baber/WOPTO huggingface dataset:
Patent KR-20000008771-A (KR)
Title: Apparatus and methode for detecting speed of motor using alternate tacho-generator
Inventor: OH WON SEOK
IPC: H02P5/00
Filed: 1998-07-15
Abstract: PURPOSE: An apparatus and a method for detecting a speed of a motor using an alternative tacho-generator is provided to reduce a time for a speed detection by using a linear operation element. CONSTITUTION: An apparatus and a method for detecting a speed of a motor using an alternative tacho-generator comprises: a tacho-generator(101); a first, a second, and a third amplifiers(102,103,104); a first, a second, and a third square multipliers(105,106,107); an adder(108); a fourth amplifier(109); a square root multiplier(110); and a fifth amplifier(111). The tacho-generator generates three-phase sine wave. The first, the second, and the third amplifiers amplify gains of a first, a second, and a third sine waves. The first, the second, and the third multipliers obtain a square multiplication for the signal. The adder adds the multiplied signal. The fourth amplifier amplifies the signal from the adder. The square root multiplier obtains the square root of the amplified signal. The fifth amplifier amplifies the gain of the signal.
Patent KR-20000008971-A (KR)
Title: Preparing method for foaming styrene resin with good distribution of particle size
Inventor: SONG KANG IL
IPC: C08F12/08
Filed: 1998-07-20
Abstract: PURPOSE: A foaming styrene resin having the uniform particle size of 0.5 to 1.2 millimeter is prepared by a suspension polymerization using aqueous peroxide. CONSTITUTION: The suspension polymerization method comprises: mixing, based on 100 parts by weight of the styrene monomer to be polymerized, 0.25 to 0.50 part by weight of solid fine powder, 0.10 to 0.50 part by weight of an electrolyte and 0.01 to 0.05 part by weight of an anionic surface-absorption polymer with water in a reactor to prepare a suspension; adding a dispersion of the styrene monomer to the suspension under stirring; and adding 0.0002 to 0.005 part by weight of aqueous peroxide based on 100 parts by weight of the styrene monomer, right before heating the reactor to about 90°C. The solid fine powder comprises calcium phosphate. The electrolyte is selected from the group consisting of nitrate, sulfate, carbonate and benzoate. The anionic surface-absorption polymer includes sodium dodecyl benzenesulfonate. The aqueous peroxide includes magnesium persulfate. The styrene monomer further comprises acrylonitrile or alpha-methylstyrene.
Patent KR-19990014140-A (KR)
Title: Mos 기술을 사용한 스트립라인 광 도파관
IPC: G02B6/122
Filed: 1998-07-24
Abstract: 본 발명은 스트립라인 광 도파관(4)에 관한 것이고, 이러한 도파관(4)은 유전체층(2)과 금속 스트립(3)을 포함하고 반도체 몸체(1)상에 제공되며, 광은 레이저 또는 유리섬유 라인을 사용하여 광 도파관(4) 내부로 투사된다. 
     유전체층(2)내에서 거울과 같은 역할을 하는 에칭 플랭크(10)가 각각 레이저 또는 유리섬유 라인 아래에 결합된다.
Patent KR-20000013729-A (KR)
Title: Method and apparatus for removing organic material, phosphor and nitrogen from organic wastewater
Inventor: YOON IN SOO
IPC: C02F1/74
Filed: 1998-08-12
Abstract: PURPOSE: An organic wastewater treatment method uses a control tank for controlling flow rate, water quality and temperature of organic wastewater, an aeration tank for aeration of the wastewater and a sedimentation tank for sedimentation of sludge, and returns the sedimented sludge from the sedimentation tank to the aeration tank, thereby removing organic materials, phosphor and nitrogen without a separate processing facilities. CONSTITUTION: In an organic wastewater treatment method using a control tank for controlling flow rate, water quality and temperature of organic wastewater, an aeration tank for aeration of the wastewater and a sedimentation tank for sedimentation of sludge, and returning the sedimented sludge from the sedimentation tank to the aeration tank, a method for removing organic materials, phosphor and nitrogen from the organic wastewater alternately performs aeration in the aeration tank and non-aeration in the control tank in order to remove the organic materials, phosphor and nitrogen in the control tank and the aeration tank. and returns the wastewater denitrified at the control tank to the aeration tank.
Patent KR-20000014941-A (KR)
Title: Method for controlling a printing voltage of a picture forming apparatus
Inventor: NO SEOK PIL
IPC: G03G15/00
Filed: 1998-08-26
Abstract: PURPOSE: A method for controlling a printing voltage of a picture forming apparatus is provided, which adjusts a printing voltage according to a circumstance temperature of a circumference of a fixing device to prevent a change of a printing quality. CONSTITUTION: The method for controlling a printing voltage of a picture forming apparatus comprises the steps of: storing a current temperature and a printing voltage value corresponding to the current temperature as a look-up table type; (S10) detecting the current temperature from a temperature sensing device when a picture forming is operated; (S20) detecting the printing voltage corresponding to the current temperature detected in the detecting step (S10); and electrifying a printing roller according the printing voltage value. Thereby, it is possible to improve the printing quality.
Patent KR-19990064386-A (KR)
Title: 황토 한증막
IPC: A61H33/06
Filed: 1998-09-08
Abstract: 본 발명은 한증막에 관한 것으로, 기부(5)를 가지며, 내부공간을 형성하는 벽이, 가열시에 축열하고 사용중에 방열하며 접촉되는 내부 공기를 계속 가열하여 대류에 의해 내부가 일정한 온도로 유지되도록 하며 내부공간으로 원적외선을 방사하도록 된 내측부(8)와, 그 외측에 배치되어 내측부를 보호하며 단열하는 외측부(7)로 이루어져 구성되며, 상기 내측부(8)는 하측에는 맥반석으로 되고 그리고 중상측에는 구들돌들로 이루어져 축열과 함께 원적외선을 방사하도록 된 석판(9)들을 점결제로서 황토(10)를 사용하여 적층하여 이루어지고 내부의 지면에는 황토층(15)이 형성되고, 상기 외측부(7)는 화강암의 견치석(2)을 결합제로 적층하며, 내측부(8)와 외측부(7) 사이에는 황토로 채워지는 것으로, 가열시에 상기 내측부의 맥반석 및 구들돌과 황토에 열에너지가 저장되어 시간경과에 따라 점차적 및 지속적으로 열에너지가 방출되어 한증막 내부 공간의 온도를 일정하게 유지할 수 있어 열효율이 크게 개선되고, 맥반석과 구들돌 및 황토로 부터 방출되는 열에 의해 땀과 함께 인체에 축적된 노폐물이 배출됨과 아울러 가열된 맥반석들과 황토로 부터 대량으로 방출되는 원적외선에 의해 이용자의 건강을 증진할 수 있는 장점이 있다.
Patent KR-20000019979-A (KR)
Title: Fluorescent polymer composition including distyrylarylene unit
Inventor: GONG MYUNG SUN
IPC: C09K11/06
Filed: 1998-09-17
Abstract: PURPOSE: Provided is the fluorescent polymer composition which has the main chain including the toxic organic phosphor, distyrylarylene unit, so that this polymer composition is nontoxic and has a good luminance. CONSTITUTION: The fluorescent polymer composition including distyrylarylene unit comprises the fluorescent polymer including distyrylarylene unit and the chemical energy transfer system including oxalate/peroxide/organic salt to supply the chemical energy for luminescence. One between 4,4'-bis£2-(4-alkoxyphenyl)-2'-phenyl vinyl| benzene derivatives represented as formula 1 and formula 2 and 4,4'-bis£3,4,5-trialkoxyphenyl vinyl| benzene derivatives represented as formula 3 and formula 4 can be used as the fluorescent polymer including distyrylarylene unit. In formula 1 and formula 3, R is alkyl having the carbon number of 1-16 or -(CH2CH2O)Y-CH2CH2-, R' is alkyl or alcoxy having the carbon number of 1-12 and Y is alkyl ether having the carbon number of 1-5. In formula 2 and formula 4, R is alkyl having the carbon number of 2-16, orthophenyl, methaphenyl, paraphenyl, 1,4-naphthyl, 2,3-naphthyl, 2,6-naphthyl, 1,2-cyclohexyl, 1,3-cyclohexyl, or 1,4-cyclohexyl and R' is alkyl or alcoxy having the carbon number of 1-12. One among bis(2,4-dinitrophenyl) oxalate, bis(pentafluorophenyl) oxalate, bis(2,4,6-trichlorophenyl) oxalate, and bis£2,4,5-trichloro-6-(pentyloxycarbonyl)phenyl| oxalate as oxalate can be used, and peroxide such as hydrogen peroxide can be used. Sodium benzoate, Sodium salicylate, and so forth as organic salt can be used.
Patent KR-20000025487-A (KR)
Title: Color tread rubber composition for tire
Inventor: JUNG IL TAEK
IPC: C08L7/00
Filed: 1998-10-12
Abstract: PURPOSE: A color tread rubber composition for tire blended an ultra violet stabilizer with 100% silica and a pigment as a filler and a reinforcing material is provided which improves color fastness having no effect on tensile strength, modules and deformation rate. CONSTITUTION: A color tread rubber composition for tire is blended a polymer, 10-120 pH of 100% silica as a non contaminating filler and reinforcing material, a pigment, an ultra violet stabilizer with conventional tire tread rubber composition. The polymer comprises 10-40 phr of a natural rubber, 0-50 phr of butadiene rubber and 40-80 phr of styrene-butadiene rubber. The pigment uses 2-8 phr of red and yellow azo and 2-8 phr of phthalocyanine.
Patent KR-20000025863-A (KR)
Title: Record/reproduce apparatus
Inventor: KWON TAE KYUNG
IPC: G11B20/10
Filed: 1998-10-15
Abstract: PURPOSE: A record/reproduce apparatus is provided to record data without a loss by varying an amble data pattern according to a record rate. CONSTITUTION: In a record/reproduce apparatus, an amble data generating part(310) selects one of plural amble pattern according to a record rate input from an exterior. A synchronous signal generating part(313) generates a synchronous signal of a constant period, and an identification generating part(312) generates an identification of a constant period. A data generating part(313) outputs data to be recorded to a tape, and a multiplexer(314) selectively outputs data from the amble data generating part, the synchronous signal generating part and the data generating part according to a record form of the tape.
Patent KR-20000026181-A (KR)
Title: Method and apparatus for searching synchronous of tv
Inventor: HAN SANG CHEOL
IPC: H04N5/04
Filed: 1998-10-19
Abstract: PURPOSE: A method and an apparatus for searching a synchronous of TV are provided to prevent a channel selection difference between a main channel selection and a sub channel selection from being generated and present a non necessary channel from being memorized. CONSTITUTION: An apparatus for searching a synchronous of TV includes first and second tuners (10, 20), first and second switching parts(30, 40), a main synchronous dividing circuit, a sub-synchronous dividing circuit, and a micro-computer(70). The first and second tuners output a main scene TV signal and a sub scene TV signal to a first switching part and a second switching part, respectively. The first and second switching part switch the main picture signal or a sub picture signal under the control of the micro-computer. The main synchronous dividing circuit divides a synchronous signal using an amplitude method from the switched picture signal in the first switching part. The sub-synchronous dividing circuit divides a synchronous signal using a pulse method from the switched picture signal in the second switching part. The micro-computer checks whether there is a synchronous signal or not and judges memory/deletion of a signal.
Patent KR-20000026471-A (KR)
Title: Preferential ranking interrupt control circuit.
Inventor: JO GWANG HWI
IPC: G06F9/22
Filed: 1998-10-20
Abstract: PURPOSE: A preferential ranking interrupt control circuit is provided to prevent the entry of new interrupt when the acknowledge signal of interrupt is acted. CONSTITUTION: The interrupt control circuit takes an interrupt require signal from at least one interrupt source and generates a corresponding interrup vector address. The circuit includes a latch means latching a second interrupt require signal when a second interrupt require signal, and an address occupance means which takes the interrupt require signal output from latch means and generates a corresponding interrupt vector address.
Patent KR-20000026699-A (KR)
Title: Method for inspecting subscriber's board in exchange system
Inventor: KIM JAE KWON
IPC: H04Q1/20
Filed: 1998-10-22
Abstract: PURPOSE: In a method for inspecting a subscriber's board in an exchange system is provided to easily add new inspecting functions without ICC(ISDN communication controller device). CONSTITUTION: In a method for inspecting subscriber's board in an exchange system, an inactivation request signal is first applied to a subscriber's interface part(S11), and it is determined if the inactivation of the subscriber's interface part is completed(S12). Next, when the inactivation of the subscriber's interface part is completed, an activation request signal is transmitted to the subscriber's interface part(S13), then it is determined if the activation of the subscriber's interface part is completed(S14). When the activation of the subscriber's interface part is completed, a subscriber's line is activated(S15). Next, a subscriber's board is activated(S16).
Patent KR-20000026838-A (KR)
Title: Steel tire cord for reinforcing of rubber having excellent age adhesion
Inventor: KIM DONG HUN
IPC: D02G3/48
Filed: 1998-10-23
Abstract: PURPOSE: A tire cord for reinforcing of a rubber is provided to show the excellent age adhesion for every rubber compositions, and to be improved a prescribed adhesion. CONSTITUTION: An excellent corrosive prevention of the cord and the maintenance of prescribed adhesion of high temperature is obtained by spreading an oil mixed a mineral oil and an ester fatty acid in an appropriate rate onto the surface of a tire cord for reinforcing of a rubber. The used mixed oil has the 80: 20 of mixed ratio of the mineral oil and the ester fatty acid, a 0.860-0.865 load at 20°C, the 20-40cST viscosity at 40°C, the 3-6cST viscosity at 100°C, and the 35-50 ester index. The spread of oil is performed during a process for processing the cord before the cord is buried inside the rubber, and the range of oil spreading amount is maintained within the range of 0.1-25g/kg for the steel cord of 1kg.
Patent KR-19990037414-A (KR)
Title: 인쇄기의 현상액 오염 측정장치
IPC: G03G15/00
Filed: 1998-10-27
Abstract: 광원유니트와, 광원유니트에 대응되게 마련되어 광원유니트에서 출사되고 칼라 현상액을 경유한 광을 수광하는 광검출기와, 칼라 현상액에 대한 기준신호를 제공하는 기준신호 제공수단과, 광검출기의 검출신호와 기준신호를 비교하여 칼라 현상액의 오염 정도를 판단하는 비교판단부를 포함하여, 감광매체에 형성된 정전잠상을 현상하는 소정 칼라 현상액의 오염 정도를 측정하는 것을 특징으로 하는 인쇄기의 현상액 오염 측정장치가 개시되어 있다. 
     이와 같은 현상액 오염 측정장치는 각 칼라 현상액 즉, 옐로우, 마젠타 및 시안 현상액의 오염 정도를 측정할 수 있으므로, 적절한 시기에 현상액을 교체할 수 있어 이를 채용한 인쇄기는 고품질의 칼라 인쇄가 가능하게 된다.
Patent KR-19990037454-A (KR)
Title: 디지털 데이터를 재생하는 재생장치, 디지털 데이터가 기록된기록매체, 재생 프로그램이 기록된 컴퓨터 판독가능한 기록매체
IPC: G06F13/10
Filed: 1998-10-28
Abstract: 컴퓨터 네트워크를 경유하여 발주를 행하는 형태의 온라인 쇼핑에서, 발주와는 관계없는 버튼 선택을 금지하는 일 없이, 요금에 관련한 조작에 관해서만 오조작이나 부정조작을 방지한다. 
     버튼 데이터에 제어 커맨드 및 그 실행조건을 규정하는 실행조건 정보를 저장한다.  또한 비휘발 메모리 중에 제어 커맨드의 실행허가를 판단하기 위한 시행허가 판단정보를 저장한다.  버튼의 누르기 조작을 접수했을 때에는 제어부(5)는 상기 실행조건 정보와 상기 실행허가 판단정보를 참조하여 선택된 버튼에 대응하는 제어 커맨드의 실행의 허가를 판단한다.
Patent KR-20000031484-A (KR)
Title: Apparatus and method for preparing an optical fiber preform capable of minimizing the processing time
Inventor: SUH MAN SUK
IPC: C03B37/00
Filed: 1998-11-06
Abstract: PURPOSE: An apparatus and a method for preparing an optical fiber preform are provided, to minimize the time required for condensing and close processes, thereby to reduce the total processing time. CONSTITUTION: An optical fiber preform is prepared by depositing a core and a clad to the inside of a circular tube by the MCVD (Modified Chemical Vapor Deposition); closing a valve(24) to close the path(21) through which a source gas is supplied into the circular tube and to open a second path of the tube which connects the tube equipped in an MCVD lathe(22) and a pump(25); measuring the inner pressure of the tube through the second path; comparing the measured pressure and the predetermined pressure; vacuum-pumping the air of the tube through the second path if the measured pressure is larger than the predetermined pressure; and condensing the tube by moving a burner. The processes from the pressure measurement and the condensation of the tube are repeated until the condensation is finished.
Patent KR-19990014546-A (KR)
Title: 중금속 폐수의 슬러지를 이용한 인조자갈 및 칼라세라볼의 제조 방법
Filed: 1998-11-21
Abstract: 본 발명은 철강 공장 폐수의 슬러지를 사용한 건자재의 제조 방법 및 이와 같이 제조된 건자재에 관한 것으로서, 보다 구체적으로는 중금속이 함유된 폐수를 처리한 후 부생되는 슬러지를 안정화시켜 건자재를 제조하는 방법 및 이와 같이 제조된 건자재, 예를 들면 인조자갈 및 칼라세라볼에 관한 것이다. 본 발명에 따라 제조된 인조자갈 및 칼라세라볼은 흡수율이 낮고 압축 강도가 높을 뿐만 아니라 중금속이 용출되지 않으며 검정색의 색상이 우수하다. 따라서, 중금속 폐수의 슬러지를 재활용함으로써 폐기물 처리 비용을 절감할 수 있어, 경제적이면서도 환경 오염을 줄일 수 있을 뿐만 아니라, 우수한 물성을 갖는 인조자갈 및 칼라세라볼을 제조할 수 있다.
Patent KR-20000033497-A (KR)
Title: Method for providing internet protocol level connectivity among internet access terminals
Inventor: JEONG SOO KIL
IPC: H04L29/06
Filed: 1998-11-24
Abstract: PURPOSE: A method for providing internet protocol level connectivity among internet access terminals is provided so that a subscriber terminal having an intrinsic internet protocol address can proceed internet communication with a dial-up internet access terminal not having an intrinsic internet protocol address by setting up internet protocol level connectivity. CONSTITUTION: The domain name system resolver of a terminal A(10) sends the domain name system query packet having the domain name of a terminal B(22) to an internet(12)(2-1). The terminal B(22) receives the allocation of an intrinsic IP address, and is connected to the internet(12)(2-1-2-7). The domain name system response packet comprising the IP address or name error of the terminal B(22) is returned to the terminal A(10)(2-8).
Patent KR-20000034240-A (KR)
Title: Apparatus for controlling brightness of pdp television
Inventor: LEE SUNG DAE
IPC: H04N5/66
Filed: 1998-11-28
Abstract: PURPOSE: An apparatus for controlling brightness of PDP(Plasma Display Panel) television is provided to control the brightness of PDP television in a stable status. CONSTITUTION: An apparatus for controlling brightness of PDP(Plasma Display Panel) television includes a data processor, a scan/sustain actuator, a group of data conversion tables(202), a group of sustain tables(204), a table select signal generator, and a first and second selectors. The data processor converts an analog image signal to n-bit digital data and reconfigures the n-bit digital data to an n sub field data. The scan/sustain actuator generates a scan/sustain signal according to the sub field. The group of data conversion tables(202) includes n data conversion tables set with different maximum brightness level for each sub field. The a group of sustain tables(204) includes n sustain period variation tables according to the n data conversion tables. The table select signal generator generates a table select signal according to a vertical synchronous signal. The first and second selectors select one of a data conversion tables or a sustain period variation tables.
Patent KR-20000034517-A (KR)
Title: Detect circuit of jamming frequency of code division multiple access system
Inventor: LEE SEUNG YOL
IPC: H04B1/71
Filed: 1998-11-30
Abstract: PURPOSE: A detect circuit of jamming frequency of code division multiple access (CDMA) system is provided so that the frequency band of jamming can be detected more precisely by only inputting the pure jamming component deleted CDMA component to a phase-locked loop, thereby outputting the exact jamming frequency. CONSTITUTION: A detect circuit of jamming frequency of code division multiple access (CDMA) system includes a band pass limiter (130) for outputting the pure narrow band jamming component by removing CDMA component from the output signal of the band pass filter (120). A phase-locked loop (140) outputs a jamming frequency by inputting the output signal of the hard band pass limiter (131).
Patent KR-20000040973-A (KR)
Title: Device for preventing air leakage of air conditioner
Inventor: KIM CHI WAN
IPC: F24F13/00
Filed: 1998-12-21
Abstract: PURPOSE: A device for preventing the air leakage of an air conditioner is provided to easily insert and separate a device for preventing an air leakage for closing a coolant leakage part. CONSTITUTION: Plural hanging protrusions(111) are formed on one side of a seal member(100), and a face part(112) is formed between hanging protrusions(111). When the seal member is inserted in a counterpart material, air is prevented from leaking between a combined gap by forming an additional frame on a base part of the hanging protrusion. Plural saw tooth type protrusions are formed on one side of the seal member to close a gap of an air guide for forming the air channel and a control box for operating a window type air conditioner. Thereby, the coolant leakage part is firmly closed, and the seal member is easily installed and is not easily separated.
Patent KR-20000041234-A (KR)
Title: Internal display device of vacuum chamber
Inventor: KIM DONG HYUN
IPC: H01L21/66
Filed: 1998-12-22
Abstract: PURPOSE: An internal display device of vacuum chamber is provided to watch inside of the chamber by naked eye during operating, thereby solve the problems of abnormal equipments without opening the chamber. CONSTITUTION: An internal display device of vacuum chamber comprises a lamp housing(1), a lens tube(2), a light source(20), a radiation angle shifter(3), an object lens(10), an eye lens(11), an optical fiber(12), a camera(13), a controller(14) and a monitor(15). The a lens tube(2) is disposed within the lamp housing(1). The radiation angle shifter(3) rotates the lens tube. The object lens(10) and the eye lens(11) are respectively disposed on both sides of the lens tube. The optical fiber(12) transfers the image objected by the object lens to the eye lens. The camera(13) is connected to the eye lens to photograph the image focused on the eye lens.
Patent KR-20000041433-A (KR)
Title: Wafer probe system
Inventor: CHOI IM CHEOL
IPC: H01L21/66
Filed: 1998-12-22
Abstract: PURPOSE: A wafer probe system is provided to enhance productivity and check the conditions of the wafer or the system to perform test in optimum conditions through accumulated data. CONSTITUTION: A wafer probe system comprises a CPU(10), a memory(20) for storing data, a vision unit(30) capturing image data, a display(40), a display control(50) and a communication interface(60) for interfacing data transmission to a network. Data such as OCR, probe masks, probe card needle in a vision image are stored in the memory of hard disk by file unit or database. The data stored in the hard disk are consistently updated in FIFO(First Input First Output) order.
Patent KR-20000041615-A (KR)
Title: Method of measuring supersonic flux using variable delay device
Inventor: PARK SANG GUK
IPC: G01F23/28
Filed: 1998-12-23
Abstract: PURPOSE: A supersonic flux measuring method using a variable delay device is provided to prevent error in measurement by installing a variable delay for controlling time interval until a following transmitted wave is transmitted according to the length of the aftershock of a received wave. CONSTITUTION: To control time interval until a following transmitted wave is oscillated according to the length of an aftershock wave of a received wave, a variable delay device is installed between a pre-amplifier(20) and a microprocessor(3) of a general measurement system. The sound wave transmitted from a first sensor(A) installed on one side of a pipe(1) is received in a second sensor(B) installed on the other side of the pipe. The aftershock of the received sound wave signal is decided in the microprocessor. If the aftershock continues for long time, the oscillation of a following transmitted wave is delayed by a command via the variable delay device. The variable delay device delays the transmitted wave transmitted to the pre-amplifier from the microprocessor for a certain time.
Patent KR-19990030436-A (KR)
Title: 실리콘 웨이퍼의 최종연마용 슬러리
IPC: C09K3/14
Filed: 1998-12-30
Abstract: 본 발명은 저헤이즈(haze)특성을 갖도록 하기 위해 소량의 아민을 첨가하고 입자의 크기를 평균 20nm로 하여 실리콘 웨이퍼의 최종연마(final polishing)에 사용되도록 한 실리콘 웨이퍼의 최종연마용 슬러리에 관한 것이다. 본 실리콘 웨이퍼의 최종연마용 슬러리는 콜로이달 실리카 수용액에 셀룰로오스, 암모니아, 아민, 고분자 사카라이드를 첨가하여 저헤이즈성, 저표면거칠기, 저입자 잔류성의 조성물을 갖으며,  상기 콜로이달 실리카는 입자의 직경이 10∼30nm의 범위에 있으며, 그 함량은 5∼10wt%, pH는 10∼11의 범위에 있다. 이에 따라, 평균 입자의 지름이 20nm가 되는 입자를 사용하고, 아민의 양을 저감함으로써 육안관찰시의 헤이즈를 완전히 제거하며 기계적 헤이즈 측정치도0.03ppm 이하의 수준을 나타내고, 표면거칠기도 0.9Å이하로 경면화가 가능한 효과가 있으며, 특히 향후 256M이상의 고집적화된 반도체를 위한 실리콘 웨이퍼의 제조에 적합한 것으로서 고품질의 반도체 칩 생산이 가능해지고, 동반되는 수율도 향상될 수 있다.