baber/WOPTO huggingface dataset:
Patent KR-20040058998-A (KR)
Title: Drum type washing machine with united cabinet/tub
Inventor: JANG JAE WON
IPC: D06F37/26
Filed: 2002-12-27
Abstract: PURPOSE: A drum-type washing machine with an integrated cabinet/tub is provided to increase washing capacity by making the size of a drum larger without enlarging the size of the exterior shape. CONSTITUTION: A drum-type washing machine with an integrated cabinet/tub comprises a cabinet(11) having a receiving space therein and an opening part formed in the front side to put in and out the laundry; a tub(21) arranged in the cabinet along the horizontal direction and composed of an inlet port(23) formed on the front side and integrated with a front plate(12a) of the cabinet to communicate with the opening part; and a drum(41) rotated about a rotary shaft line arranged along the horizontal direction of the cabinet, disposed in the tub to relatively move for the tub, and formed with the opening part for communicating with the inlet port on a portion of the circumferential surface.
Patent KR-20030076216-A (KR)
IPC: H01L21/31
Filed: 2002-12-30
Abstract: 본 발명은, 캐패시터를 피복하는 절연막을 형성할 때, 캐패시터 내의 강유전체막의 열화를 방지할 수 있는 반도체 장치와 그 제조 방법을 제공하는 것을 목적으로 한다.   실리콘 기판(반도체 기판 : 1)의 상측에 제1 절연막(9)을 형성하는 공정과, 그 제1 절연막(9) 위에, 캐패시터 Q의 하부 전극(11a)과, 유전체막(12a)과, 상부 전극(13a)을 형성하는 공정과, 적어도 상기 유전체막(12a)과 상부 전극(13a)을 피복하는 제1 캐패시터 보호 절연막(14)을 형성하는 공정과, 그 제1 캐패시터 보호 절연막(14)을 피복하는 제2 캐패시터 보호 절연막(16)을, 상기 실리콘 기판(1)에 바이어스 전압을 인가하지 않은 상태에서 화학적 기상 성장법에 의해 형성하는 공정과, 상기 제2 캐패시터 보호 절연막(16) 위에, 상기 실리콘 기판(1)에 바이어스 전압을 인가한 상태에서, 화학적 기상 성장법에 의해 제2 절연막(17)을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법에 의한다.
Patent KR-20040060659-A (KR)
Inventor: SON YOUNG SUK
IPC: A44C9/00
Filed: 2002-12-30
Abstract: PURPOSE: A ring with multi-functions is provided to conveniently enjoy multi-functions of many devices or electronic appliances by selectively combining various devices or appliances such as a radio cassette, an MP3 player, PDA, etc. with a simple function as one product such as a fragrance generator. CONSTITUTION: The ring with multi-functions comprises a radio cassette(2), an MP3 player(3), PDA(4), and other various devices mounted on a left side, a right side, an upper part and a lower part at each side; and a joint portion(5) for separating or combining the devices by a magnetic, a screw, or a compressor. The various appliances or devices(2¯37) include a needle for acupuncture, a gun, an electronic magnetic card, a pen, a camcoder, a mobile phone, etc.
Patent KR-20040061803-A (KR)
Title: Digital effect implementing method
Inventor: JI SEOK MAN
IPC: H04N7/14
Filed: 2002-12-31
Abstract: PURPOSE: A method for realizing digital effect by using ROI(Region Of Interest) in an image terminal is provided to realize the digital effect to images of a mobile communication terminal. CONSTITUTION: A method for realizing digital effect by using ROI in an image terminal includes the steps of compressing and storing images to a memory(S101), playing the images stored in the memory(S102), and transmitting the image in real time after compression(S103). If digital effect is required, ROI is extracted from color format-converted images and ROI and non-ROI are selectively processed for the digital effect. The images are compressed by a codec regardless of the digital effect and stored in the memory.
Patent KR-20020062915-A (KR)
Filed: 2000-08-23
Abstract: 본 발명은 미끄럼 또는 힌지결합 도어, 창문, 그리고 도어, 창문 등 여닫이 부재의 그릴 등에 쓰이는 것으로서, 도어 등의 무허가 개방을 막기 위한 걸쇠에 관한 것이다.  상기 걸쇠는 유연한 축 상에 장착되는 상호 결합용 돌출부를 가지고 있어, 만일 미끄럼 부재를 강제로 분리시키면, 유연한 축이 변형하여 돌출부들이 결합상태를 유지함으로써 미끄럼 부재의 무허가 개방을 방지할 수 있다.
Patent KR-20020027574-A (KR)
Title: Copolycarbonate preparation by solid state polymerization
IPC: C08G64/30
Filed: 2000-07-24
Abstract: Copolycarbonates containing such structural units as birefringence-reducing or "soft block" units are prepared by conducting a reaction, such as melt polymerization or equilibration, between a precursor polycarbonate and a monomer, polycarbonate oligomer or high molecular weight polycarbonate which is a source of other structural units. The crystallinity of the resulting precursor copolycarbonate or one of the reagents employed in its preparation is enhanced and the precursor copolycarbonate is subjected to solid state polymerization.
Patent KR-20020041419-A (KR)
IPC: A61P25/00
Filed: 2000-08-28
Abstract: 본 발명은 화학식 (I)의 화합물 또는 이의 약제학적으로 허용되는 염에 관한 것이며, 여기서, R은 지방족 아민기 또는 지환족 아민기이다.  화학식 (I)의 화합물은 다른 증후들 중에서, 천식 및 설사를 치료하기 위해 사용될 수 있다.
Patent KR-20020041437-A (KR)
IPC: F02B39/00
Filed: 1999-10-20
Abstract: 본 발명의 목적은 터보기계의 로터와 스테이터 사이에 형성된 방사상 간극에서의 유동을 냉각하기 위한 방법을 제공하는 것이며,  이 방법은 냉각효과의 측면에서 개선된 것이다.    게다가, 상기의 방법을 실현하는 장치가 단순, 저비용 및 견고함을 특징으로 한다. 
     본 발명에 따르면, 제 1 냉각유체 (29) 가 방사상 간극 (24) 에 인접한 스테이터 부분 (20) 에 수용되고,  제 2 기체상 냉각유체 (41) 가 방사상 간극 (24) 에 도입되는 것에 의해  상기한 효과가 달성된다.    이 때문에, 방사상 간극 (24) 에 인접한 스테이터 부분 (20) 의 내부에  적어도 하나의 리세스 (26) 가 형성되거나 또는 스테이터 부분 (20) 에 적어도 하나의 캐비티가 배치된다.    상기 리세스 (26) 또는 캐비티는 제1 냉각유체 (29) 를 위한 공급라인 (27) 및 배출라인 (28) 에 모두 연결된다.    게다가, 제2 냉각유체 (41) 을 위한 배출장치 (42) 및 적어도 하나의 공급통로 (40) 가 방사상 간극 (24) 에 배치된다.
Patent KR-20020070281-A (KR)
IPC: C22B19/00
Filed: 2000-10-31
Abstract: 금속 함유 광석으로부터 금속을 생물학적으로 회수하는 방법이 제공된다. 광석은 황을 선택적으로 산화하는 미생물과 접촉된다. 미생물이 광석과 접촉하기 이전, 동안, 이후 황 함유 화합물이 미생물과 혼합되어 광석으로부터 금속을 삼출하는 황산을 생성한다. 광석은 슬러리, 히프, 통내의 충진물 형태이고 광석으로부터 금속을 용해시켜 금속-농후 삼출액과 잔류물을 형성하기에 충분한 시간 동안 생물학적으로 삼출된다. 이후 금속-농후 삼출액으로부터 금속이 추출된다. 금속 함유 광석은 베이스 금속, 귀금속이나 백금족 금속을 포함할 수 있다. 금속-농후 삼출액이 형성되면 광석 잔류물이 추가 가공되어서 존재할 수 있는 귀금속이나 백금족 금속을 회수할 수 있다.
Patent KR-20030003219-A (KR)
Title: Activation and regeneration of a hydro-oxidation catalyst
IPC: C07C29/50
Filed: 2000-12-07
Abstract: A process of activating a fresh catalyst or regenerating a deactivated catalyst which is used in a hydro-oxidation process, preferably, the hydro-oxidation of an olefin in the presence of oxygen and hydrogen to an olefin oxide. The hydro-oxidation catalyst preferably comprises at least one metal selected from gold, silver, the platinum group metals, the lanthanide metals, and combinations thereof, incorporated onto a titanium- , vanadium- , or zirconium-containing support, more preferably, a titanium-containing support, such as titanium oxide or a titanosilicate. The activation or regeneration process involves contacting the fresh catalyst or the deactivated catalyst with ozone.
Patent KR-20020097159-A (KR)
IPC: B41J2/21
Filed: 2001-02-13
Abstract: This invention relates to a printhead in which a plurality of resistors are selectively activated by an external control circuit to produce the ejection of droplets of ink through nozzles located in correspondence with the resistors. Selection and activation are performed according to a matrix having a plurality of vertical lines corresponding to the number of resistors per group of nozzles and a plurality of horizontal lines corresponding to the number of groups of nozzles in the head. The groups of nozzles in the polychromatic head comprise real nozzles and fictitious nozzles, as a result of which the groups of nozzles have a regular layout, and are uniformly distributed and equivalent to the corresponding layout of a monochromatic head. With this solution, polychromatic heads having the same number and the same disposition of contacts with the external circuit and the same height as a monochromatic head can be manufactured simply.
Patent KR-20020070513-A (KR)
Title: Brake booster device, with improved operating conditions, for motor vehicle
IPC: B60T1/00
Filed: 2001-11-21
Abstract: Braking device comprising a master cylinder (2), a primary piston (3), a manual control member (4), a booster (6) coupled to the manual control member (4) and an emergency assist valve (VA) comprising a reaction piston (17) through which there passes a ratio control (T) having a head (26a) situated in a chamber (35) lying between the reaction piston (17) and a bushing (36) located further forward in a bore (18) in the primary piston, this bushing (36) having a bore (37) in which there can slide a rapid piston (38), the rear end (45) of which forms, with the head (26a) of the ratio control, a valve (C) capable of closing the inlet to a passage (39) in the rapid piston against the action of a spring (41). The device comprises a means (26, 27, 30) for preventing a sharp retreat of the reaction piston (17) when the manual control member (4) is released after slow braking.
Patent KR-20030003687-A (KR)
IPC: H04N5/74
Filed: 2001-01-30
Abstract: 전극을 구비한 한쌍의 투명기판으로 이루어진 액정셀과, 2장의 편광소자 및 하이브리드-배향된 액정층으로 이루어진 2장의 광학이방층으로 이루어진 액정 셔터부를 구비한 프로젝터에 있어서, 상기 2장의 광학이방층이 2장의 편광소자 사이에 배치되고, 한쪽의 광학이방층의 칠드방향과 다른쪽 광학이방층의 칠드방향과 이루는 각도가 85°내지 100°가 되도록 배치되므로써, 액정 프로젝터의 장치를 대폭적으로 변경하지 않고서도 표시 콘트라스트가 대폭적으로 개선된 액정 프로젝터를 얻을 수 있다.
Patent KR-20030043787-A (KR)
IPC: H04L27/38
Filed: 2001-02-12
Abstract: 본 발명은 한 쌍의 직접 디지털 합성기(DDS) 회로를 갖는 직교 진폭 변조(QAM)형 복조기에 관한 것이다. 제1 DDS 회로(30)는 수신 필터(40) 앞의 기저 대역 변환 회로에 위치되어, 수신 필터 밴드폭 내의 신호를 디지털 방식으로 동조시킨다. 제2 DDS 회로(545)는 수신 필터(40) 뒤에 위치된 반송파 복원 회로(50) 내에서 신호 위상을 미세하게 동조시키는 작용을 한다.
Patent KR-20020092461-A (KR)
Title: 건축용 외장재를 사용한 건조물
IPC: E04D13/16
Filed: 2000-05-01
Abstract: 시공작업을 간략화하여 시공성을 높일 수 있음과 동시에, 건조물의 모든 개소에 적용할 수 있고, 또, 건조시에 걸리는 코스트를 대폭으로 삭감하는 것이 가능한 건축용 외장재를 사용한 건조물을 제공하는데 있다. 
     심재(3)를 강판제의 외측패널(5)과 내측패널(6)로 피복하여 외장재(2)를 구성하고, 이 외장재(2)를 건조물(1)의 프레임, 및 인접하는 외장재(2)에 대하여 접속한 건축용 외장재를 사용한 건조물이다.
Patent KR-20030007841-A (KR)
IPC: B25J5/00
Filed: 2002-04-02
Abstract: 계층형 리카렌트·뉴럴·네트워크를 이용해서 학습형 운동제어를 행한다.  인간의 교시작업에 의해 주어진 운동 패턴을, 계층형 리카렌트·뉴럴·네트워크에 의해 자동적으로 시계열 분절하고, 그것들을 조합해서 기체의 운동제어를 행함으로써, 다양한 운동 패턴이 생성 가능해진다.  시계열 분절화에 의해, 국소적인 시계열 패턴과 그것들을 조합한 대국적 패턴이 생성된다.  운동 패턴은, 기체의 정적 안정성이나, 동적 안정성의 지표인 ZMP 안정규범을 충족시키는 등, 제어 안정성이 보증되어 있다.
Patent KR-20030058944-A (KR)
IPC: C07D235/02
Filed: 2001-06-22
Abstract: 본 발명은 하기 일반식 (IV)의 신규 4-알콕시-사이클로헥산-1-아미노-카복실산 에스테르, 그의 제조를 위한 중간체 및 제조방법, 및 살충, 살비 및 제초성 화합물 또는 약제학적 활성 화합물을 합성하는데 중간체로서 사용하기 위한 그의 용도에 관한 것이다: 
     
       
     
     상기 식에서, 
     R 1 및 R 2 는 명세서에 정의된 바와 같다.
Patent KR-20040065784-A (KR)
Inventor: CHO GYU BONG
IPC: F28F11/00
Filed: 2003-01-16
Abstract: PURPOSE: An apparatus for attaching seals for a heat exchanger is provided to improve the productivity by automatically attaching seals to a heat exchanger. CONSTITUTION: A seal supply unit(100) supplies accumulated seals one by one. A seal arranging unit(200) puts the supplied seals at regular positions and arranges the seals. An adhesive apply unit(400) applies an adhesive to one surfaces of the seals transferred from the seal arranging unit. A seal attaching unit(600) attaches the adhesive-applied seals to a heat exchanger. A heat exchanger supply unit(500) supplies the heat exchanger to the seal attaching unit. A heat exchanger display unit(700) is formed under the seal attaching unit for discharging the seal-attached heat exchanger.
Patent KR-20040066501-A (KR)
Title: Leather belt comprising electrical heating wire and coolant material
Inventor: SON YOUNG SUK
IPC: A41F9/00
Filed: 2003-01-18
Abstract: PURPOSE: A leather belt comprising electrical heating wire and coolant material is provided to make the appropriate regulation of the temperature inside the leather belt corresponding to the atmospheric conditions, such as temperature, etc. changing according to four seasons possible. CONSTITUTION: The leather belt comprising electrical heating wire and coolant material includes; an artificial intelligence computer processor and chip which controls each equipment of the circuit of the leather belt(1); an electrical heating wire of a heating element; a cooling material, such as a coolant material used for astronaut's clothes; a checking device of the outer air temperature and humidity; a battery for supplying power to the each equipment; a sensor box for the automatic controlling of the temperature inside the leather belt(1); and a fire extinguisher configured in one side inside and outside the leather belt(1).
Patent KR-20030014742-A (KR)
Inventor: PARK MOO KUN
IPC: F23G5/14
Filed: 2003-01-20
Abstract: PURPOSE: A half carbonization incinerator for a gas furnace equipped with a counteragent supply unit is provided to reduce manufacturing cost by simplifying a traditional half carbonization incinerator and to make easy maintenance and repair of a rostol. CONSTITUTION: A half carbonization incinerator for a gas furnace(7) equipped with a counteragent supply unit includes a counteragent chamber(12); a counteragent supply unit(13); an air compressor(18) and a water cooling cyclone dust collector(20). The counteragent chamber is laid in the middle of the gas furnace. Counteragent injection nozzles are installed to the counteragent chamber. The counteragent supply unit is installed to an outer surface of the gas furnace. A counteragent supply pipe(13a) is equipped to the counteragent supply unit to supply powder counteragent connecting to the counteragent chamber. The air compressor is installed to the counteragent supply pipe. The air compressor injects powder counteragent into the gas furnace through a counteragent injecting nozzle(12a). The water cooling cyclone dust collector is installed between the cyclone dust collector(10) and a smoke stack(11) by a connecting pipe(21). A cooling water tank(19) is installed to a lower portion of the water cooling cyclone dust collector. Therefore, the half carbonization incinerator is simplified. An air chamber and a nozzle combination are combined to be attached and detached. Therein, maintenance and repair of a rostol is easy.
Patent KR-20030015333-A (KR)
Inventor: LEE HAN WOO
IPC: A23L11/20
Filed: 2003-01-21
Abstract: PURPOSE: A method for preparing fermented functional foods and fermented soybean products such as chungkukjang and mejoo by using exhaust heat from a charcoal kiln or waste heat is provided, thereby minimizing bad smell of fermented soybean products and improving a taste, nutrients and storageability. CONSTITUTION: The method for preparing fermented functional foods and fermented soybean products such as chungkukjang and mejoo by using exhaust heat from a charcoal kiln or waste heat comprises the steps of: boiling soybeans for chungkukjang and mejoo in a pot; cooling a combustion chamber of the charcoal kiln; and placing the boiled soybeans for chungkukjang and mejoo in a place connected to the combustion chamber and fermenting them for a certain time, wherein the purified pyroligneous liquid is optionally added into the fermented soybean products.
Patent KR-20040068817-A (KR)
Inventor: KIM DONG HAN
IPC: F24F1/00
Filed: 2003-01-27
Abstract: PURPOSE: A curtain assembly of an integrally assembled air conditioner is provided to prevent air leak, and to install the curtain easily by fixing the end of the curtain to the curtain frame in folding and fitting the curtain to the curtain frame. CONSTITUTION: A curtain assembly is composed of a curtain(720) folding and having plural hard flat parts(721) and soft bent parts(722) connecting to the flat parts, and a curtain frame(710) installed in an air conditioner to mount and guide the curtain by folding. The curtain frame is composed of a vertical bar(711) as high as the air conditioner, and horizontal bars(712) extended and formed perpendicularly in the upper part and the lower part of the vertical bar and composed of a guide channel for guiding the curtain. A fitting piece(711') is formed in the vertical bar to fasten the end of the curtain, and a curtain insertion hole(714) is formed in the horizontal bar to insert the curtain to the curtain frame.
Patent KR-20040070601-A (KR)
Inventor: HAN GYEONG SU
IPC: H01L21/00
Filed: 2003-02-04
Abstract: PURPOSE: An apparatus for preventing a dry state of chemicals on a wafer is provided to consult a user's convenience by exchanging easily ultra pure water within a bath. CONSTITUTION: A handle(11a) and plural rollers(11b) of an ultra pure water cart(10) are installed at one side and a lower side of a main body(11). A plurality of baths(12) are formed on an upper part of the main body in order to load a wafer cassette and store ultra pure water. A first valve is installed at the baths in order to drain the ultra pure water. An ultra pure water collection region is formed at a lower side of the main body. A cart station(20) includes a cart zone(21) having a tub(21b) for storing and draining the ultra pure water, an ultra pure water supply tower(22) projected to one side of the cart zone, an ultra pure water supply nozzle(23) for supplying the ultra pure water to the baths of the ultra pure water cart, and an ultra pure water supply switch(24) for operating a second valve.
Patent KR-20040071357-A (KR)
Inventor: KANG HUN
IPC: B65H3/52
Filed: 2003-02-05
Abstract: PURPOSE: A paper-feeding apparatus having an active paper-friction device in an office machine is provided to prevent paper inferiority due to pause of conveyance for paper, or conveyance of several paper when picking up paper by installing the active paper-friction device. CONSTITUTION: A paper-feeding apparatus having an active paper-friction device in an office machine includes a frame(111) and a pick up roller(134). The frame includes a paper stacking table, or a paper feeding tray. The pick up roller is installed on an upper side of the frame(111). The pick up roller(134) includes a conveying part. The active paper-friction includes a friction part and a driving part. The friction part is installed with a predetermined angle such that the friction part supports a front end part of paper. The driving part is installed such that the friction part is rotated by the driving part. The friction part includes a friction belt and a first pulley and a second pulley. The friction belt includes rubber such that the friction belt easily generates friction with respect to a front end.
Patent KR-20040071436-A (KR)
Inventor: CHOI SEUNG YEOL
IPC: E04B7/10
Filed: 2003-02-06
Abstract: PURPOSE: A device for finishing/fixing a membrane structure and controlling tensile force is provided to cut down the cost required for re-construction and to construct a membrane without wrinkles using even tensile force. CONSTITUTION: The device for finishing/fixing a membrane structure and controlling tensile force comprises: a tension strutting fixture(20) fixed to a structure(10) where a membrane(12) is fixed; a tension controlling bolt(30) interposed to the tension strutting fixture(20); a pair of clamp plates(40A) clamped with the membrane(12) on the end of the membrane(12) using a fastener(42) and attached with a tensioning bracket screwed on the tension controlling bolt(30) to fix with the tension controlling bolt(30); and a lubricating pad(60) made of rubber to prevent the damage by tensile friction between the membrane(12) and the structure(10) when the membrane(12) is tensioned.
Patent KR-20040072013-A (KR)
Inventor: SIM DAE GUN
IPC: E06B3/78
Filed: 2003-02-07
Abstract: PURPOSE: A plastic panel for a door is provided to manufacture easily by selecting various patterns and various colors easily and to cut down the manufacturing cost by manufacturing a plastic panel for a door simply and easily. CONSTITUTION: The plastic panel for a door comprises: a flat board(20) adhered with a printing film(10) provided with a printed layer printed with patterns and colors and made of flat plastics; and a solid shape part(21) unified with the flat board(20) and made of plastics. The manufacturing method for a plastic panel comprises the steps of: preparing a plastic panel joined with a printing film(30) provided with a printed layer and joined to an outer plane; shaping a solid covering part(50) composed of a covering plane formed by adjoining closely to an outer plane(21-a) of the solid shape part(21) and a space(50-s) covered by the covering plane; and joining the covering plane of the solid covering part(50) to the outer plane(21-a) of the solid shape part(21) using adhesives(60).
Patent KR-20040072250-A (KR)
Inventor: LIM GWANG YEONG
IPC: G08G1/123
Filed: 2003-02-10
Abstract: PURPOSE: A material control system is provided to improve a return efficiency in a working line by receiving the work information influencing a return work in real-time. CONSTITUTION: A return command manager(20) manages the information for an actual layout, and the periodically received real-time information for the load and the waited work number of an automatic warehouse for each link, and transfers data when a near module requests the data. An optimal return path generator(30) calculates an expected return time through modeling by receiving the layout information and periodically receiving the real-time work information from the return command manager, and selects a return path having the shortest expected return time as the optimal return path from results. A return command executer(40) requests the path search to the optimal return path generator by receiving a return command of process unit from the return command manager, and makes a return equipment control system(50) execute the return by receiving the result.
Patent KR-20040072777-A (KR)
Inventor: BAEK SONG JUN
IPC: A23G9/04
Filed: 2003-02-11
Abstract: PURPOSE: A method of preparing iced ripe and soft persimmons by quickly freezing a ripe and soft persimmons whose astringency has removed is provided. It permits long-term preservation of the iced persimmons having excellent hardness at low cost. CONSTITUTION: The iced ripe and soft persimmons are prepared by the following process consisting of: introducing astringent persimmons into a closed drying furnace and then spraying ethanol having a purity of 35 to 40% thereon; introducing carbon dioxide having a purity of 90% or more into the closed drying furnace and then maintaining the inner pressure of the drying furnace at 0.5kg/cm¬2 or more; raising the temperature of a working chamber to 35 to 45deg.C and then maintaining the temperature for 5 to 6hr; removing carbon dioxide from the working chamber, lowering the temperature of the working chamber to 25 to 35deg.C and maintaining the temperature for 10 to 12hr.
Patent KR-20040073691-A (KR)
Inventor: LEE GI YEONG
IPC: H01L27/04
Filed: 2003-02-14
Abstract: PURPOSE: A method for fabricating a semiconductor device having an MIM(Metal-Insulator-Metal) capacitor and a via contact is provided to prevent the performance deterioration due to an RF etch process by performing a process for filling up a via contact hole and a process for forming a metal layer on a dielectric layer. CONSTITUTION: The first metal layers(810,910) for a via contact and a capacitor bottom electrode are formed on the first interlayer dielectric(700). The first capping layer(710) is formed on the first interlayer dielectric and the first metal layers. The second interlayer dielectric(720) is formed on the first capping layer. The first trench is formed by removing the second interlayer dielectric. The second metal layer(930) is formed to fill up the trench. The second capping layer is formed on the second interlayer dielectric and the second metal layer. The third interlayer dielectric(750) is formed on the second capping layer. A via contact and the second trench are formed to expose partially eached surface of the first and the second metal layers of the first and the second regions. The third metal layer(960) is formed to fill up the via contact hole and the second trench.
Patent KR-20040075996-A (KR)
Inventor: KWON UI TAEK
IPC: F24H1/20
Filed: 2003-02-24
Abstract: PURPOSE: An electric boiler having a heating-water tank and a hot-water tank separately is provided to quickly heat water in the tanks, and to improve thermal efficiency. CONSTITUTION: An electric boiler is composed of a heating-water tank(10) for supplying heating water, a hot-water tank(20) for supplying hot water, and two electric heaters(30). The electric heaters are installed in the heating-water tank and the hot-water tank, respectively, and heat water in the tanks.