of the plunger upstroke which maintains the discharge passage in open communication with the chamber.
Patent KR-20020073757-A (KR)
Title: Method threof and Display Structure Of LED Module For Electric Light Plate
Inventor: LEE HUI SEONG
IPC: G09F9/302
Filed: 2001-03-16
Abstract: PURPOSE: A LED module display structure of an electric bulletin board and its formation method are provided, to reduce the pixel size of LED module and to improve the resolution of an electric bulletin board. CONSTITUTION: The LED module display structure is such that a pixel lattice(14) is combined on a circuit board(10) in a body to allow the R-G or R-G-B LEDs(12) constituting the pixel unit by mutual light emitting combination, to be inserted and fixed by a module unit; the LEDs(12) of pixel unit are inserted between the pixel lattices(14) and mounted onto the circuit board(10) directly; and a transparent resin(16) is penetrated and solidified between the pixel lattices(14) where the LEDs(12) of pixel unit are mounted. The pixel lattice is made of an optically opaque material; and the circuit board comprises further a heatproof plate(30) connected with a base frame(20). Preferably the pixel lattice(14) has a size of the width of 1.6-3.2 mm and the height of 1.6-3.2 mm.
Patent KR-20020073920-A (KR)
Title: The Early Rehabilitation Training System
Inventor: KIM NAM GYUN
IPC: A61H1/00
Filed: 2001-03-17
Abstract: PURPOSE: An early rehabilitation training apparatus is provided to devise rapid restoration of brain dysfunction patients by performing medical treatment and rehabilitation training simultaneously. CONSTITUTION: The early rehabilitation training apparatus comprises a tilting bed for performing some medical treatments and rehabilitation training to a brain dysfunction patient lying on the bed; a force measuring plate(6) for measuring motion of the lower body of the patient; a fingers movement detecting device(8); a two dimensional rotating angle measuring sensor(12) for measuring motion of the head; an integrated controller(13); a head mount display device(9) and a flat display device(10) for showing various information to the patient; and a software and computer for performing training, treatment, and game on the basis of input data.
Patent KR-20020078715-A (KR)
Title: Cosmetic composition for preventing photo-aging of skin
Inventor: KOO BON UK
IPC: A61K8/99
Filed: 2001-04-10
Abstract: PURPOSE: A cosmetic composition having a function for preventing photo-aging of the skin caused by exposure to ultraviolet light by reinforcement of the DNA healing process of cells is provided. Therefore, the composition is effective for treating photo aged, dry, lined or wrinkled skin. CONSTITUTION: The cosmetic composition comprising an oil phase component and a water phase component contains 4 to 6% by weight of an extract from Bifidobacterium bacteria and 4 to 6% by weight of an extract from Cyanobacterium Anacystis nidulans, wherein the extract from Cyanobacterium Anacystis nidulans is an encapsulated component liposomed with phospholipid.
Patent KR-20020080128-A (KR)
Inventor: HYUN JONG SEON
IPC: H01L21/02
Filed: 2001-04-11
Abstract: PURPOSE: A temperature maintenance apparatus of process chamber for semiconductor manufacturing is used for maintain the temperature of the process chamber by using heat generated from a vacuum pump. CONSTITUTION: A process chamber(10) is connected with a vacuum pump(203) through a vacuum line(201). A pump coolant circulation line(401) is formed in the vacuum pump(203). The pump coolant circulation line(401) is extended to an inside of the process chamber(10) in order to cool the vacuum pump(203) and maintain a temperature of the process chamber(10). A solenoid valve(403) is installed at a supply side of the pump coolant circulation line(401) in order to control the amount of pump coolant and control the temperature of the process chamber(10). The temperature of the process chamber(10) increases when the amount of pump coolant is reduced. The temperature of the process chamber(10) reduces when the amount of pump coolant is increased.
Patent KR-20020083343-A (KR)
Title: Pleated packing paper and its manufacturing device
Inventor: YU KANG HAN
IPC: B65D65/00
Filed: 2001-04-27
Abstract: PURPOSE: Wrinkled packing paper and a manufacturing apparatus thereof are provided to attain high strength packing paper having improved sealing and waterproofing properties. CONSTITUTION: The wrinkled packing paper is manufactured by heating an adhesive sheet(11) provided with a thermoplastic resin film on the one side of paper to endow it with plasticity, forming wrinkles on the adhesive sheet in a horizontal direction by using a doctor knife(27), and cooling and hardening the wrinkles of the adhesive sheet to achieve the wrinkled packing paper(10).
Patent KR-20020084492-A (KR)
Title: An automotive brake system having a cooling device
Inventor: LEE DONG GEUN
IPC: B60T5/00
Filed: 2001-05-02
Abstract: PURPOSE: A cooling apparatus of a brake system for a vehicle is provided to prevent vibration at the initial stage, and to restrict increase of temperature by converting frictional heat generated from a brake disk into electric energy in braking. CONSTITUTION: A cooling device of a brake system for a vehicle is composed of an energy converting unit(40) converting frictional heat into electric energy in contacting to a brake disk in a pressure pad(21) of a brake assembly installed in a wheel; and a conducting unit(50) applying direct current power to the energy converting unit through an axle rotating the wheel. Vibration is prevented, and overheat of the brake disk is restricted by converting frictional heat generated in the brake disk in braking into electric and heat energy.
Patent KR-20020085161-A (KR)
Title: reduce to powder use by soft -shelled in germanium.
Inventor: LEE TAE HO
IPC: A61K35/12
Filed: 2001-05-07
Abstract: PURPOSE: A method for producing snapping turtle powder by aging a snapping turtle in underground water containing germanium, mildly heating and then grinding is provided. Because the extract has an effect on improving physical constitution and reduces stress, it can be effectively used as health food. CONSTITUTION: About two-year-old snapping turtle is washed with underground water disposed at a depth of 120m below the ground levels containing germanium, aged for 240hr, mildly heated in a fumigator for 24hr, dried with a clean sea wind for 1.5hr and then ground. Thereafter, the powder is sterilized at 90deg.C or more for about 1hr.