baber/WOPTO huggingface dataset:
Patent KR-20000006567-A (KR)
Title: Method of etching silicon-based material
Inventor: MISUIKIAKIRA
IPC: B65D5/50
Filed: 1999-06-30
Abstract: PURPOSE: A method for etching silicon material is provided to be able to selective etch silicon material using resist mask. CONSTITUTION: The method comprises the steps of: first step to prepare etched silicon material, second step to form resist mask having predetermined pattern on the silicon material, and third step to selective etch by plasma-enhancement etching process using the resist mask and an etching gas, the etching gas is compounded by C12, HBr and CHF3. The silicon material is for instance, single crystal silicon, polysilicon, amorphous silicon.
Patent KR-20010010520-A (KR)
Inventor: HONG TAK
IPC: E04F15/16
Filed: 1999-07-21
Abstract: PURPOSE: A charcoal-in-wood floor is provided to be beneficial to health, and control interior environment. CONSTITUTION: A charcoal-in-wood floor is made by the steps of; laminating three wood veneer(11) boards in regular width, and drying; excavating one or two grooves in certain width and depth in the middle of the laminated board; filling charcoal or charcoal composite into the grooves, and drying; making the surface even; laminating two wood veneer boards on the upside of the even surface; laminating a surface finishing board(13); forming a tongue(14) and a groove(15) in the side of the wooden floor mat, and binding the tongue and groove to install easily; and painting the surface finishing board. The charcoal or charcoal composite is charcoal powder or gel-type composite mixed with the charcoal powder and an adhesive.
Patent KR-20000011914-A (KR)
Inventor: KOJIMA SHIKERU
IPC: H01L33/16
Filed: 1999-07-23
Abstract: PURPOSE: A fluorescent device a production method thereof for forming the device row of wide area, having wide selective range of material and also having high fluorescent efficiency are provided. CONSTITUTION: The production method of a fluorescent device has the steps of: stacking a n-type clad layer(12) including a n-type AlGaN silky crystal, a fluorescent layer(13) containing many micro crystal(13a) containing ZnO, a p-type clad layer(14) including silky crystal of p-type BN on a substrate(11) including quartz glass; forming an insulation layer(15) to fill the gap between the microcrystals(13a) in the place between the n-type clad layer(12) and the p-type clad layer(14) to prevent the leakage of current; increasing the fluorescent efficiency of the fluorescent layer(13) by containing many microcrystals(13a) improved the crystalline rate; forming the device heat of large area by widening material selective range of the n-type clad layer(12), the p-type clad layer(14) and the substrate(11).
Patent KR-20010011576-A (KR)
Inventor: KIM HO GEUN
IPC: D06M11/00
Filed: 1999-07-29
Abstract: PURPOSE: A process for preparing the titled fiber by dipping natural ore containing germanium in a cellulose acetate/acetone solution is provided, which produces an electromagnetic shielding fiber capable of effectively protecting electromagnetic wave and maintaining its function without changing fiber characteristics even after washing at low cost. CONSTITUTION: The electromagnetic shielding fiber is manufactured in a process consisting of: crushing natural ore containing 0.36 to 1.05% germanium to 350 to 500 mesh; drying at 100 to 110deg.C; cooling under vacuum; throwing in a 1 to 2% cellulose acetate/acetone solution, agitating for 40 to 50 min and maintaining in an open air blocked state for 10 to 20 min without moving; and dipping in the above solution at ordinary temperature for 30 to 60 min and drying in air. The natural ore containing germanium contains Cu3(Ge)S4 type crystalline germanium.
Patent KR-20010019548-A (KR)
Inventor: LEE CHANG NAM
IPC: E02D29/02
Filed: 1999-08-27
Abstract: PURPOSE: A stone masonry stiffening and retaining wall constructing method is provided to reinforce the existing stone masonry effectively by forming a concrete reverse triangular pyramid on the existing stone masonry. CONSTITUTION: A stone masonry stiffening and retaining wall constructing method comprises the steps of; boring holes through a foundation (2) of an existing stone masonry (1) at regular intervals to the hard ground; filling a cement mortar to the bored holes, driving in a bearing pile (12), then installing a pillar (21); installing a metallic frame (22) to form a pillar (21) and a triangular pyramid on a slant face of the existing stone masonry (1), and connecting an end of frames by a tie beam (23); arranging a horizontal reinforcing bar (24) on a slant face of a reverse triangular pyramid composed of the pillar (21), the frame (22) and the tie beam (23), wherein the horizontal reinforcing bar can be fixed using a bolt and a nut to a frame by boring holes at regular intervals; arranging a vertical reinforcing bar crossing over the horizontal reinforcing bar (24); arranging λ-shaped reinforcing bar (25) on the surface of a reverse triangular pyramid made by the pillar (21), the frame (22) and the tie beam (23); installing a rib lath (26) on the λ-shaped reinforcing bar (25); concreting to the rib lath (26) installed part on the λ-shaped reinforcing bar (25) using the rib lath (26) as a mold form, so that a concrete reverse triangular pyramid (11) is formed.
Patent KR-20010025822-A (KR)
Inventor: LEE GWANG JIN
IPC: G11C7/06
Filed: 1999-09-01
Abstract: PURPOSE: A block sense amplifying device is provided to reduce a chip size and a power consumption by controlling a plurality of block sense amplifiers by using a controller. CONSTITUTION: The block sense amplifying device includes a plurality of section data line pairs(SDL,SDLB), a plurality of equalizers, a plurality of main data line pairs(MDL,MDLB), a plurality of block sense amplifiers(10) and a controller(12). The equalizers are connected with the data line pairs. The block sense amplifiers amplify a pair of signals applied to the data line pairs and output a pair of the signals fully swung to the main data line pairs. The controller inputs a block sense amplifier enable signal(BSAEN), a section data line equalization control signal(RS) and a pair of output signals(SAO,SAOB) provided by one of the block sense amplifiers, simultaneously provides the equalizers and the block sense amplifiers with a common equalization control signal(SEQ) and a common enable signal(BEN) at the time when a pair of the output signals are fully swung.
Patent KR-19990084006-A (KR)
IPC: A47L9/28
Filed: 1999-09-01
Abstract: 본 발명은 진공청소기 충전용 배터리의 과충전/과방전 보호회로에 관한 것으로서, 더욱 구체적으로는 진공청소기등에 내장된 충전용 배터리가 과충전 및 또는 과방전의 반복에 의하여 수명이 단축되고 효율이 저하되는 것을 방지하여 충전용 배터리의 수명을 연장시키고 더 나아가서는 충전용 배터리를 최대효율로 이용할 수 있는 진공청소기 충전용 배터리의 과충전/과방전 보호회로에 관한 것이다. 
     본 발명의 진공청소기 충전용 배터리의 과충전/과방전 보호회로는, DC입력돤자부(10)를 통하여 입력되는 DC전원을 이용하여 충전용 배터리(40)를 충전하고, 만충전까지 충전이 완료되면 충전을 중지시키고,  미소전류를 공급하여 충전용 배터리(40)가 만충전 전압 이상으로 충전되는 것을 방지하는 과충전방지부(20)와, 상기 충전용 배터리(40)로부터 공급되는 전원을 사용하여 진공모터(50)를 구동시키며 충전용 배터리(40)의 방전전압이 소정전압이하로 하강하면 진공모터(50)에 인가되는 전원을 차단하는 과방전방지부(30)로 구성되어서, 충전용 배터리(40)가 사용중에 과충전되거나 과방전되는 것을 방지하여 배터리의 수명이 연장되고 최대효율로 이용할 수 있다.
Patent KR-20010036088-A (KR)
Inventor: HWANG BOK GYU
IPC: H04L12/24
Filed: 1999-10-05
Abstract: PURPOSE: An integrated test command interfacing method in an SLMOS(Subscriber Line Maintenance/Operation System) is provided not to classify the SLMOS and an LCR(Line Condition Report), and to use the integrated test command. CONSTITUTION: A system performs an initialization. The system analyzes integrated test commands, and respectively extracts the first byte, the second byte and the third byte of the integrated test commands. The system discriminates test devices transmitting the analyzed integrated test commands. At this time, according to test device kinds, the test commands are transmitted to an SLMOS(Subscriber Line Maintenance/Operation System) driver(13), an LCR(Line Condition Report) driver(14) and an FMS(FLC-C management System) driver(15). The system generates test commands each test device, and communicate with each driver(13,14,15) by using a TCP/IP(Transmission Control Protocol/Internet Protocol) socket.
Patent KR-20010036706-A (KR)
Title: Multi-bit semiconductor memory device
Inventor: KO TAE YEONG
IPC: G11C5/02
Filed: 1999-10-11
Abstract: PURPOSE: A multi-bit semiconductor memory device is provided which reduces the number of input/output lines arranged between unit arrays and decreases the number of word lines, to improve noise characteristic. CONSTITUTION: A memory bank(MB1) includes memory blocks(M1-M8) and a memory bank(MB2) includes memory blocks(M9-M16). Each memory block consists of upper unit arrays(UAT1-UAT16) and lower unit arrays(UAB1-UAB16). Four pairs of input/output lines(L9,L10) are arranged only between the memory banks, and two pairs of input/output lines are respectively arranged between the memory blocks in the banks. Different two pairs of input/output lines are arranged at the left and right of the upper unit arrays and the lower unit arrays in each memory block. The lines are connected to data buses through multiplexers. Accordingly, the memory block share the four pairs of input/output lines and the upper and lower unit arrays also share the lines. The lines are multiplexed by a multiplexer(MUX9).
Patent KR-20010037370-A (KR)
Inventor: U JANG KAUL
IPC: A01C1/00
Filed: 1999-10-13
Abstract: PURPOSE: Provided are a potato plug seedling and method for growing using the same, which prevent a contagious diseases from spreading and can extend a term of growth by sowing a seed potato on a plug seedbed filling culture and raising seedlings it for a fixed period of time. CONSTITUTION: The potato plug seedling is obtained by sowing a seed potato of about 10-30g on a plug seedbed filling culture and raising seedlings it for a fixed period of time. Bed soil suitable for the potato plug seedling is garden bed soil containing organic matter content of 75-80%, nitrogen of 200ppm, phosphoric acid of 100ppm, potassium of 250ppm, magnesia of 80ppm, calcium of 5000ppm, air permeability of 10-15% and pH of 5.5, and mixture bed soil of the garden bed soil, vermiculite and peat moss in a ratio of 1:1:1.
Patent KR-20010045540-A (KR)
Inventor: BAE JONG DEUK
IPC: D06F37/24
Filed: 1999-11-05
Abstract: PURPOSE: Fluid balance structure of a permeable washer is provided to reduce noise in falling water to a tub cover, and to prevent electric breakdown of an insulator by preventing washing water from being bumped into a grip of a waste thread collector in moving up along an outer tub and moving down to an inner tub. CONSTITUTION: A pulsator(22) and an inner washing tub(2) are unidirectionally rotated at high speed by a motor(5) for centrifugal force, and a V-shaped stream is formed in the inner washing tub. Washing water flows into a washing hole(21) of the inner washing tub by removing contaminants in passing through the laundry. The laundry is washed with moving water up along an outer tub(1) and moving into the inner washing tub by a tub cover(11) and a fluid balancer(3). The washing water flows into the washing hole of the inner washing tub by centrifugal force, and moves into a cover(23) combined with the inner washing tub partially and into a discharge hole(31) of the fluid balancer along a guide passage(24). Waste thread and fuzz are collected to a collecting net(42) in passing water through a waste thread collector(4) of the discharge hole and moving into the inner washing tub. The laundry is washed cleanly by passing the washing water through the collecting net.
Patent KR-20010046091-A (KR)
Inventor: JANG SEUNG HWAN
IPC: H02K3/47
Filed: 1999-11-10
Abstract: PURPOSE: A coreless AC induction motor is provided to achieve improved rotation characteristics with high power output and high accuracy by employing a coreless rotor made up of an aluminum or copper conductive rod so as to decrease inertia of the rotor. CONSTITUTION: A coreless AC induction motor comprises a coreless rotor(11), a rotation shaft(12) coupled to rotate the coreless rotor, a steel rod(13) inserted into the coreless rotor so as to induce a revolving magnetic field; a steel shaft(14) coupled to the steel rod; and a stator(15) positioned at the outer periphery of the coreless rotor which is made up of a material having a high conductivity such as copper or aluminum. The coreless rotor includes a squirrel cage conductive rod having a plurality of slots formed in the lengthwise direction, and a composite material or polymer resin which fills the slots so as to reinforce the stiffness of the squirrel cage conductive rod. The composite material or polymer resin filling the slots contains powder with a high permeability.
Patent KR-20000006961-A (KR)
Inventor: KIM CHUL HONG
IPC: C01F5/14
Filed: 1999-11-16
Abstract: PURPOSE: A method for producing highly pure magnesium hydroxide and active magnesium oxide is provided which has an economical advantage. CONSTITUTION: A method for producing highly pure magnesium hydroxide and active magnesium oxide from raw magnesite containing impurities, which comprises by dissolving the magnesite in acid solution, removing precipitation of impurities; by adding sulfuric acid to supernatant, removing precipitation of calcium; by adding alkali to supernatant, filtering off the solution; washing extracted cake of magnesium hydroxide with deionized water or industrial water; drying and calcining the cake with rotary kiln.
Patent KR-20010047328-A (KR)
Inventor: KIM YEONG CHUN
IPC: B02C23/16
Filed: 1999-11-19
Abstract: PURPOSE: A method for uniformly crushing sintering fuel coke, and a crushing apparatus are provided to improve the productivity of sintering and to stabilize the quality of product by composing the fuel of effective particle size. CONSTITUTION: The crushing apparatus comprises a first hopper(12a), a second hopper(12b), a circulating conveyor belt(110) having a mesh(112) for allowing the materials of specific particle size to be fell, a materials supply suit(12), a sorting part(130) for saving the materials of specific particle size passed through the mesh in the first hopper, and a materials crushing part(140) for crushing the residual materials to the specific particle size and saving it in the second hopper. In this way, the coke having the particle size less than the specific particle size is saved in the first hopper and the coke having the particle size more than the specific particle size is crushed and saved in the second hopper. Again, the coke having the particle size less than the specific particle size is supplied to a coke reservoir, and the coke having the particle size more than the specific particle size is crushed to have a particle size of 1.4 to 1.8mm and is supplied to the coke reservoir.
Patent KR-20010048313-A (KR)
Inventor: YOON HONG YEOL
IPC: F04D21/00
Filed: 1999-11-26
Abstract: PURPOSE: An axial fan of a window type air conditioner is provided to reduce noise and increase a blow amount by minimizing eddy interference of wings by the rotation of the axial fan by minimizing interference of movement with a heat exchanger CONSTITUTION: An axial fan of a window type air conditioner includes wings(20). Each wing has a hub being in the form of a cone at an air inlet part. An end of the wing has a curvature 0.1times less than a diameter of the axial fan from a pressure surface toward a negative pressure surface. Pitch angles of the wing is 32°±1° at a tip portion of the wing, 37°±1° at an end portion of the hub and the range of a sweep angle is 32°¯37°. An external diameter of the wing is 276mm±10mm, the maximum camber position is 0.63 and a rake angle is 0°. The maximum camber is 10% at the tip portion of the wing and 6% at the end portion of the hub, and the range of a hub rate is 0.24 ¯ 0.25.
Patent KR-20000035731-A (KR)
Title: Fuels compositions containing polybutenes of narrow molecular weight distribution
Inventor: MALFER DENNIS J
IPC: C10L1/18
Filed: 1999-11-26
Abstract: PURPOSE: A fuel composition is provided which comprising a spark-ignition fuel, a Mannich detergent, and a polybutene having a molecular weight distribution of 1.4 or less. CONSTITUTION: Polybutenes have a molecular weight distribution (Mw/Mn) of 1.4 or below. Preferred polybutenes have a number average molecular weight (Mn) of from about 500 to about 2000, preferably 600 to about 1000, as determined by gel permeation chromatography (GPC). The polybutenes of the present invention may be prepared by any method yielding the desired molecular weight and a molecular weight distribution of 1.4 or below. The methods of obtaining narrow molecular weight distribution polybutenes include proper catalyst selection, such as using BF3 to form high reactivity polybutenes, and the use of high purity refinery streams to obtain polymers having narrow molecular weight distributions. High reactivity polybutenes have relatively high proportions (i.e., )30%) of polymer molecules having a terminal vinylidene group. The polybutene is a polyisobutene wherein at least 90% by weight, preferably at least 95% by weight, of the polymer is derived from isobutene. The Mannich detergents are obtained by reacting alkyl-substituted hydroxyaromatic compounds, aldehydes and amine. The alkyl-substituted hydroxyaromatic compounds, aldehydes and amine used in the preparation of the Mannich detergents may be any such compounds known and applied in the art, in accordance with the foregoing limitations.
Patent KR-20010048859-A (KR)
Inventor: HAN GYU SEOK
IPC: C21D8/12
Filed: 1999-11-30
Abstract: PURPOSE: An oriented electrical steel sheet and a method for manufacturing the same are provided which improves decarburizing properties as well as magnetic properties by maintaining phase fraction of austenite as it is as maintaining a carbon content as low as possible. CONSTITUTION: The method comprises the processes of hot rolling the slab by reheating to a low temperature of 1200 to 1350 deg.C a slab comprising 2.0 to 4.0 wt.% of Si, 0.006 to 0.030 wt.% of acid soluble Al, 0.007 to 0.013 wt.% of N, 0.05 wt.% or less of C, 0.05 to 1.0 wt.% of Cu, 0.007 wt.% or less of S, 1.0 wt.% or less of Mn which is for satisfying the following Formula determined according to the addition amount of C: Mn≧0.845e¬(-55.124xC) and a balance of Fe and other inevitable impurities, wherein a weight ratio of Cu and S (Cu/S) is 4 or more; annealing and pickling the hot rolled steel sheet; cold rolling to a final thickness with two times of cold rolling method including decarburization annealing at a temperature of 800 to 950 deg.C in the middle of the cold rollings; and coating an annealing separating agent on the cold rolled steel sheet and finishing high temperature annealing the steel sheet under the environment of a mixed gas of hydrogen and nitrogen.
Patent KR-20010053973-A (KR)
Inventor: CHO BONG RAE
IPC: C07C15/27
Filed: 1999-12-02
Abstract: PURPOSE: Provided is octupole nonlinear optical material having high nonlinear optical property and high heat-stability, which dose not have dipole moment and can be used for an optical element and an ultra high integrated optical memory. CONSTITUTION: The octupole nonlinear molecular represented by the formula(I) is produced by dissolving 1,3,5-trinitro-2,4,6-trimethyl benzene or 1,3,5-tricyano-2,4,6-trimethyl benzene and benzaldehyde having a substituent at para position or stilbene carboxy aldehyde having a substituent at 4' position in toluene and then adding piperidine. The octupole nonlinear molecular represented by the formula(II) is produced by reacting 1,3,5-trichloro-2,4,6-trimethyl benzene or 1,3,5-tribromo-2,4,6-tricyano benzene, phenylacetylene having a substituent at para position or phenylethynyl phenylacetylene having a substituent at 4' position, and butyl lithium in THF. In the formula, A is an electron acceptor such as NO2, CN, SO2, etc., D is an electron donor such as piperidinyl, piperazinyl, morpholinyl, etc., and n is an integer of 1-5.
Patent KR-20010054923-A (KR)
Inventor: KIM IN DU
IPC: F01M11/00
Filed: 1999-12-08
Abstract: PURPOSE: A bed plate mounting structure of a vehicle oil pan is provided to change the shape of the bed plate to be coupled on a main bearing cap after being mounted on a cylinder block, thereby improving the stiffness with respect to the coupling with the cylinder block and reducing the noise generated by the vibration transmission from a skirt. CONSTITUTION: In a bed plate mounting structure of a vehicle oil pan, the bed plate(10) is fitted between a lower part of a skirt of a cylinder block and the oil pan and a flange of the bed plate is coupled by bolts on a main bearing cap by bolts, which supports the rotation of a crank shaft on a cylinder block, wherein the bed plate is formed with a curved surface(11) for reinforcing the stiffness on a top surface to be positioned at a lower part of the respective main bearing caps, and a plurality of reinforcing ribs(13) along a rim part with a predetermined interval, and the curved surface is formed with coupling through holes(12) to be overlapped with fixing holes formed in the main bearing cap to be fixed by the bolt.
Patent KR-20010056133-A (KR)
Inventor: KANG SEOK JU
IPC: B60K26/00
Filed: 1999-12-14
Abstract: PURPOSE: A pedal assembly of a car for drive training make the pedals of the passenger s seat to be easily operated by securing a lever ratio without encroaching on the installing space of a peripheral device, thereby sufficiently supporting a driver. CONSTITUTION: A driver's leg power rotates a clutch pedal(2) and a brake pedal(4). A hydraulic pressure generated at each master cylinder(10,14) is provided to each release cylinder, thereby operating a clutch, a brake shoes and a caliper. In addition, the leg power of a trainer in passenger s seat rotates clutch pedal(6) and a brake pedal(8). A hydraulic pressure energizing the leg power at each master cylinder(10,14) is generated. Therefore, a trainer operates a clutch and brake, when a driver does not work a pedal due to an unskilled driving ability, thereby driving safely.
Patent KR-20010061170-A (KR)
Inventor: SHIN MYEONG SIN
IPC: F16H61/02
Filed: 1999-12-28
Abstract: PURPOSE: An engine idle controlling method of an automatic transmission for a vehicle is used to divide an engine idle rpm(revolutions per minute) control to about a neutral gear and a driving gear and control them, respectively. CONSTITUTION: At first, whether the position of a selector lever is in N range or not is decided. If the selector lever is in N range, an engine idle rpm is set as the predetermined first value, a predetermined idle control signal is outputted, and whether the selector lever is converted to a driving gear or not is decided. If the selector lever is converted to the driving gear, a predetermined engine idle elevation requirement signal is outputted and corresponding shift requiring signal is outputted. Therefore, an engine idle rpm is separatedly controlled, thereby reducing fuel and engine noise on a low fluid temperature when the selector lever is in the N range.
Patent KR-20010061270-A (KR)
Inventor: KIM IL GON
IPC: G02F1/136
Filed: 1999-12-28
Abstract: PURPOSE: A thin film transistor substrate for a liquid crystal display device and a method for repairing the same are to repair a short defect of a gate line or a data line using an auxiliary repair line, thereby minimizing a signal distortion of a storage voltage. CONSTITUTION: A gate interconnection includes a plurality of gate lines(22) formed in a row direction. A storage interconnection includes a storage electrode line(26) formed in the same direction as the gate line, a storage electrode(28) and at least one storage connection unit(27) connecting the storage electrode of adjacent pixels. A data interconnection includes a plurality of data lines(62), which are isolated from the gate line and the storage interconnection and formed in a column direction. A pixel electrode(82) has a storage capacity formed by overlapping the pixel with the storage interconnection and receives an image signal. One end of an auxiliary repair line(68) is overlapped with the storage interconnection and the other end of the auxiliary repair line is isolated and overlapped from/with the storage interconnection or the gate interconnection.