baber/WOPTO huggingface dataset:
Patent KR-20090019526-A (KR)
Title: System for relaying web page and control method thereof, and relay server used in the system
Inventor: PARK IL SOO
IPC: H04W88/18
Filed: 2007-08-21
Abstract: A system for relaying a web page, a control method thereof, and a relay server used in the system are provided to have a relay server between a user terminal and a web server, add additional information to a part of a web page transmitted from a web server and transmit the part with the additional information to a user terminal. One or more web servers(80) provide a web page. A relay server(50) comprises matching data in which an address of a webpage of each web page is matched with advertisement field information of each web page and a database in which new advertisement data are stored. When a webpage transmission request signal is received from a user terminal, the relay server requests transmission of a web page to a corresponding web server based on a web page address included in the webpage transmission request signal. When a web page from the web server is received according to the request, the relay server extracts advertisement field information of the received web page from the database.
Patent KR-20090020191-A (KR)
Title: Relay system of video conference
Inventor: LEE SEOK IN
IPC: H04N7/14
Filed: 2007-08-23
Abstract: A relay system of a video conference is provided to photograph a user who currently speaks according to automatic control in real time and transmit a brief introduction caption with regard to each microphone user automatically, thereby preventing photographing error or caption error. A frequency analyzer(120) performs a frequency analysis function with regard to a voice signal inputted from a plurality of microphones(110). A memory unit(130) stores and manages voice frequency information analyzed by a frequency analyzer. When a voice signal corresponding to frequency information stored in the memory unit is inputted, a camera control unit(140) controls a camera(150) to photograph a user using a microphone. A data transmission unit transmits image data photographed by the camera controlled with the camera control unit.
Patent KR-20090020215-A (KR)
Title: Semiconductor liggt emitting device and method of manufacturing the same
Inventor: KIM CHANG TAE
IPC: H01L33/00
Filed: 2007-08-23
Abstract: A semiconductor light emitting device and a manufacturing method thereof are provided to improve the external quantum efficiency by using the equipped pattern or the scattering side. A substrate is a sapphire substrate. A protrusion(101) is formed in a substrate(100). A scattering side(104) is formed with a distance from the protrusion. A plurality of semiconductor layers are formed on the substrate. The semiconductor layer comprises the active layer producing the light by the recombination of hole and electrons. The active layer is a 2 group nitride semiconductor. Concavo-convexes(104a,104b) are formed along the laminating direction of a plurality of semiconductor layers and scatter the light generated from the active layer.
Patent KR-20090021560-A (KR)
Title: Device for fixing an fure cap in automobiles
Inventor: CHOI YONG HWAN
IPC: B60K15/05
Filed: 2007-08-27
Abstract: A fixing device for fuel cap of vehicle is provided that the coating of the automotive panel is not worn out since the fuel cap is attached in cover. A fixing device for fuel cap of vehicle comprises a holder formed in the hollow(111) formed in an insertion part(110) of fuel cap(100), and a fixed bar(500) protruded from the inner side of the cover installed at the panel of vehicle to protect the fuel inlet. The holder is formed in the fixed bar. The holder of the fixed bar is formed in the hollow of the fuel cap.
Patent KR-20090022059-A (KR)
Title: Output driver
Inventor: LEE HYUNG DONG
IPC: G11C11/4096
Filed: 2007-08-29
Abstract: An output driver is provided to satisfy a plurality of interface specifications by controlling a slew rate of a signal in a pre-driver according to a mode. A pre-driver(710) generates a logic value of data to be outputted, a pull up control signal, and a pull down control signal according to a target resistance value, and outputs a slew rate of the pull up control signal and the pull down control signal according to a first mode or a second mode. A pull up driver(720) outputs a high data in response to the pull up control signal. A pull down driver(730) outputs a low data in response to the pull down control signal. A pull up control signal generating part(711) generates the pull up control signal according to the target resistance value in case data is the high data. A pull down control signal generating part(712) generates the pull down control signal according to the target resistance value in case data is the low data. A pull up output part(713) outputs a slew rate of the pull up control signal according to the first mode or the second mode. A pull down output part(714) outputs a slew rate of the pull down control signal according to the first mode or the second mode.
Patent KR-20080065894-A (KR)
Title: Image forming apparatus
Inventor: TAKAHASHI MASASHI
IPC: G03G15/16
Filed: 2007-08-31
Abstract: An image-forming apparatus is provided to prevent the deterioration of picture quality caused by filming of a photoreceptor or color mixture in a color image-forming apparatus adopting a cleaner-less process. An image-forming apparatus performs a cleaner-less process where a toner image is formed on an image carry body by a developing unit and toner on the image carry body is collected by the developing unit. The image-forming apparatus comprises an intermediate transfer belt(11) and a transfer unit(23). The intermediate transfer belt is formed of laminated layers of plural conductive materials different from one another. The intermediate transfer belt has a belt surface onto which the toner image is transferred from the image carry body at a specific transfer position. The transfer unit presses the intermediate transfer belt to the image carry body at the specific transfer position, and applies a specific bias voltage to the intermediate transfer belt. With respect to the plural conductive materials of the intermediate transfer belt, a layer closer to a side of either one of the toner transferred from the image carry body and the transfer unit, where negative polarity is set, has a higher volume resistance value.
Patent KR-20090024933-A (KR)
Title: Apparatus for processing substrates
Inventor: NOH HWAN IK
IPC: H01L21/68
Filed: 2007-09-05
Abstract: A substrate processor is provided to reduce the establishment area of the apparatus by piling up the cassette on the load stock. A substrate processor comprises a load stock(100) loading a cassette(20) accommodating the several boards(10) to the double layer; the first transport unit(200) transferring the cassette loaded on the load stock; the second transport unit(400) transferring the substrates adopted to the cassette transferred with the first transport unit; a substrate handling part(300) processing the surface of each substrate transferred by the second transport unit.
Patent KR-20090025514-A (KR)
Title: A bog re-liquefaction system for lng carrier
Inventor: HONG EUI SEOK
IPC: F25J3/00
Filed: 2007-09-06
Abstract: A BOG re-liquefaction system of an LNG carrier is provided to reduce the amount of power and to make a smaller apparatus of a cooling cycle. A bog re-liquefaction system of an LNG carrier comprises the following: a BOG compressor(10) compressing the BOG; a first distributor(20) distributing and supplying the BOG generated by vaporizing LNG stored in a storage tank from the BOG compressor into a heat exchanger(40); and a second distributor(22) supplying a part of the compressed BOG into a DF engine and moving the rest from the heat exchanger to the storage tank.
Patent KR-20090025752-A (KR)
Title: Device for shaking out foreign substance in the tube
Inventor: JEONG SEONG TAEK
IPC: B08B9/023
Filed: 2007-09-07
Abstract: A foreign material shaking device of the granularity curved pipe inside is provided to reduce the reconstruction cost of a granularity curved pipe as the cable is accommodated in the communication electric pole. A foreign material shaking device of the granularity curved pipe inside comprises: a pole(10) inserted to the inside of the granularity curved pipe; a bit(20) installed in the bottom part of the pole; a central network(40) installed on the top of the bit of the pole; and handle parts(17,19) installed in the pole in order to grip and rotate the pole.
Patent KR-20090025772-A (KR)
Title: Spread containing fermented soybeans and manufacturing method thereof
Inventor: LIM HYE WON
IPC: A23L21/10
Filed: 2007-09-07
Abstract: Provided is a method for preparing fermented soybeans spread, which can be well matched with bead or cracker. Fermented soybeans spread comprises 50-55wt% of fermented soybeans, 25-35wt% of fruits, 5-15wt% of sugar, 0.5-1.5wt% of salt, 0.5-1.5wt% of butter, and 5-8wt% of crop powder. A method for preparing the fermented soybeans spread consists of the following steps of: inoculating a bean with a single specie of bacillus subtilis to preparing fermented soybeans(i); adding 25-35wt% of fruits, 5-15wt% of sugar, 0.5-1.5wt% of salt, 0.5-1.5wt% of butter, and 5-8wt% of crop powder to 50-55wt% of the fermented soybeans(ii); and heating a mixture of a step(ii) at 40-50°C for 10-15 minutes(iii).
Patent KR-20090028230-A (KR)
Title: Semiconductor package and method for manufacturing the same, and electronic device using semiconductor package
Inventor: KIM HAK SUNG
IPC: H01L23/12
Filed: 2007-09-14
Abstract: A semiconductor package and a method of manufacture thereof and the electronic device using the semiconductor package are provided to omit the solder ball formation process and wire bonding process by connecting the semiconductor packages with an electric connection medium. The semiconductor package comprises the first semiconductor package(500), and the second semiconductor package and the first electrical connection medium(140b). The second semiconductor package is laminated on the first semiconductor package. The first electrical connection medium is interposed between the first semiconductor package and the second semiconductor package. The first semiconductor package and the second semiconductor package are electrically connected to the first electrical connection medium. The empty space between the second semiconductor package and the first semiconductor package are occupied with the first electrical connection medium.
Patent KR-20080027739-A (KR)
Title: Liquid crystal display device
Inventor: ITO YOICHI
IPC: G02F1/133
Filed: 2007-09-21
Abstract: An LCD device is provided to maintain the temperature life characteristics of an electrolytic condenser for a long time as an inverter printed circuit board having the electrolytic condenser is difficult to be influenced by a heat convection current within a backlight structure, thereby easily embodying the LCD device using EEFLs. An LCD(LCD) device comprises an LCD panel and a BL(Backlight) which is installed on the rear of the LCD panel. The BL includes a RPL(Reverse Plate), a plurality of EEFLs(External Electrode Fluorescent Lamps), a pair of power supply TMs(Terminals), an INV(Inverter printed circuit board), and power cables(CBL1, CBL2). The EEFLs are disposed in parallel on a surface of the RPL on which the LCD panel is mounted. The pair of power supply TMs connects the EEFLs electrically in parallel. The INV controls the EEFLs. Power cables connect the power supply TMs and the INV. The INV is disposed on a reverse of the surface of the RPL on which the LCD panel is mounted and is installed at the reverse of the RPL which becomes a lower side during use of the INV.
Patent KR-20090033773-A (KR)
Title: A water meter with a remote reader
Inventor: CHOE YONG WOON
IPC: G01F15/06
Filed: 2007-10-01
Abstract: A water meter which includes a remote accumulation indicator is provided to prevent the frost break of the water meter in the coldest season. A water meter which includes a remote accumulation indicator comprises as follows. An outer shield body(114), and outer shield body lid(102) and substitution parts are made of synthetic resin instead of brass. A gear mechanism for the accumulation of the used amount of the tap water is formed on the top surface of the outer shield body lid without the mechanical connection of an impeller axis(118) inside the outer shield body. The power for operating the gear mechanism is instead of guaranteed through the electromagnetic coupling mode with mechanical method.
Patent KR-20090034543-A (KR)
Title: System and method for creation energetic music based on fortune information
Inventor: KIM DONG CHUL
IPC: G06Q50/10
Filed: 2007-10-04
Abstract: A generation system of customized energy improvement music and a method thereof based on fate analysis information for generating expected music and editing music and editing expected sound source as music are provided to maintain mental health for improving energy. A member management module(20) manages registered members through a membership system in a fate mall. A fate generation module(30) performs the physical constitution analysis based on fate analysis information that the members registered in the member management module requests. The five elements of insufficient energy are extracted. The five elements of the insufficient energy are converted into expectation fate matching with expected fate. An expected music generation module(50) generates expectation music.
Patent KR-20090041487-A (KR)
Title: Small sum of money donation method thru credit card
Inventor: KIM SOOK HEE
IPC: G06Q50/22
Filed: 2007-10-24
Abstract: A small contribution method through a credit card payment capable of donating small sum product is provided to donate the small amount of products by automatically donating small sum of money. A terminal requests payment approval to a VAN company based on the payment amount in which the information and small sum of the credit card are added(S10). The member or non-member in which the owner of the credit card registers small sum base is determined(S12). The VAN company requests payment by transmitting a request to a card company. The card company transmits the payment authorization to the VAN company(S16). The added small sum consists of the predetermined contribution operation server(S18). The VAN company or the card company transfers the small sum product.
Patent KR-20090041572-A (KR)
Title: Fodder feeder for fish-farming
Inventor: LEE KANG GO
IPC: A01K61/02
Filed: 2007-10-24
Abstract: A feed feeding apparatus for the fish culture is provided, which improves the products value and promotes the growth of the fish culture by regularly supplying the fodder of the fixed quantity. A feed feeding apparatus for the fish culture comprises: a hopper(10) which is formed in the cylindrical shape that the top is broad and the bottom is narrow and in which the fodder is received; a stirrer(20) installed within the hopper; a shutter apparatus(30) controlling the exhaustion of the fodder within the hopper agitated by the stirrer; and a blower device(40) blowing the fodder ejected by the opening of the shutter apparatus to the fish farm.
Patent KR-20070114249-A (KR)
Title: Breather valve test bench
Inventor: KWAK YOUNG HWAN
IPC: G01M99/00
Filed: 2007-10-23
Abstract: A test bench for a breather valve is provided to effectively test the valve by storing checked results in a database. A test bench for a breather valve comprises a drum body(10), an air compressor(30), a pressure transducer(40), a transmitter(60) installed on one side of the drum body and a data processing part(70). An upper end of the drum body communicates with a jig flange to which a breather valve is affixed. The air compressor is connected to one side of the drum body through a main pipe, thereby generating compressed air. The pressure transducer is provided between the drum body and the air compressor, and converts the air pressure to a positive or negative pressure. The transmitter outputs an electric signal corresponding to the measured pressure in the drum body. The data processing part generates a database on the basis of results obtained by receiving the output signal.
Patent KR-20090042033-A (KR)
Title: Burn-in tester
Inventor: KIM SUK JUN
IPC: H01L23/36
Filed: 2007-10-25
Abstract: A cooling system of a burn-in tester is provided to shorten a whole time of a burn-in test by shortening a time of a drop section of temperature in a burn-in chamber. A heater and a cyclic blower(50) are mounted on a heat exchanging chamber. The heat exchanging chamber is connected to a burn-in chamber(10) through a connection hole. An evaporator(60) emits a cool air inside the heat exchanging chamber. The evaporator is branched in a heat exchanger(34) of a fan coil unit(32). A supply tube and a return tube are connected to the evaporator. A ventilation fan(70) ventilates a cool air emitted in the evaporator to the cyclic blower.
Patent KR-20090042405-A (KR)
Title: Organic light emitting display
Inventor: JOO WOONG
IPC: G09G3/30
Filed: 2007-10-26
Abstract: An organic electroluminescent display device of a digital voltaic driving method is provided to improve the display quality by preventing the generation of the brightness difference in the display unit. The sub pixel positioned in the display unit comprises the capacitor(C) in which one end is connected to the first power source wiring(VDD). The first transistor(T1) is driven by the data signal stored in the capacitor. The second transistor(T2) controls the power source supplied through the first transistor. In the organic light-emitting diode(D), the first electrode is connected to the other end of the second transistor and the second electrode is connected to the second power line(GND) and the light emitting period is determined by the actuating time of the second transistor. The display unit is positioned in the sub pixel including the transistor circuit part(MT).
Patent KR-20090043716-A (KR)
Inventor: LEE HO KYUNG
IPC: H02K5/02
Filed: 2007-10-30
Abstract: 본 발명의 전동기용 앤드쉴드는 전동기의 하우징에 설치되는 제1몸체와, 제1몸체에 결합되어 회전축을 베어링을 통해 지지하는 제2몸체로 구성되는 전동기용 앤드쉴드에 있어서, 상기 제2몸체는 축 전류에 의한 베어링이 설치되는 베어링 홀의 손상을 방지하기 위해 상기 베어링 홀에 절연분말이 코팅된 코팅층을 포함하는 것이 바람직하다.  
     그리고 본 발명의 전동기용 앤드쉴드는 전동기의 하우징에 설치되는 제1몸체와, 제1몸체에 결합되어 회전축을 베어링을 통해 지지하는 제2몸체로 구성되는 전동기용 앤드쉴드에 있어서, 상기 제2몸체는 제1몸체와 일체로 하는 단일몸체로 마련되며, 축 전류에 의한 베어링이 설치되는 베어링 홀의 손상을 방지하기 위해 상기 베어링 홀에 절연분말이 코팅된 코팅층을 포함하는 것이 바람직하다.  
       
     전동기, 축 전류, 베어링, 회전축, 코팅층, 절연
Patent KR-20080061252-A (KR)
Title: Oil-free chain
Inventor: NAKAGAWA TAKASHI
IPC: F16G13/02
Filed: 2007-10-31
Abstract: An oil-free chain is provided to prevent sliding-contact wear between outer circumferential surfaces of connecting pins and inner circumferential surfaces of bushes. An oil-free chain(100) comprises an inner link including a pair of end portions of bushings(130) that are press-fitted to bushing holes of a pair of inner plates(110) and an outer link including both end portions of connecting pins(160) penetrating into the bush that are press-fitted to pinholes of a pair of outer plates(150). The inner link is alternately connected with the outer link lengthwise of the chain. In addition, lubricant is sealed between inner circumferential surfaces of the bushings and outer circumferential surfaces of the connecting pins. An end portion of each bushings is projected from outer surfaces of the inner plates. The end portions are supported to a bush bearing portion extending as an offset state.
Patent KR-20090044788-A (KR)
Inventor: KIM HYUN SUK
IPC: H01L33/50
Filed: 2007-11-01
Abstract: 본 발명은 교류전원에 의해 동작하는 발광 소자에 있어서, 청색광을 포함하는 제1 파장 영역의 광을 방출하는 제1 발광부와, 상기 제1 파장 영역보다 긴파장을 가지는 제 2 파장 영역의 광을 방출하는 제2 발광부와, 상기 제1 발광부로부터 방출된 제 1 파장 영역의 광에 의해 상기 제 1 파장 영역과 다른 제3 파장 영역의 광을 방출하는 형광체를 포함하는 몰딩부를 포함하되, 상기 제1 파장 영역의 광과 상기 제2 파장 영역의 광과 상기 제3 파장 영역의 광이 혼색되어 웜 백색광(warm white light)이 만들어지는 것을 특징으로 하는 교류용 백색 발광 소자를 제공한다.  
       
     발광다이오드, 적색, 청색, 앰버, 백색광, 웜화이트
Patent KR-20090046184-A (KR)
Inventor: LEE DEOK HYUN
IPC: E04B1/98
Filed: 2007-11-05
Abstract: 본 발명은 공동주택에서 인간의 활동에 의해 발생하는 진동 및 소음을 해소하거나 감소시키기 위한 기술에 관련된 것으로 하부판에 대하여 상부판이 상하 방향 운동만 가능하도록 제한된 구조로 결합되고, 상하부판 사이에는 각기 외경이 다른 2이상의 공기튜브가 포함되는 것을 특징한다.  
       
     공동주택 층간소음, 헬쓰룸, 진동 흡수, 충격흡수, 공기튜브
Patent KR-20090047994-A (KR)
Inventor: CHOI JOON HOO
IPC: H05B44/00
Filed: 2007-11-09
Abstract: 본 발명은 게이트선, 상기 게이트선과 교차하는 데이터선, 상기 게이트선 및 상기 데이터선과 연결되어 있는 스위칭 박막 트랜지스터, 상기 스위칭 박막 트랜지스터와 연결되어 있는 구동 박막 트랜지스터, 그리고 상기 구동 박막 트랜지스터와 연결되어 있는 발광 다이오드를 포함하고, 상기 스위칭 박막 트랜지스터는 상기 게이트선과 연결되어 있는 제어 전극, 상기 제어 전극과 중첩하는 결정질 반도체, 그리고 상기 결정질 반도체를 중심으로 마주하는 입력 전극 및 출력 전극을 포함하며, 상기 제어 전극 및 상기 게이트선은 각각 상기 결정질 반도체의 하부 및 상부에 위치하며 서로 다른 재료를 포함한다. 
       
     유기 발광 표시 장치, 결정질 반도체, 저저항 금속, 내화성 금속, 전면 발광
Patent KR-20090048986-A (KR)
Inventor: KIM SEUNG WOOK
IPC: H01M8/16
Filed: 2007-11-12
Abstract: 본 발명은 효소 연료전지용 전극에의 효소 고정화 방법에 관한 것으로, 더욱 구체적으로 효소 연료전지용 전극을 시스타민으로 처리하여 아민기(NH 2 )를 부착하고, 상기 애노드의 아민기와 퀴논계 전자전달 매개체의 카르복실기(COOH)를 아마이드 결합을 통해 고정화한 다음, 상기 고정화된 퀴논계 전자전달 매개체의 또 다른 카르복실기(COOH)와 효소 연료전지용 산화반응 효소의 아민기(NH 2 )를 아마이드 결합을 통해 고정화하는 단계를 포함하는 효소 연료전지용 전극에의 효소 고정화 방법에 관한 것이다. 
     본 발명에 따르면, 효소 연료전지의 제작 시 효소의 활성부위가 보호되면서 연료전지용 산화반응효소를 효과적으로 애노드에 고정화하는 방법을 제공하고, 이러한 방법으로 제작된 효소 연료전지가 기존의 효소 고정화 기술이 반영된 연료전지의 효소 활성과 안정성을 높여 향상된 파워덴시티를 얻는데 적합하다.
Patent KR-20090050224-A (KR)
Inventor: AN IN GEOL
IPC: G02F1/13357
Filed: 2007-11-15
Abstract: 칩형 엘이디를 갖는 백라이트 유닛을 제공한다.  
     본 발명은 본 발명은 전원인가시 빛을 발생시키는 적어도 하나의 발광소자 : 상기 발광소자에서 발생된 빛이 입사되는 입사면과 빛이 출사되는 출사면을 갖추어 빛을 안내하는 도광판 ; 상기 입사면과 대응하는 수직면에 상기 발광소자가 전기적으로 탑재되는 탑재부를 구비하고, 상기 도광판이 삽입배치되는 새시 ; 상기 도광판의 하부면과 상기 새시의 바닥면사이에 배치되는 반사시트를 포함하는 칩형 엘이디를 갖는 백라이트유닛을 제공한다.  
     본 발명에 의하면, 도광판의 입사면과 대응하는 새시의 내부 수직면에 발광칩을 칩온보드(Chip On Board)방식으로 탑재함으로서, 발광소자를 탑재하는 작업공정을 단순화하여 작업생산성을 향상시키고, 종래와 같이 기판을 새시에 탑재하는 공정을 생략하여 조립공정을 단순화하며, 제조원가를 절감할 수 있다.  
       
     엘이디, 백라이트유닛, 발광칩, 도광판, 새시, 반사시트
Patent KR-20090052702-A (KR)
Title: 퓨즈 및 그 형성하는 방법
Inventor: HONG SEONG TAIK
IPC: H01L23/62
Filed: 2007-11-21
Abstract: 본 발명은 퓨즈 및 이를 형성하는 방법에 관한 것으로, 특히 퓨즈 불로잉 시 퓨즈 블로잉부에서 인접한 퓨즈 연결부로 전도되는 열을 줄이기 위해 열 전도 지연 슬릿을 퓨즈 연결부에 포함하도록 퓨즈를 설계함으로써, 반도체 소자의 수율과 신뢰성을 향상시킬 수 있는 기술이다.
Patent KR-20090053385-A (KR)
Title: 박막 트랜지스터의 정전기 방지회로 및 그의 제조 방법
Inventor: SONG IN DUK
IPC: H01L29/786
Filed: 2007-11-23
Abstract: 본 발명은 박막 트랜지스터의 정전기 방지회로에 관한 것으로, 특히 단순한 구조를 통해 정전기로부터 소자를 보호할 수 있는 박막 트랜지스터의 정전기 방지회로에 관한 것이다. 
     본 발명은, 기판 상에 서로 평행하도록 형성된 복수의 게이트 라인과, 상기 각각의 게이트 라인에 대응하여 각 게이트 라인과 절연막을 사이로 교차하도록 형성된 복수의 도전성 패턴과, 상기 게이트 라인 및 도전성 패턴을 전기적으로 연결하는 연결 패턴을 포함하여 구성되고, 
     상기 도전성 패턴은 인접한 도전성 패턴과 이격 영역을 사이로 마주보도록 형성되고, 상기 이격 영역에는 인접한 도전성 패턴 각각에 접속된 반도체층이 형성된 것을 특징으로 한다. 
       
     박막 트랜지스터, 정전기, 등전위, 반도체층
Patent KR-20080003276-A (KR)
Title: Die plate
Inventor: TATSUDA OSAMU
IPC: B29C48/345
Filed: 2007-11-26
Abstract: A die plate is provided to densely dispose a large number of nozzle holes with high degree of freedom, and to extend the life of the die plate without causing separation of a member comprising a surface of the die plate, and to manufacture the die plate with reduced number of processes by diffusion bonding WC alloy plates having plural nozzle holes to a cured surface of the die plate. A die plate has a base metal section(2b) and a cured surface(h). The cured surface includes plural WC(Tungsten carbide) alloy plates(1b) diffusion bonded to the cured surface. Each one of the WC alloy plates has plural nozzle holes(4a). The base metal section is composed of SUS(Steel Use Stainless-Japanese Industrial Standard Notation) metal. Each of the WC alloy metal is composed of metal alloys containing 20 to 90% of WC by weight, and has edges below 200mm in length and above 2.5mm in thickness. Each of the WC can also have at least two adjacent edges 20mm or more in lengths and 2.5mm or more in thickness.