baber/WOPTO huggingface dataset:
Patent KR-20000040804-A (KR)
Title: Preparation method of barium titanate and perovskite-type complex oxide
Inventor: KIM SUNG EUN
IPC: C01G23/053
Filed: 1998-12-19
Abstract: PURPOSE: Methods for preparing barium titanate (BaTiO3) and Perovskite-type complex oxide are provided, to improve its composition and uniformity in size. CONSTITUTION: Barium titanate is prepared by adding liquid ammonia to 0.5-2.0 mol/L of the titanium chloride solution to prepare hydrogenated titania; mixing the hydrogenated titania with 0.5-2.0 mol/L of the aqueous solution of barium nitrate or barium chloride to prepare sludge; spray-drying or lyophilizing the sludge to obtain granule having the mean size of 10-100 micrometers; cracking the granule at the temperature of 650-1,200°C; and pulverizing the cracked one. Perovskite-type complex oxide (ABO3 type) is prepared by adding liquid ammonia to the aqueous solution containing B element to prepare the mixed hydrate; mixing the hydrate with the aqueous solution containing A element to prepare sludge; spray-drying or lyophilizing the sludge to obtain granule; cracking the granule; and pulverizing the cracked one. Preferably the A element is selected from Sr, Ca, Mg, Pb and Ba and the B element is selected from Ti, Zr, Hf and Sn.
Patent KR-20000042008-A (KR)
Title: Method of manufacturing molten metal with ferrite structure
Inventor: SEO DONG HAN
IPC: C21D8/00
Filed: 1998-12-24
Abstract: PURPOSE: A method of manufacturing molten metal with a ferrite structure is provided to have high strength of 65kgf/mm¬2 as well as to meet the demand of molten metal. CONSTITUTION: An alloy steel consists of, by weight %: 0.05-0.2% of C, 0-0.5% of Si, 0.9-1.8% of Mn, 0.08-0.12% of Ti, 0.03-0.08% of V, 0.005-0.01% of N, Fe and incidental impurities. The alloy steel is casts to a steel ingot, and then the steel ingot is heated at a temperature of 1100-1300°C. The steel ingot is rolled at a rolling rate of not less than 50% at an austenitic recrystallization temperature of 850-1000°C. Ferrite is formed by rolling the steel sheet at a rolling rate of not less than 50% at a temperature of 700-850°C and annealing the steel sheet. The steel sheet is rolled at a rolling rate of not less than 50% again to recrystallize the ferrite, and finally cooled down to the normal temperature of 1-10°C.
Patent KR-20000042404-A (KR)
Title: Fabrication method of semiconductor memory cell
Inventor: HWANG CHI SEON
IPC: H01L21/77
Filed: 1998-12-24
Abstract: PURPOSE: A fabrication method of a semiconductor memory cell is provided to enable a simultaneous etching of an active region and a field region during an etching process for forming plug self-align contacts. CONSTITUTION: In a fabrication of a semiconductor memory cell, gates(12) and sidewall spacers thereof are formed on a substrate, and then a first dielectric layer is formed thereon. Next, plug self-align contacts(SACs)(15) are formed within an active region, and first polysilicon contacts are formed in the plug SACs(15). Then, a second dielectric layer is deposited and selectively etched to form second polysilicon contacts(18). Next, a second polysilicon layer(19) and a dummy layer are successively formed on overall surfaces. Subsequently, third polysilicon contacts(21) are formed from the dummy layer to the second dielectric layer, penetrating the second polysilicon layer(19). Then, spacers are formed on sidewalls of the third polysilicon contacts(21), and a polysilicon fills the third contacts(21). Next, an insulating layer is formed on overall surfaces, and a third polysilicon contacts are formed. Then, a third polysilicon layer(24) is formed in the third contacts.
Patent KR-20000042546-A (KR)
Title: Cable modem
Inventor: KIM JONG HAN
IPC: H04L7/00
Filed: 1998-12-26
Abstract: PURPOSE: A cable modem is provided to be able to telecommunicate data more rapidly by modulating and demodulating data by an innate pseudo random noise(PN) code comprised in the cable modem. CONSTITUTION: A cable modem comprises a modulation part(300), a first multiplexer(310), a PN code generating part(320), a second multiplexer(330), and a multiplication part(340). The modulation part(300) modulates data so as to be transmitted through a cable. The first multiplexer(310) converts a bit having a value of '0' of output data bits into a bit having a bit of a value of '-1'. The PN code generating part(320) generates a PN code of predetermined bits. The second multiplexer(330) converts a bit having a value of '0' of the PN code into a bit having a bit of a value of '-1'. The multiplication part(340) multiplies outputs of the first and second multiplexers(310,330).
Patent KR-20000044360-A (KR)
Title: Method for managing subscriber port state
Inventor: JEONG BONG GYUN
IPC: H04L12/24
Filed: 1998-12-30
Abstract: PURPOSE: A method for managing a subscriber port state, is provided to prevent an unnecessary action of a system, caused by a subscriber who is not provisioned actually, and to prevent a mismatch on the subscriber port state between an AN system and a local exchange(LE) system. CONSTITUTION: A method for managing a subscriber port state, in a method of a full port unblock process of a startup flow between an AN system and a local exchange(LE) system according to an integrated digital loop carrier(IDLC) V5.2 protocol, comprises the steps of: transiting only a real subscriber, subscriber provisioned just before starting the both systems, into a port unblock state; executing an unblock flow of an individual port, referred to the provisioned subscriber; transmitting a request of the full port unblock to a port management task of the AN system, as the control task of the AN system interfaces for a port block/unblock process with a control task of the LE system; detecting a provisioned port, as a port management task tests a subscriber port database; making a start port number and an end port number of a provisioned port interval as a parameter; calling a partial port unblock function defined on a public switched telephone network(PSTN) task of the system(S6); and transiting into the port unblock state, with the PSTN task executing a corresponded routine of the port interval according to the call in the S6.
Patent KR-20000044982-A (KR)
Title: Liquid cleanser composition for tableware cleansing
Inventor: JEONG KUK IN
IPC: C11D1/00
Filed: 1998-12-30
Abstract: PURPOSE: A liquid cleanser composition for tableware cleansing is provided which shows excellent washing power and bubbling power and decreases irritation to the skin. CONSTITUTION: A liquid cleanser composition for tableware cleansing comprises: (i) 1.0-30.0 wt.% of alkylpolyglycoside of the following formula 1(F1(R1O(R2O)t(G)x), where R1 is alkyl group having 10-20 carbon atoms, R2 is alkyl group having 2-4 carbon atoms, G is the remainder of saccharide having 5-6 carbon atoms, t is 1-25, and x is 1-10; (ii) 1.0-30.0 wt.% of alkylamidoamineoxide of the following formula 2, where R1 is alkyl group having 8-18 carbon atoms, and R2 and R3 are alkyl group having 1-5 carbon atoms or hydroxy alkyl group having 1-5 carbon atoms; and (iii) 40.0-98.0 wt.% of ion-exchange water.
Patent KR-20000045157-A (KR)
Title: Device for controlling position of rearview mirror for vehicle
Inventor: JANG JI SEONG
IPC: B60R1/00
Filed: 1998-12-30
Abstract: PURPOSE: A position controller of rearview mirror in a vehicle is provided to electrically and automatically control a position of a rearview mirror with a simple input of key by storing the position of the rearview mirror as an original positional value suited to a driver. CONSTITUTION: An inputting unit of key(202) is equipped with a storing key and a controlling key. The inputting unit of key(202) is installed in a part reached a driver's hand in a sat state. When a driver push the storing key by manually controlling a position of a rearview mirror suited to a self figure at first, a control unit(206) stores in a storing unit(204) by checking a present positional value. When the controlling key(202) is pushed after another driver travels a vehicle, the control unit(206) feeds to a positional driving unit of rearview mirror(200) by reading the stored positional value of rearview mirror stored in the storing unit(204). The positional driving unit of rearview mirror(200) drives the present positional value of rearview mirror suited to the positional value of rearview mirror fed from the control unit(206). The positional value of rearview mirror is decided according as a left, a right, a upper and a lower parts of the rearview mirror has an angle of some degree about a vertical line and a horizontal line.
Patent KR-20000045234-A (KR)
Title: Method for manufacturing capacitor of semiconductor device
Inventor: SEON JEONG MIN
IPC: H01L27/04
Filed: 1998-12-30
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor device is provided to constantly maintain the quality of the capacitor by adding a metal to a platinum, in which the metal makes a solid solution with respect to the platinum, thereby forming a lower electrode. CONSTITUTION: A lower electrode(21) is formed by adding a metal to a platinum. The metal makes a solid solution in relation to the platinum. A dielectric film(22) having a high dielectric feature is formed on the lower electrode(21). An upper electrode(23) is formed on the dielectric film(22). The upper electrode(23) is also made by adding a metal to a platinum in which the metal makes a solid solution in relation to the platinum. The metal includes Ta, Ti, Hf, Nb, Zr, and Ar.
Patent KR-20000045425-A (KR)
Title: Method for fabricating fine pattern
Inventor: PARK SEONG NAM
IPC: H01L21/027
Filed: 1998-12-30
Abstract: PURPOSE: A method for fabricating a fine pattern is provided to be capable of forming a fine pattern by etching a substrate after forming a fine photoresist pattern using a photo bias difference at exposing a photoresist pattern. CONSTITUTION: A method for fabricating a fine pattern comprises forming a photoresist layer of a positive type on an oxide layer(3) which is formed on a semiconductor substrate(1). A first exposure is performed so as to have a predetermined width between unexposed portions(7). The exposed portion of the photoresist layer is removed. A photoresist layer of a negative type is deposited on a resultant structure. A second exposure is performed so as to have a fine interval between the photoresist pattern of a positive type and an exposed portion of the negative photoresist layer according to a photo bias. The negative photoresist layer is developed excessively so as to remove a topology between the positive photoresist pattern(7) and the negative photoresist pattern(11). The oxide layer(3) is etched by using the patterns(7,11) as a mask.
Patent KR-19990036245-A (KR)
IPC: H01S3/23
Filed: 1996-07-05
Abstract: PCT No. PCT/FR96/01060 Sec. 371 Date Jan. 22, 1998 Sec. 102(e) Date Jan. 22, 1998 PCT Filed Jul. 5, 1996 PCT Pub. No. WO97/07578 PCT Pub. Date Feb. 27, 1997A laser source has two or more laser units and coupling means for coupling the laser beams from each unit so as to deliver a resulting beam for treating a surface. Concurrently with the laser surface treatment, the characteristics of the laser beam from each unit are adjusted to produce a resulting laser beam with a time profile of energy optimally adapted to said laser surface treatment. Homogenizing means homogenize the energy distribution of the resulting laser beam, so that the energy and spatial distribution of said resulting laser beam are concurrently adapted for the selected surface treatment.
Patent KR-19990064249-A (KR)
IPC: F02B27/02
Filed: 1996-07-04
Abstract: PCT No. PCT/EP96/02946 Sec. 371 Date Oct. 22, 1998 Sec. 102(e) Date Oct. 22, 1998 PCT Filed Jul. 4, 1996 PCT Pub. No. WO97/15755 PCT Pub. Date May 1, 1997An intake manifold for an internal combustion engine in which the intake manifold includes at least one flange for attachment to the engine, at least two intake tube elements, and a manifold chamber communicating with the intake tube elements, the manifold chamber being subdivided by a separator or dividing element into at least two communicating compartments.
Patent KR-19990082619-A (KR)
Title: 자화성 결합제-함유 층의 비자성 기재로의 압출 도포기에 의한도포 장치
IPC: B05C5/02
Filed: 1997-02-17
Abstract: 본 발명은 압출 도포기의 배출 슬롯에 대향하여 배치되고 연성 철 스트립에 의해 굽어서 피복된 자석에 의해 최적화되는, 자성 분산액을 비자성 기재에 도포하기 위한 장치에 관한 것이다.  연성 철 스트립의 입구 연부는 배출 슬롯에 사실상 대향하여 배치되어 있다.  연성 철 스트립의 전면의 구부러진 가이드 부재에 의해 도포하는 동안 기재의 활주 거동이 개선된다.
Patent KR-19990087201-A (KR)
Title: 접이식 나비 넥타이 안테나
IPC: H01Q1/38
Filed: 1997-02-27
Abstract: 작은 크기의 광대역 안테나는 근접하게 이격된 긴 전도성 소자를 사용하고, 상기 전도성 루프는 자체의 길이상의 중점에 위치되는 한쌍의 피딩 포인트를 가지며, 상기 전도성 루프는 전체 VHF 및 UHF 주파수 대역에 대한 수신을 제공하기 위해 나비 넥타이 구조를 형성한다.
Patent KR-20000016803-A (KR)
Title: Adaptive capacity and quality improvements in cellular radio services by removal of strong interference sources
Inventor: SHKLARSKY DAN
IPC: H04B17/00
Filed: 1997-06-10
Abstract: PURPOSE: A method is provided for increasing capacity or capacity of a cellular radio telephone system, in which one cell is a member of more than one reuse group. CONSTITUTION: A network is divided into many reuse patterns. In a uplink or a downlink, A call us identified and the call is associated with adjacent cells thereof according to potential interference of the call. The potential interference risk due to each calling subscriber is assessed. The subscriber is assigned to an appropriate reuse group in which he will not be an interferer. The method may alternatively be used for the improvement of quality of service, i.e., providing reduced probability of interference.
Patent KR-20000022222-A (KR)
Title: Substituted 3,5-diphenyl-1,2,4-triazoles and their use as pharmaceutical metal chelators
Inventor: ACKLIN PIERRE
IPC: A61P39/04
Filed: 1997-06-24
Abstract: PURPOSE: 3,5-Diphenyl-1,2,4-triazoles of formula (I) have useful pharmaceutical properties and are particularly active as iron chelator. They can be used for the treatment of an iron overload in the body of warm-blooded animals. Certain of these compounds are novel. CONSTITUTION: A compound of formula I in which R1 and R5 simultaneously or independently of one another are hydrogen, halogen, hydroxyl, lower alkyl, halo-lower alkyl, lower alkoxy, halo-lower alkoxy, carboxyl, caramel, N-lower alkylcaramel, N,N-di-lower alkylcaramel or nitrile; R2 and R4 simultaneously or independently of one another are hydrogen, unsubstituted or substituted lower alkanoyl or aroyl, or a radical which can be removed under physiological conditions; R3 is hydrogen, lower alkyl, hydroxy-lower alkyl, halo-lower alkyl, carboxy-lower alkyl, lower alkoxycarbonyl-lower alkyl, R6R7N-C(O)-lower alkyl, unsubstituted or substituted aryl or aryllower alkyl, or unsubstituted or substituted heteroaryl or heteroaralkyl; R6 and R7 simultaneously or independently of one another are hydrogen, lower alkyl, hydroxy-lower alkyl, alkoxy-lower alkyl, hydroxyalkoxy-lower alkyl, amino-lower alkyl, N-lower alkylamino-lower alkyl, N,N-di-lower alkylamino-lower alkyl, N-(hydroxy-lower alkyl)amino-lower alkyl, N,N-di(hydroxy-lower alkyl)amino-lower alkyl or, together with the nitrogen atom to which they are bonded, form an azaalicyclic ring; and salts thereof; for use in the treatment of diseases which cause an excess of metal in the human or animal body or are caused by it.
Patent KR-20000050972-A (KR)
Inventor: KIM YEONG WOO
IPC: B60T8/00
Filed: 1999-01-16
Abstract: PURPOSE: An electromagnet for a vehicle is provided to miniaturize an electromagnet of power source for braking and to reduce a diameter of a coil influencing an operation time. CONSTITUTION: An electromagnet for a vehicle contains the following characteristics: a subsidiary opening (S) is formed between a side cover (2) and a flanger (3) and generates the absorbing force together with a main opening (M) between the flanger and a core (4) when a core is excited, where the subsidiary opening has a slope and a step form.
Patent KR-20000051329-A (KR)
Inventor: PARK JUN CHAN
IPC: G03B33/12
Filed: 1999-01-20
Abstract: PURPOSE: An apparatus for color composition of a reflective type display is provided to make an easy design of a projection lens as adequately reducing size of a BFL and a non-axis angle. CONSTITUTION: An apparatus for color composition of a reflective type display includes a reflective type displaying device(12,22,32), a color cube(13), a TIR prism(11,21,31), and a projection lens(14). The reflective type displaying device reflects R, G, and B color lights. The color cube sums the R, G, and B color lights. The TIR prism has a prism angle of 37°C-38°C, makes a transmission of the R, G, and B color lights incident of 39°C-40°C and transmits to the reflective type displaying device, and totally reflects the R, G, and B color lights reflected from the reflective type displaying device and transmits to the color cube. The projection lens makes a transmission of the light summed in the color cube and focuses on the screen.
Patent KR-20000051847-A (KR)
Inventor: CHUN YOUNG CHAN
IPC: H02G3/04
Filed: 1999-01-27
Abstract: PURPOSE: A multiple extruder-type optical cable duct is provided to extend the length of cable by linking an optical duct unit which is a uniformly extruded duct from external unit and inner unit by using a coupler or a socket. CONSTITUTION: A multiple extruder-type optical cable duct includes the following steps. An external unit(3) and an inner unit(2) are extruded instead of being profile extruded. Accuracy and an advanced epicenter are acquired by the process. A rotation preventive unit(14) is set at the part where external unit(3) and inner unit(2) contact so as to prevent inner unit(2) from rotating inside an external unit(3). A series of optical duct units(10) are linked to one another toward the direction of the length. The series of optical duct units(10) are set more accurately and easily.
Patent KR-20000059315-A (KR)
Inventor: KIM WON U
IPC: H01L21/68
Filed: 1999-03-02
Abstract: PURPOSE: A chamber for fabricating a semiconductor is to prevent a contaminant attached to a shield of the chamber from being fallen on a working face of a wafer, thereby preventing the contaminant from being attached on the wafer. CONSTITUTION: A chamber(100) for fabricating a semiconductor comprises a base(190) provided with an inner space with an opening directed downward and an electrostatic chuck(180) for fixing a wafer(200) so that a working face of the wafer is directed downward to the opening, a cover(120) engaged from a lower portion of the base with the base to close the opening and hermetically seal the inner space of the base, and a shield(140) coupled to an inside portion of the cover. In the chamber, a by-product produced in a treating process of the wafer is fallen to the shield by a free falling. The wafer is transferred to the electrostatic chuck by an arm.
Patent KR-19990046402-A (KR)
Title: 언어학습을위한대화형멀티미디어매체
IPC: G09B5/14
Filed: 1999-03-04
Abstract: 본 발명은 언어학습을 위한 대화형 멀티미디어 매체(The Multimedia Medium with Interview Style for Language Learning)에 관한 것으로, 언어 학습을 희망하는 학습자는 본인의 희망에 따라 학습을 지도해 줄 대상자를 본인이 직접 선택할 수 있으며, 학습 지도 방식도 주입식이 아닌 대화 형태로 진행이 되고, 학습 내용인 대화 내용도 본인이 직접 선택하는 것으로, 학습자가 선택한 대화자의 얼굴을 매체의 종류에 따라 TV와 컴퓨터 모니터를 통하여 크게 부각시켜 혼자서 언어를 학습할 수 있는 멀티미디어 매체이다. 
     따라서, 본 발명은 비디오 매체의 경우에서는 학습자가 원하는 대화자를 선택하여 학습할 수 있으며, 컴퓨터를 이용한 CD 매체일 때는 카메라를 활용하여 학습자의 얼굴이 화면에 편집되어 좋아하는 대화자와 대화하는 형태를 구성할 수 있으므로 학습의 능률은 물론이며 흥미를 유발할 수 있는 매우 유용한 것이다.
Patent KR-20000066393-A (KR)
Inventor: CHOI JAE GON
IPC: H04B5/04
Filed: 1999-04-16
Abstract: PURPOSE: A method for transferring voice messages in the paging system is provided so that children sense received contents without the necessity of confirming their pagers by directly outputting the formalized voice messages, appointed by transmitters, through their pagers. CONSTITUTION: If a transmitter makes a phone call to the number of a pager so that message contents transmitted by him can be outputted as voice messages through the pager, a paging system broadcasts each formalized sentence having a settled number. If a receiver selects one of the settled numbers in the formalized sentences, an information voice message is broadcasted to confirm the transmitter's identity. Then, the contents of the formalized sentences are outputted as voice messages through the speaker of the pager. Various icons and characters corresponding to the voice messages are displayed on the LCD screen of the pager at the same time.
Patent KR-20000066492-A (KR)
Inventor: LEE MAN TAEK
IPC: A47K1/00
Filed: 1999-04-16
Abstract: PURPOSE: A neck rest for a washing stand of a beauty shop is provided to support the neck of a user stably according to the outline thereof by enhancing absorption of a pad and changing the shape of the flexible pad when the neck is put on the pad. CONSTITUTION: A neck rest portion(21) is mounted in the front center of a washing stand(20) to be recessed downward. A pad(10) is inserted into the neck rest portion(21) to set the neck of a user on the inner side of the washing stand and to support the neck. The pad(10) consists of rubber or synthetic vinyl and includes a space portion(11) to have absorption. The space portion(11) is filled with an absorbing material such as liquid or gas. Thus, the pad(10) keeps a specific volume.
Patent KR-20000067115-A (KR)
Inventor: KIM SEON UNG
IPC: H05B33/00
Filed: 1999-04-23
Abstract: PURPOSE: An organic electroluminescent display device and a fabrication method of the same are provided to decrease light reflection, light leakage and light interference to assure the image quality of the display device. CONSTITUTION: A fabrication method of organic electroluminescent display device comprises steps of; forming black matrixes to define unit pixel on a glass substrate; forming an insulation film on the substrate; forming anodes on both sides of the black matrix; forming data bus lines contacted to the anodes on the insulation film; forming an organic electroluminescent display layer; forming a metal layer for a cathode on the display layer; patterning the metal layer and the display layer to form cathodes; and forming passivation layers on the cathodes.
Patent KR-19990083498-A (KR)
Title: 링오실레이터형전압제어발진기
IPC: H03K3/354
Filed: 1999-04-27
Abstract: 전압 제어 발진기는 발진 주파수에 대응한 선택 신호가 공급되는 복수의 유닛 회로가 종속 접속되어 구성된다.  상기 각각의 유닛 회로는 전압 제어 지연 회로, 선택 회로 및 가산 회로를 구비하고 있다.  상기 선택 회로는, 제1 입력 단자에 상기 전압 제어 지연 회로의 출력 신호가 공급되고, 제2 입력 단자에 선택 신호가 공급된다.  상기 가산 회로는, 제1 입력 단자에 상기 선택 회로의 출력 신호가 공급되고, 제2 입력 단자에 다음 단의 유닛 회로로부터 귀환 신호가 공급되며, 제3 입력 단자에 선택 신호가 공급된다.  상기 가산 회로는 상기 제1 및 제2 입력 단자에 공급된 신호를 가산하여 귀환 신호를 생성한다.  각각의 유닛 회로 내의 전압 제어 지연 회로의 출력 신호는 순차 다음 단의 유닛 회로 내의 전압 제어 지연 회로에 공급된다.  선택 신호로 선택된 유닛 회로 내의 전압 제어 지연 회로의 출력 신호는 선택 회로를 통해 가산 회로에 공급되고, 이 가산 회로의 출력 신호를 순차적으로 이전 단의 유닛 회로 내의 가산 회로에 공급하고, 초단의 유닛 회로 내의 가산 회로로부터 출력되는 귀환 신호를 상기 유닛 회로 내의 전압 제어 지연 회로의 입력 단자에 귀환한다.
Patent KR-19990087971-A (KR)
Title: 액정표시장치및그제조방법
IPC: H01L29/78
Filed: 1999-04-27
Abstract: 본 발명의 과제는 박막 트랜지스터를 갖는 액정 표시 장치에 있어서,  신뢰성을 향상시키고, 수율을 향상시키는 것이다. 
     본 발명의 해결 수단으로는,  박막 트랜지스터의 오믹 전극을, 배리어 금속층과 상기 배리어 금속층보다도 면적이 작은 Al 전극층의 2층 구조로 하여, 상기 오믹 전극을 덮는 보호 절연막 중에 상기 Al 전극층을 노출하는 콘택트 홀을 형성하고, 투명 화소 전극을 상기 Al 전극층에,  상기 보호 절연막 위에 상기 콘택트 홀에 대응하여 형성된 고융점 금속 패턴을 통하여 전기적으로 접속한다.