baber/WOPTO huggingface dataset:
Patent KR-20010021949-A (KR)
Title: Method for Producing 3-Hydroxy-2-Methylbenzoic Acid
IPC: C07C51/00
Filed: 1998-07-06
Abstract: The invention relates to a novel method for preparing 3-hydroxy-2-methylbenzoic acid by reacting disodium 3-amino-1,5-naphthalinedisulfonic acid with aqueous potassium hydroxide solution at a pressure of at least 100 bar.
Patent KR-20010030640-A (KR)
IPC: E01B1/00
Filed: 1998-09-02
Abstract: The invention relates to a rail system (1) comprising a line of rails with fixations, cross ties (wood, concrete, etc.), an infrastructure (2) on which the cross ties are laid, as well as an elastomeric cross tie shoe, whose sidewall (7), which tapers upward, entirely or partially surrounds the cross tie, the inner sidewall being in the form of a flexible lip (9) sealingly laid against said cross tie (2); besides, between the bottom of the cross tie shoe (13) and the cross tie underside (2) is inserted an elastic intermediate layer (5). The rail system according to the invention (1) is characterized in that the sidewall (7) of the cross tie shoe (4) presents on its inner face (8) a pattern of ribs and grooves and that the elastic intermediate layer (5) is provided with extruded-like channels (6, 6', 6'') located virtually in the same plane as that in which two geometries of alternating channels appear.
Patent KR-20010031136-A (KR)
Title: 반도체 기판으로부터 잔류물을 스트리핑하는 조성물을함유하는 붕산 암모늄
IPC: C11D7/32
Filed: 1998-10-14
Abstract: 본 발명은 할로겐계 플라스마 금속 에칭에 이은 산소 플라스마 에싱으로부터 생기는 웨이퍼 잔류물을 스트리핑하는 제형을 포함한다. 제형은 15내지 60중량%의 유기 아민 또는 아민의 혼합물, 20내지 60중량%의 물, 9내지 20중량%의 사붕산 암모늄 또는 오붕산 암모늄 및 0내지 15중량%의 임의의 극성 유기 용매를 함유한다.
Patent KR-20010015803-A (KR)
IPC: C08F110/06
Filed: 1998-11-09
Abstract: The present invention concerns nucleated propylene polymers having a xylene soluble fraction at 23° C. of less than 2.5%, a crystallization temperature of over 124 ° C. and a tensile modulus of greater than 2,000 MPa. These polymers can be prepared by nucleating a propylene polymer with a polymeric nucleating agent containing vinyl compound units, and by polymerizing propylene optionally with comonomers in the presence of a Ziegler-Natta catalyst system primarily transesterified with a phthalic acid ester-a lower alcohol pair to provide said propylene polymer. The catalyst contains a strongly coordinating external donor.
Patent KR-20010032481-A (KR)
Title: 플라즈마 박막증착 방법 및 반도체 디바이스
IPC: H01L21/768
Filed: 1998-11-19
Abstract: CF막을 반도체 디바이스의 층간 절연막으로서 이용하고자 하면, W(텅스텐) 의 배선을 형성할 때에 예컨대 400∼450℃ 부근에까지 CF막이 가열되어, 이 때에 F계의 가스가 CF막으로부터 탈루되어, 배선의 부식이나 막 감소에 따른 여러 가지 문제점이 생긴다. 
     환상 구조의 C 5 F 8 가스 및 탄화 수소 가스, 예컨대 C 2 H 4 가스를 박막증착 가스로서 이용하고, 이들 가스를 예컨대 O.1 Pa의 압력하에서 플라즈마화하여 프로세스 온도 400℃하에서 그 활성종에 의해 반도체 웨이퍼 상에 CF막을 박막증착한다. 
     또, 환상 구조의 C 6 F 6 가스를 박막증착 가스로서 이용하고, 이들 가스를 예컨대 0.06 Pa의 압력하에서 플라즈마화하여 프로세스 온도 400℃하에서 그 활성종에 의해 반도체 웨이퍼 상에 CF막을 박막증착한다.
Patent KR-20010024695-A (KR)
Title: 물에 영향을 받지 않는 에폭시 수지 경화촉진제인 노볼락
IPC: C08G59/56
Filed: 1998-11-28
Abstract: 본 발명은 에폭시 수지 및 아민 경화제를 기초로 하고, 촉진제로서 하나 이상의 하기 화학식 (Ⅰ)의 화합물을 함유하며 필요하다면, 용매, 물, 가소제, UV 안정화제, 착색제, 안료 및 충전제가 부가적으로 사용되는 경화성 혼합물에 관한 것이다: 
       (Ⅰ) 
     상기식에서 R 1 , R 2 , R 3 및 R 4 는 각각 독립적으로 H 또는 1 내지 15개의 탄소 원자를 함유하는 직쇄 또는 측쇄 알킬 라디칼이고, n은 0 내지 10임.
Patent KR-20010034564-A (KR)
Title: 고콘트라스트 방전 패널용 전극과 이 전극을 제조하기위한 방법
IPC: H01J11/12
Filed: 1999-03-09
Abstract: 개스 방전 패널은 투명판, 개스 방전 전극 그리고 상기 투명판과 상기 개스 방전 전극 사이에 위치하며 크롬/탄소/불소막을 갖는 블랙 매트릭스층을 포함하고 있다.
Patent KR-20010052638-A (KR)
Title: 병진 안내되는 분출 노즐을 포함하는 복동식 고전압 및중전압 단로기
IPC: H01H33/915
Filed: 1999-06-07
Abstract: 본 발명은 중공 아킹 접속부(3B) 및 단로기가 폐쇄되었을 때 축(A)을 따라 상기 중공 접속부(3B) 내에 삽입되는 로드형 아킹 접속부(5B)와, 중공 아킹 접속부(3B)에 동축으로 고정되어 로드형 아킹 접속부(5B)가 통과하는 노즐목(9A)을 갖는 분출 노즐(9)을 차단기 챔버 내부에 포함하고, 로드형 아킹 접속부(5B)와, 분출 노즐(9)을 구비한 중공 아킹 접속부(3B)를 포함하는 조립체는 단로기가 개방되었을 때 축(A)을 따라 반대 방향으로 이동하는, 고전압 또는 중전압 단로기에 관한 것이다.  본 발명에 따르면, 분출 노즐(9)은 두 아킹 접속부(3B, 5B)들이 반대 방향으로 이동될 때 로드형 아킹 접속부(5B)를 따라 병진 안내되고, 이에 의해 노즐목(9A)과 로드형 아킹 접속부(5B) 사이에서 발생하는 접촉 또는 마찰의 위험을 감소시킨다.  이는 단로기의 차단 용량의 증가로 이어진다.
Patent KR-20010053238-A (KR)
Title: 플라즈마 디스플레이 패널
IPC: C03C17/02
Filed: 2000-04-26
Abstract: 본 발명은 대향하여 설치된 제 1 플레이트와 제 2 플레이트 사이에 방전가스가 봉입되고, 제 2 플레이트에 대향하는 제 1 플레이트 표면에는 Ag 또는 Cu로 이루어지는 복수쌍의 표시전극이 형성되고, 상기 제 1 플레이트 표면에 상기 복수쌍의 표시전극을 덮도록 하여 유전체층이 피복된 구성을 갖는 플라즈마 디스플레이 패널로서, 상기 유전체층은 적어도 ZnO와, 10wt% 이하의 R 2 O를 포함하고, PbO 및 Bi 2 O 3 를 포함하지 않은 조성의 유리로 이루어지며, 그 유전율 ε과 그 손실계수 tanδ의 곱이 0.12 이하의 값인 것을 특징으로 하므로(단, R은 Li, Na, K, Rb, Cs, Cu, Ag에서 선택된 것으로 한다), 표시전극의 Ag나 Cu라는 성분이 유전체층 중에 혼입되어 콜로이드 입자가 되고, 이 콜로이드 입자에 의해 디스플레이의 표시성능이 저하되는 것을 효과적으로 방지할 수 있다. 또 유전체층의 유전율 ε과 그 손실계수 tanδ의 곱의 값이 종래보다 낮으므로 소비전력을 억제한 플라즈마 디스플레이 패널로 하는 것이 가능해진다. 또 상기 조성의 유리조성은 연화점이 600℃ 이하로 종래에 비하여 낮게 억제되어 있으므로 유전체층의 소성 등에 드는 제조가격을 억제할 수도 있다.
Patent KR-20020061666-A (KR)
Title: Device for alerting by sensing is not level of heavy equipment
Inventor: CHA YEONG SIK
IPC: B66C15/06
Filed: 2001-01-17
Abstract: PURPOSE: A device for sensing and alarming non-level of heavy equipment is provided to prevent accidents caused by an overturn by giving the alarm if horizontality is not maintained when heavy equipment lifts up an article. CONSTITUTION: A device for sensing and alarming non-level of heavy equipment is composed of horizontality sensors(10,12,14,16), a control unit(30), an alarm-signaling unit(50), and a buzzer(60). The horizontality sensors are installed to the right and left sides in the front and out triggers of the right and left side in the rear of the heavy equipment, and the horizontality sensors sense at least one un-horizontal state. The control unit receives the un-horizontal signal sensed from the horizontality sensors, and outputs an alarm control signal and hydraulic control signal. The alarm-signaling unit receives the alarm control signal output from the control unit, and outputs an oscillation frequency signal for alarming. The buzzer receives the oscillation frequency signal, and gives the alarm. Hydraulic pressure is controlled under the un-horizontal state of the out trigger, and the ascent of a boom or descent of a lifting apparatus is prevented by alarming.
Patent KR-20010091887-A (KR)
Title: A positive active material for a lithium secondary battery and a method of preparing the same
Inventor: JUNG HYEON SUK
IPC: H01M4/36
Filed: 2001-02-01
Abstract: PURPOSE: A cathode active material for a lithium secondary battery and its preparation method are provided, to improve the wattage, the lifetime and the stability and to reduce the cost by replacing LiCoO2 with LiNiMnO2. CONSTITUTION: The cathode active material comprises at least one compound selected from the group consisting of the compounds of the formulas 1 to 4, and whose surface is coated by a metal oxide or a metal oxide complex. In the formulas 1 to 4 (formula 1 is LixNi1-yMnyF2; formula 2 is LixNi1-yMnyS2; formula 3 is LixNi1-y-zMnyMzO2-aFa; and formula 4 is LixNi1-y-zMnyMzO2-aSa), M is at least one element selected from the group consisting of Co, Mg, Fe, Sr, Ti, B, Si, Ga, Al, Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, Pa, U, Np. Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No and Lr; 0.95<=x<=1.1; 0<=y<=0.99; 0<=z<=0.5; and 0<=a<=0.5. Preferably the metal oxide is an oxide of the metal selected from the group consisting of Mg, Al, Co, K, Na, Ca, Si, Ti, V, Sn, Ge, Ga, B and As; and the thickness of the metal oxide is 1-100 nm. The method comprises the steps of: preparing the powder of at least one compound selected from the group consisting of the compounds of the formulas 1 to 4; coating the powder with a metal alkoxide solution, a metal salt organic solution or a metal aqueous solution; and heating the coated powder.
Patent KR-20010081129-A (KR)
Inventor: KIM SU HYUN
IPC: A23F3/32
Filed: 2001-02-05
Abstract: PURPOSE: A method for preparing tea from thick and large leaves of Eriobotrya japonica pulverized and formed into various shapes is provided to serve improved flavor of tea product stored and taken easily. CONSTITUTION: The method includes the following steps of: (i) roasting or steaming leaves of Eriobotrya japonica and quick-freezing the leaves; (ii) pulverizing the frozen leaves of Eriobotrya japonica; (iii) forming the powdered leaves into various shapes of coin, rice cake, etc.; (iv) drying the resulting formed leaf material and getting a shaped tea product of Eriobotrya japonica.
Patent KR-20020068135-A (KR)
Title: Aroma Emission Image System and Method of the Same
Inventor: KIM MIN HO
IPC: H04N5/44
Filed: 2001-02-20
Abstract: PURPOSE: An incense generating video system and a method of controlling the system are provided to allow a user to personally set an incense generating environment and selectively eliminate or filter incense. CONSTITUTION: An incense generating video system includes a tuner(100) for receiving a digital broadcasting signal, a signal detector(200), a microcomputer(300), an incense table(400), an incense generation controller(410), and an incense output unit(420). The signal detector separates a video signal and an audio signal from the received digital broadcasting signal, judges if incense generation information exists in the video signal and separates data corresponding to the incense generation information from the video signal. The microcomputer receives the data and sets incense generation control information or outputs an incense generation control signal through predetermined incense generation control information. The incense table constructs the incense generation control information. The table is updated through the data output from the signal detector or according to an external input from a user. The incense generation controller receives the incense generation control information to control generation of corresponding incense. The incense output unit generates the corresponding incense to the outside under the control of the incense generation controller.
Patent KR-20010067599-A (KR)
Title: method and manufacturing apparatus of steel pipe
Inventor: SONG JAE SANG
IPC: B21C37/08
Filed: 2001-02-19
Abstract: PURPOSE: A method and apparatus for manufacturing a steel pipe are provided to reduce inferior goods generated due to bad welding position when a strip is welded for making a pipe. CONSTITUTION: A steel pipe manufacturing apparatus includes a head part having an open center and forming a coupling hole at the side, a head support member covering the head part at the lower part for supporting the head part and forming a track-shaped hole at the part corresponding to the coupling hole for being coupled with the head part by a fixing element, a cylindrical strip guide(320) inserted into the center of the head part and having an outlet part cut at a right angle in axial direction partially including the inner surface and at the part separated from the outlet part at regular distance for having an one side-opened square space part, a strip support core installed at the inner surface of the strip guide, forming a hole for adjusting position at the section of an inlet part of the strip for adjusting right and left position, and contacted with the inner surface of an open pipe for supporting the open pipe, and a welded electrode fixedly installed at the upper surface of the head part and interwoking with the head part for changing the position.
Patent KR-20020069522-A (KR)
Title: Device for loading shots
Inventor: KANG HUI SEON
IPC: F41A9/00
Filed: 2001-02-26
Abstract: PURPOSE: A shell loading device is provided to automatically supply shells in a predetermined narrow space and to simultaneously fix or release a plurality of shells by using one driving mechanism. CONSTITUTION: A shell loading device includes a shell loading section(60), a shell feeding section(40) which withdraws shells and guides the position of the shells, and a shell locking/releasing section(50) for locking/releasing the shells. The shell feeding section(40) includes a shell box for receiving the shells therein. The first rotating shaft is installed at an upper portion of the shell box. The first shaft passes through a flange attached to both side ends of the shell box. A connection plate and a driving guiding plate are installed at a front of the flange so as to receive the rotating shaft of a shell conveying device.
Patent KR-20010069291-A (KR)
Title: Rope tension-equalizer of elevator
Inventor: CHOI JEONG DU
IPC: B66B7/10
Filed: 2001-03-02
Abstract: PURPOSE: An elevator rope tension equalizing apparatus is provided to automatically equalize tension between ropes by movability of balls and reduce manpower required for manufacture and management. CONSTITUTION: An elevator rope tension equalizing apparatus includes a container(10) coupled with a beam(2) and having a guide hole(11) perforated at the upper part for guiding rods(14), and accumulating balls, compression blocks(13) arranged at each rope and rectilinearly sliding in state of sealing and compressing balls accumulated within the container, and the rod integrately formed with the compression block to support the compression block and the ropes, connected with the ropes via a rope coupling member(3a), and rectilinearly sliding in the sliding hole.
Patent KR-20020070741-A (KR)
Title: Structure of plasma display panel device
Inventor: CHO YEONG JAE
IPC: H01J11/42
Filed: 2001-03-03
Abstract: PURPOSE: A structure of a plasma display panel device is provided to improve visible ray emitting efficiency by exciting R, G, and B phosphor through not only ultraviolet rays emitted by a plasma discharging but also ultraviolet rays emitted from a dielectric layer. CONSTITUTION: A plasma display panel device comprises a lower substrate, a barrier rib, a phosphor, an upper substrate, and a phosphor material. A lower electrode and a lower dielectric are layered on the lower substrate. The barrier rib is formed on the lower dielectric and sections discharge display cells. The phosphor is deposited selectively on the barrier rib and the lower dielectric. An upper electrode, an upper dielectric, and a protection layer are layered on the upper substrate and the protection layer is opposite to the lower substrate. The phosphor material is scattered in fine particle type on the selected layer among the lower dielectric, the barrier, rib and the upper dielectric so as to emit ultraviolet rays.
Patent KR-20020074294-A (KR)
Title: The Synthetic methods and applications of Calix derivatives as Photoactive compounds
Inventor: KANG YEONG JONG
IPC: G03F7/004
Filed: 2001-03-19
Abstract: PURPOSE: A photosensitive material containing a calix derivative, its preparation method and its use are provided, which material shows a high sensitivity and a good resolution and is used as a PS plate, a printed circuit board, a color cathode ray and a photoresist for screen printing and microimage. CONSTITUTION: The photosensitive material is a calix derivative comprising calix£4| resorcinarene and calix£4|pyrogallene represented by the formula 1, wherein R1 comprises 2-diazo-1-naphthoquinone-5-sulfonyl group represented by the formula 2 and OH; R2 is NO2, Cl, F or CN; and R3 is OH or H.
Patent KR-20010044718-A (KR)
Inventor: KIM MAN BOK
IPC: B66C7/16
Filed: 2001-03-20
Abstract: PURPOSE: A rail brake for a crane is provided to use for stopping the movement of a crane by being installed to the lower end of a crane leg moving along a rail together with an overhead crane used in a container crane or on the ceiling of a production site. CONSTITUTION: A rail brake for a crane comprises a brake case(1) installed to the lower end of a crane leg sliding on a rail and a brake assembly(2) installed to the inside of the brake case to brake a crane on the rail and to release the braking state, wherein the brake case comprises an outer supporter(10) installed downward vertically, a vertical guide groove(11) formed on the center of the outer supporter vertically and a seeing-through part(12) formed on the outer supporter and the brake assembly comprises a pair of brake mounts(6) installed at regular intervals by a spacer and a roller mount, a rail passing groove(15) formed on the central lower part of the brake mount for passing the rail, a horizontal guide groove(16) formed on the outside of the brake mount horizontally and the side supporting roller(4) rotating, supporting and guiding by contacting with the rail on both sides of the outer rail passing groove of the brake mount.
Patent KR-20020074355-A (KR)
Title: Enzyme washing wrinkle free processing of fabrics
Inventor: KIM SUN HAN
IPC: D06M16/00
Filed: 2001-03-20
Abstract: PURPOSE: A wrinkle-free process for fabric performing enzyme treatment in a washing step during the processing process of a fabric is provided which can remove a fat and protein component without using a separate organic solvent or chemical, improves fiber strength, and reduces processing cost. CONSTITUTION: A fabric for performing a wrinkle free process is introduced into a vessel containing water at 58deg.C, washed with enzyme for 50 to 70min, added two times with soda ash once per 10min while washing, dehydrated and then dried. Thereafter, it is soaked in a wrinkle free aqueous solution for 5 to 7hr, dried and then heated with steam at 120deg.C for 30min after ironing.
Patent KR-20010067991-A (KR)
Title: Functional fiber containing chitosan powder
Inventor: DO YOUNG SOO
IPC: D01F1/10
Filed: 2001-04-13
Abstract: PURPOSE: A process for preparing the titled fiber excellent in antibacterial property and deodorizing property by mixing chitosan with polymer chips and spinning is provided, thereby producing a functional fiber exhibiting a function similar to that of a pure chitosan fiber while containing a relatively low amount of chitosan and permanently maintaining functionality of chitosan. CONSTITUTION: This functional fiber comprises 0.1 to 10% by weight of chitosan powder and 0 to 10% by weight of a dispersing agent, an emulsifier, a heat stabilizer, a dulling agent and residues based on the total weight of the fiber composition. The main material of the fiber is a homopolymer selected from the group consisting of ester, amide, acryl, vinylalcohol, propylene, saccharide, protein and caprolacton, copolymers thereof, mixtures thereof or a blended composition. The fiber takes a shape of a staple fiber having a filament thickness of 0.75 to 5 denier and a length of 1 to 100mm.
Patent KR-20020081928-A (KR)
Title: Method for Manufacturing Printed Circuit Board with Buried Resistors
Inventor: LEE BYEONG HO
IPC: H05K3/46
Filed: 2001-04-20
Abstract: PURPOSE: A method for fabricating a printed circuit board having a buried resistor is provided to simplify a fabrication process and reduce a fabricating cost by using a general method of construction. CONSTITUTION: A resistant layer(12) is formed on an upper surface of a substrate layer(11). The first photoresist coating layer(13) is formed on the resistant layer(12). The first photoresist coating layer(13) is patterned according to composition of a pre-designed circuit. The resistant layer(12) is etched by using the patterned the first photoresist coating layer(13) as a mask. A resistant layer pattern is formed by striping the remaining portion of the first photoresist coating layer(13). A conductive layer is formed on the resistant layer pattern and the substrate layer(11) on which the resistant layer pattern is not formed. The second photoresist coating layer is formed on the conductive layer. The second photoresist coating layer is patterned. The conductive layer is etched by using the patterned second photoresist layer as the mask. A conductive layer pattern is formed by striping the remaining portion of the second photoresist coating layer.
Patent KR-20020083636-A (KR)
Title: Apparatus for exhibiting fireworks and method thereof
Inventor: KIM GEON JEONG
IPC: F42B4/04
Filed: 2001-04-27
Abstract: PURPOSE: An apparatus and a method for displaying fireworks are provided to easily retrieve dud shells by igniting fire balls in a state that the fire balls are suspended in air by a suspension member. CONSTITUTION: An electric ignition device(30) is connected to a fire ball(10) through a conductive wire(31). The electric ignition device(30) is installed in a fireworks displaying apparatus(100) or in a balloon(40). The conductive wire(31) includes a shock tube. One end of a suspension member(50) is connected to the balloon(40). A protection member is formed at both ends of the suspension member(50). The protection member includes a strip steel plate or a heat-resistance film. The fire ball(10) is suspended to the suspension member(50) through a connection member(70). The connection member(70) includes an iron chain or a spring.
Patent KR-20020084480-A (KR)
Title: Method of manufacturing semiconductor device using self-aligned contact process
Inventor: AHN CHANG MUN
IPC: H01L27/108
Filed: 2001-05-02
Abstract: PURPOSE: A fabrication method of semiconductor devices using an SAC(Self-Aligned Contact) is provided to minimize recess of a silicon by improving thickness uniformity of an oxide remaining on an active region after the SAC. CONSTITUTION: A gate oxide(102) is formed on an active region of a semiconductor substrate(100). Gate electrodes(200) sequentially stacked on conductive patterns(104,106) and hard mask layers(108,110) are formed on the gate oxide(102). A first oxide(112) is grown at both sidewalls of the conductive patterns(104,106) and a gate spacer(114) is formed at both sidewalls of the gate electrodes(200). The first oxide(112) formed between the gate electrodes is entirely removed by wet etching. An etch stopper(118) is formed on the entire surface of the resultant structure except for the active region between the gate electrodes. After forming an interlayer dielectric(120) on the resultant structure, a self-aligned contact hole(124) is formed to expose the active region between the gate electrodes by etching the interlayer dielectric(120) and the etch stopper(118).
Patent KR-20020083399-A (KR)
Title: The window filtering yellow sands pollution and dust
Inventor: WON SOON OKE
IPC: B01D39/14
Filed: 2001-04-26
Abstract: PURPOSE: A device that is adhered to a window of a building through which air comes in or out so as to filter dust and carcinogenic substance polluted by yellow sand in air is provided. CONSTITUTION: The static electricity type device for filtering yellow sand is characterized in that the device filters yellow sand polluted dust and carcinogenic substance coming into a building through a window of the building using a medium causing static electricity, wherein the device comprises a main body which is made of a plastic window frame material; filtering nets which are installed in both sides of the dust collection net with spaced apart from the dust collection net in a certain distance to adsorb polluting substances using static electricity, and in which a polyethylene synthetic resin material having thickness of 0.3 mm is woven in a net shape so that meshes of the filtering nets are spaced apart from each other in a distance of 1.8 mm; a dust collection net having thickness of 0.7 mm which is made of a polyethylene synthetic resin material such as a woolen garment material to increase friction between static electricity and air, which is woven between the filtering nets in a net shape so that meshes of the dust collection net are spaced apart from each other in a distance of 3 mm; and a wing which is filled in a gap of the window and made of a rubber material.