baber/WOPTO huggingface dataset:
Patent KR-20010036270-A (KR)
Inventor: CHOI TAE HUI
IPC: H01L29/78
Filed: 1999-10-07
Abstract: PURPOSE: A field effect transistor(FET) having source/drain areas of elevated structure is provided to prevent abnormal growth of an impurity profile of the source/drain areas by improving the shape of an epitaxial layer grown in an area adjacent to a gate pattern. CONSTITUTION: A semiconductor substrate(100) has an active area defined by an element isolating layer(102). A gate pattern is formed in the active area and composed of a gate stack and gate spacers(110'). The gate stack includes a gate oxide layer(104), a gate electrode(106) and a capping layer(108). The first source/drain areas(112) are formed from selective growth of the epitaxial layer at both sides of the gate pattern and are more elevated than the semiconductor substrate(100). The first source/drain areas(112) have a facet structure in areas adjacent to the element isolating layer(102). The second source/drain areas(114) are formed in the first source/drain areas(112) in portions adjacent to the gate pattern and more elevated than the first source/drain areas(112).
Patent KR-20010037831-A (KR)
Inventor: KIM BYEONG EOK
IPC: B01D53/70
Filed: 1999-10-20
Abstract: PURPOSE: A method for eliminating dioxin/furan which are contained in exhaust gas by using Na-supported activated carbon is provided to shorten adsorption time. CONSTITUTION: The method comprises the steps of preparing powdery activated carbon being supported with 1.2 to 10.9wt.%, preferably 3.5 to 7.9wt.% of NaOH, based on the weight of activated carbon; injecting the Na-supported activated carbon into exhaust gas/spraying the Na-supported activated carbon in the form of slurry phase; collecting and disposing the activated carbon powder contaminated by dioxin/furan.
Patent KR-20010045208-A (KR)
Inventor: JEUNG YONG SIK
IPC: G06F17/00
Filed: 1999-11-03
Abstract: PURPOSE: A method for real-time bidirectional remote communication operation is provided to satisfy a user desire according to a prompt input/output by efficiently and directly looking and listening music and a video media. CONSTITUTION: A keypad(10) inputs a command. A remote control signal transmitter(12) transmits a command signal of the keypad(10) to a computer. A computer signal sensor(11) receives data processed by the computer. An LCD(Liquid Crystal Display)(9) monitors a state of a current operation. A hard disc for a database(4) makes a music file a database. A computer digital signal transmitter(5) makes catalogs of data processed digital signals, and transmits the signals to a remote controller. A remote control signal sensor(6) senses and discriminates an input signal of a plurality of remote controllers. A program(7) controls a previous course. A monitor(3) monitors a state of a current operation. Necessary data are provided through a modem connected to the computer or a LAN(8) in case that the data are updated. A user can look and listen music through a monitor(1) and a speaker(2).
Patent KR-20010046005-A (KR)
Inventor: PARK JUNG KEUK
IPC: F25B15/00
Filed: 1999-11-09
Abstract: PURPOSE: A cooling system utilizing air as refrigerant is provided to reduce environmental contamination by eliminating the necessity of using environmentally harmful refrigerant, while achieving simplified structure and superior efficiency. CONSTITUTION: A cooling system comprises an air supply unit(10) for supplying the atmospheric air at a predetermined pressure; a tubular heat exchanger main body(20) having an operation chamber(22) which penetrates through the heat exchanger main body, such that the air supplied from the air supply unit is introduced through an inlet pipe(21), flows through the operation chamber and reflected at the end of the operation chamber so as to return toward the inlet pipe; a turbulence generating member(30) disposed within the inlet pipe of the heat exchanger main body and which generates turbulence from the air being supplied from the air supply unit within the operation chamber of the heat exchanger main body; and a cooling pipe(40) for cooling, through a heat exchange with an external turbulent air, the air reflected from the operation chamber.
Patent KR-20010046686-A (KR)
Inventor: JUNG WON HYEON
IPC: F04B17/04
Filed: 1999-11-15
Abstract: PURPOSE: A stator fixing structure for linear compressor is provided to achieve an in-advance prevention against damage to the valve and sliding member by preventing burr from developing at the frame due to the scratch at the surface of the frame during assembly of inner stator with the frame. CONSTITUTION: An inner stator(4A) fixed at the outer periphery of a frame(1), includes a plurality of thin stator cores(4a) which are radially stacked so as to form a cylinder. The inner stator has an inner periphery which is forcibly inserted into a boss portion(1a) of the frame. A burr prevention ring(10) is arranged between the outer periphery of the boss portion and the inner periphery of the inner stator so as to prevent the outer periphery of the frame from being scratched by the inner stator during the forced insertion. The burr prevention ring includes a burr collection portion(11) formed at the rear end of the burr prevention ring and which is rolled so as to collect burrs developed during the forced insertion of the inner stator into the frame.
Patent KR-20010047160-A (KR)
Inventor: KOO MYEONG SOO
IPC: C07C237/16
Filed: 1999-11-18
Abstract: PURPOSE: New maleic acid derivatives as a ceramide type compound having a characteristic similar to natural ceramide and a process for the preparation thereof are provided, which can be used as materials for improving dry skin by increasing a moisture maintaining function and accelerating the change of a horny layer. CONSTITUTION: Aliphatic organic acid derivatives of formula 3 bonded with alkylamide are dissolved in an organic solvent, reacted with amine derivatives of the formula; R1-NH-R2 in the presence of a weak alkali, washed with acidic and basic aqueous solutions and recrystallized after distillation under reduced pressure to produce the title compound of formula 1. In formula, R1 is H or C2-4 alkyl containing 1 to 2 hydroxyl groups, R2 is C4-24 alkyl having a saturated or unsaturated aliphatic chain and R3 is C8 to 22 alkyl having a saturated or unsaturated aliphatic chain.
Patent KR-20010047286-A (KR)
Inventor: LEE SANG WON
IPC: H01L21/027
Filed: 1999-11-19
Abstract: PURPOSE: An exposing method for forming a fine pattern is provided to prevent the resolution from lowering due to the interference of light by arranging a slit between a light source for exposing and a mask for exposing to the direction vertical to the direction of the light. CONSTITUTION: A slit(26) is arranged between a light source(20) and a mask(26) for exposing, and a lens(27) and a wafer(28) are arranged on the lower part of the mask(26) in turns. The first light(L4) from the light source(20) is diffracted to the second light(L5) via a slit(23), the second light(L5) is diffracted to the third light(L6) via the mask(26), and the third light(L6) is diffracted to the fourth light(L7) via the lens(27), so that a photosensitive film formed on the wafer(28) is exposed by the fourth light(L7).
Patent KR-20000012299-A (KR)
Inventor: BAE SUK DONG
IPC: E01D19/02
Filed: 1999-11-20
Abstract: PURPOSE: The caisson for bridge repairing is provided to improve the reliability and the specialty of in a repair work by enabling the repair work as checking the damaged part of a well tank in a work scene with naked eyes. CONSTITUTION: The installation of a caisson has the steps of: forming a combination hole(12,13) at the right/left sides of the upper/lower part of a body(11); installing a caisson(10) having a reinforcing piece(14) formed; forming a combination hole(17,18) at the left/right sides of the upper/lower part of the body(16); forming the reinforcing piece(19) at an outer circumference; integrally forming a tube(20) at the lower part of inside; forming an injection hole(22) for injecting air or water into the tube(20); forming a cover(21) to be hinge-rotated at the lower side of the tube(20); installing a watertight caisson(15) having a tube protective unit(23) at the upper side.
Patent KR-20010048117-A (KR)
Inventor: YEO JIN GU
IPC: F01N3/20
Filed: 1999-11-25
Abstract: PURPOSE: An exhaust system of an internal combustion engine is provided to keep the heat of discharge gas while passing a discharge gas re-circulation path of an exhaust manifold and reduce the heat loss while passing an inner pipe of the exhaust pipe by a discharge gas flow channel, thereby reducing the activation time of the catalyst of a catalyst converter and reducing the harmful gas generation in case of cold starting. CONSTITUTION: An exhaust system of an internal combustion engine includes an exhaust manifold(34) having at least one or more discharge gas re-circulation path(35) through which partial exhaust gas passes, an exhaust pipe(36) connected to the exhaust manifold and having a discharge gas flow channel(36c) communicated with the discharge gas re-circulation path, and an exhaust gas flow channel(46) connected to the discharge gas re-circulation valve and an intake manifold respectively.
Patent KR-20000057027-A (KR)
Inventor: NAKAMURANOBUO
IPC: H04N5/345
Filed: 1999-11-30
Abstract: PURPOSE: A solid state imaging device is provided to select more than three pixel rows at a time, to prevent stripes as well as black collapse from occurring, and to make the accumulation period uniform, altogether in order to improve the quality of the imaging output. CONSTITUTION: A solid state imaging device includes an image pickup member, a vertical register circuit(21,22), a horizontal register circuit(3), and a timing generator(10). The image pickup member includes a light incident surface which is larger than an imaging region of the image signal. The vertical register circuit(21,22) actuates pixel rows in an image pickup member. The horizontal register circuit(3) selects the pixel columns in the image pickup member. The timing generator(10) supplies a signal charging time control signal to the vertical register circuit. The vertical register circuit is capable of more than three pixel rows at a time.
Patent KR-20010054724-A (KR)
Inventor: KWON YUN RNO
IPC: F24H9/14
Filed: 1999-12-08
Abstract: PURPOSE: Connecting structure for a pipe connectors or a ball valve in a water distributor and a water collector for a boiler is provided to prevent water leakage without a leakage prevention screw seal when the pipe connectors or the ball valve is connected to a nipple or a socket and to enable a worker to assemble the pipe connectors or the ball valve by hand without a tightening tool. CONSTITUTION: Pipe joint or a ball valve joint connecting structure comprises an external thread surface(22) of a nipple(2) of which the section of a male screw is linear to be equally engaged with an internal thread surface(41a) of a pipe connectors(4a); a supporting round sill(42a) of the pipe connectors formed perpendicularly to the female screw of the internal thread surface; and a packing(5a) consisting of an upper and a lower recessed face with an outer circumference having a round section and with an inner circumference integrated with the inner circumference of the supporting round sill. Then, an attachment portion(21) of the nipple is welded into through holes(13) of a water distributor and a water collector for a boiler. After that, the internal thread surface of the pipe connectors is assembled with the external thread surface of the nipple by screws while a leakage prevention screw seal is already wound on the external thread surface.
Patent KR-20010054799-A (KR)
Inventor: KWON O DAL
IPC: G02B6/00
Filed: 1999-12-08
Abstract: PURPOSE: An optical fiber block for a tight coated optical fiber is provided to horizontal-arrange correctly a large-format optical fiber such as a tight coated optical fiber, while shortening a process time by minimizing an etched area and protecting the optical fiber from an external impact. CONSTITUTION: In an optical fiber block for a tight coated optical fiber, an under substrate(310) includes a clad slot(320) formed in one side thereon and a jacket slot(330) formed in alignment with the clad slot in the other side thereon. An upper substrate having a flat plate shape is attached to the one side of the upper plane of the under substrate. The upper substrate includes a substrate slot corresponding to the clad slot thereunder. The cross-section shapes of clad slot and the jacket slot are a V-shaped slot.
Patent KR-20010055533-A (KR)
Inventor: KIM YONG SEONG
IPC: B26D5/00
Filed: 1999-12-10
Abstract: PURPOSE: Control method and device of a cutter automatize the operation of the cutter without using a complex electronic circuit. CONSTITUTION: A control method includes an operation selecting switch(110), an operation switch(130), a reset switch(140) and a control device(145). The operation selecting switch(110) is connected with a power resource part(100) to impress or cut electricity to a cutting device and the operation switch(130) by the selection of a user. The operation switch(130) is impressed with electricity from the operation selecting switch(110) to impress a using start signal to the control device(145) as the user selects using start. The reset switch(140) detects the completion of cutting of the cutting device(120) to impress cutting completion signal to the control device(145). The control device(145) generates and transmits push operation signal to a pneumatic pump(150) on receiving the using start signal of the operation switch(130) and pull operation signal on receiving cutting completion signal of the reset switch(140).
Patent KR-20010057223-A (KR)
Inventor: JUNG HAE
IPC: H04L12/28
Filed: 1999-12-20
Abstract: PURPOSE: A method of ranging on a passive optical network(PON) is provided to reduce the effect on the ONU services by minimizing the window length if the optical line length is know between the ONU and the other optical line termination(OLT). CONSTITUTION: In the method of ranging on a passive optical network(PON), in step (310), the OLT(optical line termination) determines the equalization delay and window length for presetting. In step (320), the OLT sends the determined preset equalization delay value to the ONU. In step (330), the downward frame is formatted. In step (340), the OLT calculates the final equalization delay value after the ranging response cell has arrived from the ONU. In step (350), the final equalization delay is sent to the ONU for ranging.
Patent KR-20010063550-A (KR)
Inventor: LEE IN HO
IPC: G01N19/00
Filed: 1999-12-22
Abstract: PURPOSE: A method for measuring mechanical stress remaining inside XLPE power cable insulation is provided to quantitatively measure distribution state of stress over the cable insulation without applying thermal stress. CONSTITUTION: A method for measuring mechanical stress remaining inside XLPE power cable insulation includes the steps of positioning an incandescent light source(1) emitting lights having the minimum brightness more than 0.0465W/cm2, polarized light plates(3,5) having vertical parallel transmissivity of 500 times more, a cable test piece(4) positioned between the polarized light plates, a compensator(6) measuring retardation changing according to distribution and concentration of stress; measuring retardation by sensing the emitted lights passing through the first polarized light plate to be firstly polarized, generating double refraction at the cable test piece, thereafter passing the second polarized light plate to be polarized; and calculating quantitative value of mechanical stress remaining inside the test piece by substituting the measured retardation for a general formula.
Patent KR-20010078518-A (KR)
Inventor: KIM BONG TAE
IPC: H04L12/28
Filed: 1999-12-27
Abstract: PURPOSE: A traffic control method of an ATM(Asynchronous Transfer Mode) switch is provided to control a cell backlog of a common buffer type ATM switch module to accommodate an ABR(Available Bit Rate) and an UBR(Unspecified Bit Rate) in the ATM switch system. CONSTITUTION: An ATM switch system comprises a number of matching modules(111,121) accommodating a number of subscribers or relay lines, and a central switch module(131) accommodating the above matching modules. An input module(111) is flowed into the switch module according to a data transmission direction, and the switch module outputs through an output module(121). The matching modules connected with a number of subscribers/relay lines comprises a line interface(L1,112) taking full charge of a physical layer function of an ATM protocol, and a traffic control module(TCM,113) taking full charge of a buffer management in a cell unit and a traffic control function. The TCM(113) included in the input module is an Ingress TCM, and a TCM(123) included in the output module is an Egress TCM. The central switch module has a number of input/output ports(141), and each ATM unit switch module is a common buffer type switch.
Patent KR-20010061608-A (KR)
Inventor: JANG SANG BIN
IPC: B31C1/00
Filed: 1999-12-28
Abstract: PURPOSE: A label cutter of a label winder is provided to increase productivity by eliminating an adhesive applying process during the winding of a cut label and to relieve manufacturing difficulties by simplifying constituted parts. CONSTITUTION: After winding a label(200) around plural branch pipes(101), a plate(100) rotates for moving a rotary roller(10) positioned in a label winding process(B). In a process of positioning a winding shaft(2), the winding shaft moves to the upside of the rotary roller downwardly by a rotary support instrument and the label is cut in between a pair of rollers and the winding shaft. With the completion of the descent of a slidable body(72), a cylinder device(73) advances and a cutting blade(74) proceeds to cut the label. The end of the cut label is wound around the branch pipe positioned at a winding shaft-withdraw-waiting process(C) while another end is wound around the branch pipe by air pressure. A cylinder device(75) advances and a blade(76) is forcibly fitted between the winding shaft and the rotary roller. With the label folded to be fitted, one end thereof is pressed and the label is wound.
Patent KR-20010065617-A (KR)
Inventor: JUN SEOK BO
IPC: H01L21/336
Filed: 1999-12-30
Abstract: PURPOSE: A structure of a semiconductor device and a method for manufacturing the same are provided to ensure a process margin by using an inverted sidewall spacer lightly doped drain structure. CONSTITUTION: An isolation layer(24) of an STI(Shallow Trench Isolation) structure is formed on a trench of an isolation region of a semiconductor substrate(21). A sinking channel region is formed on an active region. A gate oxide layer(29) is formed on the sinking channel region. The first and second LDD(Inverted Sidewall Spacer Lightly Doped Drain) regions(26a,26b) are formed at both sides of the sinking channel region. An inverted sidewall(27) is formed on the first and the second LDD regions(26a,26b). A gate electrode(30) is formed on the gate oxide layer(29) and the inverted sidewall(27). The first and second dopant regions(31a,31b) are formed at both sides of the gate electrode(30). An interlayer dielectric(32) is formed on the gate electrode(30). The first and second metal electrode layers(33a,33b) are formed thereon.
Patent KR-20010065880-A (KR)
Inventor: KIM HANG MUK
IPC: B60J5/00
Filed: 1999-12-30
Abstract: PURPOSE: A vehicle door regulator is provided to reduce friction for reducing an abrasion amount and minimizing vibration by forming first and second contact surfaces respectively having elasticity to a stopper to be inserted into a guide rail to move in every direction and mounting a grease pocket, thereby providing stability when opening or closing the door. CONSTITUTION: A vehicle door regulator includes a stopper(30) mounted in a guide rail for limiting a motion width of a balance arm and a lift arm when the arms move in the shape of "X" and simultaneously stopping a window glass, wherein the stopper includes first contact surfaces(31) formed at upper and lower surfaces of both ends with elasticity to contact the guide rail elastically when moving in contact with upper and lower surfaces in the guide rail and having a cushion hole(31a) in the center for absorbing the shock generated by the collision with the guide rail in the vertical direction, and second contact surfaces(32) formed at a side of a front surface of the both ends with elasticity to contact with the guide rail in a backward direction elastically when moving in contact with a front surface of the guide rail, and having a cushion hole(32a) for absorbing the shock generated by the collision with the guide rail.
Patent KR-20010059579-A (KR)
Inventor: HUH GEUM SIK
IPC: C21B7/20
Filed: 1999-12-30
Abstract: PURPOSE: A method for charging charge is provided to exterminate secondary facility and safety accidents by automatically removing adhered materials through self-diagnosis in the initial growing stage of the adhered materials, thereby preventing the adhered materials from being grown into a large scale, and stably removing the adhered materials as maintaining the normal operation. CONSTITUTION: In a method for sequentially charging coke, large size sinter and small size sinter into a blast furnace, the method for charging charge comprises the steps of judging whether hearth is in the inert environment or not; and charging silica into the blast furnace before charging the small size sinter when the hearth is in the inert environment, wherein the inert environment of the hearth corresponds to the following conditions: (1) hearth average temperature<70 deg.C, (2) average temperature of two stages of hearth<60 deg.C (maintained for 5 days) and (3) 75% of T/C of two stages of hearth<50 deg.C (maintained for 5 days), and the silica is charged so that the silica is slipped along the wall part of a blast furnace.
Patent KR-20010059810-A (KR)
Inventor: LEE PAN SEOK
IPC: B60J3/02
Filed: 1999-12-30
Abstract: PURPOSE: A sunvisor mounting structure is provided to appropriately adjust rotary operational force of a sunvisor by controlling tension of a spring, thereby preventing shaking of the sunvisor and noise according to the shaking. CONSTITUTION: In a sunvisor mounting structure elastically fixing a pivot arm(10) coupled to a sunvisor(1) at a pivot cover(20) coupled to a loop panel(3) via a spring(30), the sunvisor mounting structure includes a spring cover(40) fixed at the upper end of the pivot arm to be movably up and down coupled with the pivot cover with supporting the upper end of the spring, wherein a coupling piece(41) is formed at the center part of the spring cover to be coupled with a circular coupling groove(11) formed at the upper end of the pivot arm, an adjust bolt(23) installed at the pivot cover to be coupled with an outline end part of the spring cover, and a nut(25) and a nut groove(43) formed at the outline end part of the spring cover for coupling the adjust bolt.