baber/WOPTO huggingface dataset:
Patent KR-20010072253-A (KR)
IPC: A43B5/04
Filed: 1999-08-02
Abstract: A device for coupling an item of footwear on an item of sports equipment in order to use the equipment enables the equipment to be detached when not in use. The device comprises a first body (1) fixed to the sole (1a) of the footwear and having a set of shaped protrusions (7) on its visible face, a second body (2) fixed to the sports equipment (2a) and having a set of holes (10) the arrangement and number of which are the same as those of the above-mentioned protrusions (7) and into which the protrusions can extend, and an intermediate element (3) rotatable relative to the second body (2) and having a set of holes (14) the arrangement and number of which are the same as those of the protrusions (7) of the first body, the intermediate body being movable between a first position in which the holes (10, 14) are out of alignment with one another and are restrained by resilient means (16), and a second position which can be reached in opposition to the resilient means (16) and in which the holes (10, 14) have been rendered coaxial with one another.
Patent KR-20010079658-A (KR)
IPC: H01L21/302
Filed: 1999-07-06
Abstract: 반도체 웨이퍼 처리 단계 동안 웨이퍼(26)를 가로질로 아싱 또는 절연 파괴를 최소화하거나 없애는 방법 및 장치는 아싱 및/또는 절연 파괴가 일어나지 않도록 웨이퍼(26)를 가로질러 전압을 제어하는 단계를 포함한다. 본 발명의 정전기 클램프(50)를 이용함으로써, 그리고 특정한 클램프 전압을 제어함으로써, 웨이퍼를 가로지른 전압은 임계치 이하로 유지되며, 이에 따라 아싱 및/또는 절연 파괴가 감소 또는 제거된다.
Patent KR-20010075179-A (KR)
IPC: C08J9/12
Filed: 1999-08-12
Abstract: 본 발명은, 하나의 구현예에 있어서, (A) 혼합물의 사전발포를 예방하기 충분한 압력하에서, (1) 알케닐 방향족 중합체 및 (2) 발포제의 발포성 혼합물을 형성시키고 및 (B) 감압하의 영역내로 혼합물을 발포시켜 발포 생성물을 형성시키는 단계들로 구성되고, 발포성 혼합물의 유리 전이 온도 및 발포 온도 간의 차이가 약 62℃ 미만인 발포 생성물의 제조 방법에 관한 것이다.
Patent KR-20010075210-A (KR)
IPC: F26B3/34
Filed: 2000-07-18
Abstract: 회전 드럼(11) 내에 식품 가공 잔류물을 투입하고 교반하면서 회전 드럼(11) 내에 고온 공기 공급 장치(30)로부터 고온 공기를 공급하고 마이크로파 공급장치(50)로부터 마이크로파를 공급한다.  회전 드럼(11)내의 식품 가공 잔류물은 고온 공기에 의해 전방 표면측으로부터 가열됨과 동시에 마이크로파 유도 가열에 의해 내부로부터 가열되므로, 전체의 잔류물 가공 식품을 균일하게 가열하고 단시간 내에 균일하게 건조시켜 건조물을 제조하고, 또한 잔류물 처리 식품을 과열이 없이 건조시킬 수 있으므로, 건조물이 탄화되지 않고 최적의 수분 함유율 까지 건조시킬 수 있어, 건조 식품 재료 및 가축용 사료로서 이용 가능한 건조물을 얻을 수 있다.
Patent KR-20010089301-A (KR)
IPC: A23K1/18
Filed: 1999-10-15
Abstract: 가금류, 돼지, 식육용 송아지 및 어류의 생육 및 사료 전환비를 개선시키기 위한 단위 또는 비-반추 동물용 사료에 사용되는 두가지 항미생물 효소의 사용에 관해 기재되고 있다. 이로인해 농부는 생육 촉진 항생제를 사용할 필요가 없게 되었다. 효소는 항균 활성을 가지고 박테리아에 독성인 화합물을 생산하는 또다른 효소를 이용하여(예, 라이소자임) 박테리아의 세포벽을 파괴할 수 있다. 이들 효소의 효능은 아라키돈산과 같은 다불포화 지방산(PUFA)을 포함시켜 개선된다.
Patent KR-20010089335-A (KR)
Title: Method and system for physiological gating of radiation theraphy
IPC: A61N5/10
Filed: 1999-10-22
Abstract: A method and system for physiological gating for radiation therapy is disclosed. According to an aspect, the invention comprises the use of an optical or video image system to measure regular physiological movement of a patient's body. The image data can be used to quantify voluntary or involuntary motion of the patient that may affect the delivery of radiation to a target tissue. A gating signal can be generated to suspend delivery of radiation upon certain threshold event detected in the physiological movement.
Patent KR-20010080602-A (KR)
Title: 전기 커플링의 열팽창 제어
IPC: H01R13/46
Filed: 1999-09-17
Abstract: 소켓과 같은 커플링(10)은 하나의 전자 디바이스를 다른 전자 디바이스로 결합시키고 2 개의 결합된 디바이스 사이의 상이한 열팽창을 감소시킬 수 있다. 예를 들어, 표면 장착 소켓(10)은 인쇄 배선 회로 기판(20)과 상이하게 팽창할 수 있다. 인쇄 배선 회로 기판의 열팽창 계수와 매칭하는 열팽창 계수를 갖는 구조물을 통합시킴으로써, 상이한 열팽창이 감소되고 기계적 손상의 가능성이 줄어들 수 있다.
Patent KR-20010108008-A (KR)
Title: 발전 반응기에 대한 아연 첨가 제어방법
IPC: G21C19/28
Filed: 1999-10-08
Abstract: 본 발명은 반응기 시스템 내에서 아연의 손실을 억제하기 위해 아연 이온이 반응기 수에 도입되는, 방사능 축적을 제어하기 위한 핵 발전 플랜트로의 아연 도입의 제어방법이다.  이 방법에서, 반응기 수로의 아연 이온 도입 속도는 반응기로부터 아연 이온 손실 속도와 밸런싱(balancing)한다.
Patent KR-20010101469-A (KR)
Title: Nonwoven fabric and method and apparatus for manufacturing same
IPC: B65H51/005
Filed: 2000-01-10
Abstract: An apparatus for fabricating a unique nonwoven fabric which has the appearance of a woven fabric includes a supply station for parallel warp yarns, a support structure for orienting the parallel warp yarns into a cylindrical orientation, a weft yarn applicator for wrapping weft yarns around the cylindrically oriented warp yarns after an adhesive scrim has been overlaid onto the warp yarns, a heating station for activating the adhesive and a cooling station for setting the adhesive, and a cutter for severing the cylindrically formed fabric laminate so that it can be flattened and wrapped onto a take-up roller. The weft yarn applicator including a rotating drum wherein a plurality of spools of weft yarn material are mounted in circumferentially spaced relationship and a tensioner is provided for applying the weft yarn material around the warp yarns in a predetermined tension which may be the same as, greater than, or less than the tension in the warp yarns.
Patent KR-20010101923-A (KR)
IPC: H04M1/00
Filed: 2000-01-28
Abstract: 사용자의 구두 명령으로 이동 전화 입력 호출에 응답하여 핸즈프리 음성 활성화하게 하는 이동 전화 시스템 및 방법이다.     이 이동 전화 시스템은 카킷 및 이동 전화를 구비한다.      이 이동 전화는 사용자의 음성 그리팅을 사전 프로그래밍하는 프로그래밍 키 (22), 전화 모드에서 호출에 응답하는 키패드 (23), 카킷 모드에서 호출에 응답하기 위해 사용자의 구두 명령을 입력하는 마이크로폰 (24), 이 마이크로폰에 접속되어 카킷 모드에서 사용자의 구두 명령의 스펙트럼 분석 (36) 및 특성 추출 (38) 을 행하는 디지털 프로세서, 및 이 디지털 프로세서에 접속되어 사용자의 사전 프로그래밍된 음성 그리팅 디지털화 스피치 패턴을 저장하는 데이터베이스 (46) 를 가진다.     사전 프로그래밍된 음성 그리팅은, 프로그래밍 키를 누른 후 이전에 초기화 된 경우, 출고시 프로그래밍된 음성 그리팅 또는 사용자의 사전 프로그래밍된 음성 그리팅일 수도 있다.     디지털 프로세서 (30) 는, 사용자의 구두 명령과 저장된 사용자 사전 프로그래밍된 음성 그리팅이 일치하는지를 판정하기 위해 사용자의 구두 명령의 스펙트럼 분석 및 특성 추출을 행한다.     일치한다고 판정되면, 디지털 프로세서 (30) 는 사용자의 구두 명령이 사전 프로그래밍된 성공/실패 음성 임계치에 도달하는지를 조사한다.
Patent KR-20010112294-A (KR)
Title: 헬륨 지원 에칭을 이용한 반도체 제조 방법
IPC: H01L21/28
Filed: 2000-12-22
Abstract: 본 발명에 따르면, 선택도를 저하시키지 않고 칩 내에 거의 90°의 측벽을 갖는 구조체를 형성할 수 있는 고도로 선택적인 에칭 공정을 이용하여 반도체 칩 제조 방법을 향상시킨다.  본 발명의 일실시예에 따르면, 얇은 산화물 상에 형성된 기판을 갖는 반도체 칩을 에칭하는데 에칭 기체 및 불활성 기체로부터 발생된 플라즈마가 사용된다.  상기 칩은, 에칭 기체 화학물(chemistry)과 결합될 때 높은 산화물 선택도를 얻을 수 있는 플라즈마 파워 및 에칭 압력에서 에칭된다.  에칭 기체와 동시에 공급된 불활성 기체는, 에칭 기체의 선택도를 저하시키지 않고 에칭될 때 기판의 프로파일의 거의 수직인 측벽 프로파일을 유지할 수 있도록 한다.
Patent KR-20020002420-A (KR)
Inventor: FARIS SADEG M
IPC: G02F1/139
Filed: 2000-04-06
Abstract: Electro-optical glazing structures (1) having total-scattering and total- transparent modes of operation which are electrically-switchable for use in dynamically controlling electromagnetic radiation flow in diverse applications.
Patent KR-20020008219-A (KR)
Title: Monitoring of cdma load and frequency reuse based on reverse link signal-to-noise ratio
IPC: H04B7/005
Filed: 2000-06-06
Abstract: A system and method for monitoring the load on a CDMA communication system having a base station and a plurality of users. A measure of voice activity in the communication system is determined, and a current value of frequency reuse efficiency equal to an initial value of frequency reuse efficiency is provided. A power determination is made according to the measured voice activity and the current value of frequency reuse efficiency. The current value of frequency reuse efficiency is updated using the power determination to provide a new current value of frequency reuse efficiency. The power determination and the update of the frequency reuse efficiency are iteratively repeated until convergence to provide a converged value of frequency reuse efficiency. The load on the communication system is then determined according to the converged frequency reuse efficiency value.
Patent KR-20020013587-A (KR)
IPC: G02B3/00
Filed: 1999-10-25
Abstract: 후방 투영 스크린은 빛을 수평 및 수직으로 발산시키는 복수의 렌즈를 구비하는 필름층을 포함한다. 상기 렌즈에 의해 형성된 수평 시야각은 수직 시야각과 상이해진다. 빛은 렌즈에 의해 특정 방향으로 향하게 될 수 있으므로, 빛의 최대 강도의 방향은 스크린 표면과 수직하는 축에 평행하지 않다. 렌즈 필름은 벌크 확산기와 같은 등방성의 광분산기와 결합될 수 있다.
Patent KR-20020026481-A (KR)
Title: Device for cleaning flue gas
IPC: F01N3/08
Filed: 2000-06-28
Abstract: Flue gas, in particular from a steam generator, requires cleaning. A catalytic converter for deNOxing the flue gas, which is used, for example, to heat an air preheater, is often employed for this purpose. Residues of a reducing agent react with unconverted sulfur oxide and form a substance which damages the air preheater. To suppress this reaction, there is provided a first mixer for more uniformly mixing the flue gas with the reducing agent downstream of the catalytic converter, as seen in the direction of flow.
Patent KR-20030059857-A (KR)
Inventor: CHOI JUN
IPC: B04C5/04
Filed: 2002-01-03
Abstract: PURPOSE: Provided is a cyclone dust collector which forms a second separator at upper side of a releasing hole to separate minute dusts, which are not separated within a cyclone so that it contributes to raise efficiency of the cyclone. CONSTITUTION: In the cyclone which is composed of an air suction hole(101) at upper side and a releasing pipe(102) for contaminant at lower side, the cyclone dust collector comprises the parts of: a connection pipe(201) which is placed at internal side of a cyclone body(1); an equipment tube(2) which is formed by projecting the upper side of a connection pipe(201) to external side of an air releasing hole(204); a rotation generation sheet(202) which is placed at inner wall of the equipment tube; and a dust releasing hole(203) and the air releasing hole which are formed at the center of a separation pipe(205).
Patent KR-20020023270-A (KR)
Inventor: RYU WON RYUL
IPC: C02F1/52
Filed: 2002-01-04
Abstract: PURPOSE: Provided is a method for eliminating colors and COD from dyeing wastewater by decolorization and coagulation using the complex of magnesium salts and iron salts. Also polymer is used as coagulant aids for solid-liquid separation. The method can decolorize efficiently without a decolorant and save initial costs for equipment. CONSTITUTION: The method to remove colors and COD proceeds to injecting dyeing wastewater with coagulants composed of magnesium salts and iron salts with the weight ratio of 1:1 and reacting the complex at pH 10-11 and settling solids. Magnesium salts and iron salts are used individually of magnesium chloride and iron chloride(II). The method can reduce from 2500 to 100 of color(96% of removal rate) and from 540 ppm to 250 ppm of COD(54% of removal rate).
Patent KR-20030062571-A (KR)
Title: Method for control cool air of refrigerator using to infrared rays sensor
Inventor: CHO SEONG HO
IPC: F25D11/00
Filed: 2002-01-17
Abstract: PURPOSE: A cold air control method of a refrigerator using an infrared sensor is provided to improve the performance of the refrigerator by keeping temperature distribution uniform with detecting temperature of objects and discharging cool air to the high temperature object. CONSTITUTION: A moving body rotates in a moving body case at the predetermined time(200), and temperature of the object in a refrigerating compartment is detected by using an infrared sensor installed in the moving body(210). The temperature of the object is compared with the predetermined temperature of the refrigerating compartment(220). Discharge of cool air is stopped in case of the measured temperature of the object to be less than the predetermined temperature, and cool air from a cool air discharge port is discharged to cool the object to the predetermined value in case of the measured temperature to be over the predetermined temperature(230,240). Cold air from the cool air discharge port is shut off in lowering the temperature of the object to the predetermined value(250).
Patent KR-20030024537-A (KR)
Title: Oxygen liquefying apparatus in water
Inventor: KIM JAE OK
IPC: C02F1/74
Filed: 2002-01-19
Abstract: PURPOSE: An apparatus for dissolving oxygen into drinking water is provided to supply water useful to the human body by dissolving a large amount of oxygen into living water such as potable water or water for showering. CONSTITUTION: In an apparatus for dissolving oxygen into drinking water comprising filters(10) for filtering foreign materials from water supplied, discharge line(30) installed in rear of the filters(10) to discharge purified water to the outside, compressor(40) for supplying high pressurized air, gas separation part(45) connected to the compressor(40) to separate oxygen from the supplied air, and oxygen supply nozzles(50,55) connected to the gas separation part(45) to supply oxygen into the purified water, the apparatus comprises pipe reduction part(33) installed inside the discharge line(30) to reduce inner diameter of the discharge line(30), and vortex forming part(35) installed in rear of the pipe reduction part(33) to rapidly increase the inner diameter of the discharge line(30), wherein the oxygen supply nozzle(55) is connected to the pipe reduction part(33) or vortex forming part(35), wherein the apparatus further comprises mixing part(39) on the inner circumferential surface of which a plurality of prominence and depression(38) are formed in rear of the vortex forming part(35), a tank(25) installed between the filters(10) and the discharge line(30) to store water purified by the filters(10), the other oxygen supply nozzle(50) installed at the lower part of the tank(25) and connected to the gas separation part(45), a diaphragm(65) horizontally installed inside the tank(25) in the upper part of the oxygen supply nozzle(50), and on the upper part of which a concave oxygen residence part(67) is formed.
Patent KR-20020013954-A (KR)
Inventor: KIM GWON HUI
IPC: H04B1/38
Filed: 2002-01-29
Abstract: PURPOSE: A receiving system of a mobile communication unit is provided to sense a receiving state by stimulating a human body by means of an auxiliary receiver of an accessary directly contacting the human body of a user that is rendered to be vibrated when the user fails to sense the reception state due to a surrounding condition. CONSTITUTION: A terminal main body(10), which substantially makes a phone call, includes a communicating unit(11), a receiving unit(12) and function keys(13) provided at a front side. A transmitter(20) is provided on the terminal main body(10), connected to the receiving unit(12) by circuit, and amplifies a reception signal to transmit it within a certain distance. The transmitter(20) is operated when a reception signal is not sensed by the receiving unit(12) for a certain time. An auxiliary receiver(30) receives a signal from the transmitter(20) and stimulates a human body, that is, a user. The auxiliary receiver(30) is preferably mounted at an accessory that is able to stimulate the user's body.
Patent KR-20030065250-A (KR)
Inventor: LEE SANG HA
IPC: F04F3/00
Filed: 2002-01-30
Abstract: PURPOSE: A method for pumping water from a lower place into a higher place is provided to effectively pump into the higher place by using relatively low driving force through utilizing vacuum force. CONSTITUTION: Water is contained in a lower water tank(1) positioned laced at a lower place. Valves(6,7) are provided to allow air to be introduced/discharged into/from a water pumping system. A valve(2) is installed in a pipe line positioned adjacent to the lower water tank(1). When the valve(2) is opened, water contained in the lower water tank(1) is pumped into a higher water tank(3). When a propeller or a vacuum pump is operated, air contained in the higher water tank(3) is discharged to an exterior through a valve(5). When pressure in the higher water tank(3) reaches zero atmospheric pressure, the valve(5) is closed and the vacuum pump is stopped, so air is prevented from being introduced into the water pumping system.
Patent KR-20030067407-A (KR)
Title: A Method for responsing error of a received control information
Inventor: AHN JUN GI
IPC: H04L1/16
Filed: 2002-02-08
Abstract: PURPOSE: A method for responding to an error of received control information is provided to confirm a state of a system through the control information before transmitting packet data, and to transmit the packet data, thereby increasing reliability of transmission data and stabilizing the system by reducing unnecessary processing procedures. CONSTITUTION: A transmitting end transmits control information to a receiving end(81). The receiving end confirms whether the transmitted control information is a self ID or the control information has an error(82). If the error does not exist, the receiving end receives packet data(83). If the received packet data has an error, the receiving end transmits an 'Nack' signal to the transmitting end(84,85). If the received packet data does not have the error, the receiving end transmits an 'Ack' signal to the transmitting end(84,87). The receiving end confirms whether the control information is the self ID or the control information has the error(82), and transmits no response signal or the 'Nack' signal to the transmitting end according to an error type(86).
Patent KR-20030072799-A (KR)
Inventor: CHOI JEONG PIL
IPC: G09G3/292
Filed: 2002-03-06
Abstract: PURPOSE: A method and an apparatus for driving a plasma display panel are provided to prevent a mis-discharge phenomenon by boosting a scan electrode voltage or a common sustain electrode voltage according to a reverse scanning order during an address period. CONSTITUTION: A voltage applied to one of a scan electrode and a sustain electrode is boosted according to a reverse scanning order during a scanning period under the environment of the high temperature. An address discharge process is performed to select a cell between the scan electrode and an address electrode by supplying data to the address electrode. The high temperature is about 50 degrees centigrade. In the boosting process, the voltage applied to the sustain electrode is linearly boosted according to the reverse scanning order.
Patent KR-20030072908-A (KR)
Title: Heating system for fuel cell and control method thereof
Inventor: HUH SEONG GEUN
IPC: H01M8/04
Filed: 2002-03-07
Abstract: PURPOSE: Provided are a heat utilization system of fuel cell which increases an energy utilization by utilizing heat contained in exhaust gas emitting from reformer, and a method for controlling the same. CONSTITUTION: The system comprises a fuel cell system(3) comprising a reformer(1) which forms hydrogen from fed fuel, and a stack(2) having cathode, anode and electrolyte, wherein the electrolyte is positioned between the cathode and the anode, a hydrogen formed in the reformer(1) or a fuel comprising the hydrogen is fed into the cathode, and an oxygen or an oxidant comprising the oxygen is fed into the anode, thereby generating an electricity and a heat by electrochemical reaction of the hydrogen and oxygen; and an exhaust line(4) which guides an exhaust gas generated in the fuel cell system, and has a hot water generator(10) for heating a water by using the exhaust gas.
Patent KR-20020071789-A (KR)
Inventor: SON HYUNG MO
IPC: F16K47/02
Filed: 2002-03-22
Abstract: PURPOSE: A check valve is provided to prevent noise from the check valve in opening and closing a pipe, to improve sealing efficiency, and to reduce wear and deposit of foreign material by improving surface contact of the check valve. CONSTITUTION: A check valve is composed of a valve body(30) combined with a pipe with flowing fluid; an opening unit(45) opening and closing a passage; a spring(43) closing the opening unit; and a spring supporting unit(41) fixed in the valve body to support the spring. A spherical surface is formed in the valve opening unit. A valve opening unit is formed with overlapping a main metal seat(470) and an auxiliary resin seat(472). Sealing is performed with linearly and doubly contacting the seat and the valve opening unit. Sealing efficiency is improved against repetition by linearly contacting the valve opening unit to the valve seat. Noise and flow resistance are reduced, and deposit of impurities is prevented.
Patent KR-20020076131-A (KR)
Inventor: SEKI TOMONORI
IPC: H01H59/00
Filed: 2002-03-25
Abstract: PURPOSE: To obtain the suitable contact separation force excellent in a high frequency characteristic with a simple and small-size structure that can be easily manufactured with low cost. CONSTITUTION: Signal lines 5a, 5b formed on a fixed substrate 1 are arranged on the same line. A movable substrate 2 is elastically supported on the fixed substrate 1 through a beam part 11 arranged in two places of point symmetry positions by using a movable contact 16 as a center point. The part facing to the signal lines 5a, 5b is removed from the movable substrate 2. The movable contact is elastically supported on two places orthogonal to the line where the signal lines 5a, 5b are arranged as well as not facing to the signal lines 5a, 5b. A pair of projections 17 are formed in point symmetry to the movable contact 16 as a center on a position attaching to either of the substrates 1, 2 that faces first.
Patent KR-20030083188-A (KR)
Title: Inlet Panel's Structure of Air Conditioner
Inventor: PARK IN HUI
IPC: F24F1/00
Filed: 2002-04-19
Abstract: PURPOSE: A structure of a suction panel of an air conditioner is provided to allow a user to easily check working status of the air conditioner. CONSTITUTION: A suction panel comprises an inside plate(320) having a display unit(400) mounted on a rear side thereof; and an outside plate(310) joined to a front side of the inside plate. The inside plate includes an exposing hole(322) exposing a front side of the display unit. A thin film(321) is applied on the front side of the inside plate to reflect light. The thin film comprises metal group including metal with high reflectivity, alloys and silicide such as silver, aluminum, titanium, chrome, tungsten and molybdenum. The outside plate is joined to the front side of the inside plate, and made of transparent material such as tempered glass or synthetic resins allowing light to permeate and having excellent durability to allow the user to check information output by the display unit through the transparent outside plate forming a front side of the suction panel. The thin film reflects light through the outside plate to enhance appearance.
Patent KR-20030084474-A (KR)
Inventor: AHN CHUNG UNG
IPC: A01G1/00
Filed: 2002-04-27
Abstract: PURPOSE: Provided is a cultivating method of green bean sprouts which contain chlorophyll, has no hairy roots and improved mouth feeling and contains abundant nutrients. CONSTITUTION: A cultivating method of green bean sprouts is characterized by the steps of: making a furrow to regulate the strength of a ray of light incident and having the bottom consisted of hardened soil and the wall composed of bricks in a vinyl house; covering the furrow with new soil into a depth of 3cm; placing beans soaked in water thereon; covering the beans with sand into a depth of 2-3cm and watering them; removing the sand when the beans grow up 3-4cm and watering them; spreading 6-benzylaminopurine, then a mixed solution of indol-3-yl acetic acid and 6-benzylaminopurine to the beans; spreading 6-benzylaminopurine when the beans grow up 7-8cm; and collecting them when they grow up 12-18cm.
Patent KR-20020060634-A (KR)
Inventor: CHO HYEON SAM
IPC: C23C30/00
Filed: 2002-05-01
Abstract: PURPOSE: A manufacturing method of a polycrystalline tool having PCD/PCBN(polycrystalline diamond/polycrystalline cubic boron nitride) is provided to reduce stress, and to prevent penetration of cobalt by creasing a substrate or rounding a protrusion. CONSTITUTION: A polycrystalline tool is composed of an outer processing layer(140) having a polycrystalline formed body(138) including polycrystalline material made of PCD or PCBN; a substrate(134) supporting the outer processing layer, and having first and second sides and plural protrusion parts(150) in the first side; and an intermediate layer(144) having a first side combined with the substrate and a second side combined with the outer processing layer. The intermediate layer is arranged between the outer processing layer and the substrate, and composed of polycrystalline material of 70w% and a bonding agent of 30w%. Wear is minimized with preventing penetration of cobalt, and forming of fine holes is reduced with restricting movement of cobalt.