baber/WOPTO huggingface dataset:
Patent KR-19990013818-A (KR)
Title: 동 및 동합금의 표면처리 방법
IPC: B32B15/08
Filed: 1998-07-13
Abstract: 높은 유리전이온도를 갖으나 동 표면에 친화력은 낮은 수지로 우수한 부착 강도를 갖는 동 표면을 접착시키는 방법. 이 방법은 최소 0.05중량%의 아미노테트라졸 또는 아미노테트라졸 유도체를 함유한 수용액, 또는 최소 0.05중량%의 아미노테트라졸 또는 아미노테트라졸 유도체 및 최소 0.1중량%의 아미노트리아졸 또는 아미노트리아졸 유도체를 함유하는 수용액으로 동 표면을 코팅하는 것이다.
Patent KR-19990013959-A (KR)
Title: 신호 입력 회로
IPC: H03K5/08
Filed: 1998-07-16
Abstract: 칩 면적이 작고 회로 특성이 안정된 신호 처리 장치를 제공한다. 
     바이어스 회로는 입력 회로를 구성하는 CMOS 인버터와 동일 소자로 구성한다.  여기에서 신호 입력 회로가 제조 공정, 외부 요인 등의 영향을 받아도 바이어스 회로로부터 출력되며 교류 입력 신호 Vin이 중첩하는 직류 전압 V1과 입력 회로의 임계치 전압 VIH, VIL과는 동등하게 변동, 안정된 회로 특성을 얻을 수 있다.  또한, 제1 및 제2 제어 신호에서 NMOS 트랜지스터(17, 23)를 적절하게 온 오프 제어함으로써 바이어스 회로 및 입력 회로의 관통 전류를 정지시켜서 소비 전류를 저감할 수 있다.  또한, 입력 회로의 동작이 정지해도 입력 회로의 출력은 래치 회로(18)로 유지되며 주변 회로의 오동작을 방지할 수 있다.
Patent KR-20000010420-A (KR)
Title: Video free amp including osd circuit
Inventor: LEE JU HYUNG
IPC: H04N5/445
Filed: 1998-07-31
Abstract: PURPOSE: A video free amp including OSD circuit is provided to restrain the occurrence of signal distortion by preventing the delay of signal transmission between the composition circuit. CONSTITUTION: The video free amp including OSD circuit comprises a clamp circuit (110) which determines the standard of the black level of the input video signal; an interface circuit(160) which receives the control signal of the micro computer; a D/A transistor which transfers the control signal of the micro computer into analog signal and outputs it; a contrast part which controls the amount of amplification of the video signal by applying the output signal of the D/A transistor(170); an OSD circuit(180) which outputs the OSD signal as it is offered the control signal of the micro computer through the interface circuit; an OSD compounding part which compounds the OSD signal which is offered from the amplified video signal and an amplification part which amplifies the output signal of the OSD compounding part(130).
Patent KR-20000012850-A (KR)
Title: Method for etching of semiconductor device
Inventor: YOO MYEONG JONG
IPC: H01L21/3065
Filed: 1998-08-01
Abstract: PURPOSE: A method for etching of semiconductor device is provided to improve effect of etching using an electron cyclotron resonance. CONSTITUTION: A predetermined thin film is etched using a main etching gas by a mixture of gases consists of a chlorine gas(Cl2), oxygen gas(O2), and hexafluorized sulfur gas(SF6). The main etching gas is added a hydride bromine gas(HBr). In the etching process, a bottom power supplied to a lower electrode of a chamber is 30 ¯ 210W. In the etching process, a current flows via a magnetic coil is 0 ¯ 30A.
Patent KR-20000012943-A (KR)
Title: Data output buffer in synchronous semiconductor memory device
Inventor: LEE YUN SANG
IPC: G11C7/00
Filed: 1998-08-03
Abstract: PURPOSE: A data output buffer of a synchronous semiconductor memory device is provided to output normal data even in a high frequency operation. CONSTITUTION: The synchronous semiconductor memory device comprises: a cell array for storing data; a data output buffer element for outputting data read from the cell array to the exterior in response to a data output buffer control signal; and a data output buffer control circuit for outputting the data output buffer control signal in response to a first and a second control signals and a latency signal.
Patent KR-20000019056-A (KR)
Title: Screen holder of accumulator for compressor
Inventor: KIM WAN SU
IPC: F04C2/00
Filed: 1998-09-08
Abstract: PURPOSE: An accumulator for a compressor is provided to reduce the vibration and noise of the compressor by reducing the pulsation flow on absorbing. CONSTITUTION: An accumulator(101) is installed with the steps of: making up the outer appearance with an upper cap(103), a lower cap(104), and a body(105) for deciding the capacity of the accumulator; installing a filter(106) for preventing the inflow of a foreign matter including cooling gas flowed into the main body; installing a screen holder forming with a projection unit(111) for regulating the flow direction of the cooling gas on the back of the filter so the cooling gas as not to directly flow in the compressor; and installing a refrigerant inflow hole(107a) out of the concentric circle of an L-tube(102) to prevent a liquid refrigerant flowed in from the upper pipe(109) from directly flowing in the L-tube. Therefore, the vibrations and the noises of compressor are reduced by reducing pulsation flow while inletting.
Patent KR-20000020449-A (KR)
Title: Manufacturing method for tensile strength of 58kgf/millimeter square grade steel with improved high temperature strength properties for being used as construction material
Inventor: YOU JANG YONG
IPC: C21D8/02
Filed: 1998-09-21
Abstract: PURPOSE: A manufacturing method for a refractory steel having a tensile strength of 58kg/mm square grade, with an improved properties at high temperature being used as a construction material is provided which satisfies a certain level of properties at room temperature and high temperature, even when the cooling rate is lower than 16°C/sec, and makes possible to produce a refractory steel in economical and practical manner. CONSTITUTION: A method comprises: heating a steel slab to the range of 1150-1300°C, wherein the steel slab is comprised of C: 0.05-0.15wt.%, Si: 0.55wt.% or less, Mn: 1.0wt.% or less, Cr: 0.70wt.% or less, Mo: 0.3-0.9wt.%, P: 0.03wt% or less, S: 0.025wt.% or less, Sol. Al: 0.01-0.06wt%, and Fe and other unintentionally included impurities: balance, and optionally is comprised of Nb: 0.01-0.06wt.% or V: 0.03-0.10wt.% and the combination thereof by addition; completing a rolling process at 700-790°C, that is 2-phase zone of Austensite/Ferrite; doing water cooling by carrying out accelerated cooling at a rate of 8°C/second to the temperature range of 500-650°C and; then processing air cooling. By applying an accelerated cooling process in low rate, it is possible to enlarge the practicability of steel in economical way, as well as improve the room temperature and high temperature properties. Thus produced refractory steel of high strength-high toughness has a tensile strength of 58kg/mm square grade particularly, a yield strength of 6kgf/millimeter square or more at room temperature and of 9kgf/millimeter square or more at 600°C and may be beneficially used in construction industry.
Patent KR-19990036703-A (KR)
Title: 압전 부품
IPC: H03H9/10
Filed: 1998-09-29
Abstract: 본 발명의 압전 부품은 압전 공진자가 이들 사이에 놓여진 지지부재에 실장되어 있는 기판을 포함한다.  이러한 기판은 압전 기판을 덮도록 배치되는 소정의 캡에 의해 덮여진다.  실리콘 수지 등의 고무와 유사한 탄성 재료가 캡의 홀을 통해서 주입되어 압전 공진자의 주위를 덮는다.  특히, 고무와 유사한 탄성 재료의 영률은 약 12㎏f/㎠보다 크지 않다.  본 발명은 Qm을 정밀하게 조정할 수 있고, 보다 소형화된 압전 부품을 제공한다.
Patent KR-20000024911-A (KR)
Title: Method for forming field oxide film of semiconductor device
Inventor: JEON SEUNG JOON
IPC: H01L21/76
Filed: 1998-10-02
Abstract: PURPOSE: A method for forming a field oxide film of a semiconductor device is provided to remove a defect formed on a field oxide by a thermal process growing a field oxide film. CONSTITUTION: A method for forming a field oxide film of a semiconductor device comprises the steps of: forming a contact hole on a pad oxide film and a nitride film by masking-etching with a photoresist having a contact part after stacking the pad oxide film and the nitride film on a semiconductor substrate; (S10) loading a wafer where the above structure is formed at the same temperature as the deposition temperature of the nitride film; (S20) performing an annealing with the same temperature as the deposition temperature of the nitride film; (S30) stacking an initial oxide film at the same temperature as the deposition temperature of the nitride film; (S50) growing a field oxide after increasing the temperature of the wafer; and (S70) unloading the wafer after decreasing the temperature of the wafer. Based upon the method, a defect in the field oxide is removed by proceeding the successive process which stacks the intial oxide film with the same temperature as the deposition temperature of the nitride film after removing stress applied to the wafer.
Patent KR-20000024929-A (KR)
Title: Hot wall epitaxy(evaporation) having many substrate holders
Inventor: KIM YONG MIN
IPC: H01L21/20
Filed: 1998-10-02
Abstract: PURPOSE: A hot wall epitaxy(evaporation) performs many evaporation processes at the same time, increases the number of substrate holders, enhances a production quantity per a unit time, and produces many thin films of good quality. CONSTITUTION: A hot wall epitaxy device includes a substrate holder(210), and a hot wall part(110). The substrate holders(210) are many holders which can be simultaneously inserted into many processes. A holder moving part moves the many holders according to a process sequence. A heat sink(230) is positioned between the many holders and the hot wall, thereby cutting off a radiation heat. The hot wall part(110) accommodates a substrate and evaporation material therein, and performs evaporation. The holder moving part has many holder maintenance arms for maintaining at least one holder. Thereby, a pre process, evaporation process using a hot wall evaporation, and a postprocess are performed at the same time, a time loss is largely reduced, and a production yield increases.
Patent KR-19990044951-A (KR)
Title: 대류 건조에 의한 비결정성 생성물의 제조 방법
IPC: F26B3/12
Filed: 1998-11-02
Abstract: 본 발명은 생물학적 활성 물질 특히 치료학적 활성 물질, 및 대류 건조에 의한 안정화용 물질 혼합물을 함유하는 건조된 비결정성 생성물의 제조를 위한 빠르고 쉬운 재생성 방법에 관한 것이다.  본 발명은 또한 상기 방법에 의해 수득되고 분말형이고 균일한 기하 형태, 특히 구형을 갖는 비결정성, 미시적으로 균질한 생성물에 관한 것이다.  본 발명은 또한 생물학적 활성 물질, 특히 단백질을 분무 건조에 의해 안정화시키는 물질 혼합물의 용도에 관한 것이다.
Patent KR-20000031845-A (KR)
Title: Inter processor communication signal analyzing apparatus
Inventor: YOO YEONG MIN
IPC: H04Q1/20
Filed: 1998-11-10
Abstract: PURPOSE: An inter processor communication signal analyzing apparatus is to easily analyze a data transmitted by a processor and confirm an error-generated CI, thereby simplifying maintenance and repairing of the apparatus. CONSTITUTION: An analyzing apparatus comprises a signal analyzing unit established between a processor and an IPCU(inter processor communication unit), for performing an IPC path test and examining whether a data is normal; and a computer connected to the IPCU, for monitoring an inter processor communication data. The signal analyzing unit comprises: a storing and examining part(50) for examining an error of a data and storing the data; a port selection part(60) for selecting an input/output port; an address comparing part(70) for transmitting the data to a target place after receiving the data from the storing and examining part and confirming a port selected by the selection part; and a message generator(80) for outputting an imaginary image data and testing the IPCU and the processor.
Patent KR-20000032708-A (KR)
Title: Voltage controlling apparatus of car alternator
Inventor: HWANG TAE SOO
IPC: H02P9/42
Filed: 1998-11-17
Abstract: PURPOSE: A voltage controlling apparatus of a car alternator which can be used adaptively in the temperature gradient characteristics of an electrical load of a car. CONSTITUTION: A voltage controlling apparatus(16) comprises: an alternator(10) generating a voltage by a rotation force of an engine; a power switch(20) to switch a current path of the alternator; a reference voltage generator generating a reference voltage; a temperature grader varying the reference voltage according to the temperature; a comparator comparing an output voltage of the alternator with the reference voltage; and a switch controller controlling the switching operation of the power switch according to the comparison result by the comparator. The comparator comprises a transistor making the comparison result be supplied to the switch controller in response to a voltage of a first port of the alternator, and the reference voltage generator has at least more than one voltage regulators which determines the turn-on of the transistor, being connected between the transistor and the switch controller.
Patent KR-20000033011-A (KR)
Title: Improved purification method of serine protease of hepatitis c virus
Inventor: JANG HO JIN
IPC: C07K1/00
Filed: 1998-11-19
Abstract: PURPOSE: A purification method of protease from hepatitis C virus (HCV) is provided which results high yields and purity of purified protease and saves times for the process of purification. CONSTITUTION: Supernatant of disintegrated E. coli cells expressing nonstructural protein 3 of Korean type HCV is applied to CM-Sepharose column chromatography. Protein is eluted with NaCl gradient. Eluted protein is pooled and fractionated with 30-50% of ammonium sulfate. Fractionated protein precipitate is dissolved in 1M ammonium sulfate, 20mM Tris, 20% of glycerol, 1mM DTT, and 0.1% of beta OG solution and applied to phenyl-Sepharose column and eluted with ammonium sulfate gradient. The final yield of protease is 4mg/ml and purity of protease is 97% based on size exclusion chromatography of HPLC. The improved purification method is more efficient than another purification method.
Patent KR-20000034236-A (KR)
Title: Reading data transmission method in hand terminal
Inventor: YOON SEOK MO
IPC: G08C17/02
Filed: 1998-11-28
Abstract: PURPOSE: A reading data transmission method in a hand terminal is provided to transmit the reading data from the hand terminal to the connected host computer through RS-232C cable. CONSTITUTION: A transmission method comprises the steps of: checking up the existence of the reading data in a hand terminal with the transmitting demand to the host computer by the hand terminal user; sending the response requesting signal to the host computer in the existence of the reading data; transmitting all the reading data to the host computer according to the response signal from the host computer; analyzing and checking up the normal receiving condition; clearing the area of the reading data storage in the hand terminal; printing the indication of communication complete; returning to the menu selection mode; analyzing the result of the received condition data; and returning to the communication error display mode in the abnormal receiving condition. Therefore, the transmission method enables the reading data to be transmitted to the host computer through the hand terminal and protects the data loss.
Patent KR-19990062744-A (KR)
Title: 수지봉지장치
IPC: H01L23/00
Filed: 1998-12-02
Abstract: 본 발명은 장치중량을 경감하고, 또한 상하이동부의 경량화에 따른 상하이동의 고속화를 행하여 생산성을 향상시키는 것으로서, 상, 하 금형(1, 2)의 한쪽을 상하이동시켜 형 체결하는 더블토글기구(60)와, 상부열반(熱盤)(3)을 지지하는 테이블(31)과, 하부열반(4)을 지지하는 테이블(36)과, 더블토글기구의 일단과 연결되는 테이블(32)으로 이루어지고, 테이블내 2개가 타이 바(tie-bar)(33)에 의해 상하로 대향상태로 배치 고정되며, 나머지 테이블이 상기 대향 배치된 2개의 테이블사이에 존재하는 수지봉지(封止)장치로, 더블토글기구(60)의 토글 링크 회동방향을 상기 상, 하 금형(2) 및 플랜져 박스(7)의 탈착방향과 동 방향으로 구성했다.
Patent KR-19990024090-A (KR)
Title: 가스증폭플라즈마 고온열분해 소각방법 및 그 시스템
IPC: F23G5/027
Filed: 1998-12-02
Abstract: 본  발명은  가스증폭  플라즈마의  고온  열분해  작용에  의한  쓰레기  소각방법  및  그  시스템에  관한  것이다.  본  발명에  따른  가스증폭플라즈마  고온열분해  소각시스템은  일정량의  폐기물을  이송  및  수용하여  유도관을  통해  배출하는  투입부와,  밀폐공간  내부에  유입된  정량의  폐기물을  고온의  가스증폭  플라즈마에  의해  열분해  소각하는  열분해소각로와,  상기  열분해소각로와  분리된  별도의  밀폐공간  내부로  상기  열분해소각로  내에서의  1차  열분해시  생성된  분해가스를  흡입하여  이를  고온의  가스증폭  플라즈마에  의해  재차  열분해하는  반응로와,  냉각수가  순환되는  관로를  포함하는  밀폐공간부에  반응로로부터  배출되는  고온의  2차  분해가스를  유입하여  소정온도로  급냉시킬  수  있도록  된  열교환기  및  상기  열교환기를  거쳐  급냉된  분해가스를  강제  급속토출시켜  분사세정수와  반응시킴으로써  배출되는  분해가스를  최종  여과할  수  있도록  된  세정탑을  포함하여  이루어짐을  특징으로  한다. 
     따라서,  시스템의  급속고온  가동이  가능하여  폐기물을  완전  소각처리하는데  소요되는  시간을  현저히  단축시킬  수  있고,  대기중으로  배출되는  배기가스량이  현저히  감소되어  대기오염을  최소화할  수  있는  유용한  효과가  있다.
Patent KR-20000039213-A (KR)
Title: Temperature compensating apparatus and method of amplifier output level
Inventor: PARK DEOK NAM
IPC: H03F1/30
Filed: 1998-12-11
Abstract: PURPOSE: A temperature compensating apparatus and a method of amplifier output level are provided which precisely controlling an output change according to a temperature change. CONSTITUTION: In a temperature compensating apparatus, a plurality of temperature measuring sensors(100)(110) increases precision of a temperature measurement. A microprocessor(120) measures a current temperature from temperature measuring sensors(100)(110). A temperature compensating memory(130) stores a temperature compensating data and transmits it to microprocessor(120). A digital to analog converter(140) generates an analog signal controlled by microprocessor(120). A control signal generator circuit(150) receives an output of digital to analog converter(140) and generates a signal for controlling an amplifying rate.
Patent KR-19990030375-A (KR)
Title: 회절격자의 제조방법
IPC: G02B5/18
Filed: 1998-12-15
Abstract: 본 발명은 회절격자 제조방법에 관한 것으로, 반도체 리소그래피 기술을 이용하여 광 픽업에 사용하고 있는 회절격자의 제조방법에 관한 것이다. 본 발명은 SOG(spin on glass) 용액을 유리기판에 스핀코팅 방법으로 균일하게 도포한 후 열처리하여 실리콘 산화막을 손쉽게 형성하여 회절격자를 제작할 수 있다. 또한, 본 발명은 열처리 조건에 따라 유리기판과 실리콘 산화막과의 고 식각비를 손쉽게 얻을 수 있어 유리기판의 식각 없이 회절격자 제작이 가능하고, 고가의 스퍼터링 장비를 사용하지 않으므로 고품질의 제품을 저가에 제작할 수 있으며, 다층의 실리콘 산화막 도포가 가능하여 한번의 습식식각으로 계단형 구조의 패턴을 손쉽게 형성할수 있다.
Patent KR-20000040187-A (KR)
Title: Apparatus for measuring reservoir level of liquid reservoired in container
Inventor: UM YUN SEOB
IPC: G03G15/10
Filed: 1998-12-17
Abstract: PURPOSE: An apparatus for measuring a reservoir level of liquid is provided to reduce reservoir level measurement errors by suppressing the adhering of a developing solution at a transparent portion of an outlet tube. CONSTITUTION: One ends of one or more outlet tubes(51, 52, 53) communicates with a container(42) at a certain height of a vertically upward direction from the bottom of the container(42) and the other ends of the outlet tubes(51, 52, 53) are extended to in a horizontal direction. At least a portion of the outlet tubes(51, 52, 53) are transparent. Light sources(61, 62, 63) irradiate light with respect to the transparent portions. Light detectors(71, 72, 73) detect reflected or penetrated light from or into the transparent portions. A reservoir level measuring part(80) measures a reservoir level of liquid.
Patent KR-20000040827-A (KR)
Title: Numerically controlled oscillator
Inventor: CHOI CHANG HO
IPC: H03B21/00
Filed: 1998-12-19
Abstract: PURPOSE: A numerically controlled oscillator is provided to solve the problem that cosine and sine values should be respectively stored and reduce the size. CONSTITUTION: A numerically controlled oscillator comprises a cosine delayer(800), a sine delayer(900), first to forth multipliers(100,200,600,700), a first subtracter(300), a first adder(400) and a standardization unit(500). The delayers(800,900) receive and delay feedback signals to generate delayed cosine and sine delay signals, respectively. The first multipliers(100,200) receive error signals and the cosine and sine delay signals to multiply them and generate first and second multiply signals, respectively. The subtracter subtracts the second multiply signal from the cosine delay signal. The adder adds the sine delay signal and the first multiply signal.
Patent KR-20000041693-A (KR)
Title: Apparatus for combining escutcheon of car audio control panel
Inventor: KIM SEUNG SEOP
IPC: G11B33/02
Filed: 1998-12-23
Abstract: PURPOSE: An apparatus for combining an escutcheon of a car audio control panel is provided to improve assembly productivity of a car audio and, simultaneously, more conveniently use the car audio. CONSTITUTION: An apparatus for combining an escutcheon of a car audio control panel includes a control panel(30), an operating button(40), a guide rib(50), and a locking bar(60). The control panel consists of a front cap(10) which a button groove(12) is formed to the front surface and a back cover(20) in which a guiding part(22) is formed with a concave type, and a protruding groove(24) is formed in the central of the guiding part. The back cover is combined to back side of the front cap. The back ending part of the operating button is taken out through the protruding part of the guiding part of the back cover. A guiding groove(52) depressing in the backside is formed on one side in the inside of an escutcheon(56) as one body and a protrusion(54) is formed in the front of the guide rib. A fixing part(66) is respectively formed in the front and the rear of the locking bar. The locking bar is formed to the back ending part of the operating bar as one body.
Patent KR-20000041723-A (KR)
Title: Funnel of color cathode ray tube
Inventor: BAE SUNG RYONG
IPC: H01J29/00
Filed: 1998-12-23
Abstract: PURPOSE: A funnel of a color cathode ray tube is provided which can reduce the power consumption of a deflection yoke by reducing the distance between the deflection yoke and a deflection center of an electron beam. CONSTITUTION: A funnel of a color cathode ray tube includes a neck part(31), a first cone part(32a) where a deflection yoke is installed, being prolonged to one side of the neck part, and a second cone part(32b) which faces with a panel, being extended from the first cone part. Both sides of the neck part are perpendicular to each other, and the upper and lower surface of the neck part are curved. According to the cathode ray tube having the above funnel, an image is formed because electron beams emitted from an electron gun are deflected by the deflection yoke and are landed on a fluorescent film.
Patent KR-20000042366-A (KR)
Title: Method for linking between electronic data interchange messaging system and interpersonal messaging system
Inventor: LEE SEUNG JAE
IPC: H04L12/58
Filed: 1998-12-24
Abstract: PURPOSE: A method for linking between an electronic data interchange messaging system(EDIMS) and an interpersonal messaging system(IPMS), is provided to perform an optimized protocol converting, by comparing a target contents type to be converted with a contents type of an original protocol data unit(PDU), in an internal of a message transmission processor, so that a user can exchange document a different network user without doubly registering at a network. CONSTITUTION: A method for linking between an electronic data interchange messaging system(EDIMS) and an interpersonal messaging system(IPMS), in an electronic data interchange(EDI) system, comprises the steps of: reading information related to path set-up(a first step); deciding a target contents type to be converted in the path set-up step(a second step); deciding whether the target contents type to be converted is equal to a contents type of an original protocol data unit(PDU)(a third step); converting the contents type of the original PDU into the target contents type and transmits transmission modules by making the modules differentiated according as whether an equal subscriber network, if not equal as a result of the third step(a fourth step); and performing the transmission process of the fourth step without passing the converting process of the fourth step, if equal as a result of the third step(a fifth step).
Patent KR-19990063456-A (KR)
Title: 기록 매체 카트리지의 오삽입을 방지하기 위한 구조
IPC: G11B17/02
Filed: 1998-12-24
Abstract: 디스크 카트리지의 오삽입을 방지하기 위한 구조는 상위 드라이브의 오삽입 방지 부재와의 접촉을 위해 제1 포맷의 디스크 카트리지의 셸의 전방 단부면의 한 측면에 형성된 경사면과, 오삽입 방지 부재와의 결합을 위해 경사면에 대응하는 위치에서 제2 포맷의 디스크 카트리지의 셸 내에 형성된 홈과, 제2 포맷의 디스크 카트리지와 동일 방식으로 제3 포맷의 디스크 카트리지의 셸 내에 형성된 홈을 포함한다.  상위 드라이브의 카트리지 홀더에 배치된 오삽입 방지 부재는 카트리지 홀더 미끄럼판의 트리거 레버의 로킹을 해제하는 위치 까지 제1 포맷의 디스크 카트리지의 삽입을 허용하지 않도록 경사면과 접촉한다.
Patent KR-20000042628-A (KR)
Title: Ipm(intelligent power module) apparatus
Inventor: LEE CHEOL WOONG
IPC: H02H7/12
Filed: 1998-12-26
Abstract: PURPOSE: An IPM(Intelligent Power Module) apparatus is provided to enhance the efficiency and improve the internal heat radiation with the reduction of a switching loss of a power device by resetting an overcurrent detecting unit when an overcurrent flows. CONSTITUTION: A latch(70) inputs and latches the outputs of a short circuit detector(40), a driving voltage abnormality detector(50), and a temperature detector(60). A gate driver(20) inputs a gate driving voltage and applies a gate driving control signal to a switching device of a power device(10) based on the output signals of the overcurrent detector(30) and the latch(70). A transistor(TR) is controlled with an input of the output signal of the latch(70). A latch(100) latches the output signal of the overcurrent detector(30). A modulator(200) outputs input of the gate driving voltage to the latch(100).