baber/WOPTO huggingface dataset:
Patent KR-19990066740-A (KR)
Title: 수중오염방지제 및 이 수중오염방지제를 함유하는 오염방지도료
IPC: C09D5/16
Filed: 1998-08-14
Abstract: 수중오염방지제는 유효성분으로서 헥사시아노 화합물, 바람직하게는 헥사시아노철산염을 포함한다.  오염방지제는 오염방지도료의 조제에 유용하다.
Patent KR-20000014642-A (KR)
Title: Power converter for elevator
Inventor: LEE GEUN HO
IPC: B66B7/00
Filed: 1998-08-22
Abstract: PURPOSE: A power converter for an elevator is provided to reduce the whole costs by being able to show an excellent control efficiency of the converter, and to show the efficiency of the converter without a separate transformer till a specific range though the size of the power voltage is difference according to an area. CONSTITUTION: The power converter for an elevator to be operated in high efficiency without a separate transformer for the power specification according to an area by comprising: a main contactor(16) contacted on an angle of three-phase power; resistances(R1 ¯ R3) for charging contacted in the main contactor(16) each in parallel; a direct voltage detector(5a) to detect if the main contactor(16) is the off state by a common power controller(7) and by a common power limit establishing unit(8) of a controller(300), and to detect a direct voltage; an invalid component current signal generator(18) to generate an invalid power according to the size of the detected direct voltage.
Patent KR-20000015050-A (KR)
Title: Frame relay access device
Inventor: PARK CHEOL HAN
IPC: H04L29/06
Filed: 1998-08-26
Abstract: PURPOSE: The access device is to support IOC(Input Output Control) Protocol when frame relay network is built up as information highway network. CONSTITUTION: In a frame relay access device wherein communication between a host(6) of computing center or local center(4) and terminal and an ATM(5) of small business shop is possible through a frame relay network(11) of frame relay 1.2 Kbps - T1/E1, it comprises flash memory for application and flash memory for device construction of processing section to accommodate IOC Protocol by use of V.35 and V.24 serial port input/output module of input/output section in a frame relay access device(9, 12). The frame relay access device is arranged between a BP(Branch Processor)(8) and a frame relay switch(10) while the frame relay access device is arranged in fore end of a MBC(Multi-branch controller)(13). Thus, it can build up an information highway network f bank as frame relay network while maintaining advantage of prior bank assets and frame relay network by accomplishing effective communication between branch processor and bank terminal.
Patent KR-19990023984-A (KR)
Title: 반도체 기억 장치의 출력 회로
IPC: H01L27/06
Filed: 1998-08-28
Abstract: 반도체 메모리 장치의 출력 회로가 제공되는데, 이는 ON-ON 상태로 인해 출력 트랜지스터들의 쌍을 통해 전류가 흐르는 것을 방지한다.   이러한 출력 회로는 (a) 제1 및 제2 상보형 판독-버스 데이터 신호를 수신하고 이를 전송-게이트 제어 신호에 따라 전송하기 위한 제1 및 제2 전송 게이트, (b) 제1 및 제2 노드에 각각 전송된 제1 및 제2 판독-버스 데이터 신호를 래칭하기 위한 제1 및 제2 래치, (c) 동일한 전위로 제1 및 제2 노드를 프리차지하기 위한 프리차지 신호를 발생하기 위한 프리차지 신호 발생기, (d) 각각 제1 및 제2 노드에서 래치된 제1 및 제2 판독-버스 데이터 신호에 따라 제1 및 제2 구동 신호를 출력하기 위한 제1 및 제2 트랜지스터 구동기, 및 (e) 각각 제1 및 제2 구동기로부터 출력된 제1 및 제2 구동 신호에 의해 구동된 제1 및 제2 상보형 출력 트랜지스터를 포함한다.   제1 및 제2 노드는 상보형 제1 및 제2 판독-버스 데이터 신호가 각각 제1 및 제2 전송 게이트에 의해 전송되고 제1 및 제2 노드에서 제1 및 제2 래치에 의해 래치되기 전에, 프리차지 신호에 의해 동일 전위로 각각 프리차지된다.
Patent KR-20000020913-A (KR)
Title: Tunable add/drop multiplexer using bidirectional optical wavelength demultiplexer
Inventor: KIM HYOUN SOO
IPC: H04B10/2581
Filed: 1998-09-24
Abstract: PURPOSE: A tunable add/drop multiplexer using a bidirectional optical wavelength demultiplexer is provided to use a smaller number of elements and, simultaneously, perform a function which adds and drops a wavelength. CONSTITUTION: A tunable add/drop multiplexer using a bidirectional optical wavelength demultiplexer adds and drops a light wavelength for an incident light which is multiplexed with a plurality of waves to output a light of a resultant wavelength. The tunable add/drop multiplexer using a bidirectional optical wavelength demultiplexer includes first and second light wavelength multiplexers and demultiplexers(41, 42), and an optic switch(43). The first light wavelength multiplexer and demultiplexer includes an input port, an output port, and a plurality of wave guide. The second light wavelength multiplexer and demultiplexer includes an additional port, a drop port, and a plurality of wave guides. The optic switch decides whether transfers a wavelength among wavelengths, which are respectively inputted through the input port and the additional port, to the output port or to the drop port. A light which is multiplexed with a plurality of wavelengths is inputted to the input port. The output port adds a light of a new wavelength and deletes a light of a predetermined wavelength, thereby offering an output a light multiplexed with resultant wavelengths. Lights of a specific wavelength are respectively inputted or offered an output by the plurality of wave guide. A light which is multiplexed with wavelengths to be added newly is inputted to the additional port.
Patent KR-20000027008-A (KR)
Title: Container for packaging
Inventor: JU HEE JUN
IPC: B65D85/00
Filed: 1998-10-26
Abstract: PURPOSE: A container for packaging is provided to re-put in a case after using content inside the container by rounding the upper face and the lower face of a cylindrical case using paper. CONSTITUTION: A container is composed of a case(100) putting various content inside, a first cap(200) opened and closed upward and downward by the selection of a user as rounding the upper face of the case, a second cap(300) opened and closed upward and downward by rounding the lower face of the case, a string(400) combined with one upper part and lower part of the case, a first fixing unit fixing the case and the string by combining with the upside of the case, and a second fixing unit(600) combining with the downside of the case. Therefore, when putting the second content into the case after using the first content, the first and the second cap are opened and closed.
Patent KR-20000031975-A (KR)
Title: Device for measuring packing volume of cushion for air bag
Inventor: PARK SEUNG MOK
IPC: G01F17/00
Filed: 1998-11-11
Abstract: PURPOSE: A device for measuring a volume of a cushion for an air bag is provided to safely retrain a passenger at an operation and to quickly decide a specification of components when a module is designed. CONSTITUTION: A measuring device of volume for an air bag comprises of: a system for collecting data (4) contacted in an input terminal of a personal computer(2); a load cell(6) contacted in the collecting system of data (4); and a measuring hole of cushion packing(8) contacted in the load cell(6). When the device is operated, the volume of cushion is stored by converting a compressed load of gram unit and a displacement amount according to the load with a digital value using the load cell used to measure an elongation/compressed load. Thereby the value is used by quickly finding and a maximum storing property is secured by comparably measuring the packing volume according to a folding pattern of the bag through it is the same material.
Patent KR-20000034504-A (KR)
Title: Television receiver with built-in chekup function for various diseases
Inventor: LEE HYEON CHEOL
IPC: H04N5/445
Filed: 1998-11-30
Abstract: PURPOSE: A television receiver with a built-in checkup function for various diseases is provided to supply minimum inspection on a disease by storing information on various diseases in the television. CONSTITUTION: A television receiver with a built-in checkup function for various diseases includes a key pad(110), a first storage(112), a pulse generator(114), a remote controller(110), a receiver(152), a second storage(154), a cathode ray tube(156), an OSD(On Screen Display)(158), and a controller(160). The key pad includes a numeric key for the selective answer to the diseases. The first storage stores pulse signals of all keys in the key pad. The pulse generator generates a pulse signal according to the keys in the key pad. The second storage stores all prescriptions for the diseases. The controller is set to a prescription mode according to a signal from the receiver, compares the key pulse signal with the disease information stored in the second storage, and transmits the prescriptions for the selected disease to the OSD for display.
Patent KR-20000038161-A (KR)
Title: Method for displaying character information in car audio system
Inventor: CHO JAE WON
IPC: H04B1/38
Filed: 1998-12-04
Abstract: PURPOSE: A method for displaying character information in a car audio system is provided to allow a car driver to recognize a current channel of a broadcasting station and select a desired channel thereof easily, by displaying the character information such as a name of the broadcasting station as well as numeric information on channel frequencies thereof in a receivable frequency band. CONSTITUTION: If an operation mode of an audio system is set as a radio mode(S10), a desired channel of the broadcasting station is selected(S12). A desired character information is inputted and then stored in a corresponding area of a memory for the selected channel(S14-S18). The character information for each of the channels is inputted until the input of the character information for each channel is completed(S20). If the input thereof has been completed, a channel desired to be received is selected(S22) and a frequency intensity of the received signal from the selected channel is detected(S24). It is determined that the received signal is receivable(S26). The character information on the selected channel is displayed(S28-S32).
Patent KR-19990062892-A (KR)
Title: 유기전기장발광소자
IPC: H01L51/50
Filed: 1998-12-08
Abstract: 개시된 내용은, 다음의 일반식(1): 
     
       
     
     으로 표시되고, 상기 일반식에서, R 1 ∼R 6 는, 각각 독립해서, 수소원자, 할로겐원자, 히드록시기, 치환 또는 무치환의 아미노기, 니트로기, 시아노기, 치환 또는 무치환의 알킬기, 치환 또는 무치환의 알케닐기, 치환 또는 무치환의 시클로알킬기, 치환 또는 무치환의 알콕시기, 치환 또는 무치환의 방향족탄화수소기, 치환 또는 무치환의 방향족복소환기, 치환 또는 무치환의 아라알킬기, 치환 또는 무치환의 아릴옥시기, 치환 또는 무치환의 알콕시카르보닐기, 또는 카르복실기인 5-시아노피로메텐-BF 2 착체와 발광재료의 혼합물을 사용하는 발광층을 가지는 적색발광의 유기전기장발광소자에 관한 것이다.  본 발명에 따라서, 적색발광의 유기전기장발광소자는 높은 휘도와 색순도를 제공할 수 있다.
Patent KR-20000041919-A (KR)
Title: Method of connecting telephone lines for executing multilateral calls
Inventor: PARK SEONG GEUN
IPC: H04M3/56
Filed: 1998-12-24
Abstract: PURPOSE: A method for connecting telephone lines is provided to uniformly receive numbers of recipients and telephone numbers of the recipients, and to automatically dial the telephone numbers for multilateral calls. CONSTITUTION: A method of connecting telephone lines for multilateral calls, comprises the steps of: making an originator enter a multilateral speech mode; receiving numbers of recipients; inputting corresponding telephone numbers of the recipients; and dialing the telephone numbers to connect the numbers with the originator.
Patent KR-20000042726-A (KR)
Title: Signal trigger apparatus and method of multiple function checker
Inventor: KIM BONG SEOK
IPC: H03K3/00
Filed: 1998-12-26
Abstract: PURPOSE: A signal trigger apparatus of a multiple function checker is provided to exactly check an analog signal by triggering the analog signal according to a user's setting in measuring the analog signal. CONSTITUTION: A voltage variator(60) varies a trigger voltage. A comparator(100) outputs a difference signal between a trigger voltage varied from the voltage variator(60) and an analog signal voltage. A first signal inverter(110) inverts a signal from the comparator(100). A pulse generator(120) generates a pulse based on the inverted signal from the first signal inverter(110) and a clock signal from the clock generator(50). A frequency divider(130) divides the clock signal from the clock generator(50). A first counter(140) is operated by he clock signal divided from the frequency divider(130).
Patent KR-20000044648-A (KR)
Title: Apparatus for shortening initial lock time of delay locked loop
Inventor: YUN MIN HO
IPC: G11C7/22
Filed: 1998-12-30
Abstract: PURPOSE: An apparatus for shortening initial lock time is provided to complete an initial operation in a rapid time by accelerating a speed of correcting so as to remove a skew between a reference clock and a target clock. CONSTITUTION: An apparatus for shortening initial lock time comprises a phase comparator circuit which consists of first to third phase comparators(31,33,35), an unit delay(32), a multiple delay(34) and a burst shift control unit(36). The first comparator(31) compares a reference clock from a clock divider and an internal clock from a delay modeling part, and the unit delay(32) makes the internal clock have a predetermined unit delay. The second phase comparator(33) compares the reference clock with the unit delayed internal clock, and the multiple delay(34) makes the internal clock have a multiple delay. The third comparator(35) compares the reference clock with the multiple delayed internal clock. The burst shift control unit(36) supports so that a multiple shift is generated at a delay part according to the result of the third comparator(35). The output signals of the first and second comparators(31,33) and the burst shift control unit(36) are supplied to a shift control part of a next stage.
Patent KR-19990066899-A (KR)
Title: 유도성소자용 코어와 트랜스 및 인덕터
IPC: H01F17/04
Filed: 1998-12-30
Abstract: Mn-Zn 페라이트 원료분말을 조립(造粒), 성형한 후에 소성하여 얻어진 평균결정입경 5 ㎛ 이하의 Mn-Zn 페라이트로 이루어지는 베이스 코어와 커버코어로 형성되는 유도성소자용 코어와, 이 베이스 코어와 커버코어에 끼워지도록 배치된 트랜스용 도체판으로 이루어지는, 고주파대역에서의 코어손실이 적고, 전력전달효율의 저하가 없는 트랜스와, 이 베이스 코어와 커버코어에 끼워지도록 배치된 인덕터용 도체판으로 이루어지는 고주파대역에서의 코어손실이 적은 인덕터.
Patent KR-20000046509-A (KR)
Title: Method for fabricating full color organic electroluminescence display using multi-metal mask
Inventor: LEE JAE GYEONG
IPC: H01L31/14
Filed: 1998-12-31
Abstract: PURPOSE: A method for fabricating a full color organic electroluminescence display is to used a multi-metal mask and a micro-actuator in a same mask system, thereby improving a luminous efficiency of the display. CONSTITUTION: A method for fabricating a full color organic electroluminescence display using a multi-metal mask comprises steps of forming a hole transferring layer on a ITO-glass substrate, passing the ITO-glass substrate through a metal mask(8-1,8-2,8-3) for a red, a green and a blue color which are respectively positioned at any place on a same mask system while moving the ITO-glass substrate using a micro-actuator, and vacuum-depositing a red, green and blue luminous material and a negative electrode on the ITO-glass substrate. In the method, an open position of the metal mask for a red, green and blue color is shifted at regular intervals. The micro-actuator comprises a sliding device, a stepping motor for vacuum and a tachometer.
Patent KR-19990029053-A (KR)
IPC: A23J1/16
Filed: 1996-07-17
Abstract: PCT No. PCT/NL96/00290 Sec. 371 Date Mar. 23, 1998 Sec. 102(e) Date Mar. 23, 1998 PCT Filed Jul. 17, 1996 PCT Pub. No. WO97/03571 PCT Pub. Date Feb. 6, 1997The invention relates to a method for preparing purified heat-coagulated potato protein, wherein heat-coagulated potato protein, after being separated from potato juice, is treated with one or more aqueous solutions of one or more inorganic acids, and thereafter is recovered. The treatment is preferably carried out at a pH between 1 and 5. The invention further relates to animal feed compositions which contain a prepared purified heat-coagulated potato protein as a component.
Patent KR-19990063965-A (KR)
Title: 전자 설비용 냉각 장치
IPC: H05K7/20
Filed: 1996-10-01
Abstract: 본 발명은 전자 설비(10)를 냉각시키는데 사용되는 장치를 구비하고, 거기에서 상기 전자 설비는 상기 설비에 의해 발생된 열 에너지를 하나 이상의 랙에 관련된 냉각 유니트(13, 14)로 이송하는 수단(11, 12)으로써 랙 장치(1')에서 하우징되고, 그 각각은 랙 및 설비에 대해 대류에 의한 열 에너지를 주위 공기로 이송하기 위해 설계된다. 상기 냉각 유니트(14)중 적어도 하나는 서로 다음에 위치되는 수직-배향된 냉각 플랜지(14a, 14b)와, 요구시 냉각 유니트 및 냉각 플랜지에 강제된 공기의 흐름을 제공할 수 있도록 설계되는 팬 유니트를 포함함으로써, 냉각 플랜지로부터 주위 공기로 열 방출을 증가시킨다. 
     상기 팬 유니트(20)가 랙 유니트(1')의 측면에서 위치되고 냉각 유니트(14) 옆에 또는 냉각 유니트(14)의 부분 통로 내측에 위치된다. 팬 유니트(20)는 냉각 유니트의 플랜지들(14a, 14b)간에 형성되는 각 공간에 강제된 공기의 흐름(A)을 제공하도록 구성되고; 강제된 공기의 상기 흐름(A)이 랙 유니트(1')에 맞닿은 냉각 유니트 플랜지의 부분에 대해 영역내로 제한된다. 몇 개의 평행한 공간(22)에 대해 발생된 공기 흐름(A)이 상방향으로 흐른다.
Patent KR-19990064081-A (KR)
Title: 고속 결합 조립장치
IPC: B65D83/28
Filed: 1996-10-07
Abstract: 본 발명은 에어러졸 캔과 분사 장치용 고속 결합 조립장치이다.  이 고속 결합 조립장치는 에어러졸 캔에 결합되고 에어러졸 캔이 함께 제공되는 제1 부재를 포함한다.  고속 결합 조립장치의 제2 부재는 분사 장치에 결합된다.  제2 부재는 관형 홀더를 구비하여 분사 장치와 에어러졸 캔이 서로 결합될 때 에어러졸 캔으로부터 돌출된 관부재를 수용한다.  이 2개의 부재를 쉽게 결합시키기 위해, 이 부재중 하나는 러그를 구비하고, 다른 하나는 나선형 엣지를 구비한다.  이 나선형 엣지는 상기 러그를 수용하기 위해 절삭 평탄부를 구비한다.
Patent KR-19990067400-A (KR)
IPC: C08L27/04
Filed: 1997-06-12
Abstract: A light colored basic alkali or alkaline earth metal organic salt is obtained by the reaction of a basic metal compound, an alkyl phenol and/or a carboxylic acid, carbon dioxide, and thereafter post-treating the reaction product with a C7-C17 alkyl glycidyl ester such as glycidyl neodecanoate.
Patent KR-19990067680-A (KR)
Title: 차량에서의 교통 관련 정보 제공 장치 및 방법
IPC: G08G1/0967
Filed: 1997-07-04
Abstract: 차량에서 교통 관련 정보를 공급하는 장치는, 차량 대기 행렬 등의 교통 관련 사건에 관한 메시지를 수신한다.  상기 메시지는 상기 교통 관련 사건의 위치에 관한 정보를 포함한다.  상기 장치는 상기 사건의 위치와 상기 차량의 실제 위치 사이의 시간 및/또는 거리 간격을 계산하고, 상기 시간 및/또는 거리 간격이 소정의 시간 및/또는 거리 간격보다 짧을 경우 알람을 울린다.
Patent KR-20000064458-A (KR)
Title: 위성다이버시티구조
IPC: H04B7/212
Filed: 1996-12-03
Abstract: 이동 원거리통신 시스템 내의 이동 유닛과 같은 송신기/수신기로 하여금 기지국 또는 위성과 같은 하나 이상의 제어국과 통신 신호를 교환하게 하는 다이버시티 구조가 개시된다.  다이버시티 구조의 예시적인 실시예에 따르면, 이동 유닛은 동작 시간 슬롯 동안 제1 위성과 통신하는 동안 유휴 시간 슬롯 동안 제2 위성의 제어 채널에 대해 스캔한다.  이동 유닛이 제2 위성으로부터 제어 채널을 검출할 때, 이동 유닛은 동기화 정보를 저장하고 섀도우잉이나 다른 심각한 페이딩이 제1 위성과 이루어진 통신 링크를 통하는 신호 품질이 임계 레벨 이하로 떨어지는 경우 제2 위성과 통신 링크를 이룬다.  다이버시티 구성은 또한 이동 유닛으로 하여금 다른 TDMA 프레임을 사용하여 2개의 위성과 실질적으로 동시에 통신하게 한다.
Patent KR-20000016011-A (KR)
Title: Bezel for an automatic transaction machine
Inventor: DEAVILLE DAVID
IPC: G07F9/02
Filed: 1997-05-27
Abstract: PURPOSE: A bezel used for an automatic transaction machine (ATM) provides that it is enable to durable and versatile by advantageously providing for two forms of payments. CONSTITUTION: The automatic transaction machine bezel (150) for attachment to the front panel of the machine (1) that is durable and versatile, and that advantageously provides for at least two forms of payment is disclosed. The surface (151) of the bezel (150) fits through an industry standard size opening in the front panel of the automatic transaction machine. In one embodiment, the bezel (150) contains one aperture (54) to accept banknotes, coins and cards in payment for a vend item.
Patent KR-20000051238-A (KR)
Inventor: MIN JONG SUL
IPC: H04N5/74
Filed: 1999-01-20
Abstract: PURPOSE: A convergence based on interlace scanning of a projection television is provided to perform a linear interpolation on a convergence compensation of previous field. CONSTITUTION: A convergence based on interlace scanning of a projection television includes a field memory(10), a compensation amount interpolation processor(20), and a convergence compensator(30). The field memory(10) delays and stores convergence compensation amount of a first field with is a previous field for one field and is a difference parity field when current field is denoted as a first field for a period of one field. The compensation amount interpolation processor(20) receives a first convergence compensation amount as well as a second convergence compensation amount from the field memory and perform a linear interpolation to generate a third convergence compensation amount. The first convergence compensation amount and the second convergence compensation amount are convergence compensation amounts of upper interlacing line and a lower interlace line of the first field, respectively. The convergence compensator(30) sets the third convergence compensation amount as a convergence compensation amount for a corresponding interlace line of the first field and delays the result for a half period of main deflection horizontal synchronous interval.
Patent KR-19990068022-A (KR)
Title: 정보 수신 장치 및 정보 수신 방법
IPC: H04N5/21
Filed: 1999-01-20
Abstract: 본 발명은 간섭파를 제거하고 안테나에 대한 최상의 방향을 결정하기 위한 장치 및 방법을 공개한다.  본 발명에 활용되는 SAW(표면 음향파) 필터는 간섭파(지상 아날로그 방송파)를 제거하며, 입력 중간 주파수 신호로부터 특정 채널(6MHz의 대역폭)의 비디오 신호 성분을 추출하여, A/D 변환기로 출력한다.  콤-형의 감쇠 특성을 갖는 대역 필터인 필터의 배치는, 제 1 감쇠 피크가 간섭 신호의 피크와 일치하게 되도록 하고; A/D 변환기는 AGC 피드백 신호를 생성하여 고주파수 증폭기, 중간 주파수 증폭기, 및 연산부로 각각 출력하며; 파형 균등화부는 러닝 균등화, 블라인드 균등화 등과 같은 균등화 방법의 사용에 의해 입력 신호로부터 멀티패스 간섭에 기인하여 발생된 고스트 영상을 제거하여 에러 정정부로 출력하고, 또한 균등화에 이용되는 필터 탭 계수를 연산부로 출력하며; 에러 정정부는 리드-솔로몬 코드 및 트렐리스 코드를 사용하여 입력 신호의 에러를 정정하여 디멀티플렉서로 출력하고, 또한 입력 신호의 에러율 정보를 연산부에 출력한다.
Patent KR-20000051323-A (KR)
Inventor: BAE SEOK MAN
IPC: A44C7/00
Filed: 1999-01-20
Abstract: PURPOSE: A removable implement of pierced earring is provided, which is formed with conductive PVC resin to enable the surface of removable implement to be coated by the direct electroplating of gold, silver or copper. CONSTITUTION: A removable implement (20) comprises a pin insertion hole (21) where the insertion pin (11) of a body (10) is inserted. It is formed by using the mixture which comprises 100 parts by weight of mixture powder consisting of 60-70 wt% of conductive carbon, 20-25 wt% of graphite and 10-15 wt% of copper powder; and 200 parts by weight of soft PVC resin powder.
Patent KR-20000054962-A (KR)
Inventor: LEE SEONG HYEON
IPC: G01C11/00
Filed: 1999-02-02
Abstract: PURPOSE: A device and a method for detecting a landmark of an unmanned transfer vehicle are provided to promptly decide a landmark. CONSTITUTION: A vehicle body(1) stops by a corresponding facility(9) after while moving along an electric wire laid on the bottom. A camera(7) is spaced apart a predetermined distance from a landmark(11) by a driving unit. If the landmark is imaged by the camera, a control unit operates a target position value from the landmark of a object to be transferred. A finger(5) is shifted to the target position to pick up the object to be transferred. The vehicle body continues a travel after the object is loaded on the vehicle.
Patent KR-20000056828-A (KR)
Inventor: JEONG DAE HO
IPC: H01L21/76
Filed: 1999-02-26
Abstract: PURPOSE: A method for manufacturing a shallow trench for isolating a semiconductor device is provided to prevent an oxidation layer filled in the trench from being stripped off by performing a shrinking process of the oxidation layer for filling up the trench after a chemical mechanical polishing(CMP) process, and to improve a throughput of a manufacturing line by carrying out the shrinking process by a rapid thermal process. CONSTITUTION: A method for manufacturing a shallow trench for isolating a semiconductor device comprises the steps of: patterning a pad oxidation layer and a nitride layer after forming the pad oxidation layer and the nitride layer on a silicon wafer, and etching the exposed silicon wafer to form the trench for defining a semiconductor isolation region; evaporating a thick oxidation layer on the entire surface of the silicon wafer having the trench; patterning the evaporated oxidation layer so that the oxidation layer can be remained only in the trench region; planarizing the oxidation layer pattern by a chemical mechanical polishing(CMP) process, and shrinking the planarized oxidation layer by a thermal process; and cleaning the silicon wafer to eliminate the nitride layer.
Patent KR-20000061307-A (KR)
Inventor: KIM JONG YUN
IPC: G11B5/39
Filed: 1999-03-25
Abstract: PURPOSE: A magnetic resistance head apparatus for a hard disk drive is provided for removing an unstability of a GMR sensor. CONSTITUTION: A GMR sensor(Giant Magneto-resistive Sensor) includes a pinning layer(21), a pinned layer(22) in which a magnetic direction is constantly formed by the pinning layer, a conducting spacer(23) and a free layer(sensing layer)(24) which are sequentially stacked. The pinning layer(21) uses an antiferromagnetic material. When a current is applied, the magnetic direction of the magnetic member of the pinned layer(22) is formed in a direction vertical to the surface of the magnetic recording medium. The pinning layer(21) is formed of a material of FeMn, NiMn, etc. The pinned layer(22) and the free layer(24) formed about the conducting spacer(23) are formed of a ferromagnetic material such as Permalloy.