baber/WOPTO huggingface dataset:
Patent KR-20090011910-A (KR)
Title: Reinforcing structure of pannel for vehicle
Inventor: KANG HEE WON
IPC: C23C26/00
Filed: 2007-07-27
Abstract: A stiff reinforcing structure of a steel sheet for vehicles is provided to improve rigidity of the steel sheet by successively coating BPR sealer and contraction absorber onto the steel sheet for the vehicles. A method for manufacturing a stiff reinforcing structure of a steel sheet for vehicles comprises a step of coating BPR sealer(21) and contraction absorber(22) onto the steel sheet surface with to be crossed over each other, a step of coating the BPR sealer and contraction absorber to be crossed at perpendicularity or horizontal direction, a step of coating the BPR sealer and contraction absorber to be crossed at the oblique direction and a step of coating the BPR sealer and contraction absorber with the lattice form.
Patent KR-20090016854-A (KR)
Title: Ultra high strength welding joint of 950mpa grade having excellent low temperature toughness
Inventor: HONG HYUN UK
IPC: B23K9/23
Filed: 2007-08-13
Abstract: A welding joint having more than 950MPa of tensile strength is provided to control a range of a carbon equivalent formula for a welding metal in order to secure ultra high tensile strength more than 950MPa as well as high toughness at a low temperature. A welding joint having more than 950MPa of tensile strength comprises the following components. A welding metal composed of a base metal and a filler metal satisfies a carbon equivalent value(Ceq) of the following formula in a range from 0.7% to 0.8%. Ceq=[C]+[Mn]/6+([Cr]+[Mo]+[V])/5+([Ni]+[Cu])/15. The welding metal comprises more than 60 area% of acicular ferrite, bainite, 10~20 area% of martensite.
Patent KR-20090018462-A (KR)
Title: Fabricating method of turbine housing/manifold cast iron
Inventor: HAN JE WON
IPC: B22D1/00
Filed: 2007-08-17
Abstract: A method for manufacturing casting iron of turbine housing/exhaust manifold is provided to increase properties of thermal conductivity, coefficient of thermal expansion, thermal shock, thermal transformation etc. A method for manufacturing casting iron of turbine housing/exhaust manifold comprises the following steps of: preparing original molten metal; inoculating ladle with compacted vermicular; inputting nodulariser after tapping the original molten metal to the radle; forming molten metal by inoculating the inputted original molten metal; and pouring the molten metal into a molding frame.
Patent KR-20090020080-A (KR)
Title: Die casting method
Inventor: KIM YONG HYUN
IPC: B22D17/00
Filed: 2007-08-22
Abstract: A die casting method is provided to protect over cooling of a core pin by blocking an inflow of cooling water. A die casting method comprises the following steps of: spraying release agents on a first mold(10), a second mold(20) and a core pin; adhering the sprayed first mold and second mold closely; injecting molten metal into a cavity(40); maintaining an adhering state of the first mold and second mold for the latency time determined in advance; separating the first mold with the second mold after the predetermined time; and taking out the molten metal from the mold.
Patent KR-20090020150-A (KR)
Title: Adaptive converged internet protocol messaging service device and operation method
Inventor: KIM SONG KYOO
IPC: H04B1/40
Filed: 2007-08-22
Abstract: An adaptive integration-IP message service terminal and a message transmitting/receiving method for converting the message which is transmitted and received in order to support the integration-IP message service in preexistence network are provided to apply the integration IP message service regardless of kinds of network. An adaptive integration-IP(Internet Protocol) message service terminal activates a writing message(S101). Message data according to the input signal is prepared the terminal by using the writing message(S103). The terminal sets up the message property of message data(S107). The terminal produces the message property of being set up as described above and adaptive unified message including message data(S111). The terminal transmits the adaptive unified message to the outside(S113).
Patent KR-20090021567-A (KR)
Title: Manufacturing of dope dyed functional nylon fiber having antimicrobial and quick-drying property
Inventor: LEE TAE GYUN
IPC: D01F1/10
Filed: 2007-08-27
Abstract: A manufacturing method of dope dyed functional nylon fiber having an antimicrobial and a quick-drying property is provided to manufacture the dope dyed nylon fiber having complex functionality. A manufacturing method of dope dyed functional nylon fiber having an antimicrobial and a quick-drying property comprises the following steps of: using a spinneret of a žª typed shape or a §„ typed shape; adding a nano metal powder micro granule(a corpuscle of the nano silver); and mixing carbon black with 0.1 - 2.0 weight% of a yarn. The amount of the nano metal powder micro granule is 2 - 300ppm in the yarn. The fiber is made of one selected from a group consisting of acrylonitrile butadiene styrene, polystyrene, polycarbonate, and polyamide, polyester, polypropylene etc.
Patent KR-20090022963-A (KR)
Title: Lever type connector and assembling method the same
Inventor: SHIN SEUNG HWAN
IPC: H01R13/629
Filed: 2007-08-31
Abstract: A lever type connector and a coupling method thereof are provided to facilitate connector keeping by maintaining a lever in a state that the lever is temporarily fixed to an external plane of the housing even before two connectors are coupled to each other. A terminal is installed at a housing(12), and a rotative central pin(20) is protruded at both planes of the housing. A mounting plate(45) including the rotative central hole to which the rotative central pin of the housing is inserted at the both ends of a lever(40). A mounting plate is connected to a connection coupling unit(43). A cam slot(54) which guides the linking pin(60) of the other connector is formed at the mounting plate so that the other connector may be inserted into the housing. An elastic member(24') provides elastic force between the housing and the lever in order to rotate the lever in a direction where the lever separated from the external plane of the housing.
Patent KR-20090024847-A (KR)
Title: Communication system
Inventor: SHIN YONG KYOUNG
IPC: H04L12/70
Filed: 2007-09-05
Abstract: A communication system is provided to deal with an error of an application service stably by defining an event processing method according to a state when implementing SIP(Session Initiation Protocol) internet phone communication. A communications system includes a service management unit(100), a protocol stack management unit(200) and a media stack management unit(300). The service management unit handles the UI(User Interface) and the other task(10). The service management unit processes the event generated in the sub module. The protocol stack management unit is connected to the service management unit based on the event. The protocol stack management unit manages the protocol related stack. The protocol related stack decodes the SIP protocol for phone connection. The media stack management unit is connected to the service management unit based on the event. The media stack management unit charges the transmission of the media.
Patent KR-20090028090-A (KR)
Title: Optical disk drive
Inventor: TENG HUNG CHI
IPC: G11B7/085
Filed: 2007-09-14
Abstract: An optical disc drive device is provided to improve the signal read-out quality to an optical disc by using a horizontality adjusting device adjusting the angle of the optical disc to the optical pick-up. An optical disc drive device comprises an optical pick-up(11), a spindle motor(21) driving an optical disc, a chassis(31) which is installed on a lever(32), a horizontality adjusting device(41) adjusting the angle of the optical disc on the spindle motor to the optical pick-up, a tray apparatus(51) in which a tray moves in and out of a loading unit(71) by the driving of the motor, an optical disc retainer(61) in which a retainer seat(62) is tightly installed between a first and a second clamping part, and the loading unit in which the parts are mounted.
Patent KR-20090029034-A (KR)
Title: Method for manufacturing trench type transistor
Inventor: OH HEE SUNG
IPC: H01L21/336
Filed: 2007-09-17
Abstract: A manufacturing method of a trench type transistor is provided to prevent damage of a gate oxide film in removing a mask pattern by forming an insulating film on a gate and the gate oxide film before removing the mask pattern used in forming a trench. A mask pattern is formed on a semiconductor substrate(30), and defines a trench for a gate. A trench is formed on the semiconductor substrate with the mask pattern. A gate oxide film(38) and a gate(40a) are formed inside the trench. An insulating film(44a) is formed on a front of the semiconductor substrate including the mask pattern. The insulating film and the mask pattern are removed. The insulating film is a nitride film. The mask pattern is an oxide film. The insulating film is etched by a blanket etching mode.
Patent KR-20090030375-A (KR)
Title: Apparatus for reversing a semiconductor package
Inventor: SHIN KUM SU
IPC: H01L21/02
Filed: 2007-09-20
Abstract: An apparatus for reversing a semiconductor package is provided to improve the efficiency of a process by transferring a semiconductor packages to a next stage in regardless of each operation without delay. A first reversing unit(200) is connected to the first guide rail(202) so that it is movable. A second reversing unit(300) is connected to the second guide rail(302) so that it is movable. A first guide rail is extended according to a first line, and a second guide rail is extended with the first line according to second line parallel to the first line. The first and second guide rails are fixed to the outer frame of a reversing device(100). A semiconductor packages individually cut down through the sawing process are transferred by a picker(150) to the reversing device. A picker is moved to the reversing device according to a third guide rail(102). The first and second reversing unit transfers an overturned to inspect a first and second side of the semiconductor package.
Patent KR-20080031642-A (KR)
Title: Phosphor
Inventor: SAITO HAJIME
IPC: C09K11/70
Filed: 2007-10-02
Abstract: A phosphor is provided to realize improved light-emitting quantum efficiency by intentionally breaking the inversion symmetry of crystal fields to increase the transition strength. A phosphor comprises oxide crystals containing at least a first metal ion and a second metal ion as a base, wherein the first metal ion is at least one metal ion with valence III selected from aluminum, gallium, vanadium, scandium, antimony and indium, the metal ion with valence III is partially substituted with at least one rare earth metal ion with valence III functioning as a light emitting material, and the second metal ion is a metal ion other than metal ions with valence II.
Patent KR-20090037641-A (KR)
Title: Apparatus and method for converting graphic source codes of an application program into scalable vector graphic codes
Inventor: CHOI SEUNG HAN
IPC: G06F9/44
Filed: 2007-10-12
Abstract: An apparatus and a method for automatically converting graphic source code of an application program into scalable vector graphic codes are provided to reduce a time and cost for developing SVG(Scalable Vector Graphic) code for a specific application program and to increase a technical availability about the SVG code. A first token tree generating unit(110) converts into the language construction token corresponding the language construction object of the graphic source code with reference to a first language construction table(140). The first token tree generating unit converts into the graphic token corresponding the graphic object of the graphic source code with reference to the first graphic table(150). The first token tree generating unit produces a first token tree including the transformed language construction token and the graphic token. A second token tree generating unit(130) converts into the language construction token for the SVG code corresponding the language construction token of the first token tree with reference to the syntax token connection table(160). The second token tree generating unit converts into the graphic token for the SVG code corresponding to the graphic token of the first token tree with reference to the graphic token connection table. The second token tree generating unit produces the second token tree including the transformed language construction token and the graphic token. An object conversion unit(120) converts into the language construction object of the SVG code corresponding the language construction token of the second token tree with reference to the second language construction table. The object conversion unit converts into the graphic object of the SVG code corresponding to the graphic token of the second token tree with reference to the second graphic table.
Patent KR-20090041004-A (KR)
Title: Inverter transformer
Inventor: JEE CHOONG SICK
IPC: H01F27/24
Filed: 2007-10-23
Abstract: An inverter transformer is provided to minimize a volume by integrally assembling a first bobbin and a second bobbin. An inverter transformer includes a first bobbin(4), a second bobbin(6), and a mounting plate(14). A terminal pin(2) is respectively arranged in one side of the first bobbin and one side of the second bobbin. A female groove(8) is formed in both ends of an opposite side of the terminal pin. A core mounting hole(10) is respectively formed in a center of the first bobbin and a center of the second bobbin. The mounting plate is made of a thin insulation plate(140). A reinforcing wall body(142) is formed on an edge of both sides of the insulation plate. The insulation plate is positioned between the first bobbin and the second bobbin. A flattening part(144) is formed on a top of the mounting plate. A male protrusion is formed on the flattening part, and is inserted in the female groove. A micro protrusion(148) is formed in both ends of a bottom of the mounting plate.
Patent KR-20090041187-A (KR)
Title: Plasma display device and driving method thereof
Inventor: LIM JAE KWANG
IPC: G09G3/28
Filed: 2007-10-23
Abstract: A plasma display unit and a driving method thereof are provided to improve the picture quality by preventing the delay of the address signal. One frame is divided into a plurality of subfields(SF) and is driven. Each subfield comprises the reset period, the address period, and the sustain period. Among a plurality of sustainer pulses supplied for the sustain period of each subfield, the rising time(tr2) of the last sustain pulse(LS) is set up to be shorter than the rising time(tr1) of the other sustainer pulse. Main reset pulse including the reset rising period and the reset falling period is supplied during the reset period of the first sub-field.
Patent KR-20070114332-A (KR)
Title: Vehicle-mounted electronic apparatus
Inventor: HAMAOKA HIROHUMI
IPC: B60R11/02
Filed: 2007-10-23
Abstract: An anti-theft vehicle-mounted electronic apparatus is provided to allow a user to operate the electric apparatus only when a detachable panel unit is installed to a main body of the electric apparatus. An anti-theft vehicle-mounted electronic apparatus(1) comprises a main body(2) of the electric apparatus and a operating unit(3). First and second recording media are inserted into the main body. The operating unit is detachable to the main body of the electric apparatus. When the operating unit is installed to the main body, the first recording medium is able to be inserted in the main body or ejected out of the main body. When the operating unit is installed to the main body, the second medium is not able to be inserted into the main body or ejected out of the main body. The second recoding medium is able to be inserted and ejected when the operating unit is separated from the main body.
Patent KR-20090041837-A (KR)
Title: Gas bottle cabinet for semiconductor
Inventor: CHA SANG BANG
IPC: H01L21/02
Filed: 2007-10-25
Abstract: A gas bottle cabinet for a semiconductor is provided to drain stagnant water by opening/closing a water drainage hole by flexible open/close tube. A recess part(19) comprises a bending part(19a) and a connection part(19b). The bending part is stepped-bent about a floor board(14). The connection part connects the bending part. A water drainage hole(19c) is penetrated in the bending part. An open/close plate(18) of flexible material is attached on an outer surface of the bending part. If water is collected in the recess part, an open/close tube opens the water drainage hole. If the water is completely drained, the open/close tube closes the water drainage hole.
Patent KR-20080037585-A (KR)
Title: Diffusion plate, direct type backlight device and liquid crystal display device comprising the same
Inventor: SEO JONG CHUL
IPC: G02F1/1335
Filed: 2007-10-25
Abstract: A diffusion plate is provided to prevent luminance from being lowered by controlling a lamp image and enhance luminance and dominant entire-face uniformity by employing a semi-reflective layer. A diffusion plate includes a diffusion base layer(10) and a semi-reflective layer. The diffusion base layer contains a light diffusion agent(11). The semi-reflective layer(20) is formed on an incident face of the diffusion base layer to reflect a portion of light.
Patent KR-20090043692-A (KR)
Inventor: KANG SANG HUN
IPC: B65D43/02
Filed: 2007-10-30
Abstract: 본 발명은 금속용기의 상단부에 형성되는 플랜지에 체결홈을 형성하고, 이러한 체결홈에 플라스틱 사출물을 강제 압입함으로써 플랜지의 강도가 보강되는 금속용기의 플랜지 강도보강구조에 관한 것이다. 
     본 발명은 저장대상물이 내부에 수용되는 본체와, 상기 본체의 상단 테두리를 형성하는 플랜지와, 일측이 상기 플랜지의 형상과 대응되도록 사출성형 되어, 상기 플랜지에 하측에서 압입되는 강도보강수단을 포함하는 구성을 가지며, 상기 플랜지에는 상기 강도보강수단이 압입되어 고정될 수 있도록 하는 탄성걸림부가 더 형성된다. 
     이와 같은 본 발명에 의하면, 강도보강수단에 의해 플랜지의 변형 및 소손이 줄어드는 이점이 있다. 
       
     냉장고, 저장, 김치, 플랜지, 금속용기, 뚜껑
Patent KR-20090045458-A (KR)
Inventor: CHO BYOUNG SUN
IPC: F01P11/08
Filed: 2007-11-02
Abstract: 본 발명은 오일쿨러에 관한 것으로써, 튜브의 중간에 오일의 난류화를 촉진하는 회전수단이 구비된 연결부가 형성되어 열교환효율을 높일 수 있도록 한 오일쿨러에 관한 것이다. 
     본 발명의 오일쿨러는 일정거리 이격되어 구비되는 한 쌍의 입출구 보스부와, 상기 입출구 보스부에 각각 결합되는 입구파이프 및 출구파이프와, 상기 입출구 보스부에 양 단이 결합되어 오일 유로를 형성하는 튜브를 포함하여 이루어진 오일쿨러에 있어서, 상기 오일쿨러는 상기 튜브가 절단되고, 내부가 중공된 함체 형상으로 양측 면에 상기 절단된 튜브의 단부가 삽입되어 상기 튜브를 연결하는 연결부가 형성되며, 상기 연결부 내부에는 오일의 흐름에 의하여 회전하는 회전수단이 구비되는 것을 특징으로 한다. 
     이에 따라, 본 발명의 오일쿨러는 튜브를 절단하고 상기 튜브 사이를 연통하는 연결부 내부에 회전수단을 삽입하여 내부 오일에 의하여 상기 회전수단이 회전됨으로써 오일의 난류화를 유도하고, 상기 오일이 균일하게 배분되도록 하며, 그 흐름을 원활히 함으로써 오일쿨러의 열교환효율을 높일 수 있는 장점이 있다. 
       
     오일쿨러, 오일, 튜브
Patent KR-20090047160-A (KR)
Inventor: KIM KWANG SEOK
IPC: G11B5/02
Filed: 2007-11-07
Abstract: 본 발명은 자구벽 이동을 이용한 정보저장장치 및 그 동작방법에 관한 것이다. 개시된 본 발명의 정보저장장치는 다수의 자구 및 그들 사이의 자구벽을 갖는 자성트랙, 상기 자성트랙의 제1 부분과 이격된 도선을 포함하는 쓰기수단, 상기 자성트랙에 기록된 정보를 읽기 위한 읽기수단, 및 상기 자성트랙에 연결된 전류 인가수단을 포함하고, 상기 도선에 흐르는 전류에 의해 발생되는 자기장에 의해 상기 제1 부분에 정보가 기록된다.
Patent KR-20090048250-A (KR)
Title: 이디엠 필터
Inventor: JEUN BYUNG RYUL
IPC: B01D35/00
Filed: 2007-11-09
Abstract: 본 발명은 와이어 컷 방전가공기에서 사용되는 냉각수를 여과하는 필터에 관한 것으로서, 좀더 상세하게는 종래에는 내,외측에 여과필터(15)(25)를 갖는 내,외부 타공망체(10)(20)를 구비하는 필터 본체(100)의 상,하단에 상,하부 커버(30)(30')를 접착제의 접착에 의해서만 상호 결합구성하기 때문에 필터 본체 내부로 정적 압력 이상의 냉각수가 공급 여과되는 경우 상,하부 커버가 분리 이탈되는 문제를 유발하였는바, 본 발명은 이러한 문제를 해결하고자 발명한 것으로서, 필터 본체(100)의 내 외측과 상,하부 커버(30)(30')의 내 외측으로 컬링 결합하는 컬링 결합부, 볼트 너트로 체결 조립하는 체결 결합부, 용접으로 결합하는 용접 결합부를 복합적으로 구성함으로써 필터 본체(100)와 상,하부 커버(30)(30')와의 조립 결합력을 극대화하여 필터 내부에 적정 압력 이상으로 냉각수가 공급되더라도 필터 본체에 대한 상,하 커버의 견고한 조립 및 결합력의 유지 제공이 가능하도록 하여 종래와 같이 사용중 상,하부 커버가 필터 본체로부터 분리 이탈되는 문제를 확실하게 방지하고자 하는데 그 특징이 있다. 
       
     와이어 컷, 방전가공기, 냉각수, 필터, 컬링 결합부, 체결결합부, 용접결합부
Patent KR-20090050450-A (KR)
Inventor: KIM KYOUNG TAE
IPC: G06K19/07
Filed: 2007-11-15
Abstract: 본 발명은 대용량 스마트 카드에 관한 것이다. 본 발명에 따른 스마트 카드에서 데이터를 관리하는 방법은 터미널로부터 데이터 삽입 요청 신호를 수신하는 삽입 요청 수신 단계; 상기 삽입 요청된 데이터의 특성에 상응하는 기록 매체를 선택하는 기록 매체 선택 단계; 및 상기 선택된 기록 매체에 상기 삽입 요청된 데이터를 저장하는 데이터 저장 단계를 포함하는 것을 특징으로 한다. 따라서, 본 발명에 스마트 카드에 대용량 메모리 및 이를 관리하는 스마트 카드 데이터베이스 관리 시스템을 추가함으로써, 터미널로부터 삽입 요청된 데이터를 해당 데이터의 특성에 상응하는 기록 매체에 저장할 수 있는 장점이 있다. 
       
     USIM, DBMS, SQL, 번역기, ISO-7816, 스마트카드, PIMS, EEPROM
Patent KR-20090050630-A (KR)
Inventor: LEE EUN CHAN
IPC: F04C2/14
Filed: 2007-11-16
Abstract: 본 발명은 자동차의 자동변속기용 파라코이드형 오일 펌프에 관한 것으로서, 내측에 파라코이드형의 제1 기어치가 형성된 드리븐 기어와; 상기 드리븐 기어의 내측에 삽입 설치되어 토크 컨버터의 스테이터를 고정시키는 리액션 샤프트와; 상기 드리븐 기어와 상기 리액션 샤프트 사이에 마련되며, 상기 드리븐 기어의 제1 기어치와 일측이 치합되는 제2 기어치가 형성된 드라이브 기어 몸체와, 상기 드라이브 기어 몸체의 내측면으로부터 상기 리액션 샤프트를 향해 최대한 연장되어 상기 드라이브 기어 몸체와 상기 리액션 샤프트의 유격을 최소화하는 키로 구성된 드라이브 기어를 포함하는 것을 특징으로 한다. 
     이에 의하여, 토크 컨버터의 슬리브를 드라이브 기어에 조립할 때 드라이브 기어가 자유 회전되지 않으므로, 조립성이 향상될 뿐만 아니라 소음이 저감될 수 있다.
Patent KR-20090051916-A (KR)
Inventor: KIM TAE WAN
IPC: H01L21/3065
Filed: 2007-11-20
Abstract: 본 발명은 대기압 플라즈마를 이용한 표면처리장치에 관한 것으로서, 구성요소의 분해 및 조립이 용이한 조립식으로 구성하여 전극의 교체와 같은 유지보수가 용이하고, 착탈이 용이한 스페이서의 두께 조절을 통해 상부전극과 하부전극 사이의 간격 조절이 용이하며, 상기 상부전극 및 하부전극을 직·간접적으로 냉각시킬 수 있는 쿨링시스템을 통해 상기 상부전극 및 하부전극에서 발생되는 열을 효율적으로 냉각시킴으로써 열화에 따른 손상을 방지할 수 있고, 상기 상부전극 및 하부전극에서 발생될 수 있는 아킹(arching) 현상을 최소화할 수 있는 대기압 플라즈마를 이용한 표면처리장치 및 이 장치에 사용되는 하부전극조립체의 제조방법을 제공한다. 
       
     대기압, 플라즈마, 표면처리, 아킹(arching), 냉각
Patent KR-20090052171-A (KR)
Inventor: LEE KANG HUN
IPC: H04R25/00
Filed: 2007-11-20
Abstract: 본 발명은 골전도 스피커에 관한 것으로, 특히 머리뼈에 진동자의 진동을 통하여 청각신경을 자극하여 음성신호를 인식할 수 있도록 한 골전도 스피커에 관한 것이다. 
     본 발명은 몸체 하부에 무게가 상대적으로 무거운 요크와 마그네트를 배치하고, 무게가 상대적으로 가벼운 보이스코일, 하부 진동판, 진동스프링 및 상부 진동판을 차례로 몸체의 상부에 배치되고, 상기 보이스코일에서 하부 진동판, 진동스프링 및 상부 진동판으로 진동이 순차적으로 전달되는 구조로 되어 있다. 따라서, 스피커의 진동효율을 향상시킴으로써 사용자에게 정확한 음성 신호를 전달할 수 있게 된다. 
       
     스피커, 보이스코일, 진동판, 마그네트
Patent KR-20090056195-A (KR)
Title: Forging steel using high frequency heat treatment and method for manufacturing the same
Inventor: KIM HYUK
IPC: C22C38/00
Filed: 2007-11-30
Abstract: Cold forged steel and a method for manufacturing the same are provided to improve cold forging property by spheroidizing carbide at the same time as fine-graining a matrix structure. A method for manufacturing cold forged steel comprises a step of performing quenching by heating a material at 950°C for several seconds, a step of high-temperature tempering the material at 700°C for several seconds after water cooling, and a step of performing cold forging after water cooling. The material is composed mainly of iron(Fe), and contains carbon(C) 0.20~0.30 weight%, silicon(Si) 0.40~0.60 weight%, manganese(Mn) 1.00~1.60 weight%, phosphorus(P) 0.030 weight% or less, sulfur(S) 0.010~0.050 weight% or less, aluminum(Al) 0.005~0.050 weight%, chrome(Cr) 0.10~0.15 weight%, titanium(Ti) 0.005~0.050 weight%, copper(Cu) 0.20~0.30 weight%, boron(B) 0.0005~0.0050 weight%, and calcium(Ca) 0.0005~0.0020 weight%.
Patent KR-20090056569-A (KR)
Title: Memory cell using electromigration effect
Inventor: JOO YOUNG CHANG
IPC: H01L21/8247
Filed: 2007-11-30
Abstract: A memory cell using electromigration effect is provided to realize high area efficiency in producing a nonvolatile memory by using the difference of the current density flowing electromigration material and controlling it easily. A memory unit(100) is made of material in which an electromigration effect is generated. A first and a second electrode(120,130) are connected to both ends of the memory unit in order to supply a voltage to the memory unit. A third electrode(140) is connected to the middle part of the memory unit in order to sense resistance variation of the memory unit. A first access transistor(110a) is connected to the first electrode, and a second access transistor(110b) is connected to the second electrode.