baber/WOPTO huggingface dataset:
Patent KR-20040055325-A (KR)
Title: The method for inputting calcium into melting steel in manufacturing steel
Inventor: JANG GWANG IL
IPC: C21C7/00
Filed: 2002-12-20
Abstract: PURPOSE: A method for feeding calcium into molten steel during manufacturing of steel is provided which increases actual yield of calcium in molten steel during continuous casting and substantially reduces amount of inclusions in molten steel and prevents inclusions from adhering to submerged entry nozzle to prevent clogging of the nozzle. CONSTITUTION: In a method for feeding calcium into molten steel(3) containing 0.04 to 0.60 wt.% of carbon (C), 0.005 to 0.060 wt.% of aluminum (Al), 1.0 to 2.0 wt.% of manganese (Mn), 5 to 50 ppm of calcium (Ca) and a balance of Fe and other impurities, the method comprises a step of performing first ladle bottom blowing using a ladle bottom blowing nozzle(1) as forming naked molten metal; a step of feeding calcium into molten steel; and a step of performing second ladle bottom blowing using the ladle bottom blowing nozzle, and feeding flux into a part of the naked molten metal, wherein size of the naked molten metal is 100 to 200 mm, and wherein the flux is one or more selected from calcium oxide (CaO), ladle slag (LSA)(4), fluorite (CaF2), alumina (Al2O3) and B-flux.
Patent KR-20040057206-A (KR)
Title: Water removing apparatus of ultrasonic flaw detected strip
Inventor: CHOI SANG RAK
IPC: B08B1/00
Filed: 2002-12-26
Abstract: PURPOSE: A water removing device for an ultrasonic flaw detected strip is provided to effectively remove water from the top and bottom of the strip by moving upper and lower wipers up and down according to the thickness of the strip. CONSTITUTION: An upper wiper(10) is made of rubber, and moves up and down on the top of a strip(S). An upper wiper moving unit moves the upper wiper up and down according to the thickness of the strip. A lower wiper(20) is made of rubber, and moves up and down on the bottom of the strip. A lower wiper moving unit moves the lower wiper up and down.
Patent KR-20030013357-A (KR)
Inventor: JUNG BANG GYOON
IPC: B01D35/157
Filed: 2002-12-26
Abstract: PURPOSE: An automatic back wash water valve is provided to solve problems related to the accumulation of foreign matter (impurities) at filter of water dispenser, proliferation of bacteria caused by impurities and inconveniences of clogged filter and its replacement. The automatic back wash water valve enables the filter(70) to be used semi-permanently without replacement. CONSTITUTION: In a back wash water valve(100), it is composed of a body(110) for connecting (screw and flange) a plurality of pipes (copper pipe and hose), a direction control valve(200), sealing covers(400,500) and a transmission gear(300) for rotating the direction control valve(200), and by rotating the direction control valve(200) driven by the transmission gear(300), communications are made between a raw water inlet(1) and a primary filter inlet(2).
Patent KR-20040057811-A (KR)
Title: Liquid crystal display and method for driving the same
Inventor: KIM GEON TAE
IPC: G09G3/36
Filed: 2002-12-26
Abstract: PURPOSE: A liquid crystal display device and a method for driving the same are provided to improve the display quality since the flicker is reduced by suppressing the change of the parasitic capacitance of the thin film transistor(TFT) in the liquid crystal cells. CONSTITUTION: A liquid crystal display device includes a liquid crystal panel(84), a pair of driving circuits(82,83) and an output control circuit(85). The liquid crystal panel(84) is provided with a first group of liquid crystal cells applied thereto a positive voltage and a second group of liquid crystal cells applied thereto a negative voltage. The pair of driving circuits(82,83) connected to the signal lines of the liquid crystal panel(84) supply the driving signals to the liquid crystal panel(84). And, the output control circuit(85) differently controls the outputs of the driving signals according to the groups of liquid crystal cells.
Patent KR-20040059034-A (KR)
Title: Anti-irritating cosmetic composition
Inventor: CHO WAN GU
IPC: A61K8/97
Filed: 2002-12-27
Abstract: PURPOSE: Provided is an emulsion composition for cosmetics having anti-irritants property. It has phase stability even without containing emulsifier, and hardly causes irritation on the skin. CONSTITUTION: An emulsion composition for cosmetics having anti-irritant property is characterized by containing polyacrylamide based compound, hydroxypropylcyclodextrin and rye extract in a weight ratio of 0.1-1.0:0.1-3.0:0.1-5.0. The polyacrylamide based compound is selected from sodium polyacrylate, potassium polyacrylate, C10-30 alkylacrylate, carboxyvinylpolymer and their mixture, the hydroxypropylcyclodextrin is represented by the formula(1) of (C42H70-nO35)(C3H7O)n, wherein n is 1-7, and the rye extract is obtained by extracting rye seeds with hot water.
Patent KR-20040059466-A (KR)
Title: Method for forming gap fill of metal line for semiconductor
Inventor: LEE JAE SEOK
IPC: H01L21/31
Filed: 2002-12-30
Abstract: PURPOSE: A gap-filling method for a metal line in semiconductor device is provided to reduce permittivity, to improve RC-delay property and to sustain a desired mechanical intensity by forming artificially voids between metal lines using a PECVD(Plasma Enhanced Chemical Vapor Deposition) for an IMD(InterMetal Dielectric). CONSTITUTION: A plurality of metal lines are formed on a semiconductor substrate(102). An HDP(High Density Plasma) oxide layer(108) is formed along an upper surface of the semiconductor substrate. The HDP oxide layer is selectively etched for remaining at sidewalls of each metal line. An IMD(110) with voids(112) is formed between the metal lines by using a PECVD.
Patent KR-20040060138-A (KR)
Title: Method for Forming Polysilicon Plug of Semiconductor Device
Inventor: JUNG JONG GU
IPC: H01L21/304
Filed: 2002-12-30
Abstract: PURPOSE: A slurry composition for CMP(Chemical Mechanical Polishing) and a method for forming a poly plug of a semiconductor device using the same are provided to prevent Pinocchio defect and loss of a hard mask by using the slurry containing an anionic compound. CONSTITUTION: A composite slurry composition includes an anionic compound, an abrasive and a water. The anionic compound is one selected from group consisting of lauric acid, oleic acid, stearic acid, sodium stearate, sodium lauric sulfate, sodium lauryl ether sulfate, ammonium lauryl sulfate, triethanol ammonium lauryl sulfate, sodoum octyl sulfate, dodecyl benzene sulfonic acid, sodium dodecyl benzene sulfonate, lauryl ether phosphate, and dimethyl laurylamine.
Patent KR-20030064269-A (KR)
IPC: H05K1/11
Filed: 2002-12-30
Abstract: 관통 구멍 내벽의 표면 조도를 크게 하지 않고 비어 전극의 결락을 방지하는 동시에, 기판에 발생하는 응력을 완화할 수 있는 회로 기판 및 그 제조 방법을 제공한다. 
     유리 기판(16)과, 유리 기판(16)을 관통하는 관통 구멍(18)과, 관통 구멍(18)에 매립된 비어 전극(20)을 갖는 회로 기판에 있어서, 관통 구멍(18)의 개구 폭이 유리 기판(16)의 내부에서 최소로 되고, 유리 기판(16)의 양 표면에 근접함에 따라 커진다.
Patent KR-20040060446-A (KR)
Title: Semiconductor device with current source
Inventor: LEE JAE UNG
IPC: G11C5/14
Filed: 2002-12-30
Abstract: PURPOSE: A semiconductor device comprising a current source is provided which has an efficient operation characteristic by supplying a constant current to an internal power supply circuit using the current source at a specific operation mode. CONSTITUTION: An internal power supply voltage generation circuit(105) outputs an internal power supply voltage(VINT) having a constant voltage level to an output port in response to an external power supply voltage. And a current source(130) supplies or stops supplying a constant current to the output port in response to an operation mode change command. The current source supplies the constant current to the output port when the semiconductor device(100) is changed from the first operation state to the second operation state in response to the operation mode change command, and stops supplying the constant current when the semiconductor device is changed from the second operation state to the first operation state.
Patent KR-20020063844-A (KR)
IPC: A61K9/00
Filed: 2000-08-28
Abstract: 본 발명은 산업적 규모로 쉽게 생산될 수 있고, 수 분배 시스템을 통해 하나이상의 수불용성 수의학적 약물의 재현성있고 효과적인 투여를 가능케하는 서스포에멀젼 제제의 제조 방법에 관한 것이다. 미세하게 분쇄된 형태의 수불용성 수의학적 약물을 수 불혼화성 액체에 분산시키고, 이 시스템을 수 상에 균일화시킨다.  안정한 제제의 제조를 용이하게 하기 위하여, 유화제, 농후화제, 항산화제 및 항미생물제와 같은 하나이상의 안정화제를 사용할 수 있다. 결과적인 서스포에멀젼은 용기에서 희석후 및 수 분배 시스템에서 모든 핸들링 및 수송동안 우수한 장기간의 저장 안정성 및 양호한 "사용시" 안정성을 나타낸다.
Patent KR-20020030790-A (KR)
IPC: G01S7/52
Filed: 2001-05-25
Abstract: 신호의 품질에 따라서 기본 에코를 고조 에코와 적절하게 조합하기 위하여, 기본 에코의 2개의 주파수 성분간 비율을 판정하고(704), 고조 에코의 2개의 주파수 성분간 비율을 판정한다(702).  또한, 이들 두 개의 비율에 근거하여 에코 수신 신호에 있어서 기본 성분과 고조 성분간 성분 비율을 조절한다(706,708).
Patent KR-20020041477-A (KR)
IPC: A61P43/00
Filed: 2000-10-24
Abstract: 본 발명은 3 위치에 특정한 치환기 -X-R 6 , 4 위치에 시클릭 치환기 R 5 를 포함하는 것을 특징으로 하는 2-옥소-1,2-디히드로-1,8-나프티리딘 유도체 또는 그의 염에 관한 것이다.  유도체 및 염은 약물, 특히 PDE IV가 관련된 호흡기 질환에 대한 예방제 또는 치료제로 유용하다.
Patent KR-20020081215-A (KR)
Title: 차량용 발전제어장치
IPC: B60W10/08
Filed: 2001-10-23
Abstract: 다상교류발전기(1)의 출력전류를 정류회로(300)에서 정류하고, 또한 레귤레이터 (100)로 소정전압으로 제한하는 차량용 발전제어장치에 있어서, 레귤레이트상태부터의 확실한 복귀를 가능하게 한다. 
     시각(t1)에서 배터리전압(VB)이 레귤레이트전압(Vreg)에 도달하면 각 상이 레귤레이트된다.  그 후 시각(t2)에서 W상이 복귀하고, 시각(t2)에서 V상이 복귀한 후, 시각(t4)에서 W상의 전류(IW)가 다시 제로크로스하면 W상의 앞의 상인 미복귀 U상의 전류(IU)를 참조하여 이것이 플러스이면 U상을 복귀시킨다.
Patent KR-20020058058-A (KR)
Title: Process for producing enlarged latex
IPC: C08F257/02
Filed: 2000-12-14
Abstract: A process for preparing an enlarged latex, which comprises (1) causing (a) an anionic surfactant and (b) at least one surfactant selected from the group consisting of a cationic surfactant and an amphoteric surfactant to exist in a latex, (2) adding, as an aggregating and enlarging agent, at least one selected from the group consisting of (i) an inorganic acid, (ii) an organic acid, (iii) a substance which forms an acid in water, (iv) a combination of at least two substances which are reacted with each other to form an acid, and (v) a substance which forms an acid by exposure to active rays to the latex in the presence of these surfactants, and (3) causing the acid derived from the aggregating and enlarging agent to act on the latex, thereby enlarging the particle diameter of the latex, an enlarged latex obtained by the preparation process, a graft copolymer obtained by polymerizing a polymerizable monomer with the enlarged latex, and a resin composition comprising the graft copolymer and a thermoplastic resin.
Patent KR-20030019310-A (KR)
IPC: H04L5/16
Filed: 2001-02-01
Abstract: PCM 모뎀 시스템(도 3)에서, 업스트림 데이터 레이트를 최대화시키기 위해 업스트림 방향의 분수 샘플링 페이즈 오프셋을 최적화는 방법 및 장치는 시작시 생성되며 순수 톤의 적어도 두 개의 별개의 페이즈들을 가지며, 최적의 샘플링 페이즈 값(72)을 산출하는 디지털 모뎀(14)에서 검출되는 것인 아날로그 모뎀(12)으로부터의 프로빙 신호(도 4a)를 이용한다.  계산된 값(72)으로부터, 입력 데이터를 지연시키는 적합한 양을 나타내는 신호가 중앙국의 양자화기(22)의 분수 샘플링 페이즈 오프셋이 최적화되게 단편 샘플링 페이즈의 조정을 위해 아날로그 모뎀(12)으로 다시 송신된다.
Patent KR-20020086916-A (KR)
IPC: H01P5/12
Filed: 2001-03-06
Abstract: Microstructure materials which can be tuned to a particular range of r.f. frequencies to display particular magnetic permeabilities have been proposed. A typical material is made of an array of capacitive elements e.g. spirals or rolls of conducting material on a non-conducting substrate. These materials can be used as a guide which is effective for the particular band of frequencies to which it is tuned. In one example, the rolls ( 2 a to 2 c) guide magnetic flux along ducts ( 1, 2, 3 ) while rolls ( 4 a, 5 a) guide magnetic flux along ducts ( 4, 5 ). Flux can thus be guided upwardly along duct ( 2 ), along ducts ( 4 and 5 ), and down ducts ( 1, 3 ), or vice versa.
Patent KR-20030011801-A (KR)
Title: Coating materials having anti-seizing properties for detachable bush-bolt and/or threaded connections
IPC: C09D7/12
Filed: 2001-03-23
Abstract: The present invention relates to a coating composition comprising a) at least one binder and b) at least one substance which releases gases at elevated temperature, and c) at least one friction-reducing additive. With the aid of the coating compositions of the invention it is possible to fill gaps in the case of socket/pin couples or threaded-part couples for the purpose of sealing and locking. The use of the coating compositions allows disassembly of the parts without danger of seizing or jamming.
Patent KR-20030014222-A (KR)
Title: Process For The Purification Of A Salt Of Clavulanic Acid
IPC: C07D503/00
Filed: 2001-05-09
Abstract: A process in which a salt of clavulanic acid, typically an amine salt or an alkali metal salt is exposed to conditions, particularly a pH of less than 6.0, which reduces the quantity of contaminating impurities. The process may be a washing process, a recrystallisation process or a preparative process.
Patent KR-20030093909-A (KR)
Title: 회전 장치용 절연 캡 구조
IPC: H02K3/34
Filed: 2003-01-16
Abstract: 절연 캡 몸체 텅의 코너부에 만곡된 가장자리를 제공함으로써 회전 장치의 권선 속도 및 생산성을 향상시킨다.     상기 회전 장치용 절연 캡 구조에서, 스테이터 코어 또는 로터 코어 내에 배치된 절연 캡 몸체 텅의 코너부는 만곡된 가장자리를 가지도록 형성되며, 권선 시의 바늘 영역이 종래 기술의 사각형보다는 원형에 가까워 권선 속도가 증가될 수 있다.
Patent KR-20040067310-A (KR)
Inventor: LEE SANG JAE
IPC: A23L33/00
Filed: 2003-01-22
Abstract: PURPOSE: A functional uncooked food product containing powders of herbal materials, cereals, vegetables, seaweeds, mushrooms or the like is provided. It has an effect of functioning as a health supplementary food containing essential nutrients in great quantity. CONSTITUTION: The uncooked food product contains 10% by weight of herbal powder, 60% by weight of grain flour, 8% by weight of vegetable powder, 1% by weight of seaweed powder, 1% by weight of mushroom powder, 2% by weight of bacteria and 18% by weight of sugars. The herbal plants contain 2% by weight of Aralia elata Seem., 2% by weight of Lycii Radicis Cortex, 2% by weight of Eucommiae Cortex, 2% by weight of Cassiae Semen and 2% by weight of Schizandrae Fructus. The grain contains 20% by weight of unpolished rice, 15% by weight of germinated brown rice, 5% by weight of glutinous millet or the like. The seaweed contains 0.4% by weight of laver, 0.3% by weight of kelp, 0.2% by weight of brown algae and 0.1% by weight of chlorella. The mushroom contains 0.3% by weight of Ganoderma lucidum, 0.3% by weight of Auricula auricula-judae Berk and 0.4% by weight of Lentinus edodes.
Patent KR-20030019924-A (KR)
Inventor: CHO SEUNG YEON
IPC: C09K5/04
Filed: 2003-01-29
Abstract: PURPOSE: Provided is a coolant mixture composition for replacing the coolant R-500, which has azeotropic property, improved flammability, excellent volume freezing ability and performance coefficient, and excellent vapor pressure property and dose not generate a temperature gradient in an evaporation and condensation process. CONSTITUTION: A first composition of the coolant mixture contains 45-75wt%(based on the total coolant composition) of cyclopropane as a hydrocarbon-based coolant gas and 25-55wt% of 1,1-difluoroethane as a hydrofluorocarbon-based coolant gas. A second composition of the coolant mixture contains 10-30wt%(based on the total coolant composition) of isobutane as a hydrocarbon-based coolant gas and 70-90wt% of 1,1,1,2-tetrafluoroethane as a hydrofluorocarbon-based coolant gas. The first and the second compositions contain additionally about 5wt% of an additive selected from the group consisting of carbon dioxide(CO2), trifluoro methyl iodide(CF3I), and a mixture thereof.
Patent KR-20040076330-A (KR)
Inventor: CHOI BYEONG RYONG
IPC: H04N5/335
Filed: 2003-02-25
Abstract: PURPOSE: A silicon photo diode and an optical signal input/output apparatus using the same are provided to control easily a light-emitting sustain period and a light-receiving sustain period by performing selectively an amplifying function, a light-emitting function, and a light-receiving function. CONSTITUTION: A substrate(11) is formed with n-type silicon and p-type silicon. A doping region(25) is formed on a predetermined region of the substrate in order to receive and emit the light. The doping region is formed by using a predetermined dopant. A light emitting element(20) and a light receiving element(30) sharing the doping region are formed on one side of the doping region. The light emitting element is formed with a structure of a GTO thyristor.
Patent KR-20040076933-A (KR)
Inventor: OH GWANG HEON
IPC: F28F9/00
Filed: 2003-02-27
Abstract: PURPOSE: A condenser for an automobile air conditioning apparatus is provided to decrease a temperature of a refrigerant by controlling a pressure of the refrigerant atomized and sprayed to a receiver drier tank, thereby increasing cooling efficiency. CONSTITUTION: A first header pipe and a second header pipe(320) form a pair. A receiver drier tank(330) is formed at the first header pipe or second header pipe. End caps(340) are fixed at both ends of the first and second header pipes and the receiver drier tank. Both ends of a plurality of tubes(350) are fixed at the first and second header pipes, having a flow path for a refrigerant. Corrugated fins(360) are formed between the tubes. A communicating hole(340a) is formed inside the end cap for communicating the first header pipe or second header pipe with the receiver drier tank. A control switch(390) is installed at a predetermined position of the end cap for controlling a pressure of the refrigerant discharged to the receiver drier tank from the first header pipe or second header pipe. The gaseous refrigerant is liquified by a ventilation action of a cooling fan and the liquified refrigerant moves toward the receiver drier tank through the communicating hole from the first header pipe or second header pipe. At this time, a certain amount of the liquified refrigerant are atomized and sprayed.
Patent KR-20040078453-A (KR)
Inventor: AHN CHI YONG
IPC: A01N65/44
Filed: 2003-03-04
Abstract: PURPOSE: A method for controlling the growth of harmful Cyanobacteria using the rice straw extract is provided, thereby cheaply and environment-friendly controlling the growth of harmful Cyanobacteria with minimizing the secondary pollution and side effects. CONSTITUTION: The method for controlling the growth of harmful Cyanobacteria using the rice straw extract comprises the steps of: (1) drying and pulverizing the rice straw, and extracting the pulverized rice straw in a polar solvent under reduced pressure; (2) drying the extract of rice straw, dissolving the dried extract thereof in a polar solvent, and adding 0.01 to 1 ppm of the rice straw solution into a culture medium for harmful Cyanobacteria; and (3) culturing harmful Cyanobacteria in the rice straw-added culture medium under conditions of a temperature of 25 to 30 deg. C, light degree of 100 to 300 micro E/m2/s, light period of L:D = 12-14:10-12, and a speed of 80 to 120 rpm, wherein the polar solvent is selected from methanol, ethanol, distilled water and a mixture thereof; and the Cyanobacteria is Microcystis aeruginosa.
Patent KR-20040081638-A (KR)
Inventor: PARK JAE YEONG
IPC: H01Q1/38
Filed: 2003-03-14
Abstract: PURPOSE: A low cost active smart antenna system and a manufacturing method thereof are provided to reduce the size and cost of the antenna system and achieve improved performance by directly arranging the antenna system for a high frequency band on a substrate. CONSTITUTION: A low cost active smart antenna system comprises a phase shifter including a circuit electrode and an inductor pattern formed of the same conductors on the inside and outside of a high resistance substrate(20), an electronic switch(22) directly connected on the electrode pattern, and a capacitor(23) directly connected on the electrode pattern; a low noise amplifier(27) or a transmitting/receiving module connected to the input electrode of the phase shifter formed on the high resistance substrate; and an antenna(26) connected to the low noise amplifier or the transmitting/receiving module.
Patent KR-20040081832-A (KR)
Inventor: HWANG GI RYONG
IPC: H03H9/64
Filed: 2003-03-17
Abstract: PURPOSE: A surface acoustic wave filter for preventing a feed-through is provided to absorb and remove feed-through signals by using a ground bar for surrounding an IDT(Inter-Digital Transducer) and an output IDT. CONSTITUTION: A surface acoustic wave filter for preventing a feed-through includes an input IDT(11), a ground bar, an output IDT(13). A plurality of pads(15a,15b,16a,16b,17a,17b) are electrically connected to a lateral part of the surface acoustic wave filter by using a bonding wire(14). A lead is formed at an upper part of the surface acoustic wave filter. The input IDT and the output IDT are surrounded by the ground bar. A rectangular shape is formed by the ground bar.
Patent KR-20040082142-A (KR)
Inventor: KANG DAE RYUN
IPC: H04N5/65
Filed: 2003-03-18
Abstract: PURPOSE: A screen cover device for a display device is provided to reduce space and be silently operated by adopting a linear motor. CONSTITUTION: A rotatable reel(16) is parallel to an edge of a screen(14) at an external side of the screen and is disposed in a frame(12). An one end of an opaque cover(18) is fixed in the rotatable reel, and is removably accommodated in the rotatable reel. A linear motor is vertical with the rotatable reel at the external side of the screen, and is disposed in the frame. The liner motor moves the other end of the opaque cover so that the opaque cover covers the screen.
Patent KR-20030084588-A (KR)
Title: 와이어 방전가공기에 탈착 가능한 미세공 방전가공장치
IPC: B23H7/26
Filed: 2003-03-25
Abstract: 본 미세공(細孔) 방전가공장치는, 와이어 방전가공기의 상(上) 헤드 본체(2)에 간단히 탈착가능하게 설치되며, 별도의 서보(Servo)기구 등을 설치할 필요가 없고, 구조가 심플(Simple)하여, 저 비용으로 제작할 수 있다. 상기 미세공 방전가공장치는, 와이어 방전가공기의 상(上) 와이어 헤드(3)를 설치한 상(上) 헤드 본체(2)에, 미세공 헤드 본체(10)를 탈착가능하게 설치한다. 회전스핀들(33)은, 미세공 헤드 본체(10)에 회전이 자유롭게 지지되고, 파이프 전극(25)이 탈착가능하게 설치되어 있다. 가이드 홀더(29)는, 파이프 전극(25)을 가이드(Guide)하기 위한 미세공 헤드 본체(10)에 상하 가능하게 지지되어 있다.
Patent KR-20030077446-A (KR)
Title: 다이폴 조명을 활용하여 규칙기반 게이트 슈링크를수행하는 방법 및 장치
IPC: G03F7/20
Filed: 2003-03-25
Abstract: 본 발명에 따른 게이트 패턴을 기판상에 인쇄하는 방법은, 상기 게이트 피처들 중의 하나가 상기 활성영역들 중의 하나에 겹치는 적어도 하나의 지역을 상기 패턴내에서 식별하는 단계; 상기 게이트 피처들 중의 하나가 상기 활성영역들 중의 하나에 겹치는 위치에서의 상기 게이트 피처들 중의 하나의 폭 크기를 줄이는 단계; 상기 패턴으로부터 상기 게이트 피처들을 추출하는 단계; 상기 게이트 피처들을 수직성분 마스크 및 수평성분 마스크로 분해하는 단계; 및 다이폴 조명을 활용하여 상기 수직성분 마스크 및 상기 수평성분 마스크를 조명하는 단계를 포함하는 것을 특징으로 한다.
Patent KR-20040084450-A (KR)
Inventor: CHO GYEONG SU
IPC: H01L21/205
Filed: 2003-03-28
Abstract: PURPOSE: A method for manufacturing an interlayer dielectric of a semiconductor device is provided to prevent cracks of the interlayer dielectric due to voids and to restrain leakage current by using a high-density oxide layer. CONSTITUTION: Conductive lines(11) are formed on a semiconductor substrate(10). A high-density oxide layer(23) is deposited on the resultant structure by HDPCVD(High Density Plasma Chemical Vapor Deposition) with low deposition and etch ratio. Then, a normal oxide layer(25) is formed on the high-density oxide layer. By planarizing the normal oxide layer, an interlayer dielectric is formed.
Patent KR-20040087031-A (KR)
Inventor: SHIN CHANG HYEON
IPC: F02P3/055
Filed: 2003-04-04
Abstract: PURPOSE: A gas exhaust path of an airtight member for an ignition coil of a vehicle is provided to improve reliability of the ignition coil by preventing the penetration of moisture or foreign materials into the ignition coil from the outside without obstructing the discharge of foreign materials or gas in a cylinder bore. CONSTITUTION: A gas exhaust path of an airtight member(5) for an ignition coil of a vehicle is composed of a coil case having an ignition plug combined at the lower part and a socket holder disposed at the upper part and embedded with an igniter generating high-pressure voltage and the airtight member for forming an exhaust path to cover the upper part of the coil case, to cut off the penetration of external water and foreign materials by keeping airtightness from a cylinder bore, and to exhaust the internal gas and foreign materials. The exhaust path of the airtight member comprises a guide channel(12) dug vertically at the predetermined depth to form a gap between the guide channel and the coil case contacted on the insides of hollow lower and upper bodies(10,11) integrated to each other and an exhaust hole(13) perforating the upper body connected with the guide channel and having a penetration-preventing angle(b) angled down at the predetermined degrees toward a combustion chamber.