baber/WOPTO huggingface dataset:
Patent KR-20000021871-A (KR)
Title: Method for transiting channels in broadcasting satellite receiving system
Inventor: NOH SHIN GYUN
IPC: H04N5/50
Filed: 1998-09-30
Abstract: PURPOSE: A method for transiting channels in a broadcasting satellite receiving system is provided, so that a viewer can watch screen with high quality, by exactly transit channels when broadcasting of a currently watching channel and the kinds are transited to other broadcasting channel. CONSTITUTION: A method for transiting channels in a broadcasting satellite receiving system comprises the steps of: distinguishing a broadcasting signal kind of a channel for transiting, when a try for transiting from a broadcasting channel, which is currently watched, to other broadcasting channel is conducted; switching to an automatic gain adjusting switch, corresponding to the distinguished broadcasting signal kind; detecting a channel by adjusting varied tuning frequency, according to the switched automatic gain adjustment; and displaying the detected broadcasting signal on screen by processing the detected broadcasting signal.
Patent KR-19990037150-A (KR)
Title: Im-5 제올라이트 염기를 함유하는 촉매를 사용하여 파라핀원료의 유동점을 개선시키는 방법
IPC: C09K3/00
Filed: 1998-10-16
Abstract: 본 발명은 탄소 원자 수가 10개 이상인 파라핀을 함유하는 원료의 유동점을 개선시키는 방법에 관한 것으로서, 이 방법은 IM-5 제올라이트와 1종 이상의 수소화-탈수소화 원소를 함유하는 촉매와 처리 원료를 온도 170 내지 500 ℃ 사이, 압력 1 내지 250 바아, 시간당 부피 속도 0.05 내지 100 h -1 에서 원료 1 리터당 50 내지 2000 리터 비율의 수소 존재하에 접촉시키는 단계를 포함한다. 얻어지는 오일은 유동점이 우수하고 높은 점도 지수(VI)를 나타낸다. 또한, 이 방법은 유동점을 저하시킬 필요가 있는 가스오일 및 기타 다른 원료에도 사용할 수 있다.
Patent KR-20000026700-A (KR)
Title: Method for cutting-off dual-link of exchange system
Inventor: OH TAE HYUNG
IPC: H04Q3/00
Filed: 1998-10-22
Abstract: PURPOSE: A method for cutting-off a dual-link of an exchange system is provided to stably transmit data through a link by cutting a dual-link in which an error continuously occurs. CONSTITUTION: In a method for cutting-off a dual-link of an exchange system, error information on each link are first read(S21), and then an active state maintaining time with respect to an active link is countered(S22). Next, it is determined if a hardware cut-off is performed(S23), and when it is performed, the number of link cut-off is increased by "1"(S4). Then, it is determined if it is the time for measuring the number of cut-off(S25), and when it is the time, it is determined if the number of link cut-off is higher than the allowable number of cut-off(S26). When the number of link cut-off is higher than the allowable number, the number of link cut-off is initiated(S27).
Patent KR-20000027605-A (KR)
Title: Method and device for producing clad materials having excellent high temperature oxidization resistance and bending property
Inventor: LEE MOK YEONG
IPC: B23K1/00
Filed: 1998-10-28
Abstract: PURPOSE: A method and device are provided to bond the front face of two boards without high temperature oxidization by compressing and heating the width electric device of the board and to produce clad materials having excellent bending property. CONSTITUTION: A device for producing clad materials comprises electrode rolls(22) of an upper and lower unit which lift one between two rolls to feed current to the laminated boards by contacting with different sorts of laminated boards(21a,21b), and to bond laminated boards by compressing. The device contains a device(23) for lifting the roll connected to one between two rolls, a power supplier(25) supplying current to the electrode rolls, and a driving unit(24) giving rotating force to the electrode rolls. The lifting device, the power supplier and the driving unit are controlled by a control unit(26). The rolls are desirable to be longer than width length of the board and usually the length of the rolls is 10 to 2000mm.
Patent KR-19990081783-A (KR)
Title: 습식 전자사진방식 인쇄기기의 드라이유니트
IPC: G03G15/00
Filed: 1998-11-16
Abstract: 개시된 습식 전자사진방식 인쇄기기의 드라이유니트는, 드라이롤러가 감광벨트에 착탈되도록 메인프레임에 이동가능하게 설치되는 제1브라켓과; 히팅롤러가 장착되며, 그 히팅롤러가 드라이롤러에 착탈되도록 메인프레임에 이동가능하게 설치되는 제2브라켓과; 드라이롤러가 감광벨트에 밀착되는 방향 또는 그 반대방향으로 탄성력을 제공하는 제1탄성부재와; 드라이롤러와 히팅롤러가 밀착되는 방향 또는 그 반대방향으로 탄성력을 제공하는 제2탄성부재와; 메인프레임에 회전가능하게 설치된 것으로, 그 외주면에는 제1브라켓의 일측과 밀착되어서 제1탄성부재의 탄성력과 반대방향으로 제1브라켓을 연동시키기 위한 캠면이 형성되고, 내부에는 제2브라켓을 연동시키기 위한 캠홈이 형성된 캠부재와; 일단이 캠홈에 슬라이딩 가능하게 삽입되고 타단이 제2브라켓과 밀착되어서, 캠부재의 회전에 따라 회동되면서 제2탄성부재의 탄성력과 반대방향으로 제2브라켓을 연동시키는 연동레버; 및, 캠부재와 드라이롤러를 각각 선택적으로 회전구동시키는 구동수단을 포함한다.  이와 같은 구성에 의하면, 드라이롤러와 히팅롤러의 착탈위치를 변경시키면서 인쇄모드와 인쇄대기모드 및 정지모드에 적절히 대응할 수 있다.
Patent KR-20000033256-A (KR)
Title: Structure for damper of full automatic washing machine
Inventor: PARK YONG SEOK
IPC: D06F37/24
Filed: 1998-11-21
Abstract: PURPOSE: A structure for a damper is provided to reduce the number of components and the number of assembling processes, to prevent the generation of noise, and to do as a stable role of the damper by simplifying the structure of the damper to absorb the vibration generated in an outer washing tub. CONSTITUTION: After operating a washing machine(101), a vibration transferred to an outer washing tub(104) is transferred to a coiling portion of a damper spring through a spherical portion of a damper hanging portion(105). The vibration transferred to a damper spring(116) through the coiling portion is buffered by a compressing or a relaxing operation of the damper spring(116). The remained vibration not to be buffered in the damper spring(116) is transferred to a snubber bar(111) through a damper base, a low washer and a lower corking portion(113). The remained vibration is reduced by transferring to an upper pivot(115) upside the snubber bar(111) and an upper damper hanging portion(103) of an outer case(102). When the damper spring is compressed and relaxed, a damper tube(118) combined in an outer circumference of the damper spring(116) increases the buffering effect by adding the rubbing force.
Patent KR-20000033833-A (KR)
Title: Thin film transistor substrate for liquid crystal display and method for manufacturing thereof
Inventor: KIM DONG GYU
IPC: G02F1/136
Filed: 1998-11-26
Abstract: PURPOSE: A thin film transistor substrate for a liquid crystal display is to form an alignment pattern together with a data line so that a coupling capacitance between pixel electrodes is regular through an entire screen, thereby preventing a stitch defect. CONSTITUTION: A thin film transistor substrate for a liquid crystal display comprises a gate line (22) laterally formed on an insulating substrate, a gate insulating film stacked on the gate line, a data line(26) longitudinally formed on the gate insulating film, an alignment pattern(263) formed on the gate insulating film so as to be aligned at both sides of the data line at regular intervals, an amorphous silicon pattern(24) formed on the gate insulating film, a drain electrode(262) formed on the amorphous silicon pattern, a source electrode(261) which is formed on the amorphous silicon pattern so as to be separate from the drain electrode and connected with the data line, a protect film which is stacked on the data line, the alignment pattern, the source electrode and the drain pattern and has a contact hole(271) for exposing the drain electrode, and a pixel electrode which is formed on the protect film.
Patent KR-20000033907-A (KR)
Title: Sensing circuit of semiconductor memory device and sensing method thereby
Inventor: JEON SI BEOM
IPC: G11C16/26
Filed: 1998-11-26
Abstract: PURPOSE: A sensing circuit of a semiconductor memory device is provided to improve the sensing reliability for selected memory cells of a nonvolatile memory device and to sense the memory cells with low and high voltages at a high speed. CONSTITUTION: A sensing circuit of a semiconductor memory device comprises a bit line connected to a drain end of a memory cell through a Y-decoder, a sense line for sensing the data of the memory cell and outputting the data, a switching unit(33) for switching the bit line and the sense line, a first current supply unit(34) being dis placed between a power source voltage and the bit line to supply a current to the bit line of the memory cell, a second current supply unit(35) being dis placed between the power source voltage and the sense line to supply a current to the sense line, a voltage level shifter(32) for providing a certain potential between the bit line and the sense line, and a sense MOS transistor being dis placed between the sense line and the ground voltage, its gate end being connected to one end of the voltage level shifter.
Patent KR-20000033938-A (KR)
Title: Apparatus and method for automatically testing function of voice mail system
Inventor: KIM JI HYON
IPC: H04M3/22
Filed: 1998-11-26
Abstract: PURPOSE: An apparatus and a method for automatically testing function of voice mail system are provided so as to test the voice processing function of the voice mail system without an additional and special call tester. CONSTITUTION: A reference voice processor unit(70) stores an inputted DTMF(Dual Tone Multi Frequency ) tone according to a record control signal and outputs the DTMF tone, according to a regeneration control signal. A relative voice processor unit(75) stores an inputted DTMF tone according to a record control signal and outputs the DTMF tone according to a regeneration control signal. A switch(60) connects a call from the reference voice processor unit(70) to the relative voice processor unit(75) according to a selection control signal. A control unit(50) outputs the record control signal and the regeneration control signal to the reference voice processor unit(70) and the relative voice processor unit(75), outputs the selection control signal to the switch(60), and discriminates an inputted DTMF tone.
Patent KR-20000033992-A (KR)
Title: High molecular optical fiber array and package structure for flat optical circuit element connection
Inventor: JEONG MYONG YONG
IPC: G02B6/00
Filed: 1998-11-26
Abstract: PURPOSE: A high molecular optical fiber array and package structure for flat optical circuit element connection is provided to supply an optical array which is made by molding a high molecular material, which can be mass-produced and has a low heat expansion coefficient and to supply a package structure in which a packaging process is easy and can protect a transformation CONSTITUTION: A high molecular optical fiber array and package structure, which is useful in a low-cost and high-creditable connection technology of multi-channel flat optic circuit element, is disclosed. This invention uses an optic fiber array(20), which is molded with a high molecular material, as parts which connect optic fibers for making flat optic circuit element(10) low-price and high-creditable. The optic fiber array(20) can be made by molding at once and a hole(24) where the optic fiber is placed can be formed in a high-precis ion during molding. In case the optic fiber array(20) is formed with high molecular resin, the end of the optic fiber don't need a plurality of constituents for fixing and the level of requested super-precise processing method is low and this is suitable for mass-production. Considering mechanical strength and value stability, the optic fiber array(20) is produced with high molecular complex materials which consist of thermosetting epoxy resin and molted silica as a filler. The optic fiber array uses a Snap-Joint combination structure using an elastic body for a simple and creditable connection of a flat optic circuit element(10).
Patent KR-20000034218-A (KR)
Title: Air conditioner for both cooling and heating
Inventor: JEONG CHANG HUI
IPC: F24F1/00
Filed: 1998-11-28
Abstract: PURPOSE: An air conditioner for both cooling and heating is provided to enhance the heating performance of an air conditioner, to protect a heating unit and to prevent accidents by sufficiently heating an indoor space with the heating unit. CONSTITUTION: When a heating unit operates after a door(105) is removed from a lower panel(14), plural halogen heaters(102) radiates heat and light. The heat and light is radiated to the front face of a body(1) by a reflecting plate(101). The heat is equally dispersed when it passes a dispersing plate(103). Then, the heat is transferred to an indoor space through a heating port(14a) after passing a heating grill(104). When the temperature of indoor air rises with the heat, the hot air rises up and heats the indoor space at a proper temperature. Also, each halogen heater emits ultra violet rays so healing effect as to be expected.
Patent KR-19990062826-A (KR)
Title: 사이클로스포린 함유 약학적 조성물
IPC: A61K9/48
Filed: 1998-12-05
Abstract: 본 발명은 활성성분으로 사이클로스포린을 함유하는 약학적 조성물에 관한 것이다. 본 발명에 따른 조성물은 그 구성성분으로서 사이클로스포린, 공계면활성제로 트리아세틴 혹은 트리에틸시트레이트 단독 혹은 이 둘의 혼합물과 프로필렌 카보네이트와의 혼합물, 오일성분, 그리고 계면활성제를 포함한다. 본 발명에 따라 구성성분의 조성비를 적절히 조절하여 물에 녹였을 때 입자경이 100㎚ 이하인 O/W형 마이크로에멀젼을 얻을 수 있다. 본 발명의 조성물은 연질 캅셀제, 접합부를 젤라틴 벤딩으로 봉합한 경질 캅셀제 또는 경구용 액제로 제형화할 수 있다. 특히 본 발명의 조성물을 연질캅셀제로 제형화하는 경우에 용제의 젤라틴 막투과에 의해 야기되는 캅셀의 외형 변화나 용제의 휘발로 인한 약물의 침전형성 억제, 제조원가 절감에 의한 경제적 효과 등에서 뛰어난 이점을 제공하는 것을 특징으로 하고 있다.
Patent KR-19990071436-A (KR)
Title: 폴리페놀의 추출율과 저장성을 향상시킨 미숙사과농축물의 제조방법 및 그 용도
IPC: A23C9/133
Filed: 1998-12-11
Abstract: 본 발명은 기능성 물질로 알려진 폴리페놀성분을 다량 함유하는 미숙사과농축물의 제조방법 및 그 용도에 관한 것으로, 특히 미숙사과를 파쇄 즉시 50∼60℃의 온도에서 20∼30 분간 열처리한 후 착즙하고; 착즙액을 여과후 농도별로 감압농축하며; 농축액을 90∼95℃에서 20∼40 초간 살균처리함으로써 미숙사과에 함유된 폴리페놀성분의 추출율과 저장성을 향상시키는 것을 특징으로 한다.  본 발명에 따르면 간편하고 경제적인 방법으로 미숙사과로부터 식품에 활용하기에 적합한 형태, 즉 미숙사과농축물의 형태로 폴리페놀성분을 얻을 수 있으며, 이렇게 제조된 미숙사과농축물은 뚜렷한 GTase 활성억제효과를 나타내므로 발효유, 음료 등의 식품에 충치예방효과를 나타내는 기능성 식품소재로 첨가될 수 있다.
Patent KR-20000039785-A (KR)
Title: Semiconductor device having function of electro magnetic induction
Inventor: SONG IL SEOK
IPC: H01L27/04
Filed: 1998-12-16
Abstract: PURPOSE: A semiconductor device having a function of an electro magnetic induction is provided to reduce the size of a semiconductor substrate by using a multi layer metal wiring. CONSTITUTION: A semiconductor device has a silicon substrate(1) formed with an insulation film. A plurality of lower metal wires(3) are formed on the insulation film in such a manner that they are separated from each other in an equidistance. An insulation film is formed on the lower metal wires(3). A contact hole(7) is formed in the insulation film so as to expose the lower metal wires(3). A plurality of upper metal wires(8) are formed on the insulation film. The upper metal wires(8) are positioned between the lower metal wires(3). The upper metal wires(8) are electrically connected to the lower metal wires(3) through the contact hole(7).
Patent KR-20000040966-A (KR)
Title: Mortar for floor plastering using feldspar and preparation method thereof
Inventor: LIM BYOUNG HOON
IPC: C04B14/18
Filed: 1998-12-21
Abstract: PURPOSE: A mortar for floor plastering using feldspar and preparation method thereof is provided, which exhibits high strength, uniform quality and prevents cracking of structure by swelling properties of feldspar. CONSTITUTION: A preparation method of mortar for floor plastering using feldspar, according to one embodiment, comprises the steps: (1) mixing 25 parts by weight of cement with 75 parts by weight of powdery feldspar, and adding 50 parts by weight of water, based on the weight of cement to make slurry; (2) adding therein 0.2 parts by weight of fluidizing agent, based on the weight of cement to make mortar for floor plastering; (3) injecting prepared mortar in a mold, followed by curing for 48 hours in the humid circumstances; (4) removing the mold, followed by curing for 5 days in the humid circumstances; and then (5) curing it for 28 days at 18-25°C under 40-80% of relative humidity.
Patent KR-20000042396-A (KR)
Title: Method for fabricating capacitor having single crystal pt bottom electrode
Inventor: YANG BI RYONG
IPC: H01L27/10
Filed: 1998-12-24
Abstract: PURPOSE: A method for fabricating a capacitor having a single crystal Pt bottom electrode is provided which can prevent the penetration of hydrogen and H2O into a dielectric film and can suppress the deterioration of the device characteristics. CONSTITUTION: A capacitor having a single crystal Pt bottom electrode can prevent the deterioration of film quality due to the grain growth, shrinkage and hillock of a Pt electrode in a thermal process. The Pt is stable in a high temperature thermal process. A single crystal Pt film(17) is formed by depositing a Y2O3 ZrO2 film(15) as a buffer layer to form a single crystal Pt electrode and by forming a Bi4Ti3O12(BTO) film(16) as a template layer on a YSZ film. Thus, by the method, the structure change of an adhesive film is prevented from being generated by the oxidation reaction of the adhesive film due to oxygen diffused through the bottom electrode and the diffusion of Ti through grain. Accordingly, the generation of current stress and hillock can thoroughly be prevented.
Patent KR-20000042567-A (KR)
Title: Device for deciding level of equalizer for optical disk player
Inventor: JEONG MYEONG HWAN
IPC: G11B7/09
Filed: 1998-12-26
Abstract: PURPOSE: A device for deciding level of an equalizer for an optical disk player is provided to simplify the device for converting a playback signal equalized by a feed forward equalizer and a deciding return equalizer into a three-leveled signal. CONSTITUTION: A device for deciding level of an equalizer for an optical disk player contains a first comparer(200), a second comparer(250), and an OR gate(220). The first comparer receives data for comparing the data with a slice level having a plus value to output the result. The second comparer receives data for comparing the data with a slice level having a minus value to output the result. And, the OR gate receives the results of the first and the second comparers for OR operating the values to output the operated result.
Patent KR-19990037619-A (KR)
Title: 다층구조 스캔방법을 이용한 데이터표시장치
Filed: 1998-12-29
Abstract: 컴퓨터가 처리한 결과를 보여주는 수단으로서 일반적으로 CRT모니터가 사용되고 있다. 또한 최근에는 사용공간을 줄이려고 CRT모니터 대신 평판표시기(flatpanel display)를 사용하는 경우도 많다. 평판표시기를 비롯한 모니터의 원리는 각화면당 1초에 수십장의 영상을 반복적으로 표시하고 있다.    표시하는 방법은 도 2에서와 같이 수직 동기신호에 의하여 한 장의 화면을 만들고, 한 장의 화면은 다시 수평동기신호의 수에 의해 해상도에 따른 여러 라인의 신호를 만들고, 한 라인은 도트클락(dot c1ock)에 의하여 각 도트의 데이터가 표시된다.    이렇게 데이터를 표시했을 때, 화면은 일정간격의 수직동기 신호에 의하여 화면이 표시되므로, 화면은 일정간격의 껌뻑거림(flicker)현상이 생긴다.    이 껌뻑거림 현상으로  눈은 매우 피곤하게 된다.    본 발명은 이런 껌뻑거림 현상이 발생되지 않토록 하고 화면을 선명하게 하여 사용자로 하여금 피곤하지 않은 화면을 볼 수 있게 하기 위한 다층구조 스캔방법을 이용한 데이터 표시장치에 관한 것이다.
Patent KR-20000043521-A (KR)
Title: Pressure changeover valve of cryo pump
Inventor: JO SIN HYEON
IPC: F16K31/06
Filed: 1998-12-29
Abstract: PURPOSE: A pressure changeover valve of a cryo pump is provided to smoothly regenerate a cryo pump even in increase of friction force caused by the rust of a pressure changeover valve. CONSTITUTION: A pressure changeover valve(170) includes a valve support body(135), a pressure changeover valve cap(172) and an on/off valve body(174). The valve support body forms a male screw unit(135a) on the outer circumference as a part of a cryo pump(130) is protruded in a circular shape. The pressure changeover valve cap has a female screw unit in the inner circumference, and the on/off valve body is closely adhered/displaced from the pressure changeover valve cap. The inner pressure of the cryo pump is kept regular by injecting high-temperature dry nitrogen gas into the pump. Therefore, the cryo pump is protected from damage and explosion by preventing the abnormal action of the valve.
Patent KR-20000045124-A (KR)
Title: Serial adder circuit of channel card unit having isolated-baseband filters in radio port of wireless local loop system
Inventor: JO SANG HUN
IPC: H04B7/155
Filed: 1998-12-30
Abstract: PURPOSE: A serial adder circuit of a channel card unit is provided to improve forward link characteristics, by making baseband filters of the radio port channel card unit serially add and process in-phase(I) channel data and quadrature(Q) channel data outputted from modems in a wireless local loop(WLL) system. CONSTITUTION: A channel card unit has an isolated-filter in a radio port of a wireless local loop(WLL) system. A serial adder circuit of the channel card unit comprises first to fourth serial adders(20-1-20-4), a fifth serial adder(20-5), a sixth serial adder(20-7), a seventh serial adder(20-7), and a multiplexer(MUX)(30). The channel card unit supports a code division multiple access(CDMA) interface with a subscriber interfacing unit in the radio port. When modems of a channel card in the channel card unit do not build baseband filters thereon, the serial adder circuit inputs two of one-bit I(In-phase) channel data and Q(Quadrature) channel data outputted from the modems(0-7) by being applied with CDMA in the first to the fourth serial adders. The modems process 8 channels in the channel card. The serial adder circuit serially adds the I/the Q channel data according to I channels and Q channels. The fifth serial adder serially adds again two-bit I/Q channel data which are serially added in the first serial adder(20-1) and the second serial adder(20-2), according to I channels and the Q channels. The sixth serial adder serially adds again the two-bit I/the Q channel data outputted from the third/the fourth serial adders, according to I channels and the Q channels. The seventh serial adder serially adds again three-bit I/Q channel data outputted from the fifth/the sixth serial adders, according to I channels and the Q channels. The MUX multiplexes four-bit I/Q channel data outputted and added from the seventh serial adder. The MUX outputs the one-bit I/the Q channel data to the baseband filters, through a digital adder of an intermediate frequency(IF) card in the channel card unit.
Patent KR-19990028890-A (KR)
Title: 비데오 멀티플렉서
IPC: H04N7/08
Filed: 1996-07-10
Abstract: 비데오 시스템 제어기(200)는 비데오 카메라라인(100)에 동기화펄스를 삽입시켜, 비데오 카메라라인에 비데오의 프레임을 발생시킨다. 비데오 시스템 제어기는 또한 비데오의 프레임의 넌-뷰드라인의 활성 비데오주기에 카메라코드를 삽입시킨다. 다수의 카메라유닛(301-304)들은 비데오 카메라라인에 연결되고 또한 다른 카메라유닛과 동기화를 유지하기 위하여 비데오 카메라라인에 위치된 동기화펄스를 사용한다. 비데오 카메라라인에서 특정 카메라코드를 감지하면, 특정 카메라코드와 일치하는 카메라가 특정 카메라코드를 가지는 비데오의 프레임동안 뷰드 비데오라인의 활성 비데오 시간주기에 비데오 영상신호를 삽입시킨다. 비데오 카메라코드는 비데오 시스템 제어기로부터의 동기화펄스와 비데오 영상신호의 합성을 가지는 비데오의 프레임을 수신하는 비데오 시스템 제어기로 복귀된다. 그런 다음, 비데오 시스템 제어기는 비데오 레코더 또는 디스플레이(400)에 비데오 영상신호를 전송한다.
Patent KR-19990063759-A (KR)
IPC: H01G9/058
Filed: 1996-09-27
Abstract: PCT No. PCT/SE96/01216 Sec. 371 Date Jun. 1, 1998 Sec. 102(e) Date Jun. 1, 1998 PCT Filed Sep. 27, 1996 PCT Pub. No. WO97/11923 PCT Pub. Date Apr. 3, 1997The present invention is related to a method of producing a nanoporous body containing nanodiamonds and having a desired shape, comprising the steps of: forming an intermediate body having the desired shape of nanodiamond particles having a maximum size of 10 nm, exposing said body to a gaseous hydrocarbon or a mixture of hydrocarbons at a temperature exceeding the decomposition temperature for the hydrocarbon or the hydrocarbons. In accordance with the invention the intermediate body is formed with a porosity of 50-80 vol. %, and during the heat treatment of the intermediate body with hydrocarbon or hydrocarbons, the mass of the body is increased by 50% at the most. The present invention also relates to a nanoporous body produced by the method and to uses of such a body.
Patent KR-19990072074-A (KR)
Title: 웨이퍼평활도를유지하는동안웨이퍼물질의금속오염세척
IPC: C11D7/50
Filed: 1997-10-07
Abstract: 마이크로일렉트로닉스 웨이퍼물질 표면은, 알칼리의 수용성용액과, 자유염기-금속이온 그리고  2 내지 10의 -OH그룹을 포함하는 폴리하이드록시 복합물로 구성되고 상기 폴리하이드록시 복합물은 다음식을 가지며: 
     HO - Z - OH,  상기 식에서 -Z-는 -R-, -(-R 1 -O-) x -R 2 - 또는 -R 3 - 이며 상기 
     │ 
     (OH)y 
     -R-, -R 1 -, -R 2 - 그리고 -R 3 -는 알킬렌 라디칼이고, X는 전체 정수의 수가 1 내지 4, Y는 전체정수의 수가 1 내지 8, 복합물에서 탄소원자의 수는 10을 초과하지 않으며, 그리고 수용성용액내에 존재하는 물은 최소한 조성물 중량의 약 40%를 포함되도록 구성되는 수용성 세척용액에 상기 웨이퍼표면물질이 접촉되도록 함에의해 상기 웨이퍼물질 표면평활도를 유지하는 동안 금속오염을 제거하기 위해 청소된다.