baber/WOPTO huggingface dataset:
Patent KR-100649364-B1 (KR)
Title: An absorption apparatus of impact using median strip of road
Inventor: PARK SANG SOO
IPC: E01F15/00
Filed: 2006-08-29
Granted: 2006-11-29
Abstract: An eco-friendly impact absorbing device of a road median strip is provided to improve road environment and to clean up the air by growing up plants in a transparent vegetation unit of a road median strip and to prevent the damage of a vehicle and a road median strip by absorbing impact caused by a collision using an impact absorbing plate. An eco-friendly impact absorbing device of a road median strip is formed by forming a fixing groove(15) on the top of a road median strip(10) and inserting a transparent vegetation unit(60) into the fixing groove, fixing impact absorbing plates(20) on both sides of a vertical part(12) of the road median strip to be movable and supporting the impact absorbing plates elastically using a plate spring(40) and bellows(50) and fixing an impact absorbing cover(30) to the outside of the impact absorbing plate. Hereon the road median strip contains a fixing part(11) formed on the lower part to be fixed to the center of a road by fixing anchors(14), a vertical part formed on the upper part of the fixing part and provided with a fixing groove, side grooves(16) formed on both sides of the vertical part to be deep toward the heading direction of vehicles and provided with hinges(17) to fix the impact absorbing plates to be movable, and an installation groove(18) formed on the opposite side of the hinge to fix a fixing plate(19) having many rings for fixing one end of a spring; the impact absorbing plate contains hinge holes(22) formed vertically to fix with the hinges of the road median strip using long bolts and nuts, and an installation groove(23) formed to fix a fixture(24) using bolts; the impact absorbing cover contains fixing parts(31) to be fixed to the outside of the impact absorbing plate using bolts and many elastic semi-circular projections(32) formed to be bigger successively toward the heading direction of vehicles; the plate spring is fixed to the rear of the impact absorbing plate to support the impact absorbing plate elastically; the bellows reduces the rotating speed of the impact absorbing plate when the impact absorbing plate rotates on the side grooves by fixing a hollow wrinkle part(52) to a fixing plate(51) and fixing the fixing plate to the side grooves of the median strip; and the transparent vegetation unit contains a vegetation box(62) formed on the lower part to be supported to a fixing groove(15) of the median strip and a vegetation groove(61) formed on the inside of the vegetation box to grow plants.
Patent KR-100749924-B1 (KR)
Title: Transfering apparatus of hangers for fixing boards according to plating methods for perpendicular, continuity and so on of boards
Inventor: SON JONG GYU
IPC: C25D17/06
Filed: 2006-08-29
Granted: 2007-08-21
Abstract: An apparatus for transferring board fixing hangers in a method for coating copper on boards vertically and continuously is provided to enable hangers to which boards are fixed to move at a uniform speed by installing a ratchet device for preventing reverse rotation on one parts of gears, and simplify the structure of the apparatus by transferring the hangers and a transfer chain through chain gears. An apparatus for transferring board fixing hangers in a method for coating copper on boards vertically and continuously is characterized in that: clamping holes(2) are formed at both sides of one surface of an upper part of a hanger body(1); reverse rotation-preventing devices(3) and chain gears(4) are respectively clamped to the clamping holes such that the chain gears are connected to a transfer chain(5); and the reverse rotation-preventing devices comprises a spur gear(6) on which teeth are formed horizontally, and which is clamped to a shaft, and a ratchet(7) installed on the hanger body such that the ratchet engages with the teeth of the spur gear.
Patent KR-100702035-B1 (KR)
Title: Manufacturing Process and 3D[Three-Dimensional] Terracotta Makeup Cosmetic Composition of A Powder Cosmetic
IPC: A61Q1/02
Filed: 2006-08-30
Granted: 2007-03-30
Abstract: A three-dimensional terracotta makeup cosmetic composition is provided to have contents stability and feeling of use capable of easily securing the variety of designs of powder content, and be able to express natural feeling of use and color sense. And a method for producing the same is provided to be able to maximize the efficiency of manufacturing process and improve the manufacturing yield. The three-dimensional terracotta makeup cosmetic composition comprises 1.0-20.0 wt.% of at least one oil and silicone, 0.01-5.0 wt.% of at least one gum, 30.0-70.0 wt.% of at least one body pigment and inorganic pigment, 20.0-50.0 wt.% of a nano-solvent, 0.5-10.0 wt.% of at least one moisturizing agent, 0.01-1.0 wt.% of a preservative and 0.01-1.0 wt.% of an oxidation stabilizer, where the nano-solvent consists of 2.0-4.05 wt.% of lecithin, 2.0-5.0 wt.% of cholesterol, 1.0-2.5 wt.% of beta-sitosterol, and 85.5-90 wt.% of purified water, comprises an active ingredient consisting of tocopherol and a derivative thereof, retinol and a derivative thereof, ascorbic acid and a derivative thereof, kojic acid, hydroquinone, hyaruronic acid, ceramide and pseudo ceramide, an extract of green tea, caffeine, tea-tree oil, marine collagen, vegetable collagen, natural moisturizing factor, and an extract of sea squirt and is characterized in that it is prepared by gradually agitating the mixture with maintaining the temperature at 40-50 deg.C using a paddle mixer at the speed of 60-100 rpm, agitating it using a homo mixer at the speed of 2,500-3,500 rpm for 2-4 minutes and then three-times treating it with a microfluidizer under pressure of 700-1,000 bar to have a particle size of 20-100 nanometers.
Patent KR-100810442-B1 (KR)
IPC: C08J9/00
Filed: 2006-08-30
Granted: 2008-03-07
Abstract: 본 발명은 발포체의 제조방법에 관한 것으로서, 구체적으로는 가교발포가 억제된 상태로서 임의 형상으로 이루어지는 몸체부 성형재료와, 가교발포가 억제된 상태로서 임의 모양으로 이루어지는 적어도 하나 이상의 무늬부 성형재료와, 가교발포가 억제된 상태로서 외피부 성형재료 각각을 가공하는 단계; 상기 무늬부 성형재료를 상기 외피부 성형재료 일면에 결합시키는 단계; 상기 외피부 성형재료의 타면을 상기 몸체부 성형재료의 외주면에 밀착시킨 다음, 임의 형상으로 구비되는 금형의 내부 공동부에 상기 밀착된 몸체부 성형재료 및 외피부 성형재료를 안치시키는 단계; 및 안치된 성형재료를 동시에 가교발포시키는 단계;를 포함하여 이루어짐으로써, 발포체의 표면에 발포 무늬를 형성시킴에 있어 별도의 접착 공정 또는 도장 공정이 불필요하여 그에 따른 제조 공정을 대폭 간소화시킬 수 있을 뿐 아니라 수요자가 요구하는 다양한 기능 및 외관을 갖춘 제품을 손쉽게 생산할 수 있도록 해준다. 
       
     가교발포, 몸체부 성형재료, 외피부 성형재료, 무늬부 성형재료, 발포 무늬
Patent KR-100780673-B1 (KR)
Title: Decoding apparatus and method
Inventor: LI ZHENG ZI
IPC: H04L27/26
Filed: 2006-09-07
Granted: 2007-11-30
Abstract: A decoding apparatus and a method for a system supporting OFDA(Orthogonal Frequency Division Access) are provided to reduce decoding calculating processes by performing decoding with effective algorithm while supporting communication standards. A tile buffer(812) stores a data for first and second selection tiles. A code value table(814) stores data sub-carrier modulation values for a code vector index used in the encoding of the first and the second selection tiles. A correlation metric calculating unit(810) has a correlation calculator(816) calculating a correlation metric based on the data for the first and the second selection tiles and the data sub-carrier modulation values. A correlation metric buffer(822) stores the correlation metrics for the first and the second selection tiles. A decoding section(820) calculates a maximum value of the correlation metrics.
Patent KR-100828075-B1 (KR)
IPC: H01S3/02
Filed: 2006-09-19
Granted: 2008-05-08
Abstract: 본 발명은 회전가능한 레이저 헤드를 구비한 레이저 가공 시스템에 관하여 개시한다. 개시된 상기의 목적을 달성하기 위하여 본 발명의 회전가능한 레이저 헤드를 구비한 레이저 가공 시스템은: 레이저 발진기로부터의 레이저 빔을 받아서 레이저 가공물에 상기 레이저 빔을 조사하는 레이저 헤드를 구비하는 레이저 가공 시스템에 있어서, 상기 레이저 헤드에서 상기 레이저 발진기를 마주보는 면에 상기 레이저 헤드와 결합되게 설치되는 레이저 블록을 구비하며, 상기 레이저 헤드는 상기 레이저 블록에 대해 소정 각도로 회전가능하게 설치되는 것을 특징으로 한다.
Patent KR-100806858-B1 (KR)
Title: High definition image dislpay device and method for frame rate conversion thereof
Inventor: BEON NAM KYUN
IPC: H04N7/015
Filed: 2006-09-26
Granted: 2008-02-22
Abstract: A high definition image display and an FRC(Frame Rate Conversion) method thereof are provided to convert a frame rate by effectively processing mass data caused by a high resolution of the high definition image display by using plural FRC circuits, thereby providing a more clear screen. An image processing unit(100) processes an inputted signal. A first FRC(Frame Rate Conversion) unit(200) receives the image signal from the image processing unit, and processes a part of frame data of the image data to generate first interpolation data. A second FRC unit(300) processes the other part of the frame data of the image signal to generate second interpolation data, and outputs the second interpolation data to the first FRC unit. A display panel driving unit(400) drives a display panel unit(500) by receiving an output signal from the first FRC.
Patent KR-100667248-B1 (KR)
Title: Sidewalk sinking prevent structure of road
Inventor: CHO HEE PYEONG
IPC: E01C5/00
Filed: 2006-09-27
Granted: 2007-01-12
Abstract: A subsidence preventing structure for a border block of a road is provided to prevent border blocks from sinking down by quickly draining water through a sand layer and a soil layer under the border blocks without soil and sand. A subsidence preventing structure for a border block of a road comprises a through-hole(21) formed on a driving way border stone(20) disposed near a drain side gutter(30); a circular hole(32) formed at the drain side gutter; a perforation pipe(40) penetrated of one end through the through-hole and the circular hole to be fixed with the drain side gutter; plural subsidence preventing boards(50) installed about the perforated pipe to be faced to each other; a slope(54) inclined toward the perforation pipe on the upper surface of the subsidence preventing board; a lateral runoff groove(55) formed on the upper end of the slope; plural vertical runoff grooves(56) formed toward a lower end(53) to be communicated with the lateral runoff groove; plural circular holes(57) formed through both sides of the subsidence preventing board to be fixed with the neighbored subsidence preventing board and a supporting rod(58); a geotextile(60) placed over the upper surface of the subsidence preventing board; a soil layer formed on the geotextile; a sand layer accumulated on the soil layer; and a border block installed on the sand layer. The subsidence preventing board has width as long as a distance between a walkway border stone(10) and the driving way border stone to be faced with each other about the perforation pipe.
Patent KR-100778667-B1 (KR)
Title: A standby battery having a speaker
Inventor: RIM DONG IN
IPC: H02J7/00
Filed: 2006-09-29
Granted: 2007-11-22
Abstract: A sub battery for a mobile terminal having a speaker is provided to enable a user to listen a music stored in various mobile devices through an external stereo speaker by installing the speaker on the sub battery. A sub battery for a mobile terminal having a speaker includes a battery body(10), a charging out terminal(14), a charging input terminal(16), a transforming gender input terminal(18), and a mobile device connection terminal(20). The battery body has a speaker which outputs music with a stereo on a side plane. A battery protection circuit and a battery are integratedly installed inside the battery body. The charging output terminal is protrusively formed on a side of the battery body, is coupled to the mobile device, and supplies a power. The charging input terminal is formed on an inner side of the other part of the battery body, and is formed to be charged by a power. The transforming gender input terminal is formed on a side part of the charging output terminal to be received in the battery body, and is coupled to the mobile device. The connection terminal is protrusively formed toward an external part of the battery body on the side part of the charging input terminal. The connection terminal coupled to a mobile terminal.
Patent KR-101263436-B1 (KR)
IPC: G03G15/00
Filed: 2006-10-02
Granted: 2013-05-10
Abstract: 정착 커버를 개방하는데 필요한 공간을 줄임으로써 제품을 소형화할 수 있는 화상형성장치를 개시한다. 본 발명의 화상형성장치는 정착유닛과 배지유닛 사이에 형성되는 용지이송로에 설치되어 정착유닛을 지나 배지유닛으로 이동하는 인쇄용지를 가이드하는 정착 커버를 가지는데, 정착 커버는 회전 이동하며 용지이송로의 일부분을 개폐하는 제1정착 커버와, 용지이송로의 다른 일부분을 덮도록 본체의 내부에 고정 설치되는 제2정착 커버를 포함하여 구성된다. 이와 같이 정착 커버를 두 부분으로 분리한 후 그 중 하나의 정착 커버만을 통해 용지이송로를 개폐하도록 구성하면 정착 커버의 회전 반경을 작게 할 수 있으므로 정착 커버의 개폐를 위해 요구되는 공간을 줄일 수 있게 된다.
Patent KR-100761787-B1 (KR)
Title: Light weight prominence insulation block for construction
Inventor: KIM SEONG MO
IPC: E04C1/00
Filed: 2006-10-10
Granted: 2007-09-28
Abstract: A light weight insulation block for construction is provided to decrease cost and to make processes simple by attaching finishing materials on front and rear surfaces of a block body made of form synthetic resin. A light weight insulation block for construction comprises a block body(10) and finishing materials(20). Made of form synthetic resin, the block body has combining protrusions(11), combining grooves(12), fitting protrusions(13), fitting grooves(14), and support grooves(15). The combining protrusions and grooves are formed on the upper and lower surfaces of the block body to combine block without clearance. The fitting protrusions and grooves are formed at two sides of the block body to combine the blocks horizontally. The support grooves are formed to divide front and rear surfaces. The finishing material is attached to the front and the rear surfaces of the block body. A plurality of support grooves(10a) are formed on the top of the block body. Combining grooves(20a) are formed at the top of the finishing material in corresponding to the support grooves. Fixing shafts(40) are inserted in the support grooves and the combining grooves so that fix the block body to the finishing material.
Patent KR-101281756-B1 (KR)
IPC: G02F1/1339
Filed: 2006-10-18
Granted: 2013-07-04
Abstract: 공정 시간이 절약되고, 공정 설비를 감소시키는 액정 표시 장치의 제조 방법 및 이 방법으로 제조된 액정 표시 장치가 제공된다. 액정 표시 장치의 제조 방법은, 절연 기판 상에 제1, 제2 및 제3 화소 영역을 정의하는 블랙 매트릭스를 형성하는 단계와, 블랙 매트릭스 상부 및 상기 블랙 매트릭스에 의해 노출된 절연 기판 상에 컬러필터층을 형성하는 단계와, 컬러필터층 상에 상부 스페이서용 유기막을 형성하는 단계와, 컬러필터층 및 상부 스페이서용 유기막을 동시에 패터닝하여 각각 제1 화소 영역 상에 제1 컬러필터 패턴과 블랙 매트릭스 상에 하부 스페이서, 및 하부 스페이서 상에 상부 스페이서를 형성하는 단계를 포함한다. 
       
     스페이서, 부분 경화, 리프트 오프
Patent KR-100830555-B1 (KR)
IPC: G11B27/034
Filed: 2006-10-19
Granted: 2008-05-22
Abstract: 본 발명은 제 1저장매체를 갖는 제 1장치와 제 1장치에 데이터를 전송하는 제 2장치를 포함하는 통신시스템에 관한 것으로서, 제 2장치는 제 1장치에 전송되는 데이터의 관리정보를 저장하는 제 2저장매체와, 제 1장치와 데이터를 통신하는 통신수단과, 관리정보를 편집할 수 있는 편집수단과, 편집수단에 의해 편집된 관리정보에 기초하여 통신수단을 경유하여 제 2저장매체에 저장된 데이터를 제 1저장매체에 전송하도록 제어하는 제어수단을 포함하여 구성된 것을 특징으로 하는 통신시스템에 관한 것이다. 
     
     음악서버, 인터넷서버, 장착, 기록매체, 압축 디코더
Patent KR-100752278-B1 (KR)
Title: Apparatus for assembling and checking of fuel filter cover and cover plug
Inventor: KANG TEA HO
IPC: F02M37/22
Filed: 2006-10-24
Granted: 2007-08-29
Abstract: An apparatus for assembling and checking a fuel filter cover and a cover plug is provided to insert the cover plug into a through-hole of the fuel filter cover to integrally assembly the cover plug with the fuel filter cover. An apparatus for assembling and checking a fuel filter cover and a cover plug includes a cover supply device, a plug supply device(20), an assembly apparatus(30), an inspection apparatus(40), and a main controller(50). The cover supply device sequentially supplies a plurality of fuel filter covers having a through-hole through a connection passage and a supply hole. The plug supply device seals the through-hole and sequentially supplies a plurality of cover plugs. The assembly apparatus integrally assembles the fuel filter cover and the cover plug using heat fusion. The inspection apparatus sequentially receives the cover plug coupled fuel filter cover to inspect whether the cover is normally assembled. The main controller controls operation of the above components to determine whether the cover plug is normally assembled.
Patent KR-100790812-B1 (KR)
Title: Apparatus and method for detecting communication abnormality for multi-type air conditioner
Inventor: JANG SUNG HWAN
IPC: F24F1/00
Filed: 2006-10-24
Granted: 2008-01-02
Abstract: An apparatus and a method for detecting communication abnormality of a multi-type air conditioner are provided to change communication right automatically into master and slave when communication abnormality is generated. An apparatus for detecting communication abnormality of a multi-type air conditioner includes an outdoor unit, a plurality of indoor units, a repeater, and a wired remote controller, communicating data with peripheral devices. A level converter(110) interfaces to realize multiple communication with the peripheral devices. An abnormality detector(120) is connected with the peripheral devices at a distance through the level converter. The abnormality detector converts communication right into master or slave automatically according as communication right of the connected peripheral device is master or slave, to detect communication abnormality.
Patent KR-100823471-B1 (KR)
Title: Synthesis of novel polymer containing photoacid generator
Inventor: LEE HAI WON
IPC: C08F20/04
Filed: 2006-11-01
Granted: 2008-04-21
Abstract: A method for preparing a monomer for the preparation of a homopolymer is provided to reduce the step of synthesis, to improve purity and production yield and to obtain a homopolymer where a fluoroalkyl sulfonium photoacid generator is introduced. A method for preparing a monomer for the preparation of a homopolymer comprises the steps of mixing an acryloylphenyl compound represented by the formula 3, a diphenyl sulfoxide compound represented by the formula 4, and the compound represented by ((CF2)nCF3SO2)2O at a temperature of -90 to -60 deg.C; and reacting the mixture at a temperature of 10-35 deg.C to prepare a monomer represented by the formula 2, wherein R1 and R2 are a C1-C6 alkylcarbonyl group, an aldehyde group, a cyano group, a nitro group, or a phenyl group; R3 is H, or a C1-C6 linear, branched or cyclic alkyl group; and n is an integer of 0-20.
Patent KR-100856822-B1 (KR)
IPC: G06Q30/00
Filed: 2006-11-02
Granted: 2008-09-05
Abstract: 본 발명은 전자화폐와 포인트 연계 시스템 및 방법과 이를 위한 기록매체에 관한 것으로서, 단일 사이트에서 2종 이상의 사이버 머니(예컨대, 팬과 포인트)를 발행하고, 각각의 사이버 머니의 특성에 따라 이용제한 및 혜택을 구분하여 적용하여, 사이버머니 간 차별화된 환전처리를 제공하도록 하며, 이에 따른 전자화폐와 포인트 연계 방법은, 소정의 정보 저장수단에서 특정 웹사이트에서 이용되는 소정의 전자화폐와 2종 이상의 포인트 간 환전 가중치 정보를 소정의 저장매체에 저장하는 단계와, 소정의 정보 수신수단에서 고객으로부터 고객 소유의 전자화폐로 환전 처리하고자 하는 포인트 선택정보를 수신하는 단계와, 소정의 정보 확인수단에서 상기 저장매체(또는 저장매체 운용수단)와 연계하여 상기 선택된 환전 요청 대상 포인트의 종류를 확인하고, 상기 확인된 포인트 종류와 전자화폐간 환전 가중치 정보를 확인하는 단계 및 소정의 환전수단에서 상기 확인된 환전 가중치를 적용하여 상기 전자화폐 가치를 상기 선택된 포인트 가치로 환전 처리하는 단계를 포함한다. 
       
     전자화폐, 포인트, 사이버 머니
Patent KR-100783889-B1 (KR)
Title: Ratation cover type potable gas table for safety
Inventor: KIM SANG WAN
IPC: F24C3/12
Filed: 2006-11-06
Granted: 2007-12-10
Abstract: A portable gas burner assembly with a cover containing a gas can is provided to place a gas can away from the burner for preventing the gas can from being overheated by heat generated by the burner unit. A portable gas burner assembly includes a burner(120) which generates combustion heat by burning gas, a body(110) wherein an electronic lighter(122) is installed, a gas supply guide(130) which leads gas to the burner, a fastening disc which is inserted into inlet of the gas supply guide and has a slot for supplying gas and a slot for supplying air, a gas can housing(150) equipped with an ignition knob(151) which ignites the burner and controls the amount of gas supplied to the burner, a cover(160) which is extended from the gas can housing to open and to close upper portion of the body by rotating the cover around hinges(165) provided at a side of the body, a gas pipe(170) which supplies gas to the gas supply guide with a shaft inserted into a gas supply hole and a unit being rotated along the shaft as the cover rotates.
Patent KR-100786022-B1 (KR)
Title: Method and apparatus for measuring distance using location determination point
Inventor: HU NAM HYUN
IPC: G01S5/14
Filed: 2006-11-07
Granted: 2007-12-17
Abstract: An apparatus and a method for measuring a distance by using a location determination point are provided to measure a transmit distance accurately by correcting a transmit distance amount due to the location determination point error through a Bezier center point. A location determination point according to a transferring path is measured(S210). Bezier center point is measured by using the determined point(S220). The distance of the transferring path is measured by using the Berzier center point(S230). A Berzier curve of a polygon constituted with a plurality of measured points is measured to measure the Berzier center point.
Patent KR-100849518-B1 (KR)
IPC: H04N5/225
Filed: 2006-11-08
Granted: 2008-07-31
Abstract: 본 발명은 업무단위별 동영상과 디지털정보를 저장하는 시스템 및 그 방법에 관한 것으로, PC나 POS 단말기에 설치된 업무단위감지프로그램과 주변에 설치된 센서에 의해 업무 관련 동작을 감시하여 업무 관련 동작이 이루어지면 IP 카메라를 통해 촬영된 동영상 데이터를 압축 저장함과 동시에 상기 PC나 POS 단말기에서 동작한 업무 관련 데이터를 자동으로 저장함으로써, 현금 및 물품 도난을 방지할 수 있으며 PC에 저장된 문서의 유출을 방지할 수 있다. 
       
     업무, 데이터, 동영상, 저장, 카메라, 센서
Patent KR-100838607-B1 (KR)
Title: Method for depositing zinc oxide at low temperatures and products formed thereby
IPC: C23C16/40
Filed: 2006-11-17
Granted: 2008-06-16
Abstract: The present invention discloses plasma enhanced chemical vapor deposition (PECVD) process for depositing n-type and p-type zinc oxide-based transparent conducting oxides (TCOs) at low temperatures with excellent optical and electrical properties on glass and temperature sensitive materials such as plastics and polymers. Specifically, it discloses PECVD process for depositing n-type ZnO by doping it with .B or F and p-type ZnO by doping it with nitrogen excellent optical and electrical properties on glass and temperature sensitive materials such as plastics and polymers for TCO application. The process utilizes a mixture of volatile zinc compound, argon and/or helium as a diluent gas, carbon dioxide as an oxidant, and a dopant or reactant to deposit the desired ZnO-based TCOs.
Patent KR-100686361-B1 (KR)
Title: Cleaning composition for fuel apparatus
Inventor: KIM HYUN KOOK
IPC: C11D7/32
Filed: 2006-11-24
Granted: 2007-02-26
Abstract: Provided is a cleaning composition for a fuel apparatus, which is effective in removing slag, clinker, soot, or ash from the inside or surface of a fuel apparatus, neutralizes acidic gas generated upon combustion of fuel, and helps a removal of low-melting compounds. The cleaning composition for a fuel apparatus comprises 1.0-65.0 parts by weight of ammonium nitrate, 1.0-25.0 parts by weight of potassium nitrate, 0.1-55.0 parts by weight of magnesium nitrate, 0.1-60.0 parts by weight of copper nitrate, and 2-700 parts by weight of water. The fuel apparatus is at least one selected from a furnace, a heater, a boiler, and a fire chamber.
Patent KR-100819079-B1 (KR)
Title: Apparatus for dry surface-cleaning of materials
Inventor: WON YOO KEUN
IPC: B08B7/00
Filed: 2006-11-27
Granted: 2008-04-02
Abstract: An apparatus for dry surface cleaning of materials is provided to collect a laser beam at a plurality of points in a vacuum chamber at the same time to generate a shock wave, so that contaminants of a preform is simultaneously removed. An apparatus for dry surface cleaning of materials includes a laser beam generator(2), a vacuum chamber(1) receiving a perform, and focusing lenses(5) to collect a laser beam in the vacuum chamber. A plurality of beam splitters(3) is provided between the layer beam generator and the focusing lens to split the laser beam into a plurality of beams. The focusing lens collects the split beams generated from the beam splitter. The laser beam generated from the laser beam generator is simultaneously collected in plural positions of the vacuum chamber by the beam splitter and the focusing lenses, so that a shock wave is generated.