baber/WOPTO huggingface dataset:
Patent KR-100787941-B1 (KR)
Title: Photomask with overlay mark and methods of fabricating semiconductor device
Inventor: YOO DO YUL
IPC: H01L21/027
Filed: 2006-07-13
Granted: 2007-12-24
Abstract: A photo mask having at least one lower overlay mark and a method for manufacturing a semiconductor device are provided to measure an overlay accuracy corresponding to the various factors in a manufacturing process. A chip region and a scribe lane region are formed on a photo mask substrate. An overlay mark is located at the lane region of the scribe region. The overlay mark comprises at least one of lower overlay mark(200) which is constituted by a plurality of unit regions connected sequentially with a different width.
Patent KR-100771400-B1 (KR)
Title: Apparatus of cleaning air for repairing a photo mask, apparatus of repairing a photo mask having the same, and method of repairing a photo mask using the same
Inventor: JUNG MOON HYUCK
IPC: H01L21/027
Filed: 2006-07-14
Granted: 2007-10-30
Abstract: An air removing apparatus for repairing a photomask is provided to more stably repair a photomask by easily repairing defects of a light masking pattern in a photomask used for fabricating a latest microscopic pattern and by sufficiently removing a cause of defects generated in the repair process. A region of a defective light masking pattern is defined in a photomask having a light transmission base member including a transparent film and a light masking pattern including ink. The bottom surface of a chamber(100) is opened. The open bottom surface is closely attached to the photomask in which the region of the defective light masking pattern is positioned to define the region of the defective light masking pattern. The air existing in the region of the defective light masking pattern is exhausted to the outside of the chamber by an air exhaust part(110). The air exhaust part includes an exhaust member connected to a flow path(102) formed at one side of the chamber. The exhaust member performs a pumping operation to exhaust the air in the region of the defective light masking pattern to the outside of the chamber through the flow path.
Patent KR-100655135-B1 (KR)
Title: A construction method of switch board
Inventor: HONG CHANG SUN
IPC: H02G3/12
Filed: 2006-07-20
Granted: 2006-12-08
Abstract: A construction method of a switch board is provided to minimize vibration of the switch board due to an aftershock of a spring by reducing vibration of the spring. In a construction method of a switch board, a switch board box(20) whose front part is opened and both sides and bottom part have connecting holes, is fixed to a mold. The connecting holes are connected to a spring case(30). The switch board box(20) and the spring case(30) are buried into concrete by casting and curing the concrete. A spring(50) is connected to the spring case(30) through each connecting hole. A switch board(40) which is relatively smaller than the switch board box(20), is located inside the switch board box(20). A damper(60) is connected and fixed to the side and bottom part of the switch board(40) to be connected to the spring(50). The damper(60) includes a damper case fixed on the switch board(40), oil accommodated in the damper case, a piston having a hole for the oil, and a piston rod connected to the piston and contacted to the spring(50).
Patent KR-100827682-B1 (KR)
IPC: H04N1/41
Filed: 2006-07-21
Granted: 2008-05-07
Abstract: 본 발명은 제이펙 이미지 변환 방법 및 장치에 관한 것이다. 본 발명의 바람직한 일 실시예에 따르면, 부호화된 제이펙 이미지를 입력받아 헤더 정보를 분석하여 이용된 허프만 테이블 정보의 개수를 결정하여 정해진 개수 미만이면 제이펙 이미지 변환 명령을 생성하는 이미지 분석부; 상기 제이펙 이미지 변환 명령에 따라 상기 제이펙 이미지에 포함된 허프만 테이블 정보를 복사하여 삽입하고 변경하는 허프만 테이블 삽입부; 및 상기 삽입된 허프만 테이블 정보에 상응하도록 헤더 정보의 테이블 선택 정보를 변경하는 헤더 변경부를 포함하는 이미지 변환 장치가 제공될 수 있다. 따라서, 본 발명에 의해, 하드웨어로 구현된 제이펙 디코더에서 미리 정의된 개수 미만의 허프만 테이블을 이용하여 부호화된 이미지를 복호화할 수 있는 효과가 있다.  
       
     제이펙, JPEG, 이미지 변환,
Patent KR-100798586-B1 (KR)
IPC: H01F29/00
Filed: 2006-08-16
Granted: 2008-01-28
Abstract: 통신 모드에서 통신 신호들을 픽업하기 위한 안테나로서 기능하고, 전력 변환 모드에서 디바이스에 전력을 공급하기 위해 내부 전원으로부터 이용가능한 전력을 조절하기 위해 사용되는 스위칭 레귤레이터 내의 에너지 저장 인덕터가 되도록 구성된 유도성 소자로서 기능하도록 구성된 유도성 소자; 및 상기 통신 모드와 상기 전력 변환 모드 사이를 전환하기 위한 제어가능한 스위치를 포함하는 전자 디바이스가 개시된다.  통신 시스템은 상기 수신기 또는 상기 전력 변환 회로 중 어느 하나에 상기 유도성 소자를 접속하기 위한 제어가능한 스위치를 더 포함한다.  제어가능한 스위치는 단극성 또는 바이폴라 트랜지스터 스위치들 또는 기계적 스위치들 또는 중계기들에 의해 통신 모드와 전력 변환 모드 사이에서 시스템을 전환시킨다.  통신 시스템은 생체내 의료 디바이스에서 사용될 수도 있다. 
       
     전력 변환기, 마이크로제어기, 수신기, 유도성 소자, 생체내 의료 디바이스
Patent KR-100915173-B1 (KR)
IPC: E01F9/04
Filed: 2006-08-18
Granted: 2009-09-11
Abstract: 가. 청구범위에 기재된 발명이 속하는 기술분야. 
     본 발명은 위험지역의 도로에 설치되어지는 시선유도봉에 관한 것으로, 차량이 주행할 경우에 또는 도로에서 발생되는 풍력을 이용하여 발생된 전기로 발광토록 한 것이다. 
     나. 발명이 해결하려는 기술적 과제. 
     현재 사용되는 시선유도봉은 도로의 위험지역이나 공사장 등의 안전표시가 요구되어지는 부분에 설치되어지는 것으로 대부분 속이 빈 플라스틱 봉으로 제조되어지고, 이러한 플라스틱 봉의 외주에는 불빛에 반사되어지는 반사띠를 다층으로 색색깔로 형성토록 함으로서 야간 주행시 차량이 전조등 빛에 의하여 발광토록 함으로서 안전운전을 유도하게 되는 것이다. 
     그러나 이러한 반시띠가 먼지등에 의하여 도포되어질 경우에는 반사가 이루어지지 못하여 안전운전에 많은 문제점이 있다는 것이고 이러한 것의 반사가 장시간 유지되지 못하면 그 반사의 효과가 미미하다는 것이다. 
     다. 발명의 해결방법의 요지. 
     따라서 본 발명은 차량이 주행할 경우에 발생되는 풍력과 대로변에 부는 강한 바람을 이용하여 풍력에 의한 전기를 발생시켜 이를 축전에 의하여 또는 즉시 발광이 가능토록 한 것이다. 
     라. 발명의 중요한 용도 
           자동차 시선유도봉
Patent KR-100759341-B1 (KR)
Title: Control method for change refrigerator capillary
Inventor: LEE JONG HYOK
IPC: F24F11/02
Filed: 2006-08-21
Granted: 2007-09-17
Abstract: A controlling method of a refrigerant pipe of a refrigerator having two rooms is provided to previously prevent defects by detecting temperature changes of the two rooms, and detecting defects of products and exchanging control modes of the two rooms with each other when reverse assembling of the refrigerant pipe occurs by mistakes of an operator. A controlling method of a refrigerant pipe of a refrigerator having two rooms includes the steps of measuring initial temperatures of a room 1 and a room 2, and operating only the room 1 and measuring the temperature after five minutes(S201), measuring the temperature change DeltaT1 of the room 1 and the temperature change DeltaT2 of the room 2(S202), initializing the room 1 after the step S202 and measuring initial temperatures of the room 1 and the room 2, and operating only the room 2 and measuring the temperature after five minutes(S203), proceeding to a room normal control step S205 when the temperature change DeltaT2 of the room 2 is present and the temperature change DeltaT1 of the room 1 is absent after the step S202, and proceeding to a step S209 for determining whether the temperature change DeltaT2 of the room 2 is absent and the temperature change DeltaT1 of the room 1 is present in the cases other than the case when the temperature change DeltaT2 of the room 2 is present and the temperature change DeltaT1 of the room 1 is absent, and proceeding to a room change control step S206 when the temperature change DeltaT2 of the room 2 is absent and the temperature change DeltaT1 of the room 1 is present (S204).
Patent KR-100772002-B1 (KR)
Title: Apparatus for protecting a power cable
Inventor: YOO KYUNG NAM
IPC: B66B7/12
Filed: 2006-08-21
Granted: 2007-10-31
Abstract: An apparatus for protecting a power cable is provided to prevent the power cable from being caught in a master during the lift of a cage by strong wind since more than a predetermined swaying range of the power cable can be detected, allowing a limit switch to deactivate a motor of the cage. An apparatus for protecting a power cable for a lift comprises a master standing on a building, a guide rail standing on the master, a cage(40) having a motor-driven pinion meshed with the guide rail to be moved along the guide rail, a power cable(C) whose one end is connected to the motor of the cage and the other end is connected to a stationary external power source, and a trolley for keeping the power cable tight-stretched. A limit switch unit(210) and a cable arm(220) are secured on a cage frame(41) of the cage. The cable arm comprises a tubular unit(221) where the power cable is penetrated, and a bracket(222) integrated with the tubular unit, having support points(P1,P2,P3) disposed in an equilateral triangle facing the cage frame, and mounted on the cage frame by bolts(B1,B2,B3). The bolt disposed on the support point is secured on the cage frame while penetrating a long hole(222a) on a lower side of the bracket, with its head projected, wherein the head is spaced from the surface facing the bracket. The limit switch unit comprises a rectangular case(211), a hinge shaft(213) mounted on a projected portion(212) on the lower side of the rectangular case, a bar(215) wherein a base end makes external contact with the hinge shaft, capable of elastic rotation and a front end is mounted with a rotary contact roller(214), and a limit switch(216) elastically retractable to exert pressure on the bar when the bar is rotated about the hinge shaft. The contact roller is elastically compressed at one side of the bracket, rolling along the one side. The limit switch is connected to a control unit to allow the control unit to deactivate the motor which lifts the cage, when pressed by the bar.
Patent KR-100903177-B1 (KR)
IPC: H01L21/027
Filed: 2006-09-14
Granted: 2009-06-17
Abstract: 리소그래피 장치의 요소들, 예를 들어 콜렉터 미러와 같은 광학 요소들의 세정 방법은, 질소 함유 가스를 제공하는 단계; 상기 가스의 적어도 일부로부터 질소 라디칼들을 발생시켜 라디칼 함유 가스를 형성시키는 단계; 및 상기 라디칼 함유 가스의 적어도 일부를 상기 장치의 하나 이상의 요소들에 제공하는 단계를 포함한다. 리소그래피 장치는 소스 및 광학 요소, 및 라디오 주파수 방전을 발생시키도록 배치된 전기 방전 제너레이터를 포함한다.
Patent KR-101283846-B1 (KR)
IPC: F01K11/00
Filed: 2006-09-19
Granted: 2013-07-08
Abstract: 본 발명은 열병합 발전소에서 사용하는 복수기내에 유입되는 해수중에 함께 들어와 복수기 튜브에 서식하는 어패류의 제거장치 및 방법에 관한 것으로, 보다 상세하게는 복수기에 유입되는 해수중의 해조류, 톱밥 등의 이물질로 인하여 복수기 튜브의 막힘 현상을 해수를 역류시켜 관통시키는 발전설비 복수기의 냉각수류 방향조절에 의한 어패류 제거장치 및 방법에 관한 것이다. 
     본 발명은 복수기 A측과 복수기 B측을 후방에서 연결시키기 위한 후방 연결관(210), 상기 후방 연결관(210)의 개폐를 위해 작동하는 복수기 역세 밸브(220) 및 복수기 A측과 복수기 B측의 본체 각각에 설치되어 수세작업을 위한 해수의 흐름방향을 제어하는 수세 밸브(221, 222)를 포함하여 이루어지는 것을 특징으로 한다. 
     본 발명에 의하면 복수기내에 유입되는 해수중의 해조류, 톱밥 등의 이물질로 인하여 복수기내의 냉각수관의 막힘 현상을 해수를 역류시켜 관통하여 줌으로써 복수기 진공도를 향상시킬 수 있는 효과가 있다. 또한, 복수기내에 어패류가 유입하여 서식함으로써 복수기로 유입되는 해수의 유량감소, 복수기의 진공도 저하에 따른 터빈의 효율저하, 설비의 소손 등을 사전에 방지함으로써 복수기를 관리하는데 따른 많은 인력이 낭비되는 것과 엄청난 정비비가 소요되는 것을 방지할 수 있는 효과가 있다. 
       
     열병합 발전소, 복수기, 어패류 제거, 냉각수관, 역세 밸브
Patent KR-101276830-B1 (KR)
IPC: H04B1/40
Filed: 2006-09-26
Granted: 2013-06-18
Abstract: 본 발명은 키의 위치상에 대응되는 키 인디케이터를 표시하는 단계와; 상기 키와 연계된 특정 메뉴가 실행됨에 따라, 상기 키 중 적어도 하나 이상씩 통합하여 동일하게 동작하도록 설정하는 단계와; 상기 통합된 키의 인디케이터를 단일화하는 단계를 포함하여 이루어지는 것을 특징으로 하는 이동통신 단말기의 키 구성 방법에 관한 것으로써, 특정 메뉴에서 필요한 키만 동일하게 동작하도록 통합하여 사용함으로써, 터치 패드의 인식률를 높이고, 오동작을 최소화하는 효과가 있다.  
       
     키, 인디케이터, 터치패드
Patent KR-100805671-B1 (KR)
Title: Method for cleaning and massage a male reproductive organ using the same
Inventor: YUN DAE DUCK
IPC: E03D9/08
Filed: 2006-10-12
Granted: 2008-02-21
Abstract: A method for cleaning or massaging the genital organs using a bidet is provided to heighten the marketable value of a bidet by cleaning or massaging the genital organs using washing nozzles for the male user and the female user. A method for cleaning and massaging the genital organs using a bidet comprises the steps of: inputting a switch selection for cleaning or massaging the genital organs of users using a nozzle selection lever(140); and cleaning or massaging the genital organs of users using washing water sprayed through cleaning nozzles(110,120,130) for the male user and the female user according to the inputted signals.
Patent KR-100818234-B1 (KR)
Title: Belt buckle holder of ststic type safety belt of construction equipment seat
Inventor: KIM HAK SHIN
IPC: B60R22/18
Filed: 2006-10-17
Granted: 2008-04-01
Abstract: A pocket type holder is provided to prevent unintended operation of construction equipment by keeping the tongue of a static seat belt in the holder from making a contact with buttons at the control panel. The pocket type holder is used as an alternative of an expensive retractable seat belt to reduce cost with featuring safety. A static seat belt having a buckle(1) at a side and a tongue(2) to be latched to the buckle includes a pocket type holder(5) or a hook at a side of the backrest(6) of a seat(4) to stow the tongue of the seat belt released from the buckle.
Patent KR-100771922-B1 (KR)
Title: Air circuit breaker
Inventor: YANG HONG IK
IPC: H01H31/02
Filed: 2006-10-17
Granted: 2007-11-01
Abstract: An air circuit breaker is provided to improve durability by dispersing the load applied to the center of a switching axis to both sides of the switching axis to reduce the abrasion of parts. An air circuit breaker includes a switching mechanism unit(2), a switching axis(3), and a pair of holders. The switching mechanism unit consists of a plurality of links, compresses an input spring(25) by converting the rotation of a rotation axis(21), and provides driving force caused by the elastic force of the input spring. The switching axis is mechanically connected with the switching mechanism unit, and transmits the driving force generated from the switching mechanism unit. The pair of holders rotatably support both sides of the switching axis at a frame which is installed at both sides with respect to the center of the switching axis.
Patent KR-101266101-B1 (KR)
IPC: F24C7/02
Filed: 2006-11-17
Granted: 2013-05-27
Abstract: 본 발명은 조리실의 내부를 매우 효과적으로 간편하게 청소하고, 조리실을 청소하기 위한 부품수와 비용의 증가를 방지할 수 있는 마이크로웨이브를 이용하는 조리장치에 관한 것으로써, 조리실이 내부에 배치된 케이싱과, 상기 조리실의 내부에 착탈 가능하게 배치되고 물이 수용되는 트레이와, 상기 조리실에 연결되어 마이크로웨이브를 공급하는 마이크로웨이브 공급유닛과, 상기 케이싱의 일측에 배치되고 상기 마이크로웨이브 공급유닛의 마이크로웨이브에 의해 트레이의 물에서 증기가 발생되도록 하는 청소모드를 선택하는 조작부를 포함한다. 
       
     조리장치, 전기 오븐, 조리실, 마이크로웨이브 공급유닛, 마이크로웨이브, 트레이, 증기
Patent KR-100688342-B1 (KR)
Title: Pretreatment apparatus for ascon joinning part
Inventor: LEE SANG WOO
IPC: E01C19/17
Filed: 2006-11-28
Granted: 2007-03-02
Abstract: A pretreatment apparatus for asphalt and concrete pavement joints is provided to travel a tracked vehicle in a straight line without lateral movement and to park on a slope way by traveling using crawlers, to treat asphalt and concrete pavement joints beforehand without any inconvenience by installing a platform loaded with a fuel tank and an emulsion tank on a frame of a tracked vehicle, and to control the tension of a belt wound on pulleys of a pressure pump freely and to remove a belt easily by moving a pressure pump using a pump mover. The pretreatment apparatus for asphalt and concrete pavement joints contains a tracked vehicle(50) traveling by crawlers(54) installed on both sides of a frame(52) and steered by a steering device(56) installed on the rear of the frame together with an engine(E), and fixed with a platform(58) to load a fuel tank(FT) of liquefied gas and an emulsion tank(OT) of bituminous emulsions, a sprayer(60) composed of a horizontal mount(61) projected to the side of the platform of the tracked vehicle, a lifting screw(63) attached with a handle(63a) to be coupled to the end of the horizontal mount and coupled with a ring nut(61a) of the horizontal mount, a lifting plate(65) fixed to the bottom of the lifting screw and attached with a pivot member(PV) to pivot the lifting screw, and plural torches(67) and a nozzle(69) connected to fuel and emulsion lines(L1,L2) to be supplied with liquefied gas and bituminous emulsions, a pressure pump bolted on the platform and connected between main and branch lines(Ld) of the emulsion line, an electromotive member composed of pulleys installed to a driving shaft and an output shaft of the engine and a belt wound on the pulleys, and connecting the pressure pump with the engine, and a pump mover moving the pressure pump toward the engine at need, and composed of a rotary plate fixed with the pressure pump using a bolt(B), a fixing bolt fixed vertically on a horizontal pipe using a nut, and a fixing bracket coupled to the horizontal pipe using a hinge bolt.
Patent KR-100769353-B1 (KR)
Title: The functionality street flowerpot
Inventor: KO YOUNG CHUN
IPC: A01G9/02
Filed: 2006-11-30
Granted: 2007-10-24
Abstract: A functional street flower pot is provided to improve the beauties of the street by planting plants on all sides of the flower pot except for a bottom part to allow the plants to be seen from any direction and prevent the death of herbaceous flowering plants. A street flower pot comprises a bottom part(110) opened at the top and a side part(120) which are formed by connecting a connecting device(180) and connecting rod(182) and have a grid shape to plant plants. A drain plate(130) with a plurality of drain grooves(131) is formed at the upper part of the drain plate; and a nonwoven fabric(140) is installed at the upper part of the drain plate and filled with zeolite at the center. A plurality of moisture storage rods(150) is built inside the zeolite which is filled with culture soil(170). A herbaceous flowering plant(175) is planted in the culture soil.
Patent KR-100794718-B1 (KR)
Title: Method of forming mim capacitor
Inventor: PARK JONG WAN
IPC: H01L27/108
Filed: 2006-12-04
Granted: 2008-01-21
Abstract: A method for forming an MIM capacitor is provided to improve characteristics of a semiconductor device by depositing a high dielectric material for increasing precision of a device. A lower electrode(10) is formed on a substrate of a semiconductor device including silicon by using an atomic deposition method. A surface stabilization layer including noble metals is formed on the lower electrode by using the atomic deposition method. A dielectric layer(20) including a dielectric material is formed on the surface stabilization layer by using the atomic deposition method. A surface stabilization layer(40) including noble metals is formed on the dielectric layer. An upper electrode(30) is formed on the surface stabilization layer by using the atomic deposition method. The surface stabilization layer is formed by using one or two and more elements of Pt, Ru, Rh, Pd, Ag, W, Ni, Co, Fe, and Ir.
Patent KR-100782137-B1 (KR)
Title: Center bearing fabricating apparatus for propeller shaft of vehicle
Inventor: PARK GI YEUL
IPC: B23P19/12
Filed: 2006-12-04
Granted: 2007-12-05
Abstract: A center bearing assembling apparatus for a propeller shaft of a vehicle is provided to prevent breakage of a needle bearing of a universal joint by fitting a center bearing into the propeller shaft in a predetermined depth and avoiding excessive loading from being applied to the center bearing. A center bearing assembling apparatus includes a frame(1), a base plate(2) positioned on the frame, a propeller shaft support(3) positioned on the center of the base plate, a clamp(4) positioned on both sides of the support, a column(5) positioned in the rear of the base plate, a servo motor(6) arranged on the column, and a vertical movement unit(7) joined to a helical shaft of the servo motor.
Patent KR-100781900-B1 (KR)
Inventor: KIM DONG HYUN
IPC: E02D29/02
Filed: 2006-12-10
Granted: 2007-12-04
Abstract: An environment-friendly retaining wall is provided to perform interior/exterior finishing works and to take adiabatic and soundproof effects at a construction and to form a vegetative structure on a retaining wall by sprouting between pumice stones. An environment-friendly retaining wall is constructed by the steps of: manufacturing a form in the shape of a building and forming a form on a line of an internal wall of a building(s1); sorting prepared pumice stones and removing dust of 2mm or below, and drying the sorted pumice stones(s2); mixing 70~90 weight percent dried pumice stones and 10~30 weight percent primer and permeating the primer into the pumice stones(s3); stirring 55~75 weight percent pumice stones with the primer permeated and 25~45 weight percent resin binder several times(s4); placing the stirred pumice stones and resin binder in the form and spraying tormarine powder or seeds to have functionality(s5); hardening for at least 1 day(s6); and checking the condition of the hardened pumice stones and stripping off the form(s7).
Patent KR-100770344-B1 (KR)
Title: Uniformity device of insulation film layer
Inventor: PARK SOON BOK
IPC: B05C11/02
Filed: 2006-12-26
Granted: 2007-10-25
Abstract: A device for improving the coating uniformity of an insulation coating layer is provided to prevent the generation of strip, to enhance the coating uniformity in the width direction of strip and to improve the insulation and surface quality of an electrical steel sheet by reducing stickiness. A device for improving the coating uniformity of an insulation coating layer comprises a fixed base(100) which is installed at the upper part of the strip not so as to be interfered just after the insulation coating and is provided with a fixed guide block integrally; a pair of operation cylinders(110) which are installed on the fixed base; a flowing plate(200) whose one side surface is connected with the operation cylinders and which is provided with a supporting stand and a guide roll moving along the guide block(120); a gas spray block(300) which is fixed to the terminal of the flowing plate and is provided with the hollow upper end connected with a gas supply pipe and provided with a spray nozzle; a slave worm gear(210) which is installed on the flowing plate; a drive worm gear(220) which is geared with the slave worm gear and is installed at the rotation axis of the drive motor fixed to the flowing plate; a rotation gear(230) which is geared with the slave worm gear and the drive worm gear and is built on the flowing plate; an operation rod(240) which is built on the flowing plate by a long hole, whose one end is fixed to the upper surface of the rotation gear by a pin through the long hole and whose the other end is provided with a fixed curved gear and is inserted into the gas spray block; and a nozzle puncher(310) which is built on the hollow part of the gas spray block and is geared with the curved gear.
Patent KR-100837103-B1 (KR)
Title: Device for displaying the remainder of welding wire of co2 gas welding system
Inventor: LEE MUN YONG
IPC: B23K9/133
Filed: 2006-12-27
Granted: 2008-06-11
Abstract: A device for informing residual quantity of a welding wire of a CO2 gas welding system is provided to prevent product defects and improve productivity by allowing an operator to recognize as a welding wire replacing time a time point when a sensing dog is sensed in a sensor, thereby stably maintaining the replacement timing of the welding wire. In a CO2 gas welding system comprising a welding torch, a wire drum(7), a CO2 gas tank, and a CO2 gas welder, a device for informing residual quantity of a welding wire(9) of the CO2 gas welding system comprises: a wire cover(21) which is placed on a top part of the welding wire coiled in a coil shape within the wire drum, and which has a through hole(23) formed in a central part thereof to uncoil the welding wire through the through hole; a sensing dog(25) made of a permanent magnet and mounted on one side of a top part of the wire cover oppositely to the through hole; a sensor(27) made of a magnetic sensor and mounted on one side of a bottom face(F) of the wire drum to output the sensing signal to a controller(29) by sensing magnetism of the sensing dog; and a display unit including a lamp(31) for displaying the replacement time of the welding wire to allow an operator to recognize the replacement time according to an output signal outputted from the controller.
Patent KR-100868193-B1 (KR)
IPC: C22C38/18
Filed: 2006-12-28
Granted: 2008-11-10
Abstract: 본 발명은 리징성을 나타내는 Rmax값 계산식(1식) 및 내식성을 나타내는 피팅 인덱스 계산식인 P.I.(2식)식을 이용하여 고가 원료인 Mo 첨가량을 줄이고 대신에 Cr 함량을 높이고, 첨가 합금원소중 C%/N%를 최적으로 조절하고, 슬라브의 가열온도와 마무리 압연온도, 열연 및 냉간압연조건을 제어함으로써 리징성이 우수한 저가의 고내식 고 Cr 페라이트계 스테인리스 냉연강판을 제공하는 것을 요지로 한다.  
     Rmax = -658.5x(C+N)-0.4xCr-0.54xMo-0.6xTi/(C+N)+53.1 ···(1)               P.I.=Cr+3.3Mo························(2) 
       
     페라이트계, 스테인리스, 고 Cr, 저 Mo, C/N 비, 연신율, 고내식성, 리징성