baber/WOPTO huggingface dataset:
Patent KR-19980065065-A (KR)
Title: 패각류의 껍질을 이용한 활성탄소의 제조방법
IPC: C01B31/08
Filed: 1998-06-22
Abstract: 본 발명은 패각류의 껍질을 이용한 활성탄소의 제조방법에 관한 것이다. 
     종래의 활성탄의 원료는 동남아 및 중국 등지에서 수입한 목질계의 소회, 야자각 및 석탄계의 안쓰라 사이트, 리그나이트 등으로 활성탄소를 제조하여 왔으나 질적, 양적으로 안정적인 확보가 어렵고, 수송에도 제약을 받는 외에 국제환율 변동등의 요인으로 제조 원가가 고가로 되는 등의 여러 가지 문제점이 있었다. 
     본 발명은 이와 같은 문제점에 착안하여 안출된 것으로 국내에서 구하기 쉽고 양적으로 풍부한 수산 폐기물인 굴껍질 조개껍질의 원료를 수세하여 모래등의 이물질을 제거한 다음 자연적 또는 기계적으로 건조시켜 큰 것은 작게 파쇄하여 연소로 내에서 부활 물질인 수증기를 투입시켜 활성화시킴으로서 흡착력과 탈색력이 뛰어난 활성탄소를 제조할 수 있도록 한 것이다.
Patent KR-20000004402-A (KR)
Title: Capacitor preparation method of semiconductor element
Inventor: OH HOON JUNG
IPC: H01L29/92
Filed: 1998-06-30
Abstract: PURPOSE: A capacitor preparation method of semiconductor element is provided to remove contaminant on a silicon which a HSG thin film is formed on and form the HSG thin film having uniform surface area. CONSTITUTION: The capacitor preparation method of semiconductor element comprises: a step forming amorphous silicon films(12,23) doped as storage electrode substance on semiconductor substrates(10,20); a step etching the doped amorphous silicon films into prescribed storage electrode shape; a step removing contaminant on the doped amorphous silicon films by treating the surface of the etched doped amorphous silicon films by using O2 plasma; and a step forming storage electrodes(100,200) by forming a hemisphere shape grain polysilicon thin film on the surface of the doped amorphous silicon films.
Patent KR-19980071989-A (KR)
Title: 항타기의 유압회로
IPC: B66C23/00
Filed: 1998-07-09
Abstract: 본 발명은 항타기의 유압회로에 관한 것으로, 작동유탱크(170)로 부터 유압펌프(171)에 의해 유압이 공급되어 고압유를 저장하는 고압어큐므레이터(100)와, 이 고압어큐므레이터(100)와 분리된 위치에서 저압유를 저장하게 되는 저압어큐므레이터(110)와, 상기 고압어큐므레이터(100) 및 저압어큐므레이터(110)로 공급되는 유압라인의 설정에 따라 램(122)을 취부하고 있는 피스톤로드(2a)를 승강시키며, 2중구조의 인너실린더(123)와 아우터실린더(124)를 구비한 유압실린더(120)로 구성된 것에 있어서, 상기 고압어큐므레이터(100) 및 저압어큐므레이터(110)는 제1로직밸브(140)와 제2로직밸브(141)에 의해 그 통로가 제어되도록 고압통로(131) 및 저압통로(132)에 각각 연통되게 로직메니폴드(130)에 접속시키고, 상기 유압실린더(120)는 이 로직메니폴드(130)를 관통하게 설치하되, 아우터실린더(124)는 저압통로(132)와, 그리고 인너실린더(123)는 고압통로(131)와 각각 연통되게 설치하는 것에 의해 달성된다.
Patent KR-20000013121-A (KR)
Title: Cop analyzing method of bare wafer for fabricating semiconductor device
Inventor: PARK JEONG MIN
IPC: H01L21/66
Filed: 1998-08-04
Abstract: PURPOSE: A method for analyzing crystal originated particle(COP) of a bare wafer is provided to easily analyze distribution rate of the COPs by performing a first particle measuring process, a cleaning process, and a second particle measuring process. CONSTITUTION: The method comprises the steps of measuring the number of particles and COPs on the bare wafer, making a first coordinate thereof, and measuring sizes thereof; removing particles on the bare wafer; measuring the number of the COPs disposed on the bare wafer and new particles formed in a cleaning process, making a second coordinate thereof, and measuring sizes thereof; and attaining the number of a third coordinate where the first coordinate is identical to the second coordinate to get a percentage of the number of the third coordinate to the first coordinate.
Patent KR-20000013372-A (KR)
Title: Water supply valve cap for washing machine
Inventor: KIM YOUNG BUM
IPC: D06F39/08
Filed: 1998-08-07
Abstract: PURPOSE: A cap to cover in an inflow port of a water supply valve is provided to prevent the inflow of dusts, foreign matters, and so on into the water supply valve. CONSTITUTION: The water supply valve cap comprises: a water supply valve(30) to control the supply of the washing water supplied inside a water tub(21); an inflow port(31) projected to the outside of a body case(20) to be connected an outside water supply pipe(50) in the water supply valve; a cap(32) covered in the inflow port to prevent the inflow of foreign matters into the inflow port; a connecting groove(32b) formed to be curved according to the outer face to hang a second loop unit(42) by inserting in the outer face of the cap(31).
Patent KR-20000013734-A (KR)
Title: Alarm inhibiting method of synchronous digital hierarchy light transmitting apparatus
Inventor: LEE JUNG GU
IPC: H04Q11/04
Filed: 1998-08-12
Abstract: PURPOSE: An alarm inhibiting method of synchronous digital hierarchy light transmitting apparatus is provided to classify and decide a propagation alarm propagated from a root alarm with the root alarm causing an impediment on a network of a light communication apparatus. CONSTITUTION: The alarm inhibiting method is comprising the steps of conforming a completion of alarm and if the alarm is completed then the alarm is transmitted a finishing step, inhibiting a propagation alarm of a MS remote defect indication(MSRDI) alarm, deciding the alarm is generated from the operating a light line and if the alarm is generated from the operating a light line then the alarm is transmitted to the next step, if not the alarm is transmitted to the finishing step, deciding a shape of a network device in case of the operating light line, inhibiting a propagation alarm of a virtual container 3 remote defect indication(VC3RDI) and a virtual container 12 remote defect indication(VC12RDI) if the shape of network device is ring multiplexor, inhibiting a propagation alarm of a TU3 alarm indication signal(TU3AIS) and TU12 alarm indication signal(TU12AIS).
Patent KR-20000004846-A (KR)
Title: Sheet for indicating underground buried material containing locator function
Inventor: MORIMOTO NORIYUKI
IPC: G09F19/22
Filed: 1998-08-14
Abstract: PURPOSE: A sheet for indicating a underground buried material is provided to prevent a disconnection by enriching a flexibility for increasing a reliability. CONSTITUTION: A sheet for indicating a underground buried material containing a locator function comprises:a underground buried material indicating sheet(2) overlapped after folded toward a longitudinal direction; and a conductive fiber(3) for a locator installed on the surface of the underground buried material indicating sheet. The underground buried material indicating sheet is formed by:weaving a thin synthetic resin tape(4) for forming a filament cross(5); heat-pressing a transparent protecting sheet of a colored polyethylene on the both surfaces of the filament cross for laminate-treating and shaping into a tape.
Patent KR-20000014152-A (KR)
Title: Method for improving electrodeposition of plasma spray
Inventor: CHOI CHANG GOO
IPC: C23C4/02
Filed: 1998-08-18
Abstract: PURPOSE: A method for improving the electrodeposition of plasma spray is provided, which is free from releasing. CONSTITUTION: The substrate is surface-treated by spraying ceramic balls having a diameter of several micrometers by using a sand blaster, thereby the smooth surface is transformed into the very rough embossed surface. And then the substrate having a rough embossed surface is coated with metals such as tantalum or aluminium by plasma spray method.
Patent KR-19990023689-A (KR)
Title: 구내 정보 통신망을 이용한 장해 통지 시스템 및 방법
IPC: G06F15/00
Filed: 1998-08-19
Abstract: 본 발명 장해 통지 시스템은 컴퓨터 또는 다른 종류의 네트워크의 비동작 상태를 검출하고 상기 비동작 상태를 검출한 경우 네트워크 장치로부터 모니터링 시스템 혹은 제어 콘솔로 네트워크 메시지를 전송한다. 네트워크 메시지는  동작시 네트워크 장치에 의해 구성되는데, 양호하게는 어떤 문제가 검출되기 전에 운영체제에 의해 구성된다. 이러한 메시지는 일실시예의 BIOS 메모리와 같이, 일부 비휘발성 저장 매체에 저장된다. 결과적으로, 매우 제한된 운영체제 기능은 BIOS 장치에 복사되어야만 한다. 실제 전송된 메시지만이 저장되어야 하고 커맨드는 전송된 메시지를 수신하기 위해서 필요하다.  몇몇 실시예에 있어서, 보조 프로세서는 부적합한 동작을 검출하는데 사용되는데, 양호하게는 전용선인 제2 버스를 경유하여 검출한다. 보조 프로세서는 컴퓨터의 CPU가 동작되지 않을 경우라도 모니터링 시스템으로 전송하기 위하여 관련 메시지를 전송 버퍼에 적재시킨다.
Patent KR-19980082124-A (KR)
Title: 산화구형 자연정화 처리방법
IPC: C02F3/12
Filed: 1998-08-27
Abstract: 본 발명은 하수, 분뇨 등의 유기성 폐수를 정화 처리하는 생물학적 처리방법에 관한 것으로, 특히 중, 소규모의 유기성 하수, 오폐수처리장에 많이 보급되고 있는 통상의 산화구방법에 본 출원인의 발명특허 제117423호(일명 : HBR공법)인 임의성 토양성 미생물균군의 활성화 방법을 접목시키어서 종래의 산화구방법의 문제점을 보완, 해결하여 유기성 하수, 오폐수처리장 시설공사 완료후 미생물학적 정상상태의 운영 가동되는 시운전 기간을 단축하고, 처리장에서 발생하는 악취제거 및 부영양염류의 제거 효율의 극대화, 잉여슬러지의 부패를 방지하고, 이러한 처리에 의해 침강된 고형물은 토양으로 재활용을 유도하고, 보다 나은 양질의 처리수를 확보하여 중수로 재활용 할 수 있는 산화구형 자연정화 처리방법에 관한 것이다.
Patent KR-20000015241-A (KR)
Title: Manufacturing method for semiconductor device
Inventor: OH JEONG-HEI
IPC: H01L21/265
Filed: 1998-08-27
Abstract: PURPOSE: A manufacturing method for a semiconductor device is provided to improve the operation speed by improving the mobility of a channel. CONSTITUTION: The manufacturing method for a semiconductor a first through seventh step. The first step is to provide a silicon substrate(11). The second step is to form a burial oxide film(12) within the silicon substrate. The third step is to form a element isolation film(13) on the silicon substrate. The fourth step is to define an active area on the silicon substrate by forming a photoresist pattern(14) on the element isolation film. The fifth step is to inject silicon ion into the active area(15) of the silicon substrate using the photoresist pattern as a mask. The sixth step is to inject boron ion into the active area of the silicon substrate using the photoresist pattern as a mask. The seventh step is to delete the photoresist pattern and grow by performing a thermal process on the substrate.
Patent KR-20000015382-A (KR)
Title: Repairing and inspecting device for elevator and control method thereof
Inventor: JUN SUNG HO
IPC: B66B5/00
Filed: 1998-08-28
Abstract: PURPOSE: A device and a method are provided to easily repair and inspect an elevator by indicating real time signals that are changed inside an elevator control unit, to a graphic. CONSTITUTION: The device is composed of: a screen processing unit(310) processing an input data responding message on the corresponding screen by analyzing after outputting the data requiring message according to the specific signal that is input through an inputting device; a communication processing unit(320) outputting the data responding message input from a control group processing unit(420) to the screen processing unit and a data storing unit(330) after outputting the data requiring message output from the screen processing unit to the control group processing unit by packing; and the data storing unit storing data input from the communication processing unit.
Patent KR-20000015402-A (KR)
Title: Method for forming a trench isolation of a semiconductor
Inventor: JEONG IN-KWON
IPC: H01L21/76
Filed: 1998-08-28
Abstract: PURPOSE: A method for forming a trench isolation of a semiconductor is provided, which minimizes the occurrence of a surface stepped coverage between a trench fill layer and a pad insulating film. CONSTITUTION: The method for forming a trench isolation of a semiconductor comprises the steps of: forming a pad insulating film (32) on a semiconductor substrate (30); forming a planarization stopping film (34) on the pad insulating film (32); etching the planarization stopping film (34), the pad insulating film (32), and the semiconductor substrate (30) to forming a trench (38); forming a heat oxidation film (40) to an inner portion of the trench (38); forming a trench fill film (42) on the inner of the trench (38) and the planarization stopping film (34); etching the trench fill film (42); removing the planarization stopping film (34); and etching the trench fill film (42). Thereby, it is possible to improve the operation characteristic of the device.
Patent KR-20000018949-A (KR)
Title: Frame synchronous processing apparatus using counter
Inventor: KIM DAE SIK
IPC: H04L7/00
Filed: 1998-09-07
Abstract: PURPOSE: An apparatus can reduce the number of gates without the degradation of performance by modeling four frame header intervals with ten of 10 bit counter, in order to find frame synchronous signal in a frame block to increase the performance of an asynchronous transfer mode(ATM) cell extraction. CONSTITUTION: An apparatus comprises: a counter control part(20) making it possible to find frame synchronization by controlling the counter operation of a counting part(10); the counting part modeling sub frame header pattern according to the control of the counter control part; a pattern comparison part(40) comparing each modeled header pattern when the value of the counter part reaches a fixed value; and a state machine(50) outputting frame header synchronous signal and sub frame header synchronous signal according to the comparison result of the pattern comparison part. The apparatus can be used for stable cell extraction in a wireless environment or wireless asynchronous transfer mode(WATM) having high error rate.
Patent KR-20000020050-A (KR)
Title: Deflection yoke for braun tube
Inventor: IM JONG HO
IPC: H01J29/74
Filed: 1998-09-17
Abstract: PURPOSE: Among a shape of a horizontal deflection coil and a shape of vertical deflection coil, one is made curvilinear shape and the other is made linear shape to decrease an overlapped part. So a stray capacitance is decreased. CONSTITUTION: A horizontal deflection coil(21) of a deflection york for braun tube have an electron beam side(a), a middle side(b), a screen side(c). In the electron beam side(a), if an outside section of the horizontal deflection coil(21) is made curvilinear shape, an inside section of a vertical deflection coil(22) is made linear shape. Also in the screen side(c), if the outside section of the horizontal deflection coil(21) is made linear shape, the inside section of a vertical deflection coil(22) is made curvilinear shape. So a stray capacitance, which is occurred in proportion to the facing surfaces and in inverse proportion to a distance between two facing surfaces, is decreased.
Patent KR-20000020248-A (KR)
Title: Method for processing call using v5.2 bcc protocol
Inventor: LEE CHOONG DON
IPC: H04L12/28
Filed: 1998-09-18
Abstract: PURPOSE: A method for processing call using v5.2 bearer channel connection is provided to inspect a concerned call information using a table index. CONSTITUTION: A method for processing call using v5.2 bearer channel connection includes four procedures. A first procedure is to constantly endow a BCC reference number into a channel assignment message for a call connection and transmit. A second procedure is to inspect a concerned call information as a value which arithmetically processes the reference number and perform a corresponding call connection. A third procedure is to constantly endow the BCC reference number into a channel dissolution requirement message for a call connection and transmit. A fourth procedure is to inspect a concerned call information as a value which arithmetically processes the reference number and dissolve the corresponding call connection.
Patent KR-20000025249-A (KR)
Title: Device and method of controlling power of electric vehicle
Inventor: CHOI HO
IPC: B60L50/15
Filed: 1998-10-09
Abstract: PURPOSE: A device and a method are provided to regulate a voltage and a current input to an inverter or a DC/DC converter by sensing and lowering the voltage and current supplied from a main battery of an electric vehicle CONSTITUTION: A main battery(10) supplies electric energy to drive an electric vehicle by filling a certain amount of the electric energy and inputs the voltage and current to an inverter(30) after sensing the valtages and current in a first sensing unit(20). Herein, the inverter changes a DC value input from the first sensing unit to an AC value to drive a motor, and a motor driving unit(40) drives the motor of the electric vehicle by using an AC current input from the inverter. In addition, a second sensing unit(50) inputs the value sensed from the first sensing unit to a DC/DC converter(60) for converting so a DC current as to be input in an auxiliary battery(70) used by using the DC current when power is not supplied from a main battery.
Patent KR-19990037108-A (KR)
Title: 부식 검사법
IPC: G01N17/00
Filed: 1998-10-15
Abstract: 판형 시험 쿠폰(1)은 실제 플랜트의 금속 부재와 동일한 재료로 제조한다. 시험 쿠폰(1)은, 접착제(5)에 의해 시험 쿠폰(1)의 전체 이면에 결합된 시트형 가열 부재(4)를 갖추고 있다. 시트형 가열 부재(4)는, 지그재그 형태로 배열된 얇은 금속박(金屬箔)으로 제조된 가열 저항기(2) 및 절연성 합성 수지(4a)를 포함하는 판으로서, 상기 저항기(2)는 합성 수지(4a) 내에 봉입된다. 또한 2개의 피복된 도선(3)의 단부도 합성 수지(4) 내에 봉입된다. 피복된 도선(3)의 중심부는 피복된 부분의 바깥쪽까지 연장되어 가열 저항기(2)의 양쪽 단자에 각각 연결된다. 시험 쿠폰(1)은 실제 장치 내의 부식액과 접촉시키고, 시험 쿠폰(1)이 검사 대상과 동일한 열 전달 조건에 놓이도록 가열 저항기(2)로 흐르는 전류를 제어한다. 
     실제 플랜트에서 부식 문제가 일어나기 쉬운 환경을 모의한 조건하에서 검사할 수 있도록, 금속 단편(21,21')은 스폿 용접부(23)에서 용접되며, 금속 단편(21,21') 사이에는 극간이 존재한다. 전위 측정을 위한 피복된 도선(26)의 단부는 연질 납땜 등에 의해서 금속 단편(21)에 접속되며, 접속된 부분은 절연성 재료에 의해 피복된다. 시트형 가열 부재(22)는 접착제에 의해 금속 단편(21)의 외면에 결합되며 절연성 재료(25)에 의해 피복된다. 시험 쿠폰(31)을 시험용 물에 침지시키고, 참조 전극(33)과 시험 쿠폰 간의 전위를 측정하여 부식을 검사한다.
Patent KR-20000027867-A (KR)
Title: Method for producing wound body of polyurethane elastic yarn
Inventor: HAN YOUNG HWA
IPC: D01H13/10
Filed: 1998-10-29
Abstract: PURPOSE: A method for producing a winded body of polyurethane elastic yarn is provided to improve a winding property by reducing the adhesion of the polyurethane elastic yarn in the case having large winded amount of the polyurethane elastic yarn. CONSTITUTION: A winded body of polyurethane elastic yarn is produced by winding a large amount of polyurethane elastic yarn in a bobbin with the width under 50mm. The winding property is improved with an existing content of emulsion by controlling the speed of a spinning roller to maintain a regular shrinkage. The polyurethane elastic yarn has the shrinkage under 7% to obtain the excellent winding property. The required shrinkage under 7% is able to do with the control of speed between common two-three rollers passed before winding the polyurethane elastic yarn in a corn. The shrinkage is controlled by winding with rapidly shrinking the polyurethane elastic fiber extended at the winding by being the speed of the front roller of winder larger than the speed of the winder.
Patent KR-20000028217-A (KR)
Title: Method for performing reservation record of tvcr
Inventor: SONG BOK CHEON
IPC: G11B20/10
Filed: 1998-10-30
Abstract: PURPOSE: A method for performing reservation record of TVCR is provided to conveniently record a wanted broadcasting program without a reservation record setting by automatically performing a record when a broadcasting time is reached. CONSTITUTION: A timer identifies as to whether a current mode is a TV seeing and hearing mode(S100). The timer identifies as to whether a picture reservation record key is inputted and stores a previous notice picture to a memory unit when picture reservation record key is inputted(S101,S102). A timer recognizes a character and a figure recorded in the previous notice picture and checks a start time and an end time of a corresponding broadcasting program(S103,S104). A system controller controls a deck unit to perform a record when the start time is reached(S105,S106). The system controller controls the deck unit to stop the record when the end time is reached(S107,S108).
Patent KR-19990045175-A (KR)
Title: 접착방법 및 접착장치
IPC: B05D7/06
Filed: 1998-11-11
Abstract: 본 발명은 서로다른 높이를 가지는 재료의 구성부분들에 접착제 및/또는 경화제를 연속적이고 균일하게 도포하는 방법에 관련되며, 상기 구성부분들의 적어도 한 개의 표면들에 접착제 및/또는 경화제를 연속적으로 도포하고, 롤러스프레더를 통해 상기 구성부분들을 연속적으로 공급된다.  유연한 강모가 제공된 실린더로 구성된 적어도 한 개의 압축롤러와 한 개 또는 두 개이상의 도포롤러 사이에서 재료의 구성부분들이 공급되고, 상기 도포롤러들에는 표면에 도포되어야 하는 접착제 또는 경화제가 제공되며, 접착제 또는 경화제가 상기 재료의 표면에 균일하게 도포된다.  또한 본 발명은 상기 방법을 수행하기 위한 장치에도 관련된다.
Patent KR-19990062615-A (KR)
Title: 동압발생전극
IPC: B24B53/00
Filed: 1998-11-26
Abstract: 본 발명은 전도성 연삭숫돌(1)의 가공면과 간극을 두어 대향하고, 그 사이에 전도성액체를 흘리면서 전압을 걸어서 연삭숫돌을 전해에 의해 드레싱하면서 피연삭재를 연삭하는 전해 드레싱 연삭용 동압발생전극(10)에 관한 것이다.  이 전극은 연삭숫돌의 가공면(1a)으로부터 일정한 간극을 갖는 복수의 최협부(11)와, 최협부 사이에 설치되고 최협부보다 넓은 간극을 갖는 복수의 요부(12)를 갖는다.  연삭숫돌(1)과 전극(10) 사이에 형성된 유로절단면(간극)이 연삭숫돌(1)의 이동방향을 따라 요철되고, 그 간극에 채워지는 전도성액체(3)가 연삭숫돌(1)의 회전에 의해 따라돌며, 요철 간극을 반복하여 흘려주어서 그 사이에 발생하는 동압 및 정압을 크게 변동시키고, 이 변동에 의해 최협부(11)로의 금속 퇴적물의 부착을 억제하며, 또한 요부(12)가 포켓되어 연삭액을 안정공급할 수 있고, 또한 공기의 흡입을 저감할 수 있다.
Patent KR-19990062627-A (KR)
Title: 레지스트막의 형성방법
IPC: G03F7/26
Filed: 1998-11-27
Abstract: 레지스트막의 형성방법은, (a) 기판상에 레지스트막을 형성하는 공정과, (b) 상기 공정(a)에서 형성된 레지스트막의 표층부를 제거하여, 레지스트막의 막두께를 상기 공정(a)의 그것보다도 얇게 하는 공정을 구비한다.
Patent KR-20000034408-A (KR)
Title: Thin film speaker of television
Inventor: PARK NAM GYU
IPC: H04R17/00
Filed: 1998-11-30
Abstract: PURPOSE: A thin film speaker of a television is provided to easily change the capacitance of a speaker based on the circuit arrangement on a vibration plate as well as to eliminate limits on component array of a television by minimizing an installation space of the speaker. CONSTITUTION: An electrode(5) is formed on the upper end of a vibration plate(4) to be connected with a magnetic circuit(1) electrically. Plural magnetic circuits(2) are sequentially connected to the magnetic circuit(1) through a coil(7). The last magnetic circuit(2) is connected to an electrode to form a single thin film transistor. The magnetic circuit(1) is connected to an electrode(5) so a voice coil(6) as to be reduced to have an interval. The magnetic circuit is also connected with the coil(7) on the rear surface of the vibration plate(4). The end of the coil has the same rotational direction as the magnetic circuit(1), and a voice coil(8) is formed on the upper surface of the vibration plate. The magnetic circuits(1,2) are formed in series or in a row to make sounds from a speaker and transformed in each direction of the vibration plate based on the array.
Patent KR-20000038430-A (KR)
Title: Manufacturing method of compressor swash plate for vehicle air conditioner
Inventor: JUNG KYUNG
IPC: F04B27/08
Filed: 1998-12-07
Abstract: PURPOSE: A manufacturing method of a compressor swash plate for a vehicle air conditioner is provided to simplify the manufacturing process and improve the precision of the swash plate by utilizing casting method instead of forging method. CONSTITUTION: A manufacturing method of a compressor swash plate for a vehicle air conditioner includes the steps of melting aluminium alloy, squeeze casting the melted aluminium alloy in the shape of a swash plate, cutting the cast swash plate in an appropriate size, performing heat treatment for the cut swash plate pieces in such a manner that the plate pieces are heated in a heat treatment furnace at 510°C for 5 hours, cooled by water cooling, heated in an oven at 170°C for 6 hours and cooled by air cooling in sequence, rough cutting a shoe surface of the heat treated swash plate pieces, coating poly tetrafluoro ethylene on the shoe surface of the swash plate pieces with a thickness of 100micrometer, and abrasing the coated shoe surface by an abrasion tool with an average roughness gauge less than 0,2.
Patent KR-20000040706-A (KR)
Title: Semiconductor device and method for manufacturing thin film transistor
Inventor: LEE JONG HUN
IPC: H01L29/786
Filed: 1998-12-19
Abstract: PURPOSE: A semiconductor device and a method for fabricating a thin film transistor are provided to improve the reliance of the semiconductor device by reducing the damage of elements caused by a photoresist film. CONSTITUTION: A semiconductor substrate(1) is prepared. An amorphous silicon(54) is deposited on the semiconductor substrate(1). A multi crystalline silicon(52) is formed on the semiconductor substrate(1) by crystallizing the amorphous silicon(54). A doping block is deposited on the multi crystalline silicon(52). The doping block is made of a semiconductor material. Then, a photoresist(PR) is coated on the amorphous silicon(54). The photoresist(PR) is then subjected to a patterning process. When the photoresist(PR) is patterned, the doping block is also patterned.
Patent KR-19990024204-A (KR)
Title: 식물재배용 인공토양 탈취제 및 조성물
IPC: C04B28/20
Filed: 1998-12-21
Abstract: 본 발명은 경량이면서 유기질, 무기질 복합비료의 특성을 갖고 식물생장에 도움이 되는 토양 미생물을 보지할 수 있는 뛰어난 경량기포콘크리드를 식물생장이 용이하도록 하는 식물재배용 인공토양 탈취제 및 조성물에 관한 것이다. 
     종래의 인공토양은 결합제로 화학적으로 제조한 유기물을 사용하는데 이러한 유기물은 생분해도가 낮아 토양에 악영향을 줄 수 있으며 보비력이 떨어지는 것이었다. 
     따라서 본 발명은 원료로써 시멘트 20 중량부, 생석회 20 중량부, 규산질원료 50 중량%, 석고를 10 중량부를 혼합하고 규산질원료에 대해 황토를 5 내지 35 중량부가 되도록 첨가하였다. 
     이들 혼합물에 물을 가하여 슬러리상으로 만든후 90℃의 온도에서 전치양생하고, 경화체를 치수에 맞게 절단하여 10기압의 포화수증기압 하에서 8시간 동안 처리하여 황토경량기포콘크리트를 제조하는 과정과, 제조된 황토경량기포콘크리트를 분쇄기를 이용하여 5에서 10㎜ 크기로 분쇄하는 과정과, 분쇄물을 양돈분뇨와 함께 부피비로 1 대 1로 혼합한 후 발효기에서 호기성조건으로 발효시키는 과정과, 
     발효시 최초온도는 섭씨 35도로 유지하였으며 발효온도가 상승하였다가 다시 섭씨 35도씨로 유지될때 완숙으로 가정하여 종료시켜 인공토양을 제조하는 과정을 통하여 경량이면서 유기질 규산질 복합비료 특성을 갖고 식물생장에 도움이 되는 도양미생물을 보지할 수 있는 식물토양용 인공토양을 제조하는 것이다.