baber/WOPTO huggingface dataset:
Patent KR-20010003305-A (KR)
Inventor: LEE TAE HO
IPC: H01L21/68
Filed: 1999-06-22
Abstract: PURPOSE: A system and a method for automatically guiding a wafer cassette are to load a cassette on a guide vehicle and automatically unload the cassette from the guide vehicle, thereby reducing the number of persons for conveying the cassette and thus reducing a fabricating cost. CONSTITUTION: A system for automatically guiding a wafer cassette comprises a plurality of stokers for storing cassettes conveyed from an outside and withdrawing one of the stored cassettes; a guiding portion for conveying the cassette withdrawn from one of the stokers to other stoker, while moving along a bay passing by an upper portion of the stoker; a host computer(50) for receiving an order of conveying the cassette from an operator and controlling the stokers and the guiding portion to convey the cassette. In the system, the guiding portion uses a rechargeable battery as a power source. A method of automatically guiding a wafer cassette comprises the steps of: withdrawing the cassette by the stoker receiving the order through the host computer from the operator; moving a guide vehicle(30) loading the cassette to the stoker for storing the cassette; and unloading the cassette from the guide vehicle by the stoker.
Patent KR-20010003836-A (KR)
Inventor: PARK JAE GYEONG
IPC: F24H9/20
Filed: 1999-06-25
Abstract: PURPOSE: A method for and device used for preventing freeze-burst of an erect water pipe and a hot water pipe of a gas boiler is provided to prevent freeze-burst by heating an erect freeze-burst and a hot water pipe by mounting a thermister and a heater. CONSTITUTION: A device used for preventing freeze-burst of an erect water pipe and a hot water pipe of a gas boiler includes heat exchangers, a three-directional valve, a flower sensor, a water tank, a pump, a temperature sensor, a heater and a thermister. The temperature sensor is mounted to wrap pipes at a side of internal erect water pipes and hot water pipes of the boiler and mounted on the erect water pipe and the hot water pipe by fixing means at both sides of a longitudinal direction and has an insulation member to prevent the direct contact with the erect water pipe and the hot water pipe and a heat sink to prevent heat from being emitted. The thermister is mounted on a lower portion of the internal erect water pipe of the boiler for detecting temperature of water within the erect water pipe.
Patent KR-20010004607-A (KR)
Inventor: HONG YUN SEOK
IPC: H01L27/11
Filed: 1999-06-29
Abstract: PURPOSE: SRAM device and a method for making the same are provided to maintain a high resistance of a load resistor by using a load resistor which is not influenced on a conductivity of a node contact line in a range not enlarging a cell area. CONSTITUTION: Common nodes area of access transistor, a drive transistor, access transistor, and a drive transistor are positioned on a semiconductor substrate(11). The first interfacial insulating layer(17) is formed on the substrate. A bit line(18) is formed on the first interfacial insulating layer. The second interfacial insulating layer(19) is formed on the first interfacial insulating layer having the bit line. A predetermined part of the second and first interfacial insulating layers is etched, and a node contact hole exposing a common node area is formed. A polysilicon layer is deposited, a predetermined part is patterned, a node contact line(20) and Vcc line(21) are formed, the contact line is contacted with a common node. The third interfacial insulating layer(22) is formed on the second interfacial insulating layer having the node contact line and Vcc line. The third interfacial insulating layer is etched to expose the node contact line. A plug metal layer is formed in the node contact hole in order to be contacted with the node contact line. The fourth interfacial insulating layer(25) is formed on the third interfacial insulating layer and th plug metal layer. To expose the plug metal layer and the Vcc line, a predetermined part between the fourth and third interfacial insulating layers is etched. In etching the fourth and third interfacial insulating layers, in order to expose at least one part of the third interfacial insulating layer between the plug metal layer and the Vcc line, the fourth and third interfacial insulating layer are etched. A polysilicon layer is deposited on the third and fourth interfacial insulating layers in order to be contacted with the plug metal layer and the Vcc line, a predetermined part is etched, thereby forming a resistance.
Patent KR-20010008620-A (KR)
Inventor: KANG CHANG MO
IPC: H01L29/78
Filed: 1999-07-02
Abstract: PURPOSE: A method for fabricating a transistor of a semiconductor device is provided to reduce junction capacitance. CONSTITUTION: A trench is formed in a substrate(10) and filled with an oxide layer(60). Then, the oxide layer(60) is etched, and an epitaxial silicon layer is grown in the etched portion of the oxide layer(60) to form a channel. Next, the oxide layer(60) is etched to some depth, and a polysilicon layer(64) is deposited on the etched oxide layer(60) to form source/drain regions. Thereafter, a doped polysilicon layer, a tungsten silicide layer and a mask oxide layer are deposited in sequence above the epitaxial silicon layer and then patterned to form a gate electrode(20). Subsequently, a diffusion layer(30) of a lightly doped drain structure is formed, and a spacer(40) is formed on a sidewall of the gate electrode(20). Then, after an interlayer dielectric layer(70) is deposited on the resultant structure and planarized, a landing plug(50) is formed therein.
Patent KR-20000011646-A (KR)
Inventor: SHULER ALEXSANDER
IPC: H01M8/0612
Filed: 1999-07-12
Abstract: PURPOSE: A device is provided to profitably supply the process heat demanded for reforming fuel obtained over the whole process and to improve the whole efficiency. CONSTITUTION: The high temperature fuel cell arranged within a stack symmetrizing toward the center of plane design route has; a supplying point(5) for a gas or a liquid type cell; a reformer(4) that the fuel least partially converts in a catalytic method with CO and H2 under the exist of water in a state that the process heat is supplied; a central cavity unit(35) that the fuel treated in the reformer is supplied into the fuel cell passing through, arranged along with the shaft of the stack. Accordingly, the head needed in the reforming process as an endothermic reaction is transmitted to the reformer from the fuel cell after partially passing by radiation.
Patent KR-20000011735-A (KR)
Inventor: PATHERSON HAKONE THBERE
IPC: F03C2/30
Filed: 1999-07-15
Abstract: PURPOSE: A hydraulic pressure vane motor is provided to increase the capacity by increasing the working pressure and the driving speed of the motor without increasing noise. CONSTITUTION: The motor comprises:a vane slot(10); a rotor(9) having a vane(11) in the vane slot(10); more than two of working chambers(13, 14) having an outlet installation path(15) to pass the vane(11) while colliding; a sealing strip(12) arranged in the vane slot; more than four of outlets(16a, 16b) in the path(15) of the working chambers(13, 14); and more than six of grooves(20, 21, 22) placed in the path(15). Therefore, the driving speed is increased.
Patent KR-20010010079-A (KR)
Inventor: BANG IN HO
IPC: B65G49/07
Filed: 1999-07-15
Abstract: PURPOSE: A wafer cassette conveyor is provided to minimize the size of the conveying apparatus by inserting a holding plate under a cassette and increase the stacking capacity of a stoker by moving the holding plate to a corner part of the stoker, wherein the interference between a fixing plate mounted in the stoker and the cassette is prevented for the cassette to move by a minimum distance, thereby reducing working time. CONSTITUTION: A conveyor includes a guiding bar(30) mounted longitudinally on a bottom surface of a stoker(10), a supporting bar(40) mounted on the guiding bar for moving laterally in the stoker by the guiding bar, a lifting block(50) mounted on a surface of the supporting bar to lift by the guide of the supporting bar, and a holding plate(70) for rotating by a rotation part(60) mounted on the lifting block and formed with a plurality of fixing protrusions(71) on a top surface to secure a cassette.
Patent KR-20000012095-A (KR)
Inventor: DAKAYAMA JUN
IPC: G11B7/12
Filed: 1999-07-30
Abstract: PURPOSE: A head is provided to perform a stable operation although a head edge on a medium introducing side is abraded. CONSTITUTION: The head for recording and reproducing information for a record medium of tape type in use comprises: a record medium oppose plane(4) being flat and opposing an information record plane or an information reproduce plane of the record medium; a head element(3) arranged on the record medium oppose plane for recording and reproducing the information for the record medium; and a head side plane(5) disposed on a side plane of the record medium oppose plane in which the record medium is introduced, wherein the head side plane has a sectional part being common to a sectional part of the record medium oppose plane and an angle below 90 degree with regard to the record medium oppose plane.
Patent KR-20010017383-A (KR)
Inventor: KANG MYEON GU
IPC: G02F1/1343
Filed: 1999-08-11
Abstract: PURPOSE: A transflective liquid crystal display is provided to control transmittance and reflectance by the thickness of a metal film, thereby form a pixel electrode as a single film. CONSTITUTION: A pixel electrode includes a thin metal layer(45) with the transflective characteristics. The metal layer(45) is formed as an alloy of silver(Au) series with high conductivity. Transmittance and reflectance are controlled by the thickness of the reflective film layer(45). The transmittance is inversely proportional to the thickness and the reflectance is proportional to the thickness. The metal layer(45) has the thickness of hundreds of angstrom and the chemical resistance against sulfuric acid or sodium hydroxide. The transflective metal film(45) formed on uneven surface controls viewing angle, brightness, reflectance and transmittance.
Patent KR-20010026392-A (KR)
Inventor: PARK YEONG BAE
IPC: H01L29/786
Filed: 1999-09-06
Abstract: PURPOSE: A method for fabricating a thin film transistor array substrate is provided to simplify a fabrication process thereof. CONSTITUTION: In the method, a gate wiring(26) is formed on an insulating substrate(10), and a gate insulating layer(30) is formed over the substrate(10) to cover the gate wiring(26). Then, a semiconductor layer(40), a contact layer(50) and a conductive layer(60) are sequentially deposited thereon, and a photoresist pattern(112) is partly formed on the conductive layer(60). The pattern(112) has the first thickness part, the second thickness part thicker than the first part, and the third part of non-formed. After an etch stop layer(114) is then formed to cover the photoresist pattern(112), an exposed part of the conductive layer(60) under the third part is etched together with the underlying layers(50,40) by using a single mask of the photoresist pattern(112). The etch stop layer(114) is then removed, and the first part of the photoresist pattern(112) is also removed. The conductive layer(60) under the removed part of the photoresist pattern(112) is then etched together with the underlying layer(50) to form a data line, a source electrode connected to the data line, and a drain electrode isolated from the source electrode.
Patent KR-20000023028-A (KR)
Inventor: MIZ NOTORU
IPC: B28D1/04
Filed: 1999-09-09
Abstract: PURPOSE: An outer circumference knife blade and a cutting processing device is provided to reduce cutting resistance on cutting, to prevent a blade from chipping on cutting and to prevent splinters from generating when the cutting finishes. CONSTITUTION: An outer circumference knife blade(11) consists of disk metal board(12) and a tip part(15) bonding a rolling particle by a metal bond, a resin bond and an upsetting. The outer circumference knife blade is in a projecting shape having theta degree of head end angle at a head end face and then reduces cutting resistance. Also, the outer circumference knife blade forms a rolling particle layer(13) in a side(12a) of the metal board. Therefore, the blade is prevented from chipping.
Patent KR-20010027804-A (KR)
Inventor: KIM CHEON SIK
IPC: H01Q11/08
Filed: 1999-09-15
Abstract: PURPOSE: A dual band helical glass antenna and method for manufacturing the same is provided to improve productivity and reduce manufacturing cost while achieving accurate numerical control for helical antenna. CONSTITUTION: A dual band helical glass antenna comprises a cylindrical glass bobbin(23) having a predetermined length and diameter; a helical strip line(22) which is printed into a predetermined helical pattern at the outer periphery of the glass bobbin by using an adhesive containing a metallic ingredient; a connector(13) for electrically connecting an end of the helical strip line and the feeding point so as to feed the helical strip line with a signaling electric power; and a cover(11) for covering the glass bobbin.
Patent KR-20010027930-A (KR)
Inventor: LEE YEONG GIL
IPC: A23L3/36
Filed: 1999-09-16
Abstract: PURPOSE: An alcoholic liquor storage system is provided to prepare the optimal condition for the preservation and maturation of alcoholic liquor. CONSTITUTION: An alcoholic liquor storage system is comprised of: numerous storages; a selecting part to select storage and kinds of liquor; a temperature controlling switch; a humidity controlling switch; sensors to sense temperature and humidity; a heating device to heat respective storages separately: a cooling device to cool respective storages separately; a heating device to heat respective storages separately; a controlling part to receive output from the sensors and regulate the operation of respective devices related to temperature and humidity.
Patent KR-20010029133-A (KR)
Inventor: KIM SEONG SU
IPC: G11B7/257
Filed: 1999-09-29
Abstract: PURPOSE: An optical disk is provided to reduce jitter value while overwriting and to prevent cross-erase occurrence through increasing light absorbing ratio between a crystalloid and an amorphous material on a recording layer. CONSTITUTION: A phase changing optical disk(100) is formed by a transparent substrate(110), a first dielectric layer(120), a recording layer(130), and a second dielectric layer(140). Herein, the recording layer is formed by alloy of Ge2Sb2Te5 and Sb, alloy of GeSb2Te4 and Sb, or alloy of GeSb4Te7 and Sb. The first dielectric layer and the second dielectric layer are formed by TiO2, ZnO, CeO2, or AnS having refracting rate over 2.5. Herein, the first dielectric layer improves light absorbing ratio between crystalloid and amorphous material in the recording layer. Moreover, the first dielectric layer adjusts reflecting rate according to thickness. Herein, the light absorbing ratio is improved by increasing light absorbing rate of the crystalloid through destructive interfering waves reflected on the recording layer and reflected on the first dielectric layer.
Patent KR-20010036437-A (KR)
Inventor: JUNG IL NYEONG
IPC: H01L21/68
Filed: 1999-10-08
Abstract: PURPOSE: A chamber system for performing automatic leveling is provided to enhance the productivity by controlling the horizontality of an upper portion of a chamber. CONSTITUTION: A chamber system for performing automatic leveling comprises a lower chamber, an upper chamber(102), a support portion(108), a combination member(110), and a driving member(106). The lower chamber performs a semiconductor manufacturing process. The upper chamber(102) is combined with the lower chamber when the lower chamber performs the semiconductor manufacturing process. A support portion(108) is located at an upper portion of the upper chamber. The combination member(110) connects the support portion with the upper chamber. The driving member(106) moves the upper chamber to a vertical direction by moving the support portion(108).
Patent KR-20010036589-A (KR)
Inventor: KANG TAEK CHAN
IPC: G06F9/38
Filed: 1999-10-09
Abstract: PURPOSE: An apparatus and method for uploading a code of a multiple digital signal process is provided to reduce a cost for providing an additional code ROM, by uploading a code corresponding to each DSP effectively and performing the code simultaneously in using a multiple DSP. CONSTITUTION: A master DSP(11) has the first control right in applying to a system, and performs a code uploading to own and other slave DSPs(12,13), and controls the DSPs(12,13) and performs a data exchanging through a specific channel. The slave DSPs(12,13) receives a control of the master DSP(11) and performs a code uploading. A code ROM(21) is connected to the master DSP(11) and stores a code for the DSPs(11-13). A plurality of RAMs(31-33) stores a program of the DSPs(11-13). A plurality of data RAMs stores data of the DSPs(11-13). A code decoding unit(51) renders a code upload to be controlled by decoding a signal of the master DSP(11) and transmitting the signal the code ROM in a memory unit(21)(31-33)(41-43). A plurality of program decoding units(52-54) decodes signals of the DSPs(11-13) and transmits the signals to the RAMs(31-33) of the memory unit(21)(31-33)(41-43).
Patent KR-20010038706-A (KR)
Inventor: JEUNG JU YEUN
IPC: A47L23/02
Filed: 1999-10-27
Abstract: PURPOSE: A shoes wiping device simultaneously implements a washing and a cleaning in a space, and by rotating a rotating body. Further, a dust and other alien materials generated during washing the shoes are collected. CONSTITUTION: A shoes wiping device comprises a base plate(2), a vertical moving mechanism, a washing/cleaning head, a moving device of the washing/cleaning head and a head driving device. The base plate(2) supports the shoes. The vertical moving mechanism has a pneumatic tube(3) to support the shoes or to remove a supporting force and moves the pneumatic tube(3), vertically. The washing/cleaning head moves in a case about the shoes. The moving device of the washing/cleaning head closely contacts and rotates the washing/cleaning head on the shoes. Thus, the precise washing and cleaning of shoes is implemented.
Patent KR-20010047300-A (KR)
Inventor: HAN JANG SU
IPC: F16H48/20
Filed: 1999-11-19
Abstract: PURPOSE: A parking brake using differential limiting device for compact vehicles has relatively simple structure to easily get out of a difficult roads. CONSTITUTION: Branched cables(10a,10b) are directly connected to respective parking cable brackets(11a,11b). The parking cable brackets(11a,11b) and a parking lever(13) are connected through a selection rod(14). The selection rod(14) has selection rod grooves where balls(16) are biased by springs(17) on the supporter of the parking lever(13). Thus, the structure of a parking brake is simple and easily used. Further, the parking brake intercepts a driving force on the wheels of a vehicle which is mired in a difficult road, thereby making the vehicle easily get out of the road.
Patent KR-20010048353-A (KR)
Title: A method for forming MOSFET of elevated source/drain structure
Inventor: LEE JEONG YEOP
IPC: H01L29/78
Filed: 1999-11-26
Abstract: PURPOSE: A method of fabricating a MOS transistor of an elevated source/drain structure is provided to stabilize the distribution of dopant of source and drain by using a facet profile generated when forming an epitaxial silicon layer and to ensure a process margin in the following contact process. CONSTITUTION: A gate having a mask insulation layer(21) and a gate sidewall spacer(25) is formed on a silicon substrate(20). An epitaxial silicon layer(26) is selectively grown on the silicon substrate exposed to make the epitaxial silicon layer close to the gate grow higher than the gate. The epitaxial silicon layer is recessed to planarize with the gate. Ion is doped to form a source/a drain on the epitaxial layer. By heat treatment, the dopant doped into the epitaxial layer is diffused at a predetermined depth into the silicon substrate.
Patent KR-20000047881-A (KR)
Inventor: SHORTS JOHN A
IPC: H01J61/88
Filed: 1999-12-03
Abstract: PURPOSE: A capacitive glow starting of a high density discharge lamp is provided to improve starting of a high density electric discharge lamp and to offer a supplementary means for starting without using a dangerous material. CONSTITUTION: A capacitive glow starting of a high density discharge lamp comprises the parts of: a sealed hollow body (12) having a first terminal and a second terminal, including a medium for generating and maintaining an arc; an electrode accommodating seal (18) extending from each terminal; an electrode structure (20) arranged on the seal respectively, including an adjacent electrode terminal (22) protruding to the inside of the hollow body, a terminal section (26) protruding to the outside of the seal and a middle section (28) sealed in the seal by a sealing method between them; a tubal segment (32) extending to the direction of distancing from the hollow body and including a seal extension section adhered to the first seal among the seals, the seal extension section surrounding the electrode terminals extruding from the first step; and a starting supplementary section (33) including an electrode addition (34) adhered to the electrode terminal extruding from the first step within the tubal segment and a conductive member (36) electrically connected to the electrode structure arranged on the second terminal and surrounding the tubal segment.
Patent KR-20010062949-A (KR)
Inventor: LEE GI SU
IPC: F16D65/095
Filed: 1999-12-21
Abstract: PURPOSE: A disk pad of a vehicle is provided to exactly measure permissible wear thickness by measuring the degree of damage of frictional material on variable portions, and to improve safety and reliability. CONSTITUTION: A frictional material(1) is attached to a front side of a back plate(2) to brake a vehicle by contacting to a disk. Moreover, a core(3) is mounted at the rear of the back plate to reduce noise in braking. Plural core indicators(10) are bent toward the frictional material outside the back plate while considering permissible wear thickness. An additional indicator is formed in attaching the core without a complex process to reduce components and a producing cost. In addition, the core indicators are formed on variable positions to detect the wear portions of the frictional material. Thereby, a disk pad of the vehicle prevents a brake function from removing caused by the partial side wear in advance.
Patent KR-20010063240-A (KR)
Inventor: KIM HYEON GI
IPC: H01L23/48
Filed: 1999-12-22
Abstract: PURPOSE: A lead on chip package is provided using a nonconductive adhesive which can replace a polyimide tape, to improve a price competitiveness of the lead on chip package. CONSTITUTION: The lead on chip(LOC) package(200) uses a non-conductive adhesive(130). The lead on chip package includes a semiconductor chip(110) where bonding pads(112) are formed, leads(140) attached on the semiconductor chip and bonding wires(150) connecting each bonding pad with the lead electrically. A package body is formed by encapsulating a region including the semiconductor chip and the leads and the bonding wires with a molding resin(160) like an epoxy molding compound(EMC). A polyimide layer(120) is formed on a passivation layer like a silicon oxide on the surface of the semiconductor chip, and bonding pads are open between the polyimide layer. The leads are divided into inner leads(142) attached on the polyimide layer and outer leads(144) formed in a body on each inner lead. After removing a part of the polyimide layer along a region corresponding to the inner leads, the inner lead and the semiconductor chip are attached each other by intervening a liquid type non-conductive adhesive on a region(A) where the polyimide layer is removed.