baber/WOPTO huggingface dataset:
Patent KR-20000005859-A (KR)
Inventor: NAKANO MASATAKE
IPC: H01L21/20
Filed: 1999-06-03
Abstract: PURPOSE: A SOI wafer and a method for manufacturing the SOI wafer is provided to minimize a removal for an outer circumference width of a SOI wafer and to protect an accumulation of poly-silicon toward an outer circumference portion of the SOI wafer. CONSTITUTION: A SOI wafer and a method for manufacturing the SOI wafer comprises the steps of: forming an oxidation film(3,4) on any one surface of two silicon wafers; adhering the wafer covered with the oxidation layer and another silicon wafer under the ordinary temperature; performing a heating process for the adhered silicon wafer; removing an outer circumference portion of a bond wafer(1) to an area between a combination end adhered at the outer circumference end of the bond wafer and a combination end by the heating process; forming a thin film of the bond wafer to a predetermined thickness to form a SOI layer.
Patent KR-20000005913-A (KR)
Inventor: MIYAGAJEOUKI
IPC: H04J13/00
Filed: 1999-06-04
Abstract: PURPOSE: A transmission device is provided to prevent reception characteristic deterioration owing to an increment of the number of matched filters or owing to an interference increment. CONSTITUTION: The transmission device comprises a plurality of antennas, a search code generator, a multiplexer and a convertor. The search code generator at least one search code spread modulated by a specific code. The multiplexer multiplexes the search code and control channel signals each transmitted from the antennas of the plurality, respectively. The convertor converts a multiple destination of a search code so that the search code is multiplexed to a control channel signal at a specific timing.
Patent KR-20010001969-A (KR)
Inventor: JUN BYEONG GIL
IPC: G11C14/00
Filed: 1999-06-10
Abstract: PURPOSE: A nonvolatile-ferroelectric random access memory device and a method for driving a plate line segment are provided to prevent non-selected plate lines from floating within a read/write cycle. CONSTITUTION: A nonvolatile-ferroelectric random access memory device includes a memory cell array(100) of plural memory blocks(100a-100b). The memory blocks(100a-100b) include plate line segments(PLSi) and bit lines(BLj). Each end of plate line segments(PLSi) in each memory block(100a-100b) is connected to a corresponding word line(WLi) by a NMOS transistor(14). Each transistor(14) performs a switching operation according to a switch control signal(SELa-SELb) from a switch controller(160). The other ends of the plate line segments(PLSi) are connected to a reference voltage by NMOS transistors(16). The transistors(1) perform switching operation according to switch control signals(PRCHGa-PRCHGb) from the switch controller(160).
Patent KR-19990068714-A (KR)
Title: 폐활성탄의재생방법및그장치
IPC: B01J38/02
Filed: 1999-06-14
Abstract: 본 발명은 폐활성탄의 재생 장치 및 그 방법에 관한 것으로서, 히터나 열풍에 의하여 가열되고, 내부에 시료를 안착시키기 위한 배스캣과 온도 제어를 위한 온도 센서가 구비되고, 상부에는 운반 기체의 유입관이 있고, 하부에는 진공 펌프와 연결된 감압관이 있는 반응기; 및 상기 반응기의 하부의 감압관을 통하여 반응기내의 압력을 감압하는 진공 펌프를 포함하는 것을 특징으로 하는 폐활성탄의 재생 장치와, 반응기내의 압력이 300㎜Hg 이하인 상태에서, 150℃∼350℃로 10분∼60분 가열하는 것을 특징으로 하는 폐활성탄의 재생 방법을 제공한다. 본 발명에 의한 폐활성탄의 재생 방법 및 그 장치에서는 저온에서 열풍을 이용하여 열탈착 반응을 하도록 하므로, 종래 기술에서와 같이, 고온 고압의 수증기를 발생시키기 위한 보일러와 같은 장비가 필요하지 않다. 또한, 감압 효과로 활성탄의 재생율을 높일 수 있었으며, 기체상의 용제를 액체상으로 변화시켜 분리한 후, 증류에 의하여 회수함에 의하여 고가의 용제를 재사용할 수 있도록 하는 장점이 있다.
Patent KR-19990073228-A (KR)
Title: 절수용수도밸브플레이트
Filed: 1999-06-24
Abstract: 일반주택, 대중목욕탕, 숙박업소 등의 주방 또는 욕실의 수도밸브를 개방한 상태를 유지하여 살수되는 물을 사용하는 경우 수도밸브로 부터의 물이 사용목적 또는 설치장소에 따라 최적(最適)상태로 감량조정되어 토출될 수 있도록 한 것이다. 
     본 발명은, 수도밸브의 물 이동통로에 장착되며, 상기 수도밸브로 부터 토출되는 물의 사용목적 및 상기 수도밸브의 설치장소에 따라 상기 수도밸브로 부터 토출되는 물을 최적상태로 감량조절할 수 있도록 상기 물 이동통로와 연통되게 형성되는 조정공이 상기 물 이동통로에 대해 편심되며 소정각도로 경사지게 형성된 것이다. 
     이로 인해, 일반주택 등의 주방 또는 욕실의 수도밸브를 개방한 상태를 유지하여 살수되는 물을 사용하는 경우 수도밸브로 부터 토출되는 물이 사용목적 또는 설치장소에 따라 최적상태로 감량조정되어 토출되므로 상,하수도 비용을 크게 줄일 수 있게된다. 절수용 수도밸브 플레이트를 기존 사용중인 모든 수도밸브에 장착이 가능하고 플레이트를 수도밸브에 장착시 수도라인을 단수하는 과정이 불필요하여 설치작업이 용이하다. 수도밸브 플레이트의 구조간단화로 인해 원가비용을 줄여 적은 비용으로 설치할 수 있다. 온수 사용시 절수로 인해 연료비용을 대폭적으로 절감할 수 있도록 한 이점을 갖는다.
Patent KR-20010008913-A (KR)
Inventor: KO YEONG GWAN
IPC: B65D30/00
Filed: 1999-07-06
Abstract: PURPOSE: A synthetic resin envelope is provided, which has good air-permeability, content-discriminating power, and anti-slippage property by forming zig-zag lines in upper and lower joining portions, a plurality of outwardly perforated holes in side parts, which keep water-resistance with air-permeability, and protrusions either front or rear surface which prevent slippage of the envelope when stacked on a lathe. CONSTITUTION: A synthetic resin envelope includes upper and lower end parts formed with a plurality of zig-zag lines in joining portions(14) for providing air-permeability, and both side parts made of a cylindrical synthetic resin extrusion sheet and perforated(13) from the inside to the outside, wherein the both side parts are made of transparent synthetic resin to discriminate contents by the naked eye and protrusions(17) are formed on a front surface of the envelope for forming a slippage preventing surface(16).
Patent KR-20010010970-A (KR)
Inventor: WOO JAE SEON
IPC: H05K7/20
Filed: 1999-07-24
Abstract: PURPOSE: A heater sink is provided to discharge a heat without stopping by using a convection of the heat. CONSTITUTION: A heater sink include a body(50) which is mounted on a printed circuit board through a mounting hole(56) by means of a predetermined locking means. A plurality of wings(52) are mounted between edges(54) of the body(50) and have predetermined intervals and a fan shape. When the heat generated in an integral circuit or the transistor which is mounted on the printed circuit board contacts with the body, the heat is increased. The increased heat is all discharged to an outside through the plurality of wings(52).
Patent KR-20010011470-A (KR)
Inventor: MUN UI CHEOL
IPC: H04L12/66
Filed: 1999-07-28
Abstract: PURPOSE: An Internet phone gateway system is provided to save a communication charge at long-distance voice/facsimile communication by compressing and demodulating into voice/facsimile data of a packet format. CONSTITUTION: An Internet phone gateway system comprises an Internet connection part(20) which interlocks with an Internet call manipulating part(31) of a controller(30) and manipulates ethernet, IEEE 802.3 and address resolution protocols. The controller(30) has the Internet call manipulating part(31) and a control circuit part(32). The Internet call manipulating part(31) performs a program necessary for managing an Internet phone service to perform an Internet call manipulating function between an exchange and an Internet. The control circuit part(32) generates device control signals for controlling each device. A system connection part(40) has a PCM highway connection part(41) and a message connection part(42) and performs PCM highway and message bus connections of an exchange. A voice manipulating part(50) compresses PCM coded voice/facsimile data by a packet format or restores the data of the packet format into PCM data.
Patent KR-20010017174-A (KR)
Inventor: YOO JAE YU
IPC: F04B17/00
Filed: 1999-08-09
Abstract: PURPOSE: A method for preventing break down of a compressor is provided to prevent the linear compressor from being damaged by applying trip before triac break down while adjusting stroke command value. CONSTITUTION: A linear compressor is operated by using input stroke command value. While operating the linear compressor, voltages applied to both ends of a triac are detected. In case of the voltages at a specific value, a limit is applied. Thus, the voltages do not increase over the specific value by adjusting the stroke command value. Then, a trip is applied before generation of break down to prevent the linear compressor from being damaged.
Patent KR-20010017608-A (KR)
Inventor: KUEM CHANG HUN
IPC: C21C7/06
Filed: 1999-08-12
Abstract: PURPOSE: A slag deoxidizer used in a ladle, an apparatus for supplying the same, and a method for deoxidizing slag are provided to reduce manufacturing cost of molten steel, effectively deoxidize converter slag in a ladle and prevent deterioration or working environment due to generation of dusts by using ammonia gas as a slag deoxidizer. CONSTITUTION: In a slag deoxidizer for oxidizing converter slag of upper part of a ladle (11) in molten steel which is flown out from a converter to a ladle (11), the slag deoxidizer produces hydrogen in the nascent state. An apparatus for supplying a slag deoxidizer consists an ammonia storage tank (12), an inert gas storage tank (14), an injection line (16) for guiding ammonia or inert gas from the storage tanks to converter slag in the ladle (11), an ejection lance (18) which is installed end part of the injection line (16) and dipped into the converter slag, and a nozzle (19) which is installed end part of the ejection lance (18) for ejecting ammonia or inert gas into the converter slag. A method for deoxidizing converter slag comprises the steps of dipping the ejection lance (18) into converter slag as supplying an inert gas, supplying ammonia to converter slag, finishing supplying of ammonia after the completion of slag deoxidization due to the supply of ammonia, and collecting the ejection lance (18) from converter slag as supplying an inert gas.
Patent KR-20010018093-A (KR)
Inventor: CHO IK HUN
IPC: H02P6/16
Filed: 1999-08-17
Abstract: PURPOSE: A method for reducing switching and harmonic noise is provided to improve performance and reliability of optical device by changing the location of hall element. CONSTITUTION: A method is characterized in that a plurality of hall elements(20) which are mounted at the center point between two motor slots(3) and sense switching of a DC motor are moved in left or right direction from the center point in such a manner that the cogging torque point of the DC motor and the electromagnetic switching point are not correspond, to thereby prevent switching and harmonic noise of the DC motor. The DC motor includes a rotor magnet having number of poles of 6, 12, 16 or 20 and number of motor slots of 9 or 12. The hall element is mounted among three phases of one motor slot from among three-phase(U,V,W) motor slots having identical phases in diagonal direction.
Patent KR-20010028992-A (KR)
Inventor: SHIN JEONG HWAN
IPC: H01L23/48
Filed: 1999-09-28
Abstract: PURPOSE: A semiconductor stack package and a manufacturing method thereof using flip chip bonding technique are provided to allow a reduction in thickness of the package. CONSTITUTION: The package includes two chips(22,24) and a substrate(21) having a cavity(A) centrally formed thereon. The first chip(22) is attached to the first bumps(23) preformed in the cavity(A). The cavity(A) is then filled with a resin encapsulant sealing the first chip(22). Thereafter, the second bumps(23a) are formed on the substrate(21) out of the cavity(A), and the second chip(24) is attached to the second bumps(23a). A mold body(26) is then formed on the substrate(21), covering the second chip(24). Next, pluralities of solder balls(25) are formed under the substrate(21).
Patent KR-20010029144-A (KR)
Inventor: BYUN JONG MUN
IPC: B21D24/00
Filed: 1999-09-29
Abstract: PURPOSE: A molding device for the non-plate shaped metal product is provided to enhance productivity with a high material recovering rate and a simple process and to increase mechanical property and durability using cheap materials such as a cast billet. CONSTITUTION: An assembly type die (2) is divided into more than one upper die and one lower die. A molding chamber (4) is formed in the die according to the shape of a product. A material drawing portion (6) is vertically extended to the molding chamber and a pressurizing stand (8) is lifted in the material drawing portion. The material drawing portion is formed in the upper die but in the center in case of a symmetrical product. In case of asymmetrical product, the diameter of the material drawing portion is shorter than a material (10) for erectly supplying the material. Furthermore, the die additionally adds hydraulic units (12,14) or clamping devices to be prevented from widening between the upper die and the lower die with a prevention sill (16). A discharge passage (18) is formed in the end portion of the molding chamber to discharge air or surplus materials.
Patent KR-20010029278-A (KR)
Inventor: PARK WON SEOK
IPC: F24D3/12
Filed: 1999-09-30
Abstract: PURPOSE: An upper plate on an under-floor heating system and upper plate connecting structure are provided to keep heat for a long time with emitting far infrared rays and to readily repair and replace the upper plates. CONSTITUTION: An upper plate on an under-floor heating system comprises an upper plate body made of a hardened mixture mixed with stone powder including mineral, organic and inorganic compound and polymer resin; a fiber sheet; and a paper sheet. The net shaped fiber sheet and the paper sheet are attached to the backside of the upper plate body. A micro encapsulated phase change material is mixed with the mixture while the upper plate body is molded or coated on the upper face of the hardened upper plate body. An inserting groove is formed in four edges of the upper plate and an inserting protrusion(51) of a T shaped connector(50) is inserted into the inserting groove. A constrictive auxiliary material(60) is placed between the inserting groove and the inserting protrusion and an urethane elastic member(52) is stuck on the side of the upper plate.
Patent KR-20010034948-A (KR)
Inventor: HAN JEOM RYEOL
IPC: B05C9/08
Filed: 1999-10-14
Abstract: PURPOSE: A spray apparatus for treating a glass substrate or a wafer is provided to prevent drying defects such as water spot by using IPA vapor and solvent vapor in drying a substrate and spraying a small amount of fluid through a spray hole, thereby not forming a vortex, and save fluid by reusing fluid left over after using. CONSTITUTION: The spray apparatus comprises a spray part (120) spraying IPA vapor and solvent vapor as a fluid; and a supply part (111) for recycling fluid remaining after spraying or supplying new fluid in a spray apparatus in which a glass substrate (100) or a wafer is treated by spraying fluids, wherein the glass substrate or wafer is dried in fluid in the floating state by kinetic energy generated when pressure spraying the IPA vapor or solvent vapor through a nozzle (101), and low surface tension they have.
Patent KR-20010037402-A (KR)
Inventor: KIM YANG GI
IPC: G06F1/32
Filed: 1999-10-16
Abstract: PURPOSE: The card consumption power saving apparatus of a personal computer capable of separating/mounting is provided to supply a relevant power by detecting an operation condition of a card inserted into a system, and to perform a ring wake-up function by detecting whether the card inserted is a modem card. CONSTITUTION: A personal computer card(17) is capable of separating/mounting from/to a body of a system and a docking station. A power providing unit(11) provides an utility power of the personal computer card(17). A card bus controller(13) checks whether the personal computer card is mounted, and provides a clock signal, data and a latch in order to provide relevant power to the card(17) mounted. A logic circuit(23) transmits and receives vender information with a system controller(19).
Patent KR-20010037522-A (KR)
Inventor: JANG SANG BAE
IPC: H04W88/12
Filed: 1999-10-18
Abstract: PURPOSE: A board inventory management system in a mobile communication system is provided to efficiently manage exact data and all manufactured boards when a BSM(Base Station Manager) operates boards. CONSTITUTION: If a data change of board inventory information is generated in the network of an OMC(Operation Maintenance Center)(31), a BSM(33) requests a BSC(Base Station Controller)(35) to send the information of an associated board. The BSC(35) requests a BTS(Base station Transceiver Subsystem)(36) to transmit the information of the board. If requested information is transmitted, the BSC(35) confirms whether it accords with the information of the data-changed board. If it is not in accord, the BSC(35) updates a local DB of the BSM(33). In case that a new board is installed in the BTS(36), the BSC(35) receives the information of the installed board and confirms whether it is consistent with the contents stored in the local DB. In case that it is not consistent, the BSC reports it to an upper-level processor of the BSM(33). The OMC(31) finds out consistent information and transmits a right database to the BSM(33). Accordingly the BSM(33) updates its database so that consistent inventory management can always be maintained.
Patent KR-20010045018-A (KR)
Inventor: CHOI YONG GYU
IPC: H01L21/027
Filed: 1999-11-02
Abstract: PURPOSE: A method for manufacturing a mask is provided to minimize a distortion difference between masks by controlling an area of an auxiliary pattern according to variation of the area of a main pattern while using the area of the auxiliary pattern determined by predicted stress. CONSTITUTION: A membrane layer(40) is formed on upper and lower surfaces of a silicon substrate. An absorbing material is formed in an upper portion of the upper membrane layer. A photoresist layer is applied on the absorbing material, and a pattern is formed by performing an exposure and development process. The absorbing material is dry-etched by using the pattern. The lower membrane layer and the silicon substrate are etched back. An area of an auxiliary pattern(20) is determined depending on computation of predicted stress. The area of the auxiliary pattern varies according to variation of the area of a main pattern(10), to maintain a constant combined area of the main pattern and the auxiliary pattern.
Patent KR-20010045589-A (KR)
Inventor: OH JUN HWAN
IPC: H04M1/00
Filed: 1999-11-05
Abstract: PURPOSE: An apparatus for protecting telephone subscribers is provided to offer a subscriber protector which can improve assembling, stability, and productivity. CONSTITUTION: A subscriber protector consists of a lightning arrester(200) and a protector frame. The lightning arrester(200) is comprised of 4 connection pins(202) and a connection pin(204). The protector frame is comprised of a body(10), terminal pins(30), holders(40), a grounding plate(50), a plate(60), and a cover(70). On the upper surface of the body(10) penetration slots(12,14,16,18) and installation slots(20) are formed. The terminal pin(30) and the grounding plate(50) are installed on the lower surface of the body(10). Each of the terminal pins(30) is composed of a connection part(32) and a connection socket(34). The holders(40) are installed in the installation slots(20) respectively. The grounding plate(50) is composed of a bar(52) and grounding sockets(54) formed with the bar(52) in a single unit. The plate(60), of which one end is connected with the bar(52) of the grounding plate(50) and the other end is exposed to the upper surface of the body(10), is inserted into the fourth penetration slot(18). The cover(70) covers the lower surface of the body(10) in order to prevent the terminal pins(30) and the grounding plate(50) from being dislocated.
Patent KR-20010046431-A (KR)
Inventor: LEE DON SIN
IPC: H04B1/59
Filed: 1999-11-12
Abstract: PURPOSE: A relay system between a parent base station and subsidiary base stations is provided to group subscriber channels as each determined channel, and to convert the channels of each group into channels of UHF(Ultra-High Frequency) bands, then to wirelessly transmit the converted channels to the base stations and subscriber terminals. CONSTITUTION: A parent base station(100) groups subscriber channels transmitted a local connection exchange as each determined channel, and converts the channels of each group into channels of UHF bands to wirelessly transmit the converted channels. The parent base station(100) reversely converts the each group channel of the UHF bands, and synthesizes the converted channels, then transmits the channels to the local connection exchange. Subsidiary base stations(110-1n0) convert the channels of the UHF bands transmitted from the parent base station(100) into channels of service available UHF bands, and wirelessly transmit the converted channels to subscriber terminals. The subsidiary base stations(110-1n0) reversely convert the subscriber channels wirelessly received from the subscriber terminals into the channels of the UHF bands, and wirelessly transmit the converted channels to the mother base station(100).
Patent KR-20010048473-A (KR)
Inventor: LIM JAE HEON
IPC: B60C9/02
Filed: 1999-11-26
Abstract: PURPOSE: A tire improves the structure of belt to improve ride comfort and steering stability simultaneously. CONSTITUTION: A tire comprises a bead part(1), a side wall part(2), a belt part(3) and multiple covers(5) installed on the upper surface of the belt(3) and a tread part(4) with grooves(40) formed thereon. The rigidity of the cover(50) on the left side(A) of the central line of a tire which is placed on inner side of the car is smaller than the rigidity of a cover(52) on the right side(B) of the central line of the tire which is placed on the outer side of the car. The left side cover(50) improves ride comfort. The right side cover(52) improves steering stability on high speed driving.
Patent KR-20010055993-A (KR)
Inventor: CHAE CHANG JUN
IPC: G02F1/39
Filed: 1999-12-14
Abstract: PURPOSE: An improved bidirectional optical amplifier structure is to simplify the structure of the bidirectional optical amplifier using a strand of optical fiber and a single optical amplifier. CONSTITUTION: The first optical circulator(102) is connected to one end of a strand of an optical fiber to change paths of an upward optical signal and a downward optical signal. A WDM(wavelength division multiplexing) channel of the upward optical signal passes through the first optical circulator, the first optical attenuator(104), the first optical fiber bragg grating(106) and the second optical circulator(108) and is input into an optical amplifier(110). A WDM channel of the downward optical signal passes through the fourth optical circulator(116), the second optical attenuator(118), and the second optical circulator, and is input into the optical amplifier.
Patent KR-20010057044-A (KR)
Title: Duplexer dielectric filter
Inventor: KIM JIN DEOK
IPC: H01P1/207
Filed: 1999-12-17
Abstract: PURPOSE: A duplexer dielectric filter is provided, in which a conductive pattern is formed at an open surface of a dielectric block and an insulation layer is deposited to the open surface, to thereby achieve a simplified conductive pattern and allow capacitance value of the coupling pattern to be adjusted. CONSTITUTION: A duplexer dielectric filter comprises a resonance frequency pattern(90) formed at an open surface(120) of a dielectric block(100) and which has a conductive electrode pattern(130) electrically connected to a resonance hole(110) so as to adjust coupling between the resonance frequency of the resonance hole and each resonance hole; a tuning pattern(170) formed by depositing an insulation layer(150) at the open surface of the dielectric block, and forming a conductive electrode pattern(160) in such a manner as to at least partially contact the conductive electrode pattern formed at the resonance frequency pattern; and a magnetic coupling pattern(210) formed by forming a hole at the insulation layer to be connected with a ground electrode, and depositing a conductive material into the hole so as to be connected with the ground electrode.
Patent KR-20000075440-A (KR)
Title: 지중매설관로
Filed: 1999-12-18
Abstract: 각각이 상부면에 홈(21)을 가진 복수의 하부쪽 블록(11)을, 그 홈(21)이 연속하도록 끝면을 대치시켜서 직렬로 배치하고, 이들 복수의 하부쪽 블록(11)의 열에 걸쳐지는 파형부가 관(15)을, 그 하부가 상기 홈에 수용하도록 부설하고, 그 위에, 하부면에 홈을 가진 상부쪽 블록을 다수, 그 홈이 상기 파형부기관의 상부에 덮어지게 끝면을 대치시켜서 직렬로 배치한 지중매설관로로서, 상기 파형부가 관(15)의 바깥둘레에는, 독립된 복수의 산부분과 골짜기부분이 번갈아 파형형상으로 형성되어 있다.