baber/WOPTO huggingface dataset:
Patent KR-20030053792-A (KR)
Title: Apparatus for sensing wrong supplying of aluminum wires for deoxidization of liquid steel
Inventor: JANG SEOK GWAN
IPC: B22D11/16
Filed: 2001-12-24
Abstract: PURPOSE: An apparatus for sensing feeding stop of aluminum wire for deoxidization of molten steel is provided to solve problems of tangling of aluminum wire by immediately sensing that aluminum wire can not be fed as it is tangled in the process of feeding aluminum wire into injection flow of molten steel. CONSTITUTION: In an apparatus for feeding aluminum wire into the mold through guiding tube via guiding feeder to deoxidize molten steel inside mold in continuous billet casting process, the apparatus for sensing feeding stop of aluminum wire for deoxidization of molten steel comprises a signal generation member(13) arranged between the guiding feeder and guiding tube and installed in front of the upper side of a support frame(11) where a passageway of the guiding tube is formed; a signal sensing member(14) installed in the lower part of the signal generation member(13) correspondingly to the signal generation member(13); and a blocking stopper(17) which is slid along guiding rods(15) extended to the front side of the support frame(11), and in which the passageway to the guiding tube is formed to block signals from the signal generation member(13) so that aluminum wire is prevented from being tangled by signal blocking of the blocking stopper(17) moved backward by aluminum wires tangled due to occurrence of obstacle during feeding of the aluminum wire.
Patent KR-20030054376-A (KR)
Title: Steel having superior cold formability and delayed fracture resistance, working product made of it and method for manufacturing thereof
Inventor: CHOI HAE CHANG
IPC: C21D8/00
Filed: 2001-12-24
Abstract: PURPOSE: A steel whose cold formability is improved using graphiting characteristics, a steel working product whose delayed fracture resistance and mechanical properties are improved using composite structure characteristics of ferrite and residual austenite as its fine structure, and a method for manufacturing the steel working product are provided. CONSTITUTION: The method for manufacturing high strength steel working product having superior delayed fracture resistance comprises a process of cold forming into a steel working product a wire drawing material which comprises 0.40 to 0.60 wt.% of carbon, 2.0 to 4.0 wt.% of silicon, 0.1 to 0.8 wt.% of manganese, 0.01 wt.% or less of phosphorus, 0.01 wt.% or less of sulfur, 0.002 to 0.01 wt.% of nitrogen, 0.002 wt.% or less of oxygen, one or more elements selected from the group consisting of 0.3 to 2.0 wt.% of nickel, 0.001 to 0.003 wt.% of boron, 0.01 to 0.5 wt.% of vanadium, 0.01 to 0.5 wt.% of niobium, 0.01 to 0.5 wt.% of molybdenum, 0.01 to 0.2 wt.% of titanium, 0.01 to 0.5 wt.% of tungsten and 0.01 to 0.2 wt.% of copper, and a balance of Fe and other impurities, and in which graphite grains having size of 50 μm or less are contained in fine structure in a phase fraction of 0.1% or more; and a process of heating the steel working product at a temperature of Ac3 transformation temperature or more so that austenite single phase is obtained, rapidly cooling the heated steel working product to the temperature range of Ms+30 deg.C to Ms+90 deg.C in a cooling rate of 70 deg.C/sec or more, and isothermal heat treating the rapidly cooled steel working product so that a composite structure of ferrite and residual austenite having fraction of 15% or more is obtained.
Patent KR-20020023881-A (KR)
Inventor: CHOI JAE SEUNG
IPC: E04H12/24
Filed: 2001-12-17
Abstract: PURPOSE: An electric pole with a high-located cable laying stand is provided to execute an installation work of a switch or a repair work comfortably without bending user's back and to prevent a short circuit and an electric shock caused by a flood or rainwater. CONSTITUTION: The electric pole with a high-located cable laying stand comprises the steps of locating a cable laying stand(2) in a position where adult's eyes reach on a post(1) of an electric pole, coupling a base plate(3) for attaching a switch and a cutout switch in the cable laying stand(2), then coupling a cover of the cable laying stand, forming a bolt/nut hole(5) for fixing the cover of the cable laying stand(2) and attaching a cutout switch, a switch and an electric wire(6) to the base plate(3).
Patent KR-20030056224-A (KR)
Title: a method for cleaning the surface of a wafer
Inventor: LEEM D R S
IPC: H01L21/304
Filed: 2001-12-27
Abstract: PURPOSE: A method for cleaning the surface of a wafer is provided to be capable of completely removing contaminants of the wafer surface by repeatedly growing a chemical oxide layer using ozonized water after etching a native oxide layer or a thermal oxide layer using diluted HF at least two time. CONSTITUTION: A wafer(1) is etched by using diluted HF. At this time, a native oxide layer(2) and contaminants(3) are partially removed. The first cleaning process is carried out at the wafer(1) by using deionized water. A chemical oxide layer is growed by using ozonized water. The second cleaning process is carried out at the wafer(1) by using the deionized water. Then, the chemical oxide layer and contaminants are partially removed by using the diluted HF. The processing steps are repeatedly carried out more than two times for completely removing contaminants. Preferably, the diluted HF is used until the native oxide layer is removed and the ozonized water is used until the chemical oxide layer is growed as much as about 5 angstrom.
Patent KR-20030056811-A (KR)
Title: Delay locked loop for protecting lock drift and semiconductor having the same
Inventor: KIM GYU HYEON
IPC: G11C8/00
Filed: 2001-12-28
Abstract: PURPOSE: A delay lock loop for preventing a lock drift and a semiconductor memory device provided with the same are provided to prevent the lock drift in response to the change of the operational mode. CONSTITUTION: A delay lock loop(DLL)(200) for preventing a lock drift includes a voltage control delay circuit(210), a phase comparator(220), a compensation delay block(260), an auxiliary delay circuit(230), a control circuit(240) and an output buffer(250). In the DLL(200), the phase comparator(220) compares the phase of the external clock with the phase of the internal clock and outputs the delay control signal corresponding to the comparison result. The auxiliary delay circuit(230) outputs the internal clocks obtained by delaying the control clock by a predetermined time in response to the auxiliary delay control signal.
Patent KR-20010111502-A (KR)
Title: 캔
Inventor: KIM NAM YEONG
IPC: B65D/
Filed: 2000-03-29
Abstract: 개시된 캔은 음료가 담기는 캐비티를 구비한 본체와, 이 본체의 상면에 호형 또는 환형의 노치부가 형성되어 구획되며 단차를 이루어 형성된 받침 굴곡부를 경계로 제 1경사면과 제 2경사면을 가지는 밀폐부재와, 상기 노치부와 인접위치 받침 굴곡부가 그 수직 중앙부에 위치되도록 밀폐부재에 형성된 골무부와, 상기 제 2경사부에 형성되어 노치부의 파손시 파형으로 절곡되는 파형부와, 골무부와 노치부의 일접된 부위에 골무부의 밴딩시 노치부를 초기 파손시키기 위한 초기 파단부를 포함한다.
Patent KR-20010074682-A (KR)
Title: 부비동 두통을 완화시키기 위한 ｇａｂａ 유사체 및충혈제거제를 포함하는 조성물
IPC: A61P43/00
Filed: 1999-06-18
Abstract: 본 발명은 충혈제거제와 함께 글루탐산 및 감마-아미노부티르산의 유사체를 포함하는 조성물 및 부비동 두통 또는 부비동 통증의 치료 방법에 관한 것이다.
Patent KR-20010075564-A (KR)
IPC: A23G3/54
Filed: 2000-08-04
Abstract: 본 발명은 과자 상부층; 과자 하부층; 및 실질적으로 과자 상부 및 하부층 사이에 위치하여 이들로 싸여 있으며 전체 과자 제품의 3 중량% 이상의 비로 존재하는 시트르산 및/또는 기타 식품산층을 포함하는 긴 띠 모양의 과자 제품에 관한다.
Patent KR-20010081099-A (KR)
IPC: B21D22/30
Filed: 2000-08-24
Abstract: 두께가 0.1∼0.4㎜인 금속박판에 드로잉(drawing)가공을 가하여, 굽힘/신장(伸張)(bending/extending)가공 및 아이어닝(ironing)가공 중 적어도 하나의 박육화가공(薄肉化加工)을 실시함으로써 얻어진, 동부벽(胴部壁 ; trunk wall)을 저부벽(底部壁 ; bottom wall)보다도 얇게 형성한 바닥이 있는 원통모양의 캔을 소재로 하며, 그 캔에 있어서의 캔바닥측에 더욱 가공을 실시하여, 경사면을 가지는 견부(肩部)와 소경(小徑) 원통모양의 구경부(口頸部 ; neck portion)를 일체로 성형(成形)하는 보틀형 캔의 제조방법이다. 상기 캔의 캔바닥 코너부를 종단면이 아치형인 견부곡면으로 예비성형하는 공정과, 상기 캔바닥 코너부의 견부곡면을 주름억제한 상태에서, 상기 캔의 캔바닥을 동부(胴部)보다도 소경의 바닥이 있는 원통모양으로 드로잉성형하는 제1소경 원통부 형성공정과, 캔바닥으로부터 드로잉성형된 바닥이 있는 원통부를, 그 바닥 코너부를 공구의 표면에 의하여 주름억제한 상태에서, 더욱 소경의 바닥이 있는 원통모양으로 드로잉성형하는 제2소경 원통부 형성공정과, 제2소경 원통부 형성공정의 드로잉성형을, 1회 또는 2회 이상 실시함으로써 형성된 바닥이 있는 원통부의 직경이 상기 구경부의 직경과 거의 동일하게 된 후에, 상기 제1소경 원통부 형성공정과 상기 제2소경 원통부 형성공정에 의하여 형성된 견부를, 동부측 견부곡면에 연속된 매끄러운 경사면으로 누름/신장(pushing/extending)성형하는 견부의 재(再)성형공정을 구비하고 있다.
Patent KR-20010080379-A (KR)
IPC: A61K45/06
Filed: 1999-11-09
Abstract: 본 발명은 특히 혈관의 세포소멸 유발로부터 치료 이점을 얻는 병리상태, 예를 들어 혈관 성형술 또는 관상동맥 스텐팅 후의 협착증, 또는 특히 종양의 치료에 유용한 약제의 제조를 위한 프로피오닐 L-카르니틴 및 그의 약학적으로 허용가능한 염의 용도에 관한 것이다.
Patent KR-20010099945-A (KR)
Title: 상 변화형 광 기록 매체 및 이의 제조 방법
IPC: G11B7/26
Filed: 1999-12-24
Abstract: 본 발명은 빛에 의한 상 변화를 이용하여 정보를 기록하는 상 변화형 광 기록 매체로서, 기판, 상기 기판상에 위치한 제 1 유전층, 상기 제 1 유전층상에 위치하고 Sb : Te 의 분자비가 0.6 이하인 GeSbTe 으로 만든 상 변화형 광 기록층, 상기 상 변화형 광 기록층상에 위치한 제 2 유전층, 및 상기 제 2 유전층상에 또는 상기 기판과 상기 제 1 유전층사이의 어느 하나에 위치한 반사층을 포함하고, Sb 2 Te 3 또는 GeTe 의 단일층이거나 Sb 2 Te 3 및 GeTe 의 적층으로서, 상기 상 변화형 광 기록층과 직접 접하도록, 상기 제 1 유전층과 상기 상 변화형 광 기록층 사이 및/또는 상기 상 변화형 광 기록층과 상기 제 2 유전층 사이에 중간층이 더 배치되는 상 변화형 광 기록 매체에 관한 것이다.
Patent KR-20010102554-A (KR)
IPC: H04W52/02
Filed: 2000-03-10
Abstract: 브로드캐스트되는 페이징 메시지들을 수신하는 이동 기지국(12)을 동작시키는 장치 및 방법. 잡음 레벨 또는 페이딩 레벨 같은 동작 특성의 결정이 이루어진다. 상기 결정에 반응하여, 퀵-페이징 채널(F-QPCH)에 브로드캐스트된 페이지 지시 비트들에 반응하는 이동 기지국(12)의 동작을 일으키는 또는 종래 방법으로 페이징 채널을 단순히 모니터 하도록 하는 선택이 이루어진다.
Patent KR-20020004977-A (KR)
IPC: H02J3/38
Filed: 2001-01-25
Abstract: 본 발명은 변압기(리액턴스 XT)를 통해 터빈과 결합한 교류기를 이용하여 전력을 네트워크에 공급하는 방법에 관한 것이다. 본 발명은 발전기를 가능한 정확히 평가하고, 사이트 요구에 기초하여, 그 공칭 전압을 최대한 낮게 감소시키므로써 상기 발전기의 용량을 만족하도록 하고, 터빈에 의해 네트워크의 소비자 또는 작동자가 요구하는 그 유효 전력 및 상기 유효 전력에 관한 무효 전력을 내보내도록 하는 과정으로 구성되는 것을 특징으로 한다.
Patent KR-20010108454-A (KR)
Title: Photoactive polymers
IPC: C08F12/00
Filed: 2000-03-27
Abstract: A photoactive polymer of the general formula I:in which:P is a photoactive group which can photoisomerise and/or photodimerise;B represents an aromatic or alicyclic group, or B further represents a nitrogen atom or -CR<2>-;A, C, D each independently of the other represents an aromatic or alicyclic group;M represents a repeating monomer unit in a homo- or copolymer;S<1>, S<2>, S<3>, S<4>, S<5 >represent a single covalent bond or a spacer unit;n<1>, n<2 >are each independently a positive integer up to 2 with the proviso that n<1>+n<2><=2;R<1 >is a hydrogen atom, or a straight-chain or branched alkyl residue wherein R<2 >represents a hydrogen atom or lower alkyl.The photoactive polymers may be used as orientation layers for liquid crystals and in the construction of unstructured and structured optical elements and multi-layer systems.
Patent KR-20020003233-A (KR)
IPC: H04L29/08
Filed: 2000-04-07
Abstract: 다수의 상이한 RLC 기능들을 규정하는, 이동통신시스템용 플렉서블 무선링크제어(RLC) 프로토콜이 제공된다. 세 개의 상이한 RLC 기능들을 다수의 상이한 방식으로 결합하여 완전하고 기능적이지만, 현존 프로토콜 보다 유연한 RLC 프로토콜을 생성할 수 있다. 예컨대, 자동 재송 요청(ARQ)목적을 위해 어떻게 및/또는 언제 상태보고(14)를 폴 또는 송신할지를 결정하기 위해 새로운 규칙의 집합이 제공된다. 이와 같이, 특정한 서비스 구성을 위해, 하나의 규칙 집합을 사용할 수 있고, 다른 서비스 구성에 대해, 다른 규칙 집합을 사용할 수 있다. 이러한 방식으로, 규칙들은 연루되는 서비스의 유형을 적절히 따른다.
Patent KR-20030059659-A (KR)
Inventor: CHOI YONG WON
IPC: A47L9/28
Filed: 2002-01-03
Abstract: PURPOSE: A method for detecting the clogging of a suction pipe of a vacuum cleaner is provided to easily detect the clogging of the suction pipe and prevent the overheating or the damage of a motor. CONSTITUTION: A method for detecting the clogging of a suction pipe of a vacuum cleaner comprises the steps of: detecting the rotation speed of a motor when a power is applied to the motor of the vacuum cleaner(S10,S20); comparing the rotation speed detected in above step and predetermined value(S30); and determining that the suction pipe, which dust is sucked into the cleaner through, clogs if the rotation speed of the motor is over the predetermined value(S50).
Patent KR-20020088347-A (KR)
Inventor: BRADA JONES
IPC: B65D77/04
Filed: 2002-01-24
Abstract: PURPOSE: A unit dose packaging system with improved child resistance is provided to prevent unauthorized access to the package contents and permit easy withdrawal of the package contents with minimum manipulation. CONSTITUTION: The unit dose paperboard package having improved child resistance characteristics comprises: (a) an outer sleeve including a plurality of side panels(5,7,15), a plurality of hinge panels(20), the side panels and hinge panels being operatively connected to each other; and wherein at least one side panel(7) includes a foldable extension(14) thereof, the extension being folded toward the interior of the sleeve to form a false bottom; and further wherein one(5) of the side panels includes an internal slide card retaining element and a first inner slide card releasing element(13), and another of the plurality of side panels includes a second inner slide card releasing element; wherein the outer sleeve includes a pair of offset notches for grasping and removing an internal slide card; wherein the outer sleeve is at least partially laminated with a polymeric film material; and (b) an internal slide card having encapsulated therein one or more blisters each containing a unit dose of a material to be dispensed, the slide card being comprised of a slide card body and an extension, the extension being folded inwardly over and being positioned parallel to the slide card body when the package is closed.
Patent KR-20030064968-A (KR)
Title: apparatus and method for controlling heat-line of rear window glass in vehicle
Inventor: LEE WON JONG
IPC: B60S1/58
Filed: 2002-01-29
Abstract: PURPOSE: Heat radiation in a rear window of an automobile is adjusted to achieve visible rear view and to improve frost removing area. CONSTITUTION: A frost removing device of automobile rear window is composed of a hot wire power switching portion(101) supplying battery power to remove frost. An air temperature sensor is provided to sense temperature of air. A controller(103) outputs control signal to remove frost by comparing sensed air temperature with a predetermined temperature. A battery power switching portion provides power to a central or peripheral area of rear window by the control signal of the controller. A frost removing portion removes frost radiating heat by supplied power of the battery.
Patent KR-20030065839-A (KR)
Title: Method for fabricating grating of laser diode
Inventor: KANG JUNG GU
IPC: H01S5/12
Filed: 2002-02-01
Abstract: PURPOSE: A method for fabricating diffractive grating of a laser diode is provided to prevent filling phenomenon of a photosensitive film while forming a selective diffractive grating. CONSTITUTION: According to the method, the first photosensitive film pattern is formed on the upper part of a semiconductor layer where a diffractive grating is to be formed. A diffractive grating layer is formed by etching the semiconductor layer using the first photosensitive film pattern as an etch mask. A mask pattern is formed on the upper part of the diffractive grating layer except the scheduled diffractive grating region. The mask pattern formed on the diffractive grating layer to be removed is removed. Then, the diffractive grating in the bottom part revealed by the removal of the mask pattern is removed.
Patent KR-20020070156-A (KR)
Inventor: KANEKO TOSHIO
IPC: C25D13/00
Filed: 2002-02-27
Abstract: PURPOSE: To provide a method for preventing corrosion of paint liquid circulation circuit in an electrodeposition coating. CONSTITUTION: The method for preventing corrosion of a metal composing the circulating circuit of the electrodeposition paint in lead-free cation electrocoating, is characterized by contacting at least one part of the inside of the circulating circuit for the electrodeposition paint with a baser metal than the metal composing the circulating circuit. The above method for preventing corrosion includes that the metal composing the circulating circuit is iron, an 'the baser metal' is zinc.
Patent KR-20030078148-A (KR)
Title: Analog Converter Assembly Apparatus having ground divided by frequency band
Inventor: KIM HUI SU
IPC: H04B1/26
Filed: 2002-03-28
Abstract: PURPOSE: An analog converter assembly device having separated grounds by frequency band is provided to separate grounds every frequency band used in an analog converter assembly, thereby improving isolation between input/output ports and reducing interference between different frequency bands. CONSTITUTION: Grounds(120) are created as many as frequency bands used in an analog converter assembly, and are separated by the frequency bands used in the analog converter assembly. Inductors(130) electrically connect the grounds(120) in order that the grounds(120) can have the same electric potential in each band. If the analog converter assembly uses a diversity function, grounds of paths are separated.
Patent KR-20030080148-A (KR)
Title: method for random scan of Organic Electroluminescence display device with passive matrix structure
Inventor: KIM CHANG JIN
IPC: G09G3/30
Filed: 2002-04-04
Abstract: PURPOSE: A random scanning method of an organic electro-luminescence display having a structure of passive matrix is provided to remove a flickering phenomenon by using random binary series without increasing frame frequencies. CONSTITUTION: An organic electro-luminescence display having a structure of passive matrix includes a plurality of data lines arrayed to one direction, a plurality of scan lines arrayed perpendicularly to the data lines, and a plurality of pixels formed on intersection areas between the data lines and the scan lines. A random scanning method of the organic electro-luminescence display having the structure of passive matrix includes a random scanning process. The random scanning process is to select randomly a scanning order of the scan lines in order not to scan the scan lines toward the predetermined direction. The random scanning method includes a process for outputting a stored value of the last stage of a shift register(10), a process for shifting the stored values of each stage to the next stages, a process for producing a result of a logical operation for the stored value and the output value by using a logical expression(20), a process for storing the result into the first stage of the shift register(10), and a process for selecting the scan line.
Patent KR-20020032505-A (KR)
Inventor: HAN HYO YONG
IPC: H01L21/56
Filed: 2002-04-15
Abstract: PURPOSE: A semiconductor molding apparatus and a related method are provided to eliminate a need of an additional process required after molding due to a conventional use of a supporting pin penetrating a cavity. CONSTITUTION: The apparatus includes a pair of plates(20) facing each other and moving back and forth, a pair of dies(30) formed on inner surfaces of the plates(20) and having the cavity(5) and a lead frame insertion hole(10), and at least one pair of supporting pins(70) for supporting a lead frame(13) inserted in the cavity(5). The supporting pins(70) are connected respectively to a pair of lifting blocks(40) moving back and forth by means of driving members(50). In addition, according to the confronting movement of the lifting blocks(40), the pins(70) appear or disappear in the cavity(5) of the dies(30). Therefore, the pins(70) do not produce a conventional pin hole in a molding compound injected in the cavity(5), so that a conventional process for filling the pin hole is not needed.
Patent KR-20030084198-A (KR)
Title: display apparatus and method for adjusting the brightness thereof
Inventor: HUH JAE CHEOL
IPC: H04N5/57
Filed: 2002-04-25
Abstract: PURPOSE: A display system and a method of controlling luminance of the display system are provided to adjust luminance of a video signal corresponding to a desired signal region. CONSTITUTION: A display system includes a signal processor, a luminance control selector, a luminance controller(5), and a controller(9). The signal processor processes video signals. The luminance controller changes a digital level of a video signal. The controller divides the video signal into at least two regions according to the digital input level of the video signal on the basis of a choice of the luminance control selector, and controls the input level for each region to provide the video signal to the signal processor. The luminance controller includes a memory for storing a video signal level conversion table, and outputs a video signal whose digital level has been converted on the basis of the video signal conversion table according to information provided by the controller.
Patent KR-20030086058-A (KR)
Title: Electric cauterization apparatus
Inventor: JUNG BOG HYUN
IPC: A61H39/06
Filed: 2002-05-03
Abstract: PURPOSE: Provided is an electric moxa cautery apparatus, by which it is possible to control temperature by electrical heating and conduct the moxa cautery without generating smoke and odor. CONSTITUTION: The apparatus includes a heat generating element having a heating body and a temperature sensor to sense the temperature of the heating body; a standard temperature setting part(11) to manipulate a final heating temperature of the heating body; a temperature display part(12) to show the temperature of the heating body; a timer(14) to set the operation time so that the heating body continuously emits heat; an electric power supply unit to supply electric power; an electric power control unit to control the electric power from the electric power supply unit in accordance with the standard temperature; a temperature control unit connected to respective parts to organically control them; and a temperature sensing part(40) to transmit a signal from the temperature sensor of the heating body to the temperature control unit.
Patent KR-20020048337-A (KR)
Inventor: CHOI SEUNG O
IPC: A01G1/04
Filed: 2002-05-03
Abstract: PURPOSE: A method for cultivating mushrooms such as Sparassis Cripsa Wulfen Fr. and Phellinus linteus by changing the temperature during cultivation is provided. Whereby, the growth of a fruit body is achieved within a short period of time at low cost. CONSTITUTION: Sawdust of a larch and a broad-leaved tree in a ratio of 3:1 to 1:1 is mixed with 0.5 to 3.0% by weight of activated carbon and 0.01 to 0.5% by weight of activated calcium, based on the total weight of the medium and sterilized at high pressure. The cultivation temperature is kept at 24 to 26deg.C until a mycelium is prevailed, raised to 26 to 28deg.C after the mycelium is prevailed and then kept for 10 days.
Patent KR-20030086653-A (KR)
Title: Boxes transferring and loading device
Inventor: HEO KYUNG GU
IPC: B65G47/00
Filed: 2002-05-06
Abstract: PURPOSE: A device for conveying/loading a box is provided to quickly and easily perform conveying and loading work by successively loading boxes conveyed by a conveyor. CONSTITUTION: A conveyor(200) moves along a rail(120), and includes a moving body moving along the rail and a lifting body. The lifting body is connected to the moving body by a belt, and moves up and down. The belt is wound/unwound on a roller installed at the moving body.
Patent KR-20030087461-A (KR)
Inventor: JU HYEONG DAL
IPC: H01J29/76
Filed: 2002-05-10
Abstract: PURPOSE: A deflection yoke is provided to effectively suppress a magnetic field leakage even without using an additional cancel coil. CONSTITUTION: A deflection yoke comprises a horizontal deflection coil(51a,51b) for deflecting electron beams in a horizontal direction, a vertical deflection coil(52) for deflecting electron beams in a vertical direction, a holder(53) for supporting the horizontal deflection coil and the vertical deflection coil and allowing for an insulation between the horizontal and vertical deflection coils, and a core(54) for achieving improved magnetic forces of the main deflection magnetic field generated by the deflection coils. The deflection yoke has a correction circuit substrate(56) on which a pattern of a predetermined coil shape is formed so as to compensate for a magnetic field leakage.