baber/WOPTO huggingface dataset:
Patent KR-20020010308-A (KR)
Title: Method for forming a metal electrode of a semiconductor device
Inventor: CHOI HYEONG BOK
IPC: H01L21/28
Filed: 2000-07-29
Abstract: PURPOSE: A method for forming a metal electrode of a semiconductor device is provided to stably maintain an effective surface area and to form a capacitor of an integrated device having a design rule not greater than 0.10 micrometer, by forming a seed layer and by using H2SO4 solution to eliminate contaminant or particles on the seed layer. CONSTITUTION: An insulation layer and an anti-reflective coating(ARC) are sequentially formed on a semiconductor substrate having a junction part. The ARC and the insulation layer are patterned to form a contact hole so that the junction part is exposed. After a plug is formed in the contact hole, a metal silicide layer is formed on the plug. After a barrier metal layer is formed on the metal silicide layer, a metal seed layer(9) is formed on the entire surface. An insulation layer pattern is formed on the seed layer to expose the seed layer on the plug. After the organic contaminant or particles(14) on the exposed seed layer is removed, metal is deposited on the exposed seed layer. After the insulation layer pattern is eliminated, the seed layer in the exposed portion is removed.
Patent KR-20010000195-A (KR)
Inventor: HA HYEON JUN
IPC: C07D203/06
Filed: 2000-08-10
Abstract: PURPOSE: A preparation method of (2R)-and(2S)-aziridine-2-carboxylic acid ester and (2R)-and(2S)-2-hydroxymethyl aziridine is provided to obtain the same in high yield of over 95 %, simply by reacting 1,2-dibromopropanic acid(-)-menthol ester with optically pure amine. CONSTITUTION: A preparation method thereof is characterized by comprising the following steps: (i)manufacturing 1,2-dibromopropanic acid(-)-menthol ester of formula (3); (ii)reacting by using (R)-or(S)-phenylethylamine and triethylamine as base or using potassium carbonate as base; (iii)manufacturing (2R)-and(2S)-N-£(1R)-phenylethyl|aziridine-2-carboxylic acid(-)-menthol ester and (2R)-and(2S)-N-£(1S)-phenylethyl|aziridine-2-carboxylic acid(-)-menthol ester of formula(4).
Patent KR-20020015168-A (KR)
Title: Method for forming self aligned contat of semiconductor device
Inventor: KIM IN CHEOL
IPC: H01L21/28
Filed: 2000-08-21
Abstract: PURPOSE: A method for forming a self-aligned contact of a semiconductor device is provided to reduce etching of interlayer dielectric patterns in a subsequent etch and cleaning process, by forming an etch stop layer spacer on both sidewalls of the interlayer dielectric pattern for insulating adjacent contact pads. CONSTITUTION: A plurality of gate patterns(107) are formed on a semiconductor substrate(100). The first etch stop layer is formed on the semiconductor substrate including the gate patterns. An interlayer dielectric(116) is formed on the first etch stop layer. The interlayer dielectric is patterned to form an opening exposing the first etch stop layer between the gate patterns, and the interlayer dielectric pattern(116a) is formed on the gate patterns. The second etch stop layer is formed on the first etch stop layer and the interlayer dielectric pattern. The second and first etch stop layers are anisotropically etched to form a spacer(112b,120a) on both sidewalls of the gate pattern and the interlayer dielectric pattern. A conductive layer filling the opening is formed on the resultant structure having the spacer.
Patent KR-20000064126-A (KR)
Inventor: JANG HWANG JIN
Filed: 2000-08-23
Abstract: PURPOSE: An instant lottery ticket sales system using the internet is provided so that a client can confirm a winning result as soon as the client purchases a lottery ticket through the internet. CONSTITUTION: An instant lottery ticket sales system using the internet is composed of an internet server(6) and winning confirmation units(8,10). A client accesses the internet server(6), wherein an internet site(2) is loaded, using his internet terminal(4). The winning confirmation units(8,10), connected with the internet server(6), are provided so that the client can confirm a winning result of an instant lottery ticket(1) supplied automatically by a lottery supply device(7). In the internet server(6), a database(14) storing the intrinsic number of the instant lottery ticket(1) provided by a lottery ticket company that operates the internet site(2) is configured. The intrinsic number is loaded on the monitor of the client internet terminal(4) so that the client can select an intrinsic number directly.
Patent KR-20020016396-A (KR)
Title: power supply by power factor correction type
Inventor: CHOI YONG BOK
IPC: G05F1/565
Filed: 2000-08-25
Abstract: PURPOSE: A power supply in a power factor correction mode is provided to realize a low-power circuit by stopping operation of unnecessary circuit in standby mode according to PFC(power factor correction) mode. CONSTITUTION: A power supply in a power factor correction mode comprises a PFC unit(100) for outputting power of AC voltage according to input control signal, a controller for controlling operation of the PFC unit, a bridge diode rectifier for rectifying AC power from the PFC unit into DC power, a DC-DC converter for converting the rectified DC power, a regulator for supplying the converted DC power to a power consumption system according to load state of the system, a switching operation controller(130) for controlling switching operation of the DC-DC converter, and a sensing and voltage controlling unit(140) for controlling operation of the controller to block operation of the PFC unit. The sensing and voltage controlling unit regulates resistance value of a voltage sensing resistance in the controller to descend entire voltage.
Patent KR-20000072301-A (KR)
Inventor: PARK JONG MAN
IPC: G06F17/00
Filed: 2000-08-28
Abstract: PURPOSE: A system for providing an information for spouse based on a network and a method of the same are provided to inform spouse information by transferring member's information to a mobile terminal by searching member's detail information. CONSTITUTION: A spouse information providing server(20) forms a database using a member information and spouse information inputted by a user and detects a spouse information inputted from the user using a member information. A result of the above process is formed as a list. The fabricated list is converted into a character message and is transferred to a portable terminal(40) of the user. The user terminal(30) is connected with the spouse information providing server(20).
Patent KR-20000072340-A (KR)
Inventor: BANG SANG DON
IPC: H05K13/02
Filed: 2000-08-30
Abstract: PURPOSE: A mounter for a surface mounting device is provided to be capable of mounting, re-mounting and dismounting by one apparatus and to shift a device vertically exactly by measuring the height of the device using a laser sensor. CONSTITUTION: A mounter for a surface mounting device comprises a laser sensor(80) which measures the position of a surface mounting device(40) that is socked by a vacuum bit(38) according to generation of vacuum pressure of a vacuum nozzle(36). The measured value is sent to a programmable logic controller(PLC)(82) so as to memory the position. A load cell(39) sets allowable pressure of the surface mounting device(40) and the vacuum bit(38) to "0", and checks the pressure after being contacted with a printed circuit board(42) installed at an XY transfer part to then compare the measured value with a set value. The compared value is sent to the PLC(82), which re-sends the sent value to a servo motor(32) so as to go up and come down the socked surface mounting device(40).
Patent KR-20020019261-A (KR)
Title: Turbo-charger wherein a transmission is equiped
Inventor: MA SE HYEON
IPC: F02B37/00
Filed: 2000-09-05
Abstract: PURPOSE: A turbocharger having a transmission is provided to form necessary supercharge pressure by rotating a compressor shaft at high speed and to maintain the supercharge pressure without a waste gate. CONSTITUTION: A turbocharger having a transmission comprises an exhaust gas inlet port(105) letting exhaust gas; an exhaust outlet port(110) discharging the exhaust gas by being mounted on a turbine case(115); a turbine(120) rotating by the exhaust gas by being contained in the turbine case; a suction inlet port(125) letting suction air; a suction outlet port(130) supplying the suction air into an engine; a compressor case(135) having the suction inlet and outlet ports; a compressor(140) rotating in the compressor case; and turbo shafts(145,150) connecting the turbine and the compressor. Thereby, the turbocharger having the transmission maintain supercharge pressure by rotating the compressor shaft at high speed.
Patent KR-20020019680-A (KR)
Title: Light weight foamed concrete using granite sludge
Inventor: KIM DU HONG
IPC: C04B28/02
Filed: 2000-09-06
Abstract: PURPOSE: Provided is a lightweight foam concrete for ondol(korean floor), which has high strength and homogeneous characteristics, prevents cracking of construction and shortens construction time by mixing granite sludge with cement CONSTITUTION: The lightweight foam concrete for construction comprises 10-50wt.% of granite powder or pieces(0.3-1.0mm) and 50-90wt.% of cement. The lightweight foam concrete for engineering works comprises 10-50wt.% of granite powder or pieces(0.3-1.0mm), 50-90wt.% of cement and 3wt.%(based on the cement) of water-reducing agent.
Patent KR-20010050374-A (KR)
Inventor: HARADA YUJI
IPC: C07F7/18
Filed: 2000-09-07
Abstract: PURPOSE: A novel styrene derivative is provided, which styrene derivative has a styrene skeleton useful as a monomer for preparing a base polymer for a chemically amplified resist material. CONSTITUTION: The styrene derivative is represented by the formula(1), wherein R1 is H, a linear, branched or cyclic alkyl group of C1-20, a F-substituted alkyl group, Cl or trichloromethyl group; R2 is a protecting group of phenol; and p is an integer 0-4, q is an integer of 0-4, and r is an integer of 1-4, with the proviso that p+q is an integer of 1-4.
Patent KR-20020021848-A (KR)
Title: 3-Hydroxy-6-aminochromene-4-on derivatives useful as cyclin dependendent kinase inhibitors
Inventor: CHOI SE HYEON
IPC: C07D417/14
Filed: 2000-09-18
Abstract: PURPOSE: Provided are 3-Hydroxy-6-aminochromene-4-on derivative useful as cyclin dependent kinase inhibitor, its pharmaceutically acceptable salt, hydrates, solvate and enantiomer. Also, provided are their manufacturing method, and an anti-cancer composition containing pharmaceutically acceptable carrier and the above compounds as active ingredients and having excellent antiproliferative effects to be effective in inhibiting and treating diseases relating to cell growth, such as cancer, inflammation, angiogenesis or the like. CONSTITUTION: 3-Hydroxy-6-aminochromene-4-on derivative is represented by the formula(1), wherein R1 and R2 individually represent hydrogen, alkyl, hydroxy alkyl, cycloalkyl, acetyl, benzyl phenyl or piperidinyl group; and X is hydrogen or halogen.
Patent KR-20020023624-A (KR)
Inventor: HAN SANG KWAN
IPC: E02B7/20
Filed: 2000-09-23
Abstract: PURPOSE: A double foldaway automatic water gate is provided to keep reservoir water level regularly in an underwater barrage. CONSTITUTION: The double foldaway automatic water gate comprises: an upper water gate(1) coupled to a wall(13) and supports(14) together with a movable shaft(15) and formed in the shape of a vacuous rectangular plate by the same materials as an H-beam to occur buoyancy, a movable shaft(15) formed on both upper sides to be movable and placed steeply toward a reservoir between supports(14), wherein a cylinder(4) is coupled to a shaft(3) of a cylinder and the supports(14), a cylinder rod is coupled to the cylinder and a shaft(6) of a cylinder rod is formed on the lower end of a cylinder rod(5); and a lower water gate(2) hinged to the lower end of the upper water gate(1) by a fixed shaft(8).
Patent KR-20020028141-A (KR)
Title: segmental wedge DP flow meter
Inventor: JI DAE SEONG
IPC: G01F22/00
Filed: 2000-10-07
Abstract: PURPOSE: A wedge type differential pressure flow meter is provided to measure the flow amount of fluid in an accurate manner, while achieving an improved measurement accuracy for pressure difference by reducing turbulent flow in the piping. CONSTITUTION: A V-shaped wedge(2) is formed inside of a joint pipe connected to a piping for measuring fluid flow amount, and an upper stream measuring hole(3a) and a lower stream measuring hole(3b) are formed at upper stream and lower stream of the wedge. The upper stream measuring hole is spaced apart by a predetermined distance from a central line(6) of the wedge, such that the upper stream measuring hole corresponds to a diameter of the joint pipe. The lower stream measuring hole is spaced apart by a predetermined distance from the central line of the wedge, such that the lower stream measuring hole corresponds to the diameter of the joint pipe and size of the wedge. The flow amount of the fluid flowing through the joint pipe is measured by the pressure difference measured by a metering member connected to the upper stream measuring hole and the lower stream measuring hole.
Patent KR-20010051247-A (KR)
Inventor: CORNIC DANIEL
IPC: B60M7/00
Filed: 2000-10-25
Abstract: PURPOSE: A static system for supplying electric power to electrically powered vehicle from side of its running surface and an electric vehicle is provided to supply electric power via the ground to the rail vehicle. CONSTITUTION: A ground feed for an electric rail vehicle has conductor segments(16A-D) which are insulated from each other and which are contacted by a slide shoe(32) for current feed to the vehicle. High voltage feeds are connected to each conductor segment and switches(45) are used to cause flow to each segment when the shoe is in contact with it. The switch assembly has circuit breakers(T1,T2) controlled by sensors(44) to detect shoe contact.
Patent KR-20010016105-A (KR)
Title: Forgery prevention system for identification card
Inventor: JUNG JE CHANG
IPC: B42D25/309
Filed: 2000-11-04
Abstract: PURPOSE: A system for preventing forgery of an identification card is provided to digitalize a picture printed on the identification card and a personal information into one integrated data. CONSTITUTION: A character image is input as a digital data by taking the character image using a camera. A water mark is inserted into the digitalized character image. An identification card is completed when the character image is printed. A position reference point of the identification card is detected according to the discrimination of the digital data by the camera(step(100)). A region of the character image printed on the identification card is detected by using the position reference point(step(101)). The detected character image is aligned depending on the position reference point(step(102)). The water mark is detected from the aligned character image(step(103)). By using the detected water mark, it is decided whether the identification card is a forgery or not(step(104)). The result is displayed as an output data(step(105)).
Patent KR-20020036349-A (KR)
Title: Method for Synchronizing Overlapped Program Loading Data among Main Processors in Exchanging System
Inventor: KIM TAE YONG
IPC: H04M3/00
Filed: 2000-11-09
Abstract: PURPOSE: A method for synchronizing inter main processor replicated program loading data in an exchange is provided to stably perform loading by performing synchronization through processing a message for requesting a replicated program loading data between a system starting loader and a program loader, and by loading and executing application programs after the synchronization. CONSTITUTION: A main processor transmits a message for requesting a loading of a program loader to a system starting loader(S300). The system starting loader receives the message(S301). The system starting loader transmits the program loader(S302). The main processor receives the program loader(S303). The program loader judges whether program loading data exist in a memory of the main processor(S304). The main processor transmits a message for requesting a replicated program loading data synchronization(S305). In the case of receiving the message(S306), the starting loader confirms whether an address of a source processor is corresponded to that of a system management processor(S307). In case that the messages are mutually corresponded, the replicated program loading data synchronization is performed(S308). After the synchronization, the loader transmits a response message of the synchronization(S309). The program loader of the main processor receives the message(S310). It is judged whether there is a time-out signal(S311). An error is reported(S312). It is judged whether the synchronization is succeeded(S313). Loading of the program loading data is performed(S314). Loading of an application program is performed(S315). The application program is executed(S316).
Patent KR-20010096504-A (KR)
Title: Surface acoustic wave filter using new piezoelectric single crystal wafer
Inventor: KIM HYEONG JUN
IPC: B01J23/62
Filed: 2000-11-21
Abstract: PURPOSE: A surface acoustic wave(SAW) filter using a new piezoelectric single crystalline substrate is provided which has low loss and has a wide bandwidth at a high frequency region. CONSTITUTION: The surface acoustic wave filter includes a piezoelectric single crystalline substrate and an input converter(Interdigital transducer) and an output converter formed on the piezoelectric single crystalline substrate. The chemical composition of the substrate is expressed as a chemical equation of x(A)y(B)z(C)-p(P)n(N). (A) is Pb(Mg1/3Nb2/3)O3 or Pb(Zn1/3Nb2/3)O3, and (B) is PbTiO3, and (C) is LiTaO3 or LiNbO3. (P) is a metal and (N) is a metal oxide. x is higher than 0.65 and lower than 0.98, and y is higher than 0.01 and lower than 0.34, and z is higher than 0.01 and lower than 0.1, and p and n are higher than 0.01 and lower than 5 respectively. The filter is for being used in a mobile communication or IMT(International Mobile Telecommunication)-2000.
Patent KR-20020040040-A (KR)
Title: Casing support apparatus for closed compressor
Inventor: KIM GWANG HO
IPC: F04B39/12
Filed: 2000-11-23
Abstract: PURPOSE: A device for supporting casing of hermetic type compressor is provided to prevent fine vibration due to a fine gap between a lower cap and a supportive plate in advance. CONSTITUTION: A joining protrusion(1a) is formed on a lower surface of a casing to protrude downward. An installation hole(11) is formed on a supportive plate(10) for the joining protrusion to be inserted to. A bent part(11a) is formed for an upper periphery of the installation hole to be closely attached to a side peripheral surface of the joining protrusion. An end surface of the bent part is welded on the side peripheral surface of the joining protrusion. The joining protrusion is formed to taper so that the side peripheral surface is slant. The bent part is formed to have a slant surface correspondingly with the slant surface of the joining protrusion.
Patent KR-20020043836-A (KR)
Title: The manufacturing method of glass bead and a constructure using the bead
Inventor: PARK MYEONG HO
IPC: C03B23/00
Filed: 2000-12-04
Abstract: PURPOSE: Provided is a simple manufacturing method of glass beads with homogeneous particles and high sphericity by crushing waste glasses through thermal treating and quenching unlike conventional crushing method. The resultant glass beads are used for road facilities such as median strip, concrete inside of tunnel, guide lines, etc. CONSTITUTION: The glass beads are manufactured by the following steps of: thermal treating waste glasses at 500-700deg.C for 5-15min in a furnace; quenching the glasses with a cold water of room temperature; crushing and separating glasses according to uses. The obtained glass beads larger than 30 mesh are used for slide prevention facilities by mixing with epoxy, and the glass beads smaller than 30 mesh is used for road displays by being scattered over the surface of displays putting epoxy, respectively.
Patent KR-20020045002-A (KR)
Title: Method for remotely educating using information key
Inventor: JUNG SEUNG TAE
IPC: G06Q50/30
Filed: 2000-12-07
Abstract: PURPOSE: A remote lecture method using an information key is provided to smoothly carry out a lecture between a lecturer and an educatee without a lag of the data transmission speed according to the increase of the lecturer and the educatee and to efficiently manage the lecturer and the educatee. CONSTITUTION: The method comprises the steps of judging a connection of the lecturer and the educatee(200), the educatee selecting the lecture contents of the lecturer or the lecturer selecting the question contents of the educatee(206), directly connecting the lecturer with the educatee by sending the information key to the lecturer and educatee based on the selection of the lecturer and educatee(208), receiving the start and end time of the direct connection between the lecturer and the educatee(209,210), and receiving the lecture evaluation contents between the lecture and the educatee(212). A lecture expense is calculated based on the start and end time and the evaluation contents and the calculated expense is informed to the lecturer and the educatee(214).
Patent KR-20020045304-A (KR)
Title: A storage method for large amount of product information
Inventor: BAE SEONG MIN
IPC: G06F17/00
Filed: 2000-12-08
Abstract: PURPOSE: A method for storing the large-scale article information is provided to effectively store the large-scale article information expressed in an XML(eXtensible Markup Language) while satisfying the effectiveness of the storage space, the effectiveness of the job process and the flexibility of the storage. CONSTITUTION: The method for storing the large-scale article information comprises the steps of tying the article information to a group for an article attribute representing a same non-nullity pattern, sending each group to a storage block by dividing the grouped article attribute into each group and generating and storing a storage file name by each group by using a hash function. The storage file name is a value arranged by respectively finding out the hash function for each attribute belonging to one group.
Patent KR-20010016458-A (KR)
Title: Advertizing system at a rest room
Inventor: CHANG HOON
Filed: 2000-12-12
Abstract: PURPOSE: A system for advertising in a public restroom is provided to enhance the effects of advertising by outputting a dynamic image advertisement using a TFT-LCD with a voice, to reduce consumption of electric power by outputting an advertisement only when a user is located in a lattice of a public restroom by a sensor switch. CONSTITUTION: A TFT-LCD(10) outputs an image of an advertisement. A speaker(20) outputs a voice of the advertisement. A sensor switch(30) detects a locking unit(40) of a lattice of a public restroom, and turns on the TFT-LCD(10) and the speaker(20) in case that the locking unit(40) is in a locking state. A clock unit(50) detects the sensor switch(30) and on/off time, and transmits the converted log file to a server. A database(60) stores an advertisement data. The server(80) includes an image board converting the advertisement data to a NTSC signal or a PAL signal and outputting to the TFT-LCD(10) and the speaker(20) through an amplifier(70). The server(80) receives on/off time from the clock unit(50) and calculates an advertisement output signal per an advertisement.