baber/WOPTO huggingface dataset:
Patent KR-20040015898-A (KR)
Title: Method of fabricating MOS transistors
Inventor: CHO CHANG HYEON
IPC: H01L21/265
Filed: 2002-08-14
Abstract: PURPOSE: A method for manufacturing an MOS(Metal Oxide Semiconductor) transistor is provided to be capable of preventing the extension of a defect portion and restoring the defect portion. CONSTITUTION: After an isolation layer(32) is formed on a semiconductor substrate(30), a well ion implantation and a channel ion implantation are sequentially carried out on the resultant structure. Well regions(36,40) and channel regions(38,42) are formed by carrying out a rapid thermal annealing process. After a conductive layer is formed on the resultant structure, a plurality of gate patterns(50a,50b) are formed by selectively etching the conductive layer. At this time, an etching damage portion may be generated on the resultant structure. A heat treatment is carried out on the resultant structure for restoring the etching damage portion. Then, a source/drain region(56) are formed at both sides of the gate pattern in the semiconductor substrate.
Patent KR-20040016290-A (KR)
Title: Flat type field emission display and manufacturing method thereof
Inventor: KIM YONG CHEOL
IPC: H01J1/30
Filed: 2002-08-16
Abstract: PURPOSE: A flat field emission device and a fabrication method thereof are provided to prevent an over row insulation film from applying stress to a bottom film. CONSTITUTION: A thin film type field emission device comprises a bottom electrode(2), a tunneling insulation film(4) arranged at a center top part of the bottom electrode, a top electrode arranged on the tunneling insulation film, an over row insulation film(7) insulating electrically the top electrode from the bottom electrode. The over row insulation film is made of amorphous silicon. A fabrication method of a flat field emission device comprises a step of forming the bottom electrode on a plate(1) and forming a field insulation film(3) at a lateral part of the bottom electrode, a step of forming the tunneling insulation film on the bottom electrode between the field insulation films, a step of forming a top electrode pad(5) and a top electrode bus(6), a step of forming the over row insulation film on the top electrode pad and the top electrode bus, and a step of forming a top electrode used as a mask as over row insulation film on the tunneling insulation film.
Patent KR-20040016318-A (KR)
Title: Vehicle Controller Apparatus and Controlling Method for the Same
Inventor: JUNG SANG MUN
IPC: B60R16/00
Filed: 2002-08-16
Abstract: PURPOSE: A controller device for a vehicle and control method thereof is provided to reduce the current consumption of a battery and to increase the electric discharge time of the battery when the vehicle stops running. CONSTITUTION: A controller device for a vehicle is composed of a microcomputer(11) mounted in the vehicle, a remote module(12) connected to the microcomputer and feeding an outer command into the microcomputer, and a submicrocomputer(13). The microcomputer performs electronic control function, and includes a stopping mode and an operating mode according to the running of the vehicle. The submicrocomputer switches the remote module on/off.
Patent KR-20030019894-A (KR)
Title: Schottky barrier diode and method of fabricating the same
Inventor: ASANO TETSURO
IPC: H01L21/328
Filed: 2002-08-23
Abstract: PURPOSE: To solve the problem that a chip cannot be miniaturized smoothly due to mesa etching and a thick polyimide layer and characteristics cannot be improved due to the distance between electrodes in a Schottky barrier diode, and etching at a Schottky junction section cannot be controlled easily in a manufacturing method of a Schottky barrier diode. CONSTITUTION: N- and n+-type ion implanted regions are provided on a substrate surface as an operation region, thus eliminating the need for mesa and a polyimide layer, and achieving the planar type Schottky barrier diode of a compound semiconductor. The costs of a wafer can also be reduced, and the distance between electrodes can be reduced, thus shrinking the chip, and improving high-frequency characteristics. Additionally, GaAs is not etched when a Schottky junction region is formed, thus manufacturing a Schottky barrier diode having excellent reproducibility.
Patent KR-20030019253-A (KR)
Title: An electrophotographic photoconductor and production method of the electrophotographic photoconductor
Inventor: FUKASAWA KIYOSHI
IPC: B05D1/36
Filed: 2002-08-30
Abstract: PURPOSE: An electronic photograph photoreceptor and its preparation method are provided, to reduce the ununiformity of concentration and thickness of a coating remarkably for improving the uniformity of a coating and preventing the unevenness the outermost coating layer. CONSTITUTION: The electronic photograph photoreceptor is prepared by layering the photoreceptor material layers comprising (n) layer to the surface of a cylindrical body. The (n-1)-th layer and the (n-2)-th layer are formed by dip-coating and the n-th layer is formed by spray-coating with the condition that the viscosity of the (n-1)-th layer coating solution is greater than that of the (n-2)-th layer coating solution or the n-th layer coating solution. Preferably the viscosity of the (n-2)-th layer coating solution is 6.0 cps or less, that of the (n-2)-th layer coating solution is 150-450 cps, and that of n-th layer coating solution is 3.0-10.0 cps. Preferably the (n-2)-th layer is a charge generation layer, the (n-1)-th layer is a charge transport layer, and the (n)-th layer is a surface protection layer.
Patent KR-20040022542-A (KR)
Title: The cowl bracket rescue to prevent vibration for vehicles
Inventor: LEE YEONG BEOM
IPC: B62D25/08
Filed: 2002-09-09
Abstract: PURPOSE: A cowl bracket structure to prevent vibration for a vehicle is provided to prevent vibration with the cowl bracket by combining a pedal bracket and the cowl bracket to improve operating feeling of a steering wheel. CONSTITUTION: A dash panel(112) is formed to a front portion. A first pedal bracket(100) is formed to a side of the dash panel. A pedal is installed under the first pedal bracket. The other end of a second pedal bracket(102) is welded to a rear portion of the first pedal bracket to be connected to a cowl cross member(108). A steering bracket(106) is welded to a lower side of the cowl cross member and connected to the steering wheel and a side of a steering column. The second pedal bracket and a cowl bracket(104) are combined by a combining portion(114) shaped like a bolt. Therein, vibration occurring from the steering column and the cowl cross member is absorbed by connecting from the cowl cross member to the dash panel integrally.
Patent KR-20040026870-A (KR)
Title: A platinum-based catalyst for hydrosilylation and its preparing method
Inventor: JUNG YEONG GEUN
IPC: B01J31/28
Filed: 2002-09-26
Abstract: PURPOSE: Provided is a platinum catalyst for hydrosilylation, which is capable of drastically promoting hydrosilation reaction by storing bonding force of ligand, and is excellent in activity and selectivity, and further provided is a method for preparing the same. CONSTITUTION: The catalyst comprises peptide resin with chloromethyl group, hetero hydrocarbon compound ligand containing sulfur (S), nitrogen (N) or both of them, and platinum compound, wherein the platinum compound is reduced, and wherein the ligand is cysteamine, ethylenediamine or 1,3-propane dithiol. The method comprises the steps of (a) making complex compound combined peptide resin containing chloromethyl group with hetero hydrocarbon compound ligand containing sulfur, nitrogen or both of sulfur and nitrogen, and (b) making the resin-ligand complex compound react with platinum compound, wherein the resin and the ligand in the resin-ligand complex compound are combined with a mixing ratio of 100:0.1-20.
Patent KR-20040031432-A (KR)
Title: Power supply device for mobile phone
Inventor: KIM SU HYEONG
IPC: H02J7/04
Filed: 2002-10-07
Abstract: PURPOSE: A power supply apparatus is provided to reduce loss of power by changing the power supply path in accordance with the state of charge of the battery embedded in the portable device. CONSTITUTION: A power supply apparatus(300) comprises an adaptor and a portable device(400). The adaptor includes a charging circuit(CB1) for charging a battery; a DC-DC converter(CB2) for converting the charged voltage into a constant voltage; a first switch(S1) arranged between the charging circuit and the DC-DC converter, wherein the first switch turns on/off the connection between the charging circuit and the DC-DC converter; an on-off control switch(370) for controlling the first switch; a second switch(S2) for selecting the output of the charging circuit or the output of the DC-DC converter, and outputting the selected output to a portable device; and a first switch controller for controlling connection of the first switch when the adaptor is connected to the portable device. The portable device includes a connection recognition control unit for recognizing connection between the adaptor and the portable device; a charging circuit(420) for charging a battery; a DC-DC converter(430) for converting the charged voltage into a constant voltage; a power recognition control unit(450) for checking the state of charge of the charging circuit; a third switch(S3) for connecting the output voltage of the adaptor to the input terminal of the charging circuit or input terminal of the DC-DC converter; and a fourth switch(S4) arranged between the output voltage terminal of the battery and the input terminal of the DC-DC converter so as to control the connection between the battery and the DC-DC converter.
Patent KR-20040024426-A (KR)
Title: Multi purpose car seat for baby
Inventor: PARK KI SU
IPC: B60N2/26
Filed: 2002-10-10
Abstract: PURPOSE: A multipurpose car seat for infants is provided to easily settle to each frame bar by installing a locking device to the bottom of the car seat and to easily attach and detach the car seat to/from the vehicle in mounting the seat to the vehicle by applying a hook having a safe latch. CONSTITUTION: A multipurpose car seat(1) for infants is used for a baby carriage, a rocking chair, and a table chair by settling the car seat to frame bars of the baby carriage, the rocking chair, and the table chair. The multipurpose car seat is composed of a device(2) for regulating the angle of a backrest for convenience of infants and users; an armrest height-adjustable device arranged to an armrest(9) to regulate the height to body shapes of infants; a hook(10) for settling a safety belt installed to the rear side of an upper body(4) to easily attach and detach the car seat to/from the vehicle; and a locking device(3) arranged at the bottom of a lower body(5) to fix a frame bar.
Patent KR-20040033770-A (KR)
Inventor: EUM TAE GEUN
IPC: H04N5/28
Filed: 2002-10-15
Abstract: PURPOSE: An image display device using a model plane is provided to realize an effect that a user actually operates a model plane. CONSTITUTION: A camera(100) is mounted at a model plane for taking photographs of images coming into a lens. A transmitting element(200) transmits the images taken by the camera to the outside. A receiving element(300) receives image signals output from the transmitting element. An A/D(Analog-to-Digital) converter(400) converts the analog image signals into digital image signals. A microprocessor(500) compresses the digital signals in an algorithm recorded in a compressed algorithm(700) for storing the compressed digital signals and outputting the digital signals to the outside. A display unit(800) reproduces the compressed images through fish-eye lenses or goggles.
Patent KR-20040034011-A (KR)
Title: Temperature sensor control apparatus
Inventor: JUNG SEON UK
IPC: G01K5/00
Filed: 2002-10-16
Abstract: PURPOSE: A temperature sensor control apparatus is provided to control a temperature sensor based on a characteristic of the temperature sensor, which is deformed into a second shape if a temperature exceeds a critical temperature. CONSTITUTION: A temperature sensor control apparatus includes a body(10) and a temperature sensor(20). The temperature sensor(20) is accommodated in the body(10) in such a manner that the temperature sensor(20) has a first shape when a temperature is below a critical temperature and a second shape when the temperature exceeds the critical temperature. A control button(30) is provided to allow the temperature sensor(20) to carry out a temperature sensing operation. A moving display member(40) is rotated by means of the control button(30). The body(10) is covered with a cover(50) having a window section(52).
Patent KR-20040034892-A (KR)
Title: Method for processing facsimile data and multi function peripheral for performing the method
Inventor: LEE CHANG SUN
IPC: H04N1/00
Filed: 2002-10-17
Abstract: PURPOSE: A method for processing faxed data and a multifunction complex device performing the same are provided to allow the multifunction complex device to store a faxed message to print, edit, move or delete the message on user's intention, thereby eliminating cost of consumable required for printing the message. CONSTITUTION: Whether a faxed message is received is decided(10). If so, the message receiving is informed to a user(12). The received message is stored in a multifunction complex device(14). Identification information for identifying the stored message is informed to the user(16). The importance of the stored message is checked and whether or not to print the stored message is decided(18). If printing is decided, the stored message is read and printed(20), and if printing is not decided, the importance of the stored message is checked and whether to move, edit or delete the stored message is decided(22). If the movement of the message is decided, the message is moved(24). If the edition of the message is decided, the message is edited(26). And if the deletion of the message is decided, the message is deleted(28).
Patent KR-20040034224-A (KR)
Title: Iron oxide nanoparticles and synthesizing method thereof
Inventor: AHN JAE PYEONG
IPC: B82B3/00
Filed: 2002-10-21
Abstract: PURPOSE: Provided is an economical method for preparing spherical iron oxide nanopowder having uniformly controlled particle diameter and particle diameter distribution, superparamagnetic property and individualization of particles suitable for use in medical applications, from inexpensive starting materials by a simple process. CONSTITUTION: The method comprises the steps of: providing a solution containing a surfactant selected from the group consisting of ROOH, RNH2 and a mixture thereof, in which R is a C6 or higher alkyl or alkenyl, and an organic solvent selected from the group consisting of dibenzylether, diphenylether and dioctylether; introducing iron pentacarbonyl(Fe(CO)5) precursor into the solution, while purging with nitrogen gas, thereby performing thermal decomposition; and oxidizing the solution with residual oxygen left in the thermally decomposed iron pentacarbonyl solution to obtain iron oxide powder.
Patent KR-20040038037-A (KR)
Title: The water transmission characteristic interception wall which purifies the underground water which be imbrued
Inventor: KIM JOON SEOK
IPC: C02F1/28
Filed: 2002-10-31
Abstract: PURPOSE: Provided is a permeable reactive barrier for purifying contaminated underground water. CONSTITUTION: The permeable reactive barrier comprises a reaction wall(30), which is permeable and made of 20 to 80% of sand with a grain size of 0.5 to 5mm and 80 to 20% of reactive material selected from a group consisted of loess, shell, char coal and caustic lime, for purifying underground water, and non-permeable barriers(20a) extended from the reactive wall(30) with a funnel shape for guiding stream of contaminated underground water to the reactive wall(30), wherein contaminants in the contaminated ground water are adsorbed to the reactive wall and removed.
Patent KR-20040038322-A (KR)
Title: Polarization-independent optical polymeric intensity modulator
Inventor: AHN JUN TAE
IPC: G02F1/065
Filed: 2002-10-31
Abstract: PURPOSE: A polarization-independent modulator is provided to turn on-off the optical intensity with a small voltage since it is capable of effectively utilizing the voltage applied thereto from outside. CONSTITUTION: A polarization-independent modulator includes a first optical waveguide core layer, a second optical waveguide core layer, a top cladding layer, a bottom cladding layer, a plurality of electrodes(111a, 111b, 117). The first optical waveguide core layer and the second optical waveguide core layer are connected to each other and include a polymer polarized by an electro-optical effect. The top cladding layer and the bottom cladding layer encompass the first and the second optical waveguide core layers. The plurality of electrodes(111a, 111b, 117) are formed outside of the cladding layers to apply the electric field to the first and the second optical waveguide core layers. And, the electrodes(111a, 111b, 117) are formed on the core layer of the first optical waveguide so as to form the electrical field and the polarization vertical to the substrate and formed on the core layer of the second optical waveguide so as to form the electrical field and the polarization parallel to the substrate.
Patent KR-20040046839-A (KR)
Title: A cup holder for automobile
Inventor: SIM MIN HYEONG
IPC: B60N3/10
Filed: 2002-11-28
Abstract: PURPOSE: A cup holder for a vehicle is provided to sufficiently increase the strength by securing a firm structure, to prevent noise from being generated, and to safely and effectively support cups. CONSTITUTION: The cup holder for a vehicle is composed of a base(3) slidingly embedded in a cup holder case(1) installed to a dash board of the vehicle; a cup supporting plate(7) connected to the base to stretch upward and downward by a spring(9) and a guide bar(11) and formed with a cup inserting hole for inserting a cup; a cover(13) for forming a lid of the cup holder case rotatively installed to the front end of the base and composed of a knob and a hanging sill holding and gripping the cup supporting plate; a hanging pin(21) rotatively mounted to the rear end of the base and formed with a hanging sill(25) for holding and gripping the cup supporting plate to grip the cup supporting plate together with the hanging sill of the cover; and a motion transmitting mechanism(27) for locking and releasing the cup supporting plate at the same time by transmitting rotary motions of the cover installed to the front end of the base to the hanging pin mounted to the rear end of the base.
Patent KR-20040050281-A (KR)
Title: Growth structure of L.E.D.
Inventor: CHOI SEONG CHEOL
IPC: H01L33/04
Filed: 2002-12-10
Abstract: PURPOSE: A growing structure of an LED is provided to maintain uniformly density of electrons and density of holes within an active layer by forming the active layer within a depletion region. CONSTITUTION: A growing structure of an LED includes a substrate, an n-type semiconductor layer, a p-type active layer, and a p-type semiconductor layer. The n-type semiconductor layer(12) is formed on an upper surface of the substrate(11) in order to receive electrons according to the forward voltage. The p-type active layer(14) is grown on an upper surface of the n-type semiconductor layer. The p-type semiconductor layer(15) is formed on an upper surface of the p-type active layer. An n-type active layer(13) is formed between the p-type active layer and the n-type semiconductor layer.
Patent KR-20040052327-A (KR)
Title: Method of manufacutring capacitor for semiconductor device
Inventor: JANG HEON YONG
IPC: H01L21/8242
Filed: 2002-12-16
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to prevent bowing and bridge between storage node electrodes by using a stacked double cylindrical capacitor. CONSTITUTION: The first interlayer dielectric(11) with the first, second and third plug(12A,12B,12C) is formed on a substrate(10). A nitride layer(13) and the first capacitor oxide layer(14) are sequentially formed on the resultant structure. The first holes are formed to expose the first and third plug by selectively etching the first capacitor oxide layer. The first storage node electrode(16) is formed in the first hole. The first capacitor oxide layer is removed. The first dielectric film(17) and the first plate electrode(18) are sequentially formed on the first storage node electrode, thereby forming the first capacitor(C1). Then, the second capacitor(C2) is formed by using the second hole.
Patent KR-20040052369-A (KR)
Title: Mono tube type shock absorber
Inventor: KIM NAM HO
IPC: F16F9/08
Filed: 2002-12-16
Abstract: PURPOSE: A mono-tube type shock absorber is provided to extend the life span and to improve damping force against deformation of the lower part of the tube from impact of foreign matters by placing the free piston in the upper part of the piston valve. CONSTITUTION: A mono-tube type shock absorber comprises an outer mono-tube(10); a piston valve(30) reciprocating up and down in the tube; a free piston(60) installed in a piston rod(20) in the upper part of the tube to separate oil from gas in the tube; the piston rod combined with the piston valve and extended out of the tube. The free piston is placed over the piston valve, and slid on the piston rod. A gas chamber(40) is placed in the upper part of the free piston, and an oil chamber(50) is formed in the lower part of the free piston. Bearings(61) are installed in the inner periphery and the outer periphery of the free piston to smoothly move up and down.
Patent KR-20040055523-A (KR)
Title: APPARATUS OF FIELD MULTIPLICATION OVER GF(p) AND GF(2^m)
Inventor: CHOI YONG JE
IPC: G06F7/52
Filed: 2002-12-21
Abstract: PURPOSE: A device for operating the finite field multiplication of GF(p) and GF(2¬m) is provided to perform all of a GF(p) and a GF(2¬m) elliptic curve cryptosystem by performing a GF(p) decimal finite field multiplication operation and a GF(2¬m) binary finite field multiplication operation. CONSTITUTION: An Nx1 multiplier(400) performs the bit multiplication of a multiplier and a multiplicand. An upper CLA(Carry-Look-Ahead) adder(800) adds the output of the Nx1 multiplier, a sum storing register(1100), and a carry storing register(1200). A lower CLA adder(1000) adds or subtracts two sums of the upper CLA adder, the carry output, and a modular value. A negative number converter(600) converts the modular value into a negative number. For the GF(p) finite field operation, a CSA(Carry-Select-Adder)(1600) adds/outputs the final sum provided from the sum storing register and the carry provided from the carry storing register. A carry register(1500) stores the carry information of the CSA adder. A controller(700) controls each register and input selector for the multiplication operation of each finite field.
Patent KR-20040059502-A (KR)
Title: The keyboard for both one hand and two hands
Inventor: HWANG JAE YEOB
IPC: G06F3/02
Filed: 2002-12-27
Abstract: PURPOSE: A one/two hands keyboard is provided to make the one/two hands keyboard at a lower manufacturing cost while maintaining a shape of the current keyboard, make a user perform input with one hand by installing an extended input key to the current computer set, and reduce key strokes. CONSTITUTION: An additional alphabet key set is added to a numeric keypad. Another key set except alphabets is arranged to the numeric keypad and is selectively used by a character input mode toggle key(3), which is a number lock key. The numeric keypad is changed to a numeric input mode or a character input mode depending on the closing/opening of the number lock key.