baber/WOPTO huggingface dataset:
Patent KR-20030053686-A (KR)
Title: Fabricating method of semiconductor
Inventor: HAN SEUNG HO
IPC: H01L21/265
Filed: 2001-12-22
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of obtaining stable doping profile by effectively controlling the oxide existing on the surface of a wafer under an ion implantation and an RTP(Rapid Thermal Process). CONSTITUTION: After forming a screen oxide layer on a substrate(401), an ion implantation is carried out on the entire surface of the resultant structure. The screen oxide is removed by carrying out a wet etching process using HF, thereby generating the dangling bond between Si elements of the substrate and H elements of the HF. At this time, the dangling bond prevents a native oxide layer from being generated on the surface of the substrate. The resultant structure is activated by using an RTP under predetermined gas atmosphere, wherein the predetermined gas is obtained by mixing O2 gas of 2-10 % with N2 gas. At this time, a nitride oxide layer(403) is formed on the surface of the substrate, thereby preventing the damage of the substrate due to N2.
Patent KR-20030058700-A (KR)
Title: Semi automatic turn over jig for flat welding
Inventor: HWANG IN HWAN
IPC: B23K37/04
Filed: 2001-12-31
Abstract: PURPOSE: A semi-automatic sample turning device used for a horizontal welding test is provided to improve welding efficiency and to improve working environment in a working field by allowing a user to rapidly and safely turn over a sample. CONSTITUTION: A semi-automatic sample turning device includes a rotary welding table(10) divided into front, rear, left and right welding sections(1,2,3,4). A rectangular space section is formed at the center of the rotary welding table(10). A plurality of ball rollers(5) is provided at upper surfaces of the front and rear welding sections(1,2). An elongated hole(6) is formed at outer portions of front and rear sections of the front and rear welding sections(1,2). A left supporting column(20) is coupled to an inner portion of the left welding section(3). A stopper(23) is installed in a roller(20') in order to stop the movement of the roller(20').
Patent KR-20010079908-A (KR)
IPC: B29C48/41
Filed: 1999-09-17
Abstract: 균일하게 분포된 도전성 재료가 높은 비율로 충전된 PTC 폴리머 재료를 제조하기 위해서는, 먼저 결정성 폴리머(예를 들면, 고밀도 폴리에틸렌)와 도전성 충전제(예를 들면, 카본 블랙)의 친밀한 혼합물(예비 혼합물 또는 마스터 배치)을 생성하며, 이 때 도전성 충전제는 최종 PTC 생성물의 경우보다 낮은 비율로 혼합한다.  상기 친밀한 혼합물, 예비 혼합물 또는 마스터 배치는 폴리머 매트릭스 내에 충전제를 원하는 만큼 충전하기 위해 필요한 분량의 추가 충전제 재료와 혼합시키기 위해 용해된 액체 형태로 후속 공정에서 이용된다.  결과적인 혼합물을 통상적인 설비로 압출, 성형 및 형성함으로써, 전극이 장착되면 PTC 회로 보호 디바이스를 형성하는 데에 적절한 PTC 폴리머 조성물을 제공한다.  본 발명의 제조 공정에 따르면 보통 카본 블랙인 도전성 충전제를 55 내지 60 중량%까지 포함하는 PTC 폴리머 조성물을 얻을 수 있다.
Patent KR-20010085900-A (KR)
IPC: C08F4/645
Filed: 1999-09-08
Abstract: 기체상 올레핀 중합에는 질소 함유기, 특히 아미도기를 갖는 붕소 또는 알루미늄 다리결합기를 갖는 신규한 4 족 전이금속 착물을 함유하는 촉매가 관여한다.
Patent KR-20010083947-A (KR)
IPC: H04N7/173
Filed: 2000-09-01
Abstract: 센터국(11)의 EPG 서버(15)에는 방송국(1)에 의해 방송되는 프로그램의 프로그램 가이드 정보가 축적된다. EPG 서버(15)는 개인정보 데이터베이스(16)에 등록된 프로그램의 장르 등의 조건에 적합한 프로그램을 각 사용자마다 검색하여, 검색한 프로그램의 가이드 정보를 통신망(10)을 통해 그 조건을 설정한 사용자의 휴대전화(14)에 송신한다. 이렇게 하여, 사용자가 집밖에 있더라도 휴대전화(14)를 사용하여, 사용자에 의해 지정된 조건에 적합한 프로그램이 있는 경우, 그 프로그램에 관한 정보를 취득하는 것이 가능하다. 그리고, 취득한 프로그램 정보를 참조하여 휴대전화(14)로부터 가정(12)내의 VTR(6)에 녹화를 지시할 수 있다.
Patent KR-20010093086-A (KR)
IPC: B24B37/11
Filed: 1999-11-17
Abstract: 본 발명은 2개 이상의 상이한 막을 함유하는 복합 반도체 구조물의 디슁율 또는 부식율을 감소시키는 방법을 제공한다.  보다 바람직하게는, 이러한 복합 반도체 구조물은 금속층, 유전층 및 차단층으로 이루어진다.  당해 방법은 복합 반도체 구조물을 연마 슬러리 및 연마 표면을 갖는 연마 패드로 편평화하는 단계를 포함한다. 연마 패드 상의 편평화 표면의 조도를 최소화함으로써, 나머지 구조물의 디슁 또는 부식 증가율을 감소시킨다.  바람직한 양태에서, 구리막의 디슁율은 표면 조도가 낮은 연마 패드를 사용함으로써 탄탈륨막 및 이산화규소막에 비해 저하된다.
Patent KR-20010080553-A (KR)
IPC: A61P19/02
Filed: 1999-11-20
Abstract: 본 발명의 하기 화학식 1의 하이드라진 유도체 및 그의 약학적으로 허용가능한 염은 세포로부터 종양 괴사 인자 알파(TNF-α)의 방출을 저해한다: 
     화학식 1 
     
       
     
     상기 식에서, 
     R 1 은 저급 알킬, 저급 알케닐, 저급 사이클로알킬, 저급 사이클로알킬-저급 알킬, 아릴 또는 아릴-저급 알킬을 나타내고; 
     R 2 는 헤테로사이클릴 또는 NR 5 R 6 을 나타내고; 
     R 3 은 수소, 저급 알킬, 할로-저급 알킬, 시아노-저급 알킬, 하이드록시-저급 알킬, 아미노-저급 알킬, 저급 알콕시-저급 알킬, 저급 알콕시카보닐-저급 알킬, 저급 사이클로알킬-저급 알킬, 아릴-저급 알킬, 헤테로사이클릴-저급 알킬, 헤테로사이클릴카보닐-저급 알킬, 저급 알케닐, 저급 알키닐, 저급 사이클로알킬, 아릴, 헤테로아릴 또는 아릴-저급 알킬을 나타내고; 
     R 4 는 저급 알킬, 저급 알케닐, 저급 사이클로알킬-저급 알킬, 또는 -Z-아릴, -Z-헤테로사이클릴 또는 -(CH 2 ) n -CH=CR 7 R 8 의 기를 나타내고; 
     R 5 및 R 6 은 각각 독립적으로 수소 또는 저급 알킬을 나타내고; 
     R 7 및 R 8 은 각각 독립적으로 수소 또는 저급 알킬을 나타내거나, R 7 과 R 8 은 함께 저급 알킬렌을 나타내고(이 때, 하나의 CH 2 기는 헤테로 원자에 의해 임의로 치환된다); 
     X 및 Z는 각각 연결기를 나타내고; 
     n은 0, 1 또는 2이다. 
     이들은 약제로서, 특히 염증성 자가면역 질환, 골관절염, 호흡기 질환, 종양, 악액질, 심혈관 질환, 열병, 출혈 및 패혈증의 치료에서 사용될 수 있다.
Patent KR-20010082315-A (KR)
Title: Method for detecting knocking
IPC: F02P5/152
Filed: 2000-09-26
Abstract: A method for knock detection in an internal combustion engine is disclosed, in which the output signal of at least one knock sensor, which is associated with the engine, is evaluated with the aid of an evaluation device. Knocking is detected when the prepared signal of the knock sensor exceeds a predeterminable reference level. The calculation of the input signal of the reference level tracking takes place as a function of whether the internal combustion engine is in a dynamic operating state or not, wherein in order to calculate the reference level in the event of dynamics, measurement values are also used which were determined when knocking was detected.
Patent KR-20010080727-A (KR)
Title: Electrically tunable filters with dielectric varactors
IPC: H01P1/20
Filed: 1999-12-09
Abstract: This invention provides a voltage tunable filter comprising an input connection point, an output connection point, and at least one circuit branch electrically coupled to the input connection point and the output connection point and including a voltage tunable dielectric varactor electrically connected to an inductor. The voltage tunable filter can be one of a low-pass, high-pass, band-pass, or band-stop filter. The varactor can include built-in DC blocking capacitors.
Patent KR-20010101194-A (KR)
Title: Connective Tissue Growth Factor Fragments and Methods and Uses Thereof
IPC: A61K45/00
Filed: 1999-12-14
Abstract: The present invention is directed to CTGF fragments comprising at least exon 2 or exon 3 of CTGF and having the ability to induce extracellular matrix synthesis, in particular, collagen synthesis and myofibroblast differentiation. The present invention is further directed to methods using said CTGF fragments to identify compositions which modulate the activity of said CTGF fragments and to the compositions so identified. The invention also relates to methods of treating CTGF-associated disorders and diseases associated with the overproduction of the extracellular matrix.
Patent KR-20010110309-A (KR)
Title: Membrane-electrode assembly, and production process
IPC: C08J5/22
Filed: 1998-12-22
Abstract: Membrane-electrode assembly consisting of a cationic exchange membrane which contains fluorine (made of hydrolyzed copolymer of tetrafluoroethylene and vinyl ether which contains perfluorosulfur with PE = 900-1300) and porous layers of electrode material (made of electrocatalyst), inactive electroconductor material and fluoropolymer agglutinating material arranged on both surfaces of the cationic exchange membrane. The cationic exchange membrane which contains the fluorine is made of hydrolyzed copolymer of tetrafluoroethylene with vinyl ether which contains perfluorosulfur, having a crystallinity grade between 2 and 8 %; porous layers of the electrode material are obtained which have a porosity comprised between 40 and 70 % and decreasing in the direction of the cationic exchange membrane surface with a porosity gradient from 5 to 15 % per 1 mu . Said membrane-electrode assembly is used in fuel cells, in water electrolysis and in other electrochemical processes.
Patent KR-20010089821-A (KR)
Title: GPRS mobile paging method
IPC: H04W28/06
Filed: 2000-01-10
Abstract: The invention concerns a method of scheduling the time of transmission of one or more GPRS paging blocks in a cell of a cellular communications system, the paging blocks initiating communication to a mobile terminal in a cellular communications system, comprising calculating the transmission time of the paging block, or the transmission times of the paging blocks, in dependence on:   (i) the number N determining which control channel carries the paging blocks of a given terminal;   (ii) the number M of GPRS paging blocks on the control channel; (iii) the number KC of control channels in the cell of the cellular communications system; and (iv) the International Mobile Subscriber Identity (IMSI) number of the mobile terminal.   The invention also comprises a method of scheduling the times of transmission of GPRS paging blocks on the Packet Common Control Channels (PCCCH) in a cell of a cellular communications system, the paging blocks initiating communication to a mobile terminal in the cellular communications system. <IMAGE>
Patent KR-20010101859-A (KR)
IPC: B09C1/00
Filed: 2000-01-25
Abstract: 영양액을 환원제에 의해 환원시켜 오염물 중로 도입한다.  또는 환원제에 의해 환원된 지하수를 오염물 중로 도입한다.  대수층 및 하우징의 사이를 순환하면서 지하수를 환원제와 접촉시킨다.  종속영양형 혐기성 미생물의 영양원도 오염물 중로 도입하여도 좋다.  할로겐화 유기화합물에 의해 오염된 오염물을 효율적으로 또한 간이하게 정화할 수 있다.
Patent KR-20020034983-A (KR)
Title: 릴리스 물품 및 그 릴리스 물품을 포함하는 접착제 물품
IPC: C09J7/02
Filed: 1999-04-29
Abstract: 본 발명은 릴리스 재료를 갖춘 기재를 포함하는 릴리스 물품에 관한 것이며, 상기 릴리스 재료는 올레핀 및 알킬 (메타)아크릴레이트를 포함하는 중합체를 포함하고, 상기 중합체는 (a) 알킬 (메타)아크릴레이트 함량이 릴리스 재료의 총 중량을 기준으로 약 20 내지 약 50 중량%이고, 알킬 (메타)아크릴레이트는 탄소수가 2 내지 30인 알킬기를 갖거나, (b) 알킬 (메타)아크릴레이트 함량이 릴리스 재료의 총 중량을 기준으로 약 25 내지 약 50 중량%이고, 알킬 (메타)아크릴레이트는 탄소수가 1 내지 30인 알킬기를 갖는다.
Patent KR-20020013504-A (KR)
IPC: H01L21/822
Filed: 2000-02-23
Abstract: IC 상에서 사용되는 드라이버, 리시버 및 정전기 방전(ESD) 보호 소자 등의 복수개의 회로 소자를 위한 공통 I/O 단자로의 접근을 제공하는 상호 접속 시스템에서, 각각의 이러한 소자에는 IC 내에서 분리형 접촉 패드가 제공된다.  접촉 패드는 서로 그리고 IC 내의 본딩 와이어, 금속층 트레이스 또는 IC 상에 형성되는 리소그래피 공정에 의해 형성된 포크형 스프링 접촉부의 레그 등의 유도성 전도체를 통해 IC I/O 단자에 연결된다.  전도체의 인덕턴스는 회로 소자의 커패시스턴스를 서로로부터 고립시켜, 상호 접속 시스템의 주파수 응답 특성을 개선시킨다.  또한, ESD 보호 기능은 각각의 IC 단자에서 다극 필터를 제공하기 위해 직렬 인덕터에 의해 상호 접속되는 복수개의 ESD 소자들 사이에 배치된다.  또한, 전도체의 인덕턴스 및 상호 접속 시스템의 다양한 커패시턴스는 상호 접속 시스템의 바람직한 주파수 응답 특성을 최적화하도록 적절하게 조정된다.
Patent KR-20010113717-A (KR)
IPC: G02B6/38
Filed: 2000-12-28
Abstract: 본 발명은, 최외층이 불소화비닐리덴계 중합체로 구성되어 있는 광섬유의 외주에, 두께 0.5 내지 200 ㎛의 밀착층, 1차 피복층 및 2차 피복층을 순차적으로 형성시켜 제조된, 직경을 D 1 (mm)으로 하고, 광섬유의 직경을 Da(mm)로 하고, 밀착층의 두께를 d(mm)로 하고, Da+2d를 D 2 로 한 경우에, D 1 /D 2 가 1.2 내지 3.5인 광섬유 케이블과, 이 광섬유 케이블을 사용한 플러그 부착 광섬유 케이블에 관한 것이다.  따라서, 난연성이 우수하고, 광섬유와 피복층이 잘 박리되지 않으며, 피스토닝 현상이 잘 일어나지 않는다.  광섬유는, 심, 심의 원주상에 형성된 초, 및 초의 원주상에 형성된 보호층으로 이루어질 수 있다.
Patent KR-20020048308-A (KR)
IPC: A47L11/14
Filed: 2000-06-06
Abstract: 본 발명은 플로어를 클리닝하기 위한 플로어 클리너를 개시한다.  전방부 및 후방부를 구비하는 이러한 플로어 클리너는, 플로어를 스위핑하기 위한 스위퍼와, 이러한 스위퍼에 연결되고 스위퍼의 후방에 위치하는, 플로어를 습식 클리닝하는 스크러버와, 그리고 상기 스크러버에 연결되고 스크러버의 후방에 위치하는, 플로어를 버니싱하기 위한 버니셔를 포함한다.
Patent KR-20030012796-A (KR)
Title: Vehicle crash determining apparatus
Inventor: UGUSA AKI
IPC: G06F7/00
Filed: 2002-01-25
Abstract: PURPOSE: To solve such a problem that a crew protective means cannot be started at a proper timing when a soft crush in which comparatively low acceleration signal is continued for many hours, is discriminated from a low-speed head-on collision. CONSTITUTION: The collision judgment apparatus is provided with a first comparison means by which the output signal of an accelerometer used to detect a shock in the collision of a vehicle is compared with a first threshold value, a second comparison means by which the integrated value of an integration means used to integrate the output of the first comparison means inside a predetermined prescribed section while being shifted every unit time is compared with a second threshold value and a starting means which controls the start of the crew protective means on the basis of an output signal by the second comparison means.
Patent KR-20030067385-A (KR)
Title: Gas oven range having heater
Inventor: LEE HAK GWON
IPC: F24C11/00
Filed: 2002-02-08
Abstract: PURPOSE: A gas oven range is provided to reduce parts count and achieve improved productivity by eliminating the necessity of mounting components for controlling supply of gas in the grill chamber. CONSTITUTION: A gas oven range comprises a plurality of top burners; a grill chamber(10) arranged underneath the top burners and open/shut by a grill chamber door(12); an oven chamber(30) arranged underneath the grill chamber and open/shut by an oven chamber door(32); an upper heater(14) arranged in the upper portion of the grill chamber and which generates heat by the applied electricity; and a lower heater(22) arranged in the lower portion of the grill chamber and which generates heat by the applied electricity.
Patent KR-20030071905-A (KR)
Title: A resin composite for a negative ion mineral
Inventor: CHANG JUNG MO
IPC: C09D1/02
Filed: 2002-03-02
Abstract: PURPOSE: Provided is a resin composition using anion-emitting minerals which are added to a resin for use in the production of surface treating paints or household utensils so that they can emit a large amount of anions and far infrared rays. CONSTITUTION: The resin composition using anion-emitting minerals is mixed in the ratio of 0.1 to 45 wt% based on the resin to be applied for emitting anions and far infrared rays. The resin composition comprises 20 to 30 wt% of ZrO2, 1 to 10 wt% of Na2O, 40 to 70 wt% of SiO2, 5 to 10 wt% of Al2O3, 1 to 10 wt% of P2O, 1 to 8 wt% of K2O and 1 to 8 wt% of MgO. Further, the resin composition is produced by the method comprising a first crushing step, a drying step, a second crushing step, a baking step, a third and a forth crushing steps and a filtering step.
Patent KR-20020070899-A (KR)
Inventor: AMO HIDENARI
IPC: H02H1/00
Filed: 2002-03-02
Abstract: PURPOSE: To suppress influence of high harmonic components contained in fault voltage and fault current of system. CONSTITUTION: This protection relay apparatus has a first filtering means 1 which inputs sampling data of voltage vm and current im of the power system voltage v and current i to a filter having a transfer function f(Z).(1+k.Z¬-1+Z¬-2) and outputs a voltage vsm and a current ism, a second filtering means 2 which inputs the voltage vm and the current im to a filter having a transfer function f(Z).(1-Z¬-2) and outputs a voltage vjm and a current ijm orthogonal to the voltage vsm and the current ism, a reactance calculating means 3 which calculates a reactance Xm from vsm, ism, vjm, ijm at a time tm and vsm-p, ism-p, vjm-p, ijm-p at time tm-p, and an operation discriminating means 4 which makes discriminates operation according to a discriminating formula Xm<=Xs with the reactance Xm derived by the reactance calculating means 3 and a setting value Xs.
Patent KR-20030071949-A (KR)
Title: The paving materials for watering
Inventor: HONG SANG GI
IPC: E01C5/06
Filed: 2002-03-02
Abstract: PURPOSE: The perforated floor materials for high-pressure irrigation are provided to improve vegetative environment for roadside trees by supplying oxygen to the roots and enough water through irrigation effectively. CONSTITUTION: The perforated floor materials for high-pressure irrigation, as blocks for irrigation used around trees, contain an irrigation inlet, which is 6 millimeters and below not to make high heels get caught in, and an irrigation outlet, which is larger than the irrigation inlet to jet water easily.
Patent KR-20030075446-A (KR)
Title: Precision speed and position control method of actuator system
Inventor: KO JONG SUN
IPC: H02P5/00
Filed: 2002-03-19
Abstract: PURPOSE: A method for controlling accurately a speed and a position of an actuator system is provided to perform a control operation regardless of the variation of disturbance and parameter by improving a structure of an actuator. CONSTITUTION: A compensating method using a disturbance observer is performed by using a deadbit disturbance observer. An MA(Moving Average) process is performed by a rear end filter in order to compensate a defect of the deadbit disturbance observer. An influence due to the noise is reduced by the MA process. An equivalent system is used as a reference system in order to reduce a disturbance estimation error due to a difference between a parameter of the disturbance observer and a parameter of a practical system. The equivalent system is formed with the practical system and a parameter compensator. A load is predicted and compensated by learning the disturbance observer by means of a neural network. The disturbance observer and the parameter compensator are connected to the neural network in order to observe and compensate the load and the disturbance.
Patent KR-20030076116-A (KR)
Title: Method for adjusting cleaning process
Inventor: JUN SEONG BOK
IPC: C23G5/00
Filed: 2002-03-22
Abstract: PURPOSE: A method for controlling cleaning process is provided to perform cleaning effectively as removing danger of natural ignition by measuring oil and fat remained on the surface of metal at an oxygen pressing atmosphere through absorbency, thereby controlling the oil and fat to less than an amount corresponding to natural explosion lower limit. CONSTITUTION: The method for controlling cleaning process comprises the steps of setting up a calibration curve for concentration and absorbency for various oil and fat constituents; measuring concentration of oil and fat on the surface of product through absorbency; grasping explosion lower limit by the measured concentration of oil and fat and the calibration curve; and controlling cleaning degree by the measured concentration of oil and fat and explosion lower limit, wherein absorption wavelength for setting up the calibration curve is measured by wavelength having the highest statistical frequency, wherein the calibration curve sets up a calibration curve having the most sensitive concentration of oil and fat for absorbency, and wherein the concentration of oil and fat of product is quantity of oil and fat contained in detergent for washing the product.
Patent KR-20030078343-A (KR)
Title: Door for automobile
Inventor: KO CHEOL GYU
IPC: B60J5/00
Filed: 2002-03-29
Abstract: PURPOSE: A door for a vehicle is provided to variably adjust the width of an article-receiving unit according to the quantity of the articles received in the article-receiving unit and to improve user's convenience. CONSTITUTION: A door for a vehicle includes a door panel(11); a door pocket(21) disposed to a side of the door panel, to receive articles; and a sliding-combining part(31) having a first combining part formed to the door pocket and a second combining part formed to the door panel. The second combining part is slidably combined with the first combining part and variably adjusts the position of the door pocket. The door pocket forms an article-receiving part(23) for receiving articles.
Patent KR-20030078992-A (KR)
Title: Ink composition for solderresist
Inventor: YOO SANG HYEON
IPC: G03F7/004
Filed: 2002-04-01
Abstract: PURPOSE: Provided is an ink composition for a solder resist which has excellent coating flexibility, adhesion property and resistance against the soldering heat. CONSTITUTION: The ink composition for a solder resist comprises a binder polymer, a heat curing agent, a photo-polymerizable monomer, and a coloring agent. The ink composition is characterized in that the binder polymer is a polycarboxylic acid resin containing an unsaturated group of resorcinol novolac type. In particular, the resin can be obtained by reacting the resorcinol novolac with epichlorohydrin, reacting the formed product with acrylic acid, and then reacting with a polyhydric acid or an anhydride thereof. Further, the resin has the acid value of 30-160 mgKOH/g, and the glass transition temperature of 60 to 120 deg.C.
Patent KR-20030082314-A (KR)
Title: One Body Type Evaporator Havng The Sub-Cooling Condensor
Inventor: KIM GYU WAN
IPC: F24F1/00
Filed: 2002-04-17
Abstract: PURPOSE: An evaporator integrated with a super-cooling condenser is provided to reduce load of heat radiation of a condenser of an outdoor unit. CONSTITUTION: A super-cooling condenser(100) is connected to a lower end of an evaporator(120) through a connecting plate(160) to super-cool refrigerant moving to capillary pipes(110) through a pipeline. The super-cooling condenser has a plurality of condenser cooling fin(170) installed at regular intervals to exchange heat. Condensed water generated on the evaporator drops down to the super-cooling condenser to contact with the condenser cooling fins and the pipeline so as to radiate heat of refrigerant moving through the pipeline. High temperature and high pressure liquid refrigerant radiating heat in a condenser is moved through the pipeline, and super-cooled in the super-cooling condenser before being introduced to the capillary pipes. The condensed water generated on the evaporator moves along the connecting plate placed on a lower part of the evaporator to the super-cooling condenser so as to help cooling of refrigerant moving through the pipeline.
Patent KR-20030084174-A (KR)
Title: Direct adhesion method of photocatalyst on substrate
Inventor: HWANG JIN SU
IPC: B01J37/34
Filed: 2002-04-25
Abstract: PURPOSE: A direct immobilization method of photocatalyst on a substrate is provided, which is characterized in that titanium precursor is directly sprayed on a substrate in a vapour phase to deposit nano size titanium dioxide particles on the substrate, and then microwave is applied to the substrate, in place of applying organic/inorganic binder, to immobilize titanium dioxide particles thereon, thereby increasing exposure area of titanium dioxide particles to atmosphere. CONSTITUTION: The method comprises the steps of directly spraying titanium precursor on a substrate in a vapour phase using nitrogen as carrier gas to deposit nano size titanium dioxide particles thereon, wherein the concentration of titanium precursor is 1x10¬-10 to 1x10¬-8 mol/cm¬2 and the titanium precursor is one or more than two species selected from titanium tetrachloride, titanium tetramethoxide, titanium tetraethoxide and titanium isopropoxide; and applying microwave on the substrate for 2 to 30 min.
Patent KR-20030085173-A (KR)
Title: Device and method for improving engine start capacity of lpg automobile
Inventor: KANG GEON YONG
IPC: F02D41/06
Filed: 2002-04-29
Abstract: PURPOSE: An apparatus and a method are provided to shorten the engine starting time by permitting the fuel being supplied from the fuel tank to be bypassed to the fuel bypass valve for a preset time period. CONSTITUTION: An apparatus comprises a micro computer(10), a fuel tank(20), a fuel pump(30), a valve(40), an injector(50), an engine(60), a pressure regulator(70), and a fuel bypass valve(100). The fuel bypass valve is connected to the pressure regulator and receives the control signal output from the micro computer when the engine is turned on. The fuel bypass valve is open for a preset time period in such a manner that the LPG fuel being supplied from the fuel pump is bypassed from the pressure regulator. The fuel bypass valve is shut after elapse of the preset time period in such a manner that the gas phase LPG fuel generated in the injector is removed when the engine stops.