baber/WOPTO huggingface dataset:
Patent KR-20030019993-A (KR)
Title: Gas change valve have a roaster
Inventor: NAM GYUN HOON
IPC: A47J37/06
Filed: 2001-08-28
Abstract: PURPOSE: A roaster with a gas switching valve is provided to use gas with considering gas supplying condition by forming the gas switching valve. CONSTITUTION: A roaster with a gas switching valve includes a gas through rod(600); a first valve body(800); a second valve body(900) and an adjusting knob(70). The gas through rod is connected to a gas adjusting valve. A switching valve body(700) has a gas through hole(710). Gas inlets(720,730) are connected to the gas through hole. The switching valve body is connected to the gas through rod. First and second valve bodies open and close each gas inlet with a rod seat(810,910). The adjusting knob is installed to the gas through hole of the switching valve. The adjusting knob opens and closes first and second valve bodies selectively. The first valve body is connected to a butane gas holder. The second valve body is connected to LNG(Liquefied Natural Gas) and LPG(Liquefied Petroleum Gas). Thereby, butane gas is supplied when LNG and LPG are short.
Patent KR-20020018584-A (KR)
Title: Negative resist composition
Inventor: UENISHI KAZUYA
IPC: C07C43/178
Filed: 2001-08-31
Abstract: PURPOSE: Provided are resist compositions of the negative chemical amplification type for electron beams or X-rays with various properties including sensitivity, resolution, resist pattern, development defect, coating properties and solvent-solubility. CONSTITUTION: The negative resist composition to be irradiated with one of an electron beam and X ray comprises: (A) an alkali-soluble resin of the formula; (B) a compound capable of generating an acid upon irradiation with a radiation; (C) a crosslinking agent capable of crosslinking by the action of an acid; and (D) one of solvent mixtures (DI) and (DII): (DI) a solvent mixture containing at least one solvent selected from the group A below and at least one solvent selected from the group B below; and (DII) a solvent mixture containing at least one solvent selected from the group A below and at least one solvent selected from the group C below, wherein group A is a propylene glycol monoalkyl ether carboxylate; group B is a propylene glycol monoalkyl ether, an alkyl lactate, an acetic ester, a chain ketone and an alkyl alkoxypropionate; and group C is a gamma -butyrolactone, an ethylene carbonate and a propylene carbonate.
Patent KR-20030021400-A (KR)
Title: A wavelength division multiplexer using long period rating
Inventor: LEE HO JUN
IPC: H04B10/2581
Filed: 2001-09-06
Abstract: PURPOSE: A wavelength division access device using a long-period grid is provided to cancel an optical signal with a wavelength branched to an other side and improve an isolation by installing the long-period grid between an interleaver and a WDM(Wavelength Division Multiplexer). CONSTITUTION: An interleaver(21) bisects a plurality of channels into the same number of channels, and outputs the bisected signals. The first WDM(22) bisects one output signal of the interleaver(21) into the same number of channels, and outputs the bisected signals. The second WDM(23) bisects the other output signal of the interleaver(21) into the same number of channels, and outputs the bisected signals. A plurality of long-period grids(24,25) are installed between the interleaver(21) and the first WDM(22) for restraining a band using a wavelength inputted to the second WDM(23) as a central wavelength. A plurality of long-period grids(26,27) are installed between the interleaver(21) and the second WDM(23) for restraining a band using a wavelength inputted to the first WDM(22) as a central wavelength.
Patent KR-20030024331-A (KR)
Inventor: HUH SANG GEUN
IPC: G01N3/08
Filed: 2001-09-18
Abstract: PURPOSE: A method for testing a tensile strength of a junction of a conveyor belt is provided to reduce costs by accurately estimating the lifespan of the conveyor belt through the tensile strength test performed prior to the use of the conveyor belt. CONSTITUTION: A method comprises a first step of disposing a specimen(16) at the side surface of a junction; a second step of producing a conveyor belt with the specimen attached to the side surface of the junction of the conveyor belt, by performing junction procedures same with the procedures for forming the junction of the conveyor belt; and a third step of estimating a tensile strength of the junction, by performing a test on the tensile strength of the specimen. The specimen is formed through the procedures of being melted and attached by heat and pressure, coupled to the side surface of the junction, cooled for a predetermined time, separated from the side surface of the junction, and tested for its tensile strength.
Patent KR-20030028596-A (KR)
Inventor: JUNG I SEON
IPC: H01L21/762
Filed: 2001-09-20
Abstract: PURPOSE: A method for forming an isolation area in a semiconductor device is provided to improve the characteristic of device isolation by forming an oxynitride layer in a field oxide layer to prevent field recess. CONSTITUTION: A pad oxide and nitride layers(22a,23a) are formed on a semiconductor substrate(21a). A trench region is formed by etching selectively the pad oxide, nitride and the substrate in turn. After an oxide layer is deposited to fill up the trench region, it is flatten by CMP. An N2 ion is implanted on the whole surface to form an oxynitride layer in a field oxide layer(24). The pad nitride and oxide layers are removed during precleaning process.
Patent KR-20030025646-A (KR)
Title: The sencing device of leakage for dangerous article storage tank
Inventor: HWANG SIL GWAN
IPC: B65D90/50
Filed: 2001-09-21
Abstract: PURPOSE: An apparatus for sensing the leakage of a hazardous material storage tank is provided to assure the safety and reliability of use by effectively sensing hazardous material leaked by a damage of the storage tank or intruded ground water and generating an alarm sound as a sensing signal. CONSTITUTION: A vertical through hole(1) is formed through the upper and lower sides of an inner wall(140) of the storage tank(100) for elevating and lowering a buoyant body(2) therewithin. Within the vertical through hole(1) at the upper side of the buoyant body(2), a sensing unit(3) circuit-connected with an alarm sound generating unit(5) at the upper side of the vertical through hole(1) is fixed for generating an alarm sound by the contact of the buoyant body(2) with respect to the sensing unit(3).
Patent KR-20030026435-A (KR)
Title: Method for fabricating ultra-fine multiple patterns
Inventor: CHUNG KYUNG HOON
IPC: H01L21/027
Filed: 2001-09-25
Abstract: PURPOSE: A method for forming ultra-fine multiple patterns is provided to prevent a proximity effect and form accurately ultra-fine multiple patterns by performing repeatedly a sidewall patterning process. CONSTITUTION: A final pattern layer, the second buffer layer, the second pattern layer, the first buffer layer, the first pattern layer are sequentially formed on a substrate(100). The first pattern is formed on the first pattern layer. The first sidewall layer is formed on the first pattern and the first buffer layer. The first sidewalls are formed on a side portion of the first pattern. The first buffer layer and the second pattern layer are etched. The second patterns are formed on the second buffer layer. The second sidewall layer is deposited on the second patterns and the second buffer layer. The second sidewalls(70a-70d) are formed on a side portion of the second patterns. A plurality of buffers(52a-52d) are formed by etching the second buffer layer. A plurality of ultra-fine multiple patterns(51a-51d) are formed by etching the final pattern layer.
Patent KR-20030027523-A (KR)
Title: optical recording medium using hemicianine dye
Inventor: HUH YEONG JAE
IPC: G11B7/246
Filed: 2001-09-29
Abstract: PURPOSE: An optical recording medium using hemi-cyanine dyes is provided to improve the modulation degree of signals and the jitter characteristics and reduce an error generation rate by using hemi-cyanine dyes as optical recording substances. CONSTITUTION: An optical recording medium using hemi-cyanine dyes includes a recording layer(11) containing one or more hemi-cyanine dyes 0.5-10wt%, a reflecting film(12) formed of a metal selected from a group consisting of Au, Al, Ag, Cu, Pd, Pt, Ti, Ta, Cr and Ni, with a thickness of 500-2500Å, and a substrate(10) formed of valleys by a depth of 80-250nm and a width of 200-500nm.
Patent KR-20030027569-A (KR)
Title: Water tap for a water purifier mounted in a sink
Inventor: HWANG YUN GEOL
IPC: F16K5/00
Filed: 2001-09-29
Abstract: PURPOSE: A discharge apparatus of a water purifier embedded in a sink is provided to prevent leakage of a water by installing an opening and closing valve rotated right and left and by installing a housing maximizing a contacting area of a plate of the sink. CONSTITUTION: A discharge apparatus of a water purifier embedded in a sink comprises a housing(21); a valve body(23) and a discharge pipe(25). The housing has a slant lower surface. Therein, an area of the lower surface is expanded to maximize a contacting area to a plate of the sink. The valve body is combined to a valve room(21a). Therein, the valve body is opened and closed by a right and left opening and closing lever(22). The discharge pipe is combined to a branch hole(21b) formed to an outside of the housing with a lock nut(24). A snap ring(26) is combined to a lower end of the lock nut not to be removed. Therein, the discharge pipe is installed stably and leakage of water is prevented by inserting an O-ring(28) to a combining portion of the lock nut and the discharge pipe. Therefore, cleaning, changing and repairing the discharge pipe are easy by loosening the lock nut.
Patent KR-20030029179-A (KR)
Title: OFDM receiver for compensating error of individual phase and common phase about ofdm signal and method thereof
Inventor: KIM DONG GYU
IPC: H04J11/00
Filed: 2001-10-05
Abstract: PURPOSE: An OFDM(Orthogonal Frequency Division Multiplexing) receiving device of compensating an error of an individual phase and a common phase of an OFDM signal is provided to compensate an OFDM signal distortion by estimating distortion components every symbol with the use of a pilot signal, thereby exactly restoring the OFDM signal. CONSTITUTION: An FFT(Fast Fourier Transform) unit(100) performs an FFT process for a digital-type OFDM signal according to an original signal restoring operation for the received OFDM signal. An entire phase distortion calculator(500) detects a pilot signal agreed between OFDM transmitter/receiver from the performed OFDM signal, and calculates a phase distortion generated while restoring the OFDM signal by using the detected pilot signal. A receiving distortion compensator(300) compensates a distortion of the performed OFDM signal based on the calculated phase distortion.
Patent KR-20030028995-A (KR)
Title: a radio connection at a form a language study an actual training a device
Inventor: KIM HYUN GEUN
IPC: H04W88/02
Filed: 2001-10-05
Abstract: PURPOSE: A device for practicing a language study by a wireless connection method is provided to interactively transmit and receive data, and intend cheap maintenance cost and a rapid equipment. CONSTITUTION: An AD conversion interface unit(1A) receives learning contents being spoken from a lecturer or in a language study teaching material or a voice signal being spoken from each trainee, converts the contents or the signal into digital data, and outputs the digital data. A modulation unit(2A) modulates and outputs the digital data into an infrared data association mode for a wireless emission. An infrared LED(4A) converts an inputted signal into an infrared signal and emits the signal by wireless. An LED driving unit(3A) receives the signal being output in the modulation unit(2A), separates the signal into each channel, and drives the infrared LED(4A) for mounting the signal in one frame. A photo diode(4B) receives an infrared signal being emitted in the infrared LED(4A) by wireless, and converts the infrared signal into an electric signal. An amplification unit(3B) amplifies and outputs the electric signal received and converted by the photo diode(4B). A demodulation unit(2B) receives and demodulates the signal amplified in the amplification unit(3B). A DA conversion interface(1B) receives the signal demodulated in the demodulation unit(2B), converts the signal into a sound signal, and transmits the signal to a speaker or a headset.
Patent KR-20030032678-A (KR)
Title: Method of culturing Phellinus linteus by seed fungus which incubated in culture material
Inventor: KIM AN SIK
IPC: A01G1/04
Filed: 2001-10-19
Abstract: PURPOSE: A method of cultivating the titled product which solves the problem to removal of sawdust or the like during processing Phellinus linteus after cultivation of fruit bodies thereof is provided. Therefore, the product simultaneously contains a ginseng component having excellent anticancer activity and increasing immune function and a Phellinus linteus component exhibiting anticancer effect and thus provides an anticancer effect superior to conventional Phellinus linteus. CONSTITUTION: The ginseng Phellinus linteus is prepared by the following process: culturing stains of Phellinus linteus in a cereal medium to produce grain spawn; adding ginseng powder and ginseng extract to edible cereal to produce a ginseng medium which is filled into a culture vessel; sterilizing the culture vessel containing the ginseng medium; inoculating the grain spawn into the ginseng medium; and culturing the grain spawn for a specified period. The edible cereal is one of brown rice, polished rice, barley, wheat, corn, bean, adlay, sorghum and millet. The ginseng medium contains 3 to 10% by weight of ginseng.
Patent KR-20030034926-A (KR)
Title: Heat transferring device having adiabatic means
Inventor: CHO HYE JEONG
IPC: F28D15/04
Filed: 2001-10-29
Abstract: PURPOSE: An apparatus for transferring heat with a heat insulating unit is provided to stabilize initial operation of the apparatus. CONSTITUTION: A heat transfer apparatus(40) comprises a lower plate(42) and an upper plate(60). The lower plate includes an evaporation part(44) contacting with a heating element, and allowing liquefied refrigerant absorbing heat transferred from the heating element to be evaporated therein; a condensation part(48) in which gas flowing out of the evaporation part is condensed; a gas channel(46) through which gas flowing out of the evaporation part flows into the condensation part; a liquefied refrigerant channel allowing liquefied refrigerant to flows from the condensation part to the evaporation part therethrough, and having a part contacting with the evaporation part used as a channel area(56); and heat insulating units(52,54) formed at least between the gas channel and the liquefied refrigerant channel to prevent element obstructing supply of liquefied refrigerant from flowing from the gas channel to the liquefied refrigerant channel. The upper plate contacts with some components of the lower plate including the heat insulating units.
Patent KR-20020052930-A (KR)
Inventor: SHIMANUKI YOSHIHIKO
IPC: H01L23/16
Filed: 2001-11-26
Abstract: PURPOSE: To prevent a package from cracking. CONSTITUTION: There are provided a tab 5 which is smaller than a semiconductor chip 8 and supports the semiconductor chip 8, a sealing part 12 which is formed by resin-sealing the semiconductor chip 8, and an exposed part 4b which is exposed from a support 4a supporting the tab 5 as well as from a rear surface 12a of the sealing part 12 connected to it. Further, there are provided a hanging lead 4 which is upset-processed at the support 4a, a plurality of leads 2 arranged around tab 5, and a wire 10 connecting a pad 7 of the semiconductor chip 8 to the lead 2 corresponding to it. The support 4a of the tab 5 and the hanging lead 4 is formed thinner than the exposed part 4b while a rear surface 8b of the semiconductor chip 8 tightly contacts a resin 11 for sealing. So, a resin balance is improved while adhesion of the semiconductor chip 8 to the sealing resin 11 is improved to prevent a package from cracking.
Patent KR-20030049276-A (KR)
Title: heating device for drying in drum type washing machine
Inventor: CHO HAN GI
IPC: D06F25/00
Filed: 2001-12-14
Abstract: PURPOSE: A drying heater of a drum type washing machine is provided to heat air for drying the laundry quickly by exchanging heat between air and a coil heater directly, and to manufacture easily by simplifying the structure. CONSTITUTION: A drying heating apparatus for a drum type washing machine is composed of a drying duct(100) installed in a body; a planar bracket(200) fastened in the drying duct; a heater supporting part having plural supporting bodies(220) fastened in the bracket by fixing units to form plural lines according to flow direction of air in the drying duct; and a coil heater(230) supported by supporting bodies for heating by receiving power. Air is heated quickly by exchanging heat between air and the coil heater, and heat exchange efficiency is improved by passing air through the coil heater sequentially.
Patent KR-20030049431-A (KR)
Title: Back-flow prevention apparatus of fuel returning pipe
Inventor: CHOI PIL SEON
IPC: B60K15/01
Filed: 2001-12-15
Abstract: PURPOSE: A fuel counter flow preventive apparatus for a fuel return pipe is provided to prevent evaporation gas from being generated in discharging fuel to a fuel filter, and to restrict pollution or fire by preventing counter flow of fuel through the return pipe in overturning the vehicle. CONSTITUTION: A return pipe(25) guides remaining fuel returned from a combustion chamber to a fuel filter. A first cover(31) is expanded in the lower part, and put on the end of the return pipe. A porous hole(34) is formed in the lower part of a second cover(32), and the inlet of the second cover is inclined upward. The first cover is combined with the second cover, and a ball(33) is stored in the second cover. The inclined surface of the second cover is closed by the ball in overturning the vehicle. Evaporation gas is prevented in returning fuel, and fire or contamination is restricted by preventing counter flow of fuel.
Patent KR-20030049540-A (KR)
Title: Seal pattern and its fabrication method of liquid crystal display
Inventor: KIM DO SEONG
IPC: G02F1/1339
Filed: 2001-12-15
Abstract: PURPOSE: A seal pattern of a liquid crystal display and a method for forming the seal pattern are provided to prevent liquid crystal from being introduced into a liquid crystal layer. CONSTITUTION: A seal pattern of a liquid crystal display is composed of the first seal line(13b) formed on the marginal area of a substrate(1), the second seal line(13a) made of silicon resin and formed along the first seal line, and a liquid crystal injection hole(4) formed at one side of the first and second seal lines. The first seal line is formed of epoxy resin. The seal pattern is formed in such a manner that the first seal line is formed on the marginal area of the substrate and hardened, and then the second seal line is formed along the first seal line and hardened.
Patent KR-20030050021-A (KR)
Inventor: PARK IK SEONG
IPC: H02P1/00
Filed: 2001-12-18
Abstract: PURPOSE: A motor driving system is provided to prevent an offset or noise due to a high voltage by disposing an optical coupler between a control power part and a motor driver part so as to form an independent ground. CONSTITUTION: A motor driver part(20) controls a motor drive operation, and a control power part(10) applies a control power to the motor driver part. The first and second optical couplers(31,32) are disposed between the control power part(10) and the motor driver part(20) and separate a common ground. The first and second buffer parts(38a,38b) are connected to the first and second optical couplers(31,32) so as to buffer a power signal. A converter part(37) converts a voltage of the control power part(10).
Patent KR-20030050176-A (KR)
Title: Cleaning solution for photoresist
Inventor: HWANG YEONG SEON
IPC: H01L21/027
Filed: 2001-12-18
Abstract: PURPOSE: A photoresist cleaning solution composition, a method for forming photoresist pattern using the cleaning solution composition and a semiconductor device prepared by using the method are provided, to prevent the disintegration of pattern due to the lower surface tension of the cleaning solution composition compared with distilled water. CONSTITUTION: The photoresist cleaning solution composition comprises 0.001-5 wt% of a polyether-modified silicon compound containing the repeating unit represented by the formula 1; 0.01-10 wt% of an alcohol compound; and 85-99.989 wt% of water, wherein a is an integer of 1-200; X is polyether of C1-C500, alcohol or ammonium salt; and Y is H, CH3, polyether of C1-C500, alcohol or ammonium salt. Preferably the polyether-modified silicon compound is represented by the formula 1a, wherein m and n are an integer of 1-100; and X is polyether of C1-C500, alcohol or ammonium salt.
Patent KR-20030050992-A (KR)
Title: Method of making metal wiring in semiconductor device
Inventor: PARK JEONG HO
IPC: H01L21/3205
Filed: 2001-12-20
Abstract: PURPOSE: A method for fabricating a metal interconnection of a semiconductor device is provided to easily remove an organic anti-reflective coating used in a photolithography process by making the profile of a dual damascene process round through a wet process. CONSTITUTION: After the first nitride layer(3'), the first oxide layer(5'), the second nitride layer(7') and the second oxide layer(9') are sequentially deposited on a semiconductor substrate or lower metal(1), a pattern is formed by using the first mask. The second oxide layer is patterned to form the second-a oxide layer through the first etch method using the first mask and the first photoresist layer is removed. The organic anti-reflective coating is formed on the resultant structure and a pattern is formed by using the second mask. The organic anti-reflective coating, the second nitride layer, the first oxide layer and the first nitride layer are etched to expose the semiconductor substrate or lower metal through a dry etch method using the second mask so that the second-a nitride layer, the first-a oxide layer and the first-a nitride are formed. The second photoresist layer and the organic anti-reflective coating are completely eliminated. The first conductive layer is deposited on the resultant structure. A chemical mechanical polishing(CMP) process is performed to expose the second-a oxide layer and the first conductor(11) is formed.
Patent KR-20030022655-A (KR)
Title: Pharmaceutical Compositions and Health Foods for Inducing IGF-1 Secretion
Inventor: KIM JAE SU
IPC: A61K36/9068
Filed: 2001-12-20
Abstract: PURPOSE: A composition containing an extract of Polygoni Multiflori Radix, Zingiberis Rhizoma or Platycodi Radix having a component for inducing the secretion of IGF-1 is provided which can be orally administered to a person who has low secretion of IGF-1 in the form of a drug or health food. CONSTITUTION: Polygoni Multiflori Radix, Zingiberis Rhizoma, Platycodi Radix or a mixture thereof is heated in water at 60 to 95deg.C to produce a crude extract. Thereafter, the crude extract is filtered with an ultrafiltration membrane with a nominal molecular weight cut-off of 50,000 to 100,000 Daltons. The pharmaceutical composition contains calcium, arginine, lysine, carboxymethyl cellulose or a mixture thereof, together with the above abstract.