baber/WOPTO huggingface dataset:
Patent KR-20000022008-A (KR)
Title: Atmosphere level water gauge
Inventor: YAMADA EWAO
IPC: G01F23/14
Filed: 1998-11-30
Abstract: PURPOSE: An atmosphere level water gauge is provided to be simply used by installing an air supply tube, a pump, a check valve, and a pressure sensor to a tank. CONSTITUTION: A terminal case(6) into which a pump(12) and a pressure sensor(15) are inserted is formed. An air supply tube(2) charges an air to the inside. A suction tube(22) is installed to the terminal case(6). The suction tube(22) penetrates side surface of the terminal case(6) and is connected to the pump(12) in the terminal case(6). A packing is installed between the suction tube(22) and the terminal case(6). The pump(12) is connected to air supply tube(2) through a check valve(14) and is operated by a rotation force of a pulse motor(11). A control board(50) is installed in the terminal case(6). A terminal block(46) is installed in the terminal case(6). A displayer(17) is installed in a control chamber(1) for displaying a tank level by an electric signal transmitted from the control board(50).
Patent KR-19990062806-A (KR)
Title: 액체 토출 헤드, 액체 토출 헤드 제조 방법, 헤드카트리지 및 액체 토출 장치
IPC: B41J2/05
Filed: 1998-12-04
Abstract: 본 발명은, 잉크 액적을 토출하는 복수의 잉크 토출 포트를 포함하는 상부판과, 상기 복수의 잉크 토출 포트에 대응하여 잉크를 공급하는 복수의 제1 액체 통로와, 이 제1 액체 통로에 잉크를 공급하는 공통 액실과, 상기 제1 액체 통로에 인접 설치되는 제2 액체 통로를 형성함으로써 얻어지며 잉크 토출 포트가 잉크 액적을 토출하는 복수의 발열 소자가 배치되는 기판 상의 기포 발생 영역을 포함하고  발열 소자를 구동하는 드라이버를 포함하는 액체 토출 헤드 기판과, 제1 액체 통로와 제2 액체 통로를 서로로부터 완전히 분리시키며 발열 소자 상에 생성되는 기포에 의해 변위 가능한 가동 격막을 포함하는 액체 토출 헤드를 제조하는 방법으로서, 가동 격막을 고정시키는 부분이 피복되는 방식으로 가동 격막을 마련하는 가동 격막 형성 단계를 포함하는 방법을 제공한다.  본 발명은 또한 이와 같은 액체 토출 헤드와, 이 액체 토출 헤드를 갖는 액체 토출 장치를 제공한다.
Patent KR-19990063072-A (KR)
IPC: H04W88/02
Filed: 1998-12-15
Abstract: 중간주파수신호는 가변이득회로(108), 능동필터회로(109), 그리고 리미터회로(111)를 통하여 복조신호처리회로(120)에 공급된다.    수신된 신호레벨에 응답하여 RSSI(Receiving Signal Strength Indicator)출력신호는 리미터회로(111)의 각 단의 출력을 검출회로(112)에서 검출하고, 검출회로(112)의 출력을 가산기(113)에서 가산함으로써 저역통과필터(114)를 통하여 얻어진다.    수신된 신호레벨에 응답하여 RSSI출력신호의 선형성은 계수승산기(115)를 통하여 능동필터회로(109)에 입력된 신호를 제한하는 가변이득회로(108)의 제어신호를 검출하는 레벨검출회로(112)의 제어신호를 가산기(113)에 공급함으로써 향상된다.
Patent KR-20000039754-A (KR)
Title: Device and method for preventing strip from twisting on swash milling process
Inventor: MIN GYEONG JUN
IPC: B21B37/00
Filed: 1998-12-15
Abstract: PURPOSE: A method is provided to prevent the head and the tail end of a strip from twisting caused by collision with a side guide placed near the input and output of a milling stand. CONSTITUTION: In advancing a strip(S) to a front milling stand, the measurer of a swash milling stand group(10) measures initial swash amount. A swash predictor(33) calculates swash amount in a rail end stand based on the measured swash amount. Based on the predicted swash amount, a position controller(34) sets a side guide for preventing collision with the strip. According to the command of the position controller, a side guide mover moves the side guide to the set position before the head and the tail end of the strip reach to the position.
Patent KR-20000040888-A (KR)
Title: Apparatus for notifying exchange time of battery in remote controller
Inventor: PARK JEONG SOON
IPC: H04Q9/00
Filed: 1998-12-21
Abstract: PURPOSE: An apparatus for notifying the exchange time of a battery in a remote controller is provided to allow a user to recognize the exchange time thereof easily, by controlling a state of lighting in a mode display unit which informs an operation mode selected currently in a television(TV) connected to a video tape recorder(VTR) and a cable. CONSTITUTION: An operation mode display unit(10) displays the operation modes of the TV, VTR and cable. A part(20) searches the functions which can be performed currently in a remote controller(REMOCON IC), and thereby recognizes the operation mode that is selected currently, and outputs a control signal to the operation mode display unit(10) so that the current operation mode can be displayed. A drive voltage detector(30) detects a level of a drive voltage(Vcc) supplied to the remote controller(REMOCON IC), and compares the drive voltage(Vcc) with a reference voltage. The drive voltage detector(30) reports to the operation mode display unit(10) that the drive voltage(Vcc) is less than the reference voltage, so that this state can be displayed by the display unit(10). A control signal output part(40) outputs an infrared signal for controlling the operation of the TV.
Patent KR-20000041322-A (KR)
Title: Via contact forming method of semiconductor device
Inventor: PARK JI SUN
IPC: H01L21/28
Filed: 1998-12-22
Abstract: PURPOSE: A via contact forming method of a semiconductor device is to form a TiAl3 layer in an aluminium circuit layer for preventing from forming an AlFx in the circuit layer to improve an electrical characteristics of the semiconductor device. CONSTITUTION: A method for forming a via contact comprises the steps of: forming a substance layer, which is not reacted with a gas having fluoride group, in a conductive layer functioning as a base circuit layer; depositing an interlayer insulating layer(16) on the base circuit layer, and forming a via contact hole for a via contact(24) on a part of the interlayer insulating layer; and depositing a tungsten on the via contact hole to form the via contact, the base circuit layer being an aluminium layer(10), and the substance layer being a TiAl3 layer(12).
Patent KR-20000044522-A (KR)
Title: Method for controlling bocoder parameter
Inventor: CHO JUN WOO
IPC: H04L29/00
Filed: 1998-12-30
Abstract: PURPOSE: A vocoder parameter controlling method is provided to seize a network state by monitoring a network in a real time, and to control a vocoder parameter so as to be optimized to a network status varied in a real time. CONSTITUTION: In a vocoder parameter controlling method, if a packet is received(300), a network monitor monitors a network state(310), and judges and extracts a case according the network state(320). An optimum deduction part performs a weight object function according to the extracted case(330). A vocoder parameter controller controls an RTP/RTCP encoder so as to transfer an encoded packet according to a frame size by the obtained vocoder parameter(340). A vocoder parameter controller jitter-buffers a decoding packet according to a jitter buffer size by the obtained vocoder parameter(350). Whether the network state is good is judged(360). If so, a silence suppression disable is executed(370). If not, a silence suppression enable is executed(380), and then a packet is transferred(390).
Patent KR-20000044859-A (KR)
Title: Method for forming metal wire in semiconductor device
Inventor: YOON GYUNG RYEOL
IPC: H01L21/768
Filed: 1998-12-30
Abstract: PURPOSE: A method for forming a metal wire in a semiconductor element is provided to improve the reliance of the metal wire by forming an aluminum wire layer through a metal-organic CVD process and by depositing a copper on the aluminum layer through a PVD process. CONSTITUTION: A semiconductor substrate(21) formed with an insulation film(22) having a contact hole(25) is provided. Then, a metal layer(27A) and an adhesive layer(27) are formed on the insulation film(22). A copper layer(27B) is formed on the metal layer(27A). A heat treatment process for forming a solid solution by penetrating a copper ion of the copper layer(27B) into the metal layer(27A) is performed to form a metal layer containing copper. By patterning the metal layer, a metal-copper wire line is formed.
Patent KR-19990044084-A (KR)
Title: 블렌드된 중합체 겔 전해질
IPC: H01M50/497
Filed: 1996-08-20
Abstract: 전해질 시스템 (40)은 전기화학 전지 (10)에 사용된다. 전지 (10)은 양극 (20) 및 음극 (30) 및 이들 사이에 배치된 전해질 시스템 (40)을 포함한다.  전해질 시스템은 수성이거나 비수성일 수 있는 액체 전해질 물질 및 블렌드된 중합체 겔 전해질 지지 구조물을 포함하는 블렌드 중합체 겔 전해질 시스템이다.  블렌드 중합체 겔 전해질 지지 구조물은 1 종 이상의 전해질 활성 물질을 흡수하거나, 포획하는 제 1 상 및 실질적으로 불활성이고 전해질 활성 물질을 흡수하지 않는 제 2 상을 포함한다.  제 2 상은 분리되어 전해질 활성 물질의 존재하에 겔 전해질의 팽윤을 감소시킬 수 있고 지지 구조물의 기계적 일체성을 추가로 증진시킬 수 있다.
Patent KR-20000065036-A (KR)
Title: 화학 반응에 의한 입자 생성 장치 및 방법
IPC: B01J19/08
Filed: 1998-02-06
Abstract: 본 발명에 따른 장치는 방사선 빔에 의해 유도되는 가스상 화학 반응으로부터 입자, 바람직하게는 나노입자를 생성시킨다.  본 장치는 방사선을 도입시키는 창(242)과 긴 반응물 유입구(164)가 구비된 반응 챔버(102)를 포함하며, 상기 반응 챔버는 일반적으로 반응물 유입구의 긴 형태와 합치하도록 형성되어 있다.  반응성 가스 및 생성 입자들이 챔버의 벽 및 광학 소자와 부딪히는 것을 방지하기 위하여 반응물 스트림의 양 측면에 불활성 가스 덮개층을 형성하도록 차폐 가스가 도입될 수 있다(196).  본 장치는 반응물의 방출을 모니터하는 고온계(302), 입자 크기 분석기(400) 및 컴퓨터(108)를 추가로 포함할 수 있다.  압력 센서(304)가 구비된 피드백 루프가 반응 챔버 내의 원하는 압력을 유지하도록 사용될 수 있다.
Patent KR-20000016191-A (KR)
Title: Novel pyrrole derivatives
Inventor: GALEAZZI TOSCANI EDVIGE
IPC: C07D401/12
Filed: 1997-05-21
Abstract: PURPOSE: 5-aroilpyrrole-2-ilmethylaren derivative, a pharmaceutic composition thereof, an application thereof, and a manufacturing method for the compound are provided. CONSTITUTION: Compounds of formula (I) where R10 is represented by formulae (A), (B), or(C); R20 is represented by formulae (U), (V), or (W); and the other substituents are as defined in the specification; and their pharmaceutically acceptable salts; are inhibitors of prostaglandin G/H synthase and are anti-inflammatory and analgesic agents.
Patent KR-20000016826-A (KR)
Inventor: TABUCHI KUNIHIRO
IPC: A61F13/15
Filed: 1999-01-29
Abstract: PURPOSE: A sanitary napkin article is provided to prevent itself from sliding while using it without needing the paper strip for reducing the amount of waste matters and the material cost. CONSTITUTION: The manufacturing device of a sanitary napkin article includes:a surface material-sheet-adhesive agent painting unit(20) consisting of a nozzle and painting an adhesive agent(4D) on a surface material sheet(4S); an absorbing substance cutting unit(30) including a free revolution anvil roller(31) and a die-cutting roller(32) as a couple; a lining-sheet-adhesive agent painting unit(40); a polymerization unit(50) including a couple of rollers(51); a heating seal unit(60) including a couple of anvil rollers(61) and a heating seal roller(62) to control the heating seal temperature to be proper for various materials of sanitary napkin sheet(1S); and a sanitary napkin cutting unit(70).
Patent KR-20000034796-A (KR)
Inventor: KIM DAE YONG
IPC: C08L75/04
Filed: 1999-02-10
Abstract: PURPOSE: A polyurethane resin composition for a mid sole is provided which has low density of a mid sole being 0.20-0.30 g/cc and excellent physical properties thereof. CONSTITUTION: A polyurethane resin composition comprises a polyol mixture which comprises 80-90 wt% of polyols, 0.5-2.5 wt% of water, 0.1-5.0 wt% of an expandable micro spherical organic filler, and a prepolymer containing terminal of isocyanate groups. Preferably the polyols consist of 80-100 wt% of polyester polyol and 0-20 wt% of polyether polyol, of which functionality is 1.8-5 each, the average functionality of the mixture is 2.0-2.5, and the average molecular weight of the polyols is 500-5,000. The reactivity ratio (a molar ratio of -NCO/-OH) of the prepolymer and the polyols mixture is 0.90-1.1, and the expandable micro spherical organic filler is one that the shell consisting of a copolymer of acrylonitrile and vinylidene chloride, surrounds isobutane.
Patent KR-20000055807-A (KR)
Inventor: CHOI MYUNG
IPC: A63B69/36
Filed: 1999-02-10
Abstract: PURPOSE: A golf ball dispensing device which can place a golf ball on a tee or mat to practice tee shot or second shot automatically by simple operation without using electricity or electric device, thus can help to save electricity, reduce noises and simplify the structure thereof is provided. CONSTITUTION: A golf ball dispensing device is characterized by comprising: a guide shoot(6) which provides a passage for a golf ball to be delivered from a hopper(4) containing a plurality of goal balls to lower part; an exit shoot(8) drawing out the golf ball delivered from the guide shoot(6) to a tee(T) or mat; a stopper means(10) which stops transfer of the golf ball at the border between the guide shoot(6) and the exit shoot(8); a golf ball lifting means(12) which helps the halted golf ball to be escaped from the stopper means, and; a tee guide member(9) to place a golf ball drawn out from the exit shoot.
Patent KR-19990077570-A (KR)
Title: 인산이온함유배수의처리방법
IPC: C02F1/463
Filed: 1999-03-04
Abstract: 인산이온의 제거효율을 장기간 고효율로 유지시킬 수 있는 인산이온함유 배수의 처리방법을 제공한다. 
     철 및 알루미늄 중, 적어도 한쪽을 함유하는 전극을 사용해서 인산이온을 함유하는 배수(排水)중에 철이온 및 알루미늄이온 중의 적어도 한쪽을 전기화학적으로 용출시켜, 인산이온을 철 및 알루미늄 중, 적어도 한쪽과의 불용성염의 형태로 응집침전시키는 배수의 처리방법으로서, 배수처리장치에 배치되는 전해탱크에 유입되는 인의 농도에 대한 용출금속의 몰비가 1∼4가 되도록 전류를 제어한다.
Patent KR-20000060085-A (KR)
Inventor: HONG SEONG RYONG
IPC: H04N7/015
Filed: 1999-03-11
Abstract: PURPOSE: A clock recovering device for a digital TV is provided to minimize a jitter of a system clock during recovering a symbol clock in a VSB(Vestigial Side Band) system or QAM(Quadrature Amplitude Modulation) system. CONSTITUTION: A clock recovering device for a digital TV(TeleVision) includes a first decimate portion(104), a second decimate portion(108), a voltage controlled oscillation portion(113), a third filter(105), a fourth filter(109), a gardner timing error detect portion(110), a lock detect portion(111), and a loop filter(112). The third filter filters a domain for detecting a zero-crossing of a signal of the first decimate portion. The fourth filter filters another domain for detecting a zero-crossing of a signal of the second decimate portion. The gardner timing error detect portion detects a timing error of the zero-crossing of the signals output from the first and second filters. The lock detect portion performs a gear shifting by adjusting a size of a loop bandwidth. The loop filter filters a loop bandwidth of a signal output from the gardner timing error detect portion in response to a signal of the lock detect portion, and transfers the filtered signal to the voltage controlled oscillation portion.
Patent KR-20000060807-A (KR)
Inventor: BAEK SE HWAN
IPC: G01N33/68
Filed: 1999-03-19
Abstract: PURPOSE: An apparatus for measuring the concentration of cholesterol in blood lipoprotein and its method are provided, without the optional test system and the pretreating of sample. CONSTITUTION: The method comprises the steps of capturing and separating specific lipoproteins by using an antibody which is specifically adhered to and selected antigen; and generating the development signal proportional to the cholesterol concentration of uncaptured specific lipoproteins enzymologically. The apparatus is provided with a measurement device (1) which comprises an antibody pad member (100) which transmits specific lipoprotein selectively and separates it: an enzyme degradation pad member (200) which degrades the specific lipoprotein selectively transmitted to generate cholesterol, degrades the cholesterol and provides the coloring material; a signal generation pad member (300) which reacts with the degraded product and the coloring material to display the intensity proportional to the cholesterol concentration; and an absorption pad member (400).
Patent KR-19990083093-A (KR)
IPC: G01R31/28
Filed: 1999-04-09
Abstract: (과제) 전기부품을 효율적으로 검사할 수 있는 전기부품 검사용 소켓을 제공하는 것. 
     (해결수단) 콘택트부재 (34) 및 이 콘택트부재 (34) 의 배면측을 지지하는 탄성지지체 (35) 를 구비하는 고정부재 (28) 와, 전기부품 (1) 의 배면측을 누르는 누름부재 (41) 를 구비하며, 이 누름부재 (41) 가 탄성지지체 (35) 와 접촉·이격하도록 고정부재 (28) 에 대하여 이동가능하게 부착된 가동부재 (40) 를 구비한 접촉유니트 (25) 와, 복수의 접촉유니트 (25) 가 부착되는 고정기판 (11) 과, 평상시에는 콘택트부재 (34) 와 누름부재 (41) 사이에 전기부품 (1) 의 전극부 (4) 를 삽입할 수 있도록 개방상태를 유지하는 퇴피위치에 위치하고, 검사시에는 전기부품 (1) 의 전극부 (4) 에 대하여 상기 콘택트부재 (34) 의 접촉자를 소정의 접촉압력으로 접촉시키는 접촉상태를 유지하는 진입위치에 위치하는 가동부재 이동수단 (60) 을 갖는 것을 특징으로 하고 있다.
Patent KR-20000066028-A (KR)
Inventor: SO JAE UNG
IPC: H04B1/40
Filed: 1999-04-12
Abstract: PURPOSE: A device for compensating transmission/reception signals using a loss compensation amplifier is provided to compensate losses of signals transceived in a low electric field, so that a call connection rate can be increased in the low electric field and a speech sensitivity can be improved. CONSTITUTION: If a forward signal is transmitted to a terminal party in a base station(100), a first antenna transceives the signal. A first duplexer(300) separatively transmits a signal transmitted through the first antenna and a signal transmitted to the base station from a terminal(200). A low noise amplifier(400) cancels noises of the signal from the first duplexer and amplifies the signal by a determined amplitude, to output a loss compensated signal. A first filtering circuit(500) receives the signal from the low noise amplifier and filters a signal of a desired band to output the filtered signal. If a second duplexer(600) separatively transmits the signal transmitted via the first filtering circuit and the signal from the terminal, the signal transmitted through the second duplexer is transmitted to the terminal via a second antenna(1100). If the second duplexer separatively transmits a reverse signal from the terminal, a second filtering circuit(700) separatively transmits the signal from the terminal and filters a frequency of a desired band to output the filtered frequency. A loss compensation amplifying circuit(800) receives the signal from the second filtering circuit and amplifies transmission signals lost in the low electric field by a determined amplitude.
Patent KR-20000067714-A (KR)
Inventor: KIM YEONG DAE
IPC: C23C10/28
Filed: 1999-04-27
Abstract: PURPOSE: A mechanical coating method is provided to prevent an accident by removing brittleness of hydrogen, and to obtain excellent evenness in coating. CONSTITUTION: A mechanical coating method includes the steps of measuring the weight of an object to be coated with a weight measuring instrument(1), putting the object with media such as glass beads and water in a rotary barrel(2), slowly rotating the barrel for removing foreign matters sticked to the surface of the object, separating the object and the media after draining water in the barrel with a separator(3), and drying the separated object in a belt type dryer(5).
Patent KR-20000073395-A (KR)
Inventor: AHN JAE GON
IPC: H01L21/8242
Filed: 1999-05-10
Abstract: PURPOSE: A method for increasing capacitance of a semiconductor memory device is provided to effectively increase the capacitance, by forming a rough surface of a storage electrode of a capacitor by a thermal process using an oxygen atom. CONSTITUTION: After a cell transistor is formed, an oxygen impurity layer is formed by injecting oxygen ions into the surface of a storage node pattern layer contacting an impurity region at a side of the cell transistor. An oxygen diffusion impurity layer is formed by precipitating oxygen ions of the oxygen impurity layer. Ar ions are injected into the storage node pattern layer having the oxygen diffusion impurity layer to have the oxygen diffusion impurity layer exposed to the surface so that a surface extension layer is formed. A part of the surface extension layer is eliminated to form a storage node(36) having a curved morphology of which the surface area is extended.
Patent KR-20000073839-A (KR)
Inventor: CHO SEON I
IPC: C08L7/00
Filed: 1999-05-14
Abstract: PURPOSE: The titled rubber composition by using liquid natural rubber prepared by thermal decomposition of natural rubber having the same molecular weight as synthetic rubber and a large molecular weight by development of a side chain in place of expensive synthetic rubber is provided which improves processability during manufacturing of tires. CONSTITUTION: The rubber composition comprises 100 parts by weight of a rubber component comprising 70 to 95% by weight of natural rubber, 5 to 30 parts by weight of liquid natural rubber, 40 to 80% by weight of carbon black, 1 to 5 parts by weight of stearic acid, 3 to 10 parts by weight of zinc oxide, 10 to 20 parts by weight of Durez as a reinforcing resin, 1 to 5 parts by weight of an antiaging agent, 1 to 5 parts by weight of a tackifier, 1 to 10 parts by weight of oil, 1 to 5 parts by weight of an adhesive, 1 to 2 parts by weight of a vulcanization accelerator, 1 to 5 parts by weight of sulfur and 0.1 to 1 parts by weight of a vulcanization retarder. The composition has improved crack resistance and fatigue resistance and exhibits no special different physical properties from the rubber using synthetic isoprene rubber.
Patent KR-20000011280-A (KR)
Inventor: KARNER WILHELM
IPC: C25D7/06
Filed: 1999-06-08
Abstract: PURPOSE: The aim is to provide a manufacturing method of electrolytic coated hot rolled steel strip that the method is characterized by combining of pickling part and coating part containing electrolytic pickling cell. CONSTITUTION: Non-treated hot rolled steel strip is supplied into chemical pickling part(2) consisted with two pickling chambers(3,4). Fresh acid(5) is added into the pickling part which is strip outlet. Used acid(6) is exhausted from steel strip inlet and is brought to acid cleaning step. Waste pickling solution(8) is brought to recycling apparatus. After chemical pickling(2), steel strip is cleaned in cleaning part to remove remaining acid of steel strip. The steel strip is supplied into electrolytic cell(10) to be coated. Coated steel strip(11) leaves the apparatus and winded. Electrolyte(12) is supplied from electrolytic part(13). Iron sulfuric compound or iron chloride compound solution(14) produced from pickling process can be used after through acid cleaning step(7) and Zn is supplemented.
Patent KR-20000006215-A (KR)
Inventor: OZAKIYASTAKA
IPC: G01N33/00
Filed: 1999-06-16
Abstract: PURPOSE: CO sensor and method of fabricating the same is provided to prevent that the CO sensor resistance increase as a time and to increase the dependence of CO concentration of CO sensor resistance. CONSTITUTION: In the CO sensor, CO sensor using SnO2 group oxide semiconductor is agglomerated, Ir and Pt is added with weight rate 1-1/5. a mixing solution of Ir and Pt is impregnated and dissolve through pyrolysis, and added. An aqueous solution containing a thio component is impregnated in SnO2 sinter. The thio component is added in the SnO2 sinter. Temperature-humidity dependency of the CO sensor is controlled, and dependency of the CO concentration is increased.
Patent KR-20010002672-A (KR)
Inventor: HUH TAE SU
IPC: G11B20/00
Filed: 1999-06-16
Abstract: PURPOSE: A visual system for a car audio is provided to set an initial image on a screen when operating the car audio visual system by connecting a data transmitting/receiving part to an external device with cable or radio. CONSTITUTION: The visual system for a car audio includes following units. A data transmitting/receiving unit(1) transmits and receives data through an external device and a RS-232C terminal. A video decoder(3) receives image data of a video CD or a VTR. A data converter(5) changes data transmitted and received through the data transmitting/receiving unit(1) and image data being inputted from the video decoder(3) into a predetermined graphic data format. A flash memory(7) can store and cancel the data changed by the data converter(5). A video memory(9) stores temporarily data corresponding to one screen of a display device. A video signal processing device(11) outputs a graphic signal having formations of Y.G.B and a composite to the video memory(9).
Patent KR-20010002696-A (KR)
Inventor: LEE CHAN BONG
IPC: B24D3/00
Filed: 1999-06-16
Abstract: PURPOSE: A polishing pad having a minute polymeric microelement bundle of cellular tissue structure and a manufacturing method thereof are provided to collect efficiently and fix slurry particles through an opened part of polymeric microelements, so that the efficiency of polishing is improved and the time for work is reduced. CONSTITUTION: In a polishing pad, a polymeric microelement is formed in a bundle of a minute polymeric microelement(36), and a large quantity of polymeric microelements are impregnated in a polymeric matrix(32) in which urethane and hardener are mixed. The part of a minute polymeric microelement bundle(34) exposed to a surface course of the polymeric matrix by grinding forms the cellular tissue structure, so that the collection and the transmission of slurry are facilitated. The size of the minute polymeric microelement bundle is 10-300μm.