baber/WOPTO huggingface dataset:
Patent KR-20010005234-A (KR)
Inventor: BAE GYEONG JIN
IPC: H01L27/108
Filed: 1999-06-30
Abstract: PURPOSE: A method for fabricating a storage electrode of a semiconductor device is provided to improve the characteristic and the reliability of the semiconductor device by preventing the creation of a bridge. CONSTITUTION: A bit line is formed on an interlayer dielectric which is provided with a landing contact plug(32). The interlayer dielectric(31) is formed on a semiconductor substrate(30) formed with a lower structure. Then, the first sacrificial insulating film pattern having a storage electrode contact hole for exposing a storage electrode area is formed. After forming a conductive layer on a surface of the structure, the second sacrificial insulation film is formed on the conductive layer. Then, a cylindrical storage electrode is formed by separating an upper portion of the conductive layer. At this time, the second sacrificial insulation layer is removed. An MPS(meta stable polysilicon) layer(42) is selectively grown in an inner wall of the cylindrical storage electrode. After removing the first sacrificial insulating film, the MPS layer(42) is grown in an outer wall of the cylindrical storage electrode.
Patent KR-20000011649-A (KR)
Inventor: KEKA SHAKOYO
IPC: H04B1/707
Filed: 1999-07-12
Abstract: PURPOSE: A wireless communication system using a frequency converter is provided to give an accuracy level improved frequency. CONSTITUTION: The phase synchronized loop of the frequency converter generates a local departure signal having a low frequency among plural local departure signals that have different frequencies on the basis of an intermediate frequency beacon signal generated by mixing a certain beacon signal and the local departure frequency signal. Even if the phase synchronized loop is used for generating an only low frequency local departure signal, a frequency offset and phase noise generated from the rest high frequency local departure signal, is calibrated or canceled. Therefore, the frequency converter becomes a high frequency accuracy.
Patent KR-20000017596-A (KR)
Inventor: ISHIWARA HIROSHI
IPC: G11C14/00
Filed: 1999-08-27
Abstract: PURPOSE: A memory structure of a ferroelectric non-volatile memory and reading method thereof is provided, which connects a ferroelectric capacitor to a gate of a field effect transistor and reads an information from the memory. CONSTITUTION: The memory structure of a ferroelectric non-volatile memory comprises: a field effect transistor (Tr); a first ferroelectric capacitor (CA) to be connected to a gate electrode of the field effect transistor (Tr); and a second ferroelectric capacitor (CB) to be connected to a gate electrode of the field effect transistor (Tr), which a residual polarity amount is identical to the residual polarity amount of the first ferroelectric capacitor (CA). Ferroelectric thin films of the first ferroelectric capacitor (CA) and the second ferroelectric capacitor (CB) have a polarity opposed to the gate electrode of the field effect transistor (Tr). Thereby, it is possible to delay an information maintaining time.
Patent KR-20010025812-A (KR)
Inventor: HWANG DONG WON
IPC: B01J21/06
Filed: 1999-09-01
Abstract: PURPOSE: Disclosed is a photocatalyst for decomposing water to hydrogen and oxygen under the ambient temperature and pressure conditions. CONSTITUTION: The devised photocatalyst, AnBnO3n+2, where A is one of calcium or lanthanum, B is niobium and titanium, and n is 4 or 5, is capable of decomposing water to hydrogen and oxygen using a self-sacrifice organic alcohol. The impregnated content of the metal species is 0.1 - 5 wt% and nickel, platinum, cesium or bismuth are applicable for the metal species. And the photocatalyst is reduced at 300 - 800 deg. C and oxidized at 200 - 500 deg. C.
Patent KR-20010026045-A (KR)
Inventor: SEO JEONG GEUN
IPC: H01L21/304
Filed: 1999-09-02
Abstract: PURPOSE: A dry-cleaning apparatus is provided to prevent a defect of a semiconductor device caused by polymer not completely eliminated, by effectively setting an interval of time taken for a dry-cleaning process according to the quantity of the polymer formed in a process chamber. CONSTITUTION: A gas supply unit(180) supplies gas into a process chamber(110). A radio frequency(RF) supplying unit(170) supplies RF power to an electrode installed inside the process chamber. A detecting unit detects impedance formed in the process chamber. A controller(200) controls operation of the gas supply unit and the RF power supplying unit, and stops the gas supply unit when the impedance inputted from the impedance detecting unit reaches a predetermined value.
Patent KR-20010027616-A (KR)
Inventor: PARK GYU BEOM
IPC: B09B3/00
Filed: 1999-09-14
Abstract: PURPOSE: A food waste treatment equipment is provided, which collects food waste without any bags and selects foreign material such as metal by manual works. The process is operated automatically through the whole process of crushing, de-watering, fermenting and drying and bagging. CONSTITUTION: The system comprises the followings: (i) a hopper(1) for feeding food waste; (ii) a selection device for selecting foreign material that is harmful to livestock; (iii) a crusher; (iv) a de-watering device; (v) a fermenting and drying tank(35) for fermenting and drying the food waste at optimum temperature and humidity; (vi) a screen(38) for screening by particle size using vibration; and (vii) a bagging machine(40).
Patent KR-20010027680-A (KR)
Inventor: KIM MYEONG JIN
IPC: H01L21/76
Filed: 1999-09-15
Abstract: PURPOSE: A method for manufacturing a trench of a non-volatile memory device using a self-aligned etching process is provided to control a bird's beak generated in an edge of a tunnel oxide layer, by preventing the tunnel oxide layer from being re-grown from the edge of the tunnel oxide layer to the central portion of the tunnel oxide layer. CONSTITUTION: A tunnel oxide layer(200) is formed on a semiconductor substrate(100). The tunnel oxide layer is annealed in an atmosphere of supplying a nitrogen source to form a nitrogen-rich oxide layer on an interface between the tunnel oxide layer and the semiconductor substrate. A conductive layer is formed on the tunnel oxide layer. The conductive layer, the tunnel oxide layer and the semiconductor substrate are patterned by a self-align method to form a trench in the semiconductor substrate. The trench is annealed and cured in an oxygen atmosphere.
Patent KR-20000029033-A (KR)
Inventor: KULOSKAMOHAN
IPC: H01L23/28
Filed: 1999-10-13
Abstract: PURPOSE: A semiconductor device is provided which has the improved reliability by preventing the connection defect of a prolonged part and the delamination between a substrate and a sealing resin. CONSTITUTION: A semiconductor device comprises: a prolonged part(17) which each lead(16)connecting an electrode terminal(12) of the semiconductor device to an external connection terminal(14) electrically serializes in parallel on an electrode formation surface of a semiconductor chip(10), being distant from the electrode formation surface; an external connection terminal post(22) formed on one end of the prolonged part; and an electrode terminal post(24) connected to the electrode terminal of the semiconductor device. The electrode terminal post and the prolonged part are sealed with a sealing resin(18), and an end part of the external connection terminal post is revealed from the sealing resin.
Patent KR-20010037001-A (KR)
Inventor: CHOI JAE BONG
IPC: B23Q17/00
Filed: 1999-10-13
Abstract: PURPOSE: A main spindle rpm(revolutions per minute) checking device of numerical controller expresses the real rpm and an ordered rpm. CONSTITUTION: A main spindle rpm checking device of numerical controller comprises a spindle motor(10), a magnetic unit(22), a spindle unit(20) and an NC(30). The magnetic unit(22) converts the output signals of a magnetic sensor(21) into electrical signals. The spindle unit(20) outputs the positions of a main spindle and the spindle motor(10) after converting them into constant electric signals. The NC(30) outputs the positions or the moving speeds of a table or a tool rest to an implementing portion(40) for a worker to know them.
Patent KR-20010037076-A (KR)
Inventor: JUNG PYEONG SEON
IPC: B23K9/127
Filed: 1999-10-13
Abstract: PURPOSE: A pipe flange automatic welding apparatus is provided to accurately perform welding work by installing an electronic sensor at side surface of a guide roller fixing plate, prevent flange from being separated by installing a guide roller pressing device at the guide roller fixing plate, and accurately set positions by installing a height/distance control part at an upper guider. CONSTITUTION: The pipe flange automatic welding apparatus comprises an upper guider (58) connected to a post rotation device (60), wherein a guide part (64) is vertically formed on the center of the upper guider, the post rotation device is installed at the upper part of a vertical pillar (54), and first bearing (62) is installed at the post rotation device; a height/distance control part (68) in combination with the guider part of the upper guider, wherein the height/distance control part is equipped with an up and down movable handle (70) and left and right movable handle (72); an up and down movable joint part (78) connected to the left and right movable handle of the height/distance control part by first connection panel (74); a welding device head joint part connected to the up and down movable joint part with a coupling pin (80), wherein a control box is installed at the welding device head joint part; and a welding device head (88) coupled to the welding device head joint part by a second bearing (112) and a second connection panel (86), wherein the welding device head is installed at the lower part of guide roller fixing plates.
Patent KR-20010045062-A (KR)
Inventor: HWANG JIN SEONG
IPC: D06F37/36
Filed: 1999-11-02
Abstract: PURPOSE: A stream control method of a permeable washer is provided to perform washing optimally by controlling rotational speed of a motor and varying speed gradually. CONSTITUTION: Speed of a motor is accelerated clockwise by increasing voltage supplied to the motor. The motor is driven clockwise at constant speed by supplying the constant voltage to the motor. The motor is decelerated with reducing the voltage supplied to the motor. The motor is rotated with surplus power by shutting off the voltage supplied to the motor. The multistage stream control is repeated, and stirring washing is performed with surplus power. An inner tub having a permeable hole is rotated with surplus power, and agitation washing is performed with turning a pulsator. The inner tub is driven by accelerating the motor to generate centrifugal force for flowing washing water to an outer tub and circulating to the inner tub. Stream noise of washing water is prevented with accelerating slowly till separating washing water and accelerating suddenly, and the permeable washer is used conveniently.
Patent KR-20000035472-A (KR)
Title: Water-distribution piping of gas-dissolved cleaning water
Inventor: MORITA HIROSHI
IPC: H01L21/304
Filed: 1999-11-15
Abstract: PURPOSE: A water-distribution piping for gas-dissolved cleaning water is provided which can supply cleaning water with nearly constant gas concentration at all use points even when the cleaning water in which a self-decomposing gas is dissolved is transported over a long distance from the main pipe to branch pipes having multiple use points in a wet cleaning process of electronic materials. CONSTITUTION: To offer a water distribution piping for gas-dissolved cleaning water which is capable of supplying cleaning water that has an essentially constant gas concentration to all use points even when the cleaning water in which a self-decomposing gas is dissolved is distributed over a long distance from the main pipe(5) to branch pipes(10) that have multiple use points(7) in a wet cleaning process of electronic materials. A means of Solving the ProblemU A water distribution piping for gas-dissolved cleaning water which distributes cleaning water, made by dissolving gas in pure water, in the presence of gas, and characterized by the installation of an in-line mixer(12) immediately upstream of each point at which a branch pipe(10) extends from the main pipe(5).
Patent KR-20000035477-A (KR)
Title: Sulfoxide compounds and acetone complexes, and a process for producing the same
Inventor: TSUJII MASAHIKO
IPC: C07D401/12
Filed: 1999-11-15
Abstract: PURPOSE: Acetone complexes of sulfoxide compounds, a process for producing them and a purification method of using them are provided which is useful as medicines such as inhibitors of gastric acid secretion and anti-ulcer agents or as intermediates for production of medicines. CONSTITUTION: Acetone complexes of sulfoxide compounds or of pharmaceutically acceptable salts thereof are represented by the following formula(I): wherein R1 represents a hydrogen atom, a method group or a difluoromethoxy group, R2 represents a methyl group or a method group, R3 represents a 3-methodpropoxy group, a method group or a 2,2,2-trifluoroethoxy group, R4 represents a hydrogen atom or a methyl group, n and m independently represent an integer of 1 to 4, and B represents a hydrogen atom, an alkali metal atom or 1/2 alkaline earth metal atom. The formula are obtained by treating the sulfoxide compounds or pharmaceutically acceptable salts thereof with acetone.
Patent KR-20010055226-A (KR)
Inventor: CHO WON GI
IPC: H01J1/30
Filed: 1999-12-10
Abstract: PURPOSE: A field emission display element having an enhanced light emitting uniformity and a method of producing the same is provided to improve the emission uniformity by mounting resistors having uniform value at an electrode. CONSTITUTION: The field emission display element includes a plurality of pixels. These pixels comprise a planar emitter for emitting an electron with the aid of voltage applied between an anode(72) and a gate electrode(74), the planar emitter being formed between the anode(72) and the gate electrode(74); and an upper electrode formed on the anode(72) and the gate electrode(74) through an insulated layer. At this time, the upper electrode is connected with the gate electrode(74) through a hole(80) formed at the insulated layer. The pixels further comprise a resistance material layer(82) is connected with the anode(72) or the gate electrode(74) in series. Thereby, the pixels uniformly emit the electron, respectively.
Patent KR-20010055329-A (KR)
Inventor: YOO PYEONG HWAN
IPC: F16H61/16
Filed: 1999-12-10
Abstract: PURPOSE: A gearshift control method prevents frequent gearshift to improve acceleration performance and reduce shock. CONSTITUTION: A method comprises four steps. The first step(S20) is to determine whether it is upshift. The second step(S21) is to determine whether the throttle opening amount is below than the power on/off determination level if it is upshift. The third step(S22) is to determine whether the variate of the throttle opening amount is below the set value if the throttle opening amount is below the power on/off determination level. The fourth step(S23) is to prohibit upshift if the variance of the throttle opening amount is below the set value.
Patent KR-20010063420-A (KR)
Inventor: KIM HYEONG SEON
IPC: H04W8/24
Filed: 1999-12-22
Abstract: PURPOSE: A method for delivering a cyber admission ticket using a mobile communication network is provided to request a cyber admission ticket through various paths, and to receive the cyber admission ticket through a mobile communication terminal. CONSTITUTION: A system stores admission information including an admission available program list and a corresponding cyber admission ticket supplied from a broadcasting station. According as a cyber admission ticket-delivering request is inputted from a subscriber, the system inquires the admission information, and guides the inquired admission information to the subscriber. On the basis of the admission information, the system transmits the cyber admission ticket by using a mobile communication network when an admission available signal is inputted from the subscriber.
Patent KR-20010063431-A (KR)
Inventor: CHA YONG WON
IPC: H01L27/108
Filed: 1999-12-22
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to guarantee desired capacitance by forming a plurality of capacitors in a cell, and to improve planarization in a subsequent process by improving step coverage between the cell and a peripherical circuit. CONSTITUTION: An insulation layer(21) is formed on a semiconductor substrate(20), and a contact hole is formed to expose the semiconductor substrate. The first polysilicon layer(22) and an oxide layer(23) are sequentially deposited on the resultant structure including the contact hole, and are patterned to form the first oxide layer pattern(23a). A portion of the first oxide layer pattern is etched to form a plurality of the second oxide layer patterns(23b). Th second polysilicon layer(26) is formed on the resultant structure including the plurality of the second oxide layer patterns. An entire etching process is performed until upper surfaces of the plurality of the second oxide layer patterns are exposed and to form the second polysilicon layer spacer. The plurality of the second oxide layer patterns are eliminated to form a plurality of cylindrical charge storage electrodes composed of the second polysilicon layer spacer on the first polysilicon layer. A dielectric material and a plate electrode(27) are formed on the plurality of cylindrical charge storage electrodes.
Patent KR-20010057513-A (KR)
Inventor: WON DONG HUN
IPC: H02J7/14
Filed: 1999-12-23
Abstract: PURPOSE: A charging method for minimizing damage on an accumulator of a charger for an electric vehicle is provided to improve performance of a vehicle by minimizing damage on an accumulator. CONSTITUTION: A reference value of a charged current is received. A proper current value is calculated according to variations of an inside resistance value of an accumulator. An element is switched so as for the accumulator to store the current according to the proper current value. The accumulator is boosted according to whether the element is switched. The element is switched into the first mode and the charged current and the proper current are compared with each other. The charging is performed according to the comparison result between a voltage of the accumulator and a critical voltage. The first mode switches the element so that the voltage between elements becomes the maximum and the charged current becomes the minimum. The proper charging is efficiently carried out, so that damage on the accumulator is minimized, thereby enhancing performance of the vehicle. In consequence, cost of the accumulator is reduced. Gas is not generated from the accumulator, thereby protecting the environment.
Patent KR-20010058156-A (KR)
Inventor: KO YEONG IK
IPC: G02F1/133
Filed: 1999-12-24
Abstract: PURPOSE: An LCD device having an electrostatic discharge(ESD) protection circuit using a dummy interconnection and a method for fabricating the same are to prevent a disconnection between a data line and an address line due to an electrostatic phenomenon. CONSTITUTION: A lower substrate includes a thin film transistor, an address line, a data bus line and electrostatic discharge protection circuits(11,12,13). A liquid crystal layer is formed on the lower substrate. An upper substrate is formed on the liquid crystal layer. The electrostatic discharge protection circuit is extended enough so that gate lines(L1,L2,L3) coupled to the address line do not influence on adjacent interconnections due to a breakdown caused by an electrostatic phenomenon(31). In order to prevent a short between the gate line and the signal interconnections due to the breakdown, a dummy data bus line(DDB) is crossed over the gate line.
Patent KR-20010061396-A (KR)
Inventor: AHN BYEONG JIN
IPC: G11C15/04
Filed: 1999-12-28
Abstract: PURPOSE: A cell for storing a code at a flash memory device is provided to make an operation a Code Addressable Memory cell stably even low voltage by increasing the coupling ratio of the CAM cell. CONSTITUTION: The cell for storing the code including a unit cell(300) consisting of a floating gate(31) and a control gate(32,34) further includes a gate overlapping portion which is connected to the unit cell. The gate overlapping portion is the type of a stack capacitor which is composed of a lower electrode connected to the floating gate of the unit cell and the upper electrode connected to the control gate of the unit cell. A switching circuit is further included. The switching circuit electrically connects the unit cell to the gate overlapping portion when the reading operation of the cell for storing the code is performed or cuts off when a program or an erasing operation is performed.
Patent KR-20010065420-A (KR)
Inventor: WOO GYEONG HOE
IPC: C21B7/12
Filed: 1999-12-29
Abstract: PURPOSE: A tap hole opening apparatus is provided to reduce friction force of a bit, shorten boring time and maximize working efficiency accordingly by simultaneously digging a tap hole and discharging the crushed material generated during boring of the tap hole. CONSTITUTION: In a tap hole opening machine consisting of a driving motor, a pipe connected to a driving axis of the motor, and a bit (10) installed at the front of the pipe so as to open a tap hole of a blast furnace, the tap hole opening apparatus for easily discharging a crushed material is characterized in that the pipe consists of an external pipe (20) at which a bit (10) is installed, and an internal pipe (21) which is rotationally installed inside the external pipe (20), and to the inside of which a screw (22) is fixed, and the bit (10) is installed in a cylindrical shape, wherein a bit blade (11) is formed on the front of the bit, and wherein the external and internal pipes are rotated in a reverse direction by a separate driving force.
Patent KR-20010065808-A (KR)
Inventor: CHAE SU GYEOM
IPC: C09D167/00
Filed: 1999-12-30
Abstract: PURPOSE: Provided is powder coating composition with superior heat and oil resistance which includes epoxy hardening agent and triglycidyl isocyanurate hardening agent together so that it improves heat and oil resistance effect. CONSTITUTION: The powder coating composition with superior heat and oil resistance comprises the components of: 40-60wt% of polyester resin with 20-50mgKOH/g in acid value; 3-10wt% of silicone modified epoxy hardening agent with 900-1400 equivalence; 2-6wt% of triglycidyl isocyanurate hardening agent with 70-120 equivalence; 0.8-3wt% of oxidation preventing agent wherein phosphite or the mixture of phosphite and phenols are mixed; 0.1-2wt% of oil-resistance improver for silicone polyacrylate resin with 1.3-2.0% in hydroxy radical content; and 0.08-0.5wt% of hardening promoter of fourth class salt.
Patent KR-20010059418-A (KR)
Inventor: HAN JONG HUI
IPC: H03L7/107
Filed: 1999-12-30
Abstract: PURPOSE: A DLL device is provided to obtain a short locking time initially upon non-locking and reduce a wrong judgment by noise using a delay controller upon locking. CONSTITUTION: In a DLL device, a controllable delay chain part(300) receives a clock signal to control a time delay amount of the clock signal. A forward-delay and backward-delay comparator(310) compares the delayed clock signal of the controllable delay chain part with a reference signal input from an external. A sharp lock delay controller(320) receives an output signal from the forward-delay and backward-delay comparator to control a time delay of a controllable delay controller by compensating the locking by noise. The sharp lock delay controller senses the unlocking of the delay to control the controllable delay chain part in the unlocking state using the output signal of the forward-delay and backward-delay comparator.