baber/WOPTO huggingface dataset:
Patent KR-20000022058-A (KR)
Title: Sensor element seal for a gas sensor
Inventor: WEYL HELMUT
IPC: G01N27/407
Filed: 1998-05-14
Abstract: PURPOSE: A sensor element is provided to determine the oxygen content of exhaust gases from combustion engines. CONSTITUTION: A sensor includes a metal housing(35) having a sensor element(12) fitted in a housing(10) on the side of the reference gas area and a sensor element seal(19) which hermetically separates a reference gas area(53) from a measuring gas area(52). A sheath (40) inside the housing section (35) on the side of the reference gas area encloses a longitudinal section of the sensor element (12) and accommodates (41) the sensor element seal (19).
Patent KR-20000051712-A (KR)
Inventor: KIM IL
IPC: B41J2/16
Filed: 1999-01-25
Abstract: PURPOSE: A patterning method of a chamber plate is to increase a rigidity and junction strength for chamber plate by forming an anti-etching film on both sides of the plate. CONSTITUTION: A chamber plate patterning method comprises steps of: producing a 3-layered film by integrally forming an anti-etching film(30) between a vibration plate(10) and a chamber plate(20); covering an upper surface of the chamber plate with a photoresist film in a predetermined thickness: after the photoresist film is exposed and developed by using a mask, cleaning the chamber plate to remove an unnecessary portion; depositing the anti-etching film on the upper surface of the chamber plate with the photoresist film being removed; and etching an opening of the anti-etching film with etching solution during a desired period.
Patent KR-20000051885-A (KR)
Title: Dispersion value measurement system of optical fiber
Inventor: PARK TAE SEONG
IPC: G02B6/00
Filed: 1999-01-27
Abstract: PURPOSE: A dispersion value measurement system of optical fiber is provided to measure dispersion value more precisely by using a small-signal interpretation method and a spectrum rejection filter with specific wavelength of an optical fiber amplifier. CONSTITUTION: A dispersion value measurement system of optical fiber includes followings. A light source emits light signals. An optical modulator(230) modulates light signals after receiving authorization of specific RF signals. An optical amplifier(240) amplifies the modulated light signals. An ASE(Amplified Spontaneous Emission) rejection filter(250) rejects ASE of the amplified signals at specific wave length band. A dispersive medium(260) dispersion-compensates the ASE-rejected light signals. A photoelectric converter(270) converts the light signals of the dispersive medium into electrical signals. A network analyzer(280) analyzes the electrical signals from the photoelectric converter(270), and generates and supplies specific RF signals to a high frequency terminal of the optical modulator(230).
Patent KR-20000052232-A (KR)
Inventor: CHOI YONG HOON
IPC: G11B19/26
Filed: 1999-01-30
Abstract: PURPOSE: A method for discriminating disk is provided to accurately discriminate a disk by correcting a rate of focus search by using a time axis differential component. CONSTITUTION: When a DVD is loaded in a disk driver, a light is radiated on an optical disk for focus search, an objective lens is lowered down and raised toward the DVD(S1). A focus error signal is detected by the optical beam reflected on the DVD(S2). When a first focus error signal is detected, a timer '1' is driven, a second focus error signal timer '1' value is read out and stored in a memory(S3-S5). After a peak level is detected, a timer '2' is driven and a bottom level is detected(S6-S8). A timer '2' value is read out and a time difference(t3) between the peak level and the bottom level is stored in the memory(S9). A slope of the focus error signal is obtained by the peak level, the bottom level and t3(S10). t1 value is corrected according to the slope value and its corrected value t4 is stored in the memory(S11). The kind of optical disk of being currently accessed is discriminated by using the t4 value.
Patent KR-20000059824-A (KR)
Inventor: CHOI JIN MIN
IPC: F23D14/00
Filed: 1999-03-09
Abstract: PURPOSE: A gas combustion apparatus for a gas boiler is provided to stabilize combustion without change even if gas pressure, external temperature and air pressure fed to a combustion apparatus are changed. CONSTITUTION: A combustion chamber(10) is divided into second and third gas mixing chambers(14,17) and an outlet(21) of a venturi tube(20) is set in the center of the second gas mixing chamber(14). Gas passes through the venturi tube(20) primarily from a nozzle to be mixed with air. The primary mixed gas flows into the second gas mixing chamber(14) in the combustion chamber(10). The mixed gas is mixed secondarily in the second gas mixing chamber(14) and then introduced into the third gas mixing chamber(17) through a diffusion unit(15A). The gas is mixed with air thirdly in the chamber(17). The mixed gas is discharged through slits(11) on the outside of the combustion chamber(10) to be mixed with air fourthly.
Patent KR-19990046437-A (KR)
Title: 방음벽지및그제조방법
Filed: 1999-03-12
Abstract: 본 발명은 방음벽지와 그 제조방법에 관한 것이다. 
     방음벽지의 제조방법에 있어서, 제1공정으로 PVC수지 100중량부, 가소제 40~60중량부, 안정제 3중량부, 충진제 100중량부, 황산바륨85~115중량부, 산화철 16~28중량부, 항균제 0.1중량부, 삼산화안티몬 3~5중량부를 준비한 후, 저속으로 120℃에서 20분간 혼합시킨 후, 밀폐형 혼합기(Intensive Miser(BANBURY M/C))에서 열을 120℃에서 5분간 겔(Gel)화시켜 괴상의 반죽으로 만들고, 제2공정에서, 상기 반죽된 덩어리를 두 개의 롤에서 일정두께 (약 8mm)와 폭10Cm으로 절단하여 또 한번의 반죽을 가열롤에서 150℃의 온도로 행하여 판상으로 제조한 후 제3공정으로 이송하여, 상기에서 제조된 판상으로 절단된 반죽을 컨베어 벨트를 통하여 역L형의 네 개의 롤(Calender M/C)로 투입하여 소정의 두께와 폭으로 시트(Sheet)를 만들고, 부직포 위에 170℃에서 라미네이트(Laminating)하여 PVC시트(Sheet)와 부직포의 적층체로 일정길이를 권취하고 제4공정에서 상기 제3공정에서 제조된 판상으로 절단된 반죽을 컨베어 벨트를 통하여 역L형의 네 개의 롤(Calender M/C)로 투입하여 170℃에서 소정의 두께와 폭으로 하여 PVC시트(Sheet)를 제조하여 일정 길이로 권취한 후 제5공정으로서 상기 제3공정과 제4공정에서 권취된 적층체와 PVC시트 (Sheet)를 별도의 설비로 이동하여 적층기(Laminator M/C)열을 가하여 2차 적층(Laminating)시켜 일정 폭으로 절단하여 권취하여 포장함을 특징으로 하는 방음벽지의 제조방법과 표층(1)은 PVC 시트 층으로 하고 PVC시트의 중간층(2) 부직포(3)로 구성됨을 특징으로 하는 방음벽지
Patent KR-20000061203-A (KR)
Title: Single voltage type phemt
Inventor: LEE JONG RAM
IPC: H04B1/40
Filed: 1999-03-24
Abstract: PURPOSE: A single voltage type PHEMT(Pseudomorphic High Electron Mobility Transistor) is provided for implementing a small size portable terminal of a digital modulation type and decreasing the fabrication cost. CONSTITUTION: A single voltage type PHEMT device is formed of a semi-insulation substrate(110) on which a buffer layer(120), a first electron supply layer(130), a first conductive layer(140), a second electron supply layer(150), a second conductive layer(160), a third electron supply layer(170), a depletion layer(180) and a surface layer(cap layer)(190) are sequentially stacked. A gate electrode(200) is formed at an upper portion of the depletion layer(180) which is exposed by partially removing the surface layer(190). An ohmic electrode(190) which is used as a source or drain electrode is formed on an upper portion of the surface layer(180) at both sides of the gate electrode(200).
Patent KR-20000061370-A (KR)
Inventor: YOON DEOK YEONG
IPC: B63B3/14
Filed: 1999-03-25
Abstract: PURPOSE: A method is provided to accomplish an automated design for ship construction utilizing a CAD(computer aided design) system. CONSTITUTION: A method comprises a first step of preparing a library for the representative form of the ship construction member, a second step of inputting a parameter value indicative of shape characteristic of the construction member, a third step of obtaining from the library a position data for installation of the construction member, a fourth step of allocating coordinates to points in accordance with the parameter value and the position data, and a fifth step of connecting each of the points. With the method, a design automation for the construction member in which a frequently used construction member is automatically generated in CAD system, can be obtained.
Patent KR-20000067378-A (KR)
Inventor: KIM SEUNG GYU
IPC: E01C19/40
Filed: 1999-04-28
Abstract: PURPOSE: A concrete place finishing apparatus is provided to enhance the osmosis of poured concrete and to smoothen the surface of the concrete layer. CONSTITUTION: A finishing apparatus(10) is placed on a rail(16) after fitted with the width of a road or a bridge. On pouring concrete, a moving part(20) and a vibrator(40) are operated to move the finishing device in a pouring direction and to deliver vibration to a floor frame(13) by rotating a vibration shaft(43) fixing many vibration cams(44,45). Therefore, the concrete is infiltrated between reinforcing bars regularly and the surface of a concrete layer is smoothened.
Patent KR-20000073133-A (KR)
Inventor: SEO WON SIK
IPC: H02M7/155
Filed: 1999-05-06
Abstract: PURPOSE: A power supplying device is provided to improve the reliance of an output power by simultaneously outputting the high voltage/low current and the low voltage/high current using a common switching power system. CONSTITUTION: A power supplying device comprises a rectifying circuit(21) for outputting a direct power by rectifying an alternating power. A high voltage/low current transforming section(31) is provided to change the output of the rectifying circuit(21) to a switching alternating voltage thereby outputting a high voltage/low current. A low voltage/high current transforming section(41) is provided to divide the switching alternating voltage of the high voltage/low current transforming section(31) into multiple output levels. The low voltage/high current transforming section(41) rectifies the switching alternating voltage of the high voltage/low current transforming section(31) to a low voltage/high current.
Patent KR-19990064766-A (KR)
Title: 기능성 우유병
Filed: 1999-05-07
Abstract: 본 발명은 기능성 젖병으로 적정온도의 우유공급을 시각적으로 확인할 수 있는 색온도테입, 멸균 기능이 있는 바이오 소재로 내부 도포되고 부드라운 피부와 유사한 연질의 폴리우레탄 젖병과 젖꼭지로 구성된다.
Patent KR-20000074099-A (KR)
Inventor: JUNG JE KI
IPC: H02G7/00
Filed: 1999-05-18
Abstract: PURPOSE: A concrete electric pole is provided to obtain less ground resistor, to improve the reliability of power supply, and to prevent the falling of a thunderbolt and safety accidents. CONSTITUTION: A concrete electric pole comprises a cylindric earth electrode(20). The cylindric earth electrode(20) consists of a cylindric ground ring(21), three unit ground electrodes, and a ground electrode support(25). Each of the unit ground electrodes consists of needle ground electrodes(23) attached at a lower part of the ground ring(21). The ground electrode support(25) connects the unit ground electrodes.
Patent KR-20000074787-A (KR)
Inventor: KIM GEUN HO
IPC: F04B49/00
Filed: 1999-05-26
Abstract: PURPOSE: A pump with nitrogen fuzzy system is provided to reduce maintenance cost by protecting a check valve and an elbow from contaminated exhaust gas and powder, and protecting the check valve from a counter-flow even when a vacuum pump stops its operation. CONSTITUTION: A vacuum pump comprises a pump body, an elbow, and a check valve, where an exhaust gas emitted from the pump body sequentially passes through the elbow and the check valve and is discharged. The vacuum pump further comprises a nitrogen fuzzy pipe(120) connected to the elbow and which ejects N2 gas toward the check valve. The nitrogen fuzzy pipe is connected with a nitrogen fuzzy system(130) for maintaining nitrogen gas supply pressure constant and controlling nitrogen gas supply. The nitrogen fuzzy system includes a flow meter(136) for measuring the amount of nitrogen gas supply, a shutoff valve(134) for shutting off nitrogen gas supply when the pump body stops its operation, and a regulator(132) for maintaining nitrogen gas pressure being supplied during the operation of the pump body constant.
Patent KR-19990068655-A (KR)
Title: 폐플라스틱을이용한다층구조의플라스틱흄관및그제조방법과제조장치
Filed: 1999-06-08
Abstract: 본 발명은 폐플라스틱 원료를 재생하여 내부 파이프(내피) 구조를 이루고, 재생이 아닌 플라스틱 원료를 그 내피의 외면에 압출, 접합하여 형성함으로써 재생 플라스틱을 사용하여 자원의 재활용과 환경보호가 가능하며, 간단한 구조로도 내압강도가 증대되고, 나아가 외피만을 신규의 플라스틱 원료를 사용하여 나선구조의 내피를 접합시키면서 외관도 미려하게 할 수 있는, 폐플라스틱을 이용한 다층 구조의 플라스틱 흄관 및 그 제조방법과 제조장치를 제공한다. 
     그 플라스틱 흄관은, 열가소성 플라스틱으로 이루어지고 나선으로 권선되어 파이프를 형성하며, 적어도 2층이상이 접합되어 형성된 다층구조의 플라스틱 흄관에 있어서, 폐플라스틱 원료를 용융, 압출하여 나선형으로 권선, 파이프를 형성하는 적어도 한 층의 내피(2)와, 그 내피(2)가 권선된 직후에 그 내피(2)의 외면에 용융된 플라스틱 원료를 압출,접합시켜 최외각층으로 형성되는 한 층의 외피(3)를 포함하여 구성되는 것을 특징으로 한다.
Patent KR-20000006092-A (KR)
Inventor: HARANO NOBUYA
IPC: H01Q1/24
Filed: 1999-06-11
Abstract: PURPOSE: A portable small mobile station is provided to improve a high antenna gain with a reduced size of them. CONSTITUTION: A portable small mobile station comprises a wireless board coupled to a loop antenna, a display device and a battery. In addition, the portable small mobile station comprises a control board coupled to the wireless board in parallel through a connector. One section of plat portion of the loop antenna is formed to arch. The loop of the antenna is formed perpendicularly to the wireless board and the control board. And a gap is ensured between the loop and a section of the wireless board.
Patent KR-20000006173-A (KR)
Inventor: ONOMASASI
IPC: H01L21/00
Filed: 1999-06-15
Abstract: PURPOSE: A particle generation reducing method and a semiconductor fabrication apparatus are provided to fabricate a semiconductor with a sufficient high yield by reducing a generation of a particle. CONSTITUTION: The semiconductor fabrication apparatus comprises a wafer loader(22), a static chuck(11), and a heating unit(2, 12). When adsorbing a wafer(1) on an adsorption plane of the static chuck(11), a difference between temperatures before adsorbing the wafer(1) and after adsorbing the wafer(1) is maintained below 50°C. To maintain the difference of 50°C, the heating unit(2, 12) previously heats the wafer(1) on the wafer loader(22) in the semiconductor fabrication apparatus. Thereby, a semiconductor can be fabricated with a sufficient high yield by reducing a generation of a particle.
Patent KR-20010002670-A (KR)
Inventor: YOON GANG SIK
IPC: H01L27/04
Filed: 1999-06-16
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to eliminate the need to form a contact hole separated from a gate electrode by more than 2 micrometer for guaranteeing a sufficient drain resistance, by forming roughness in a drain region. CONSTITUTION: An isolation layer is formed in a field region of a semiconductor substrate in which an active region and the field region are defined. A plurality of trenches(22) are formed in the semiconductor substrate adjacent to one end of the isolation layer. A gate electrode(25a) is formed on the semiconductor substrate not having the trench by intervening a gate insulating layer. Electrostatic discharge(ESD) ions are injected into the semiconductor substrate having the trench. A source region(28) is formed in one side of the gate electrode not having the trench, and a drain region(29) is formed in the other side of the gate electrode having the trench. An interlayer dielectric is formed on the entire surface of the semiconductor substrate, and the interlayer dielectric is selectively eliminated to expose a predetermined portion of the surface of the drain region, so that a contact hole(31) is formed.
Patent KR-20010002744-A (KR)
Inventor: LEE SEUNG HWAN
IPC: H01L27/10
Filed: 1999-06-17
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to obtain desired capacitance, by maximizing an effective surface area while forming a storage electrode with a metal. CONSTITUTION: The first interlayer dielectric(102) having the first contact hole(101) is formed on a semiconductor substrate(100). A plug and an anti-diffusion layer(108) are buried in the first contact hole. The second interlayer dielectric(110) having the second contact hole exposing the anti-diffusion layer is formed. A storage electrode of a capacitor is composed of the first and second metal layer patterns wherein the first metal layer pattern(112a) is formed in an inner wall and a bottom of the second contact hole and the second metal layer pattern(118a) is formed inside the second contact hole. A high dielectric layer is formed on the storage electrode. A plate electrode of the capacitor is formed on the storage electrode.
Patent KR-20010002919-A (KR)
Inventor: LEE JANG HO
IPC: H04B7/24
Filed: 1999-06-18
Abstract: PURPOSE: A transmission system of a WLL(Wireless Local Loop) connecting device is provided to maintain signal power transmitted from each subscriber terminal as stable signals so as to improve quality of communication services, and to maximize the number of subscribers managed by base stations so as to minimize communication service costs. CONSTITUTION: A processor(50) calculates an amplification rate of an inputted transmission amplifying signal(CTL), and inputs a substantially-amplified/outputted radio frequency carrier(RFC), then readjusts amplification rates calculated according to differences between the CTL and the RFC. The processor(50) generates a digital control signal to output the digital control signal. A modem(60) inputs the digital control signal, and generates/outputs an amplification control signal(TX_CNTL) converting the digital control signal into an analog signal. A signal processor(70) inputs signals(TX_I,TX_Q) to modulate the signals(TX_I,TX_Q), and amplifies the signals(TX_I,TX_Q) according to the amplification control signal(TX_CNTL), then converts the signals(TX_I,TX_Q) into wireless transmission signals to wirelessly transmit the wireless transmission signals. A power detector(80) detects power values of the wireless transmission signals outputted from the signal processor(70), and outputs the signal(RFC) to the processor(50).
Patent KR-20010003173-A (KR)
Inventor: KIM YOUNG CHUL
IPC: A23L3/28
Filed: 1999-06-17
Abstract: PURPOSE: An automatic sterilizer having a speed-variable multistage conveyor using ultraviolet rays is provided to enhance the sterilization effect of marine products such as Hizikia fusiformis and brown seaweed by extending sterilization time in the unit area and sterilizing the products uniformly in general. CONSTITUTION: The automatic sterilizer includes a multiple conveyor belt part(10) which is variable in speed and transfers marine products to the bottom, a plurality of ultraviolet sterilizing lamps(30) being installed at the base plane of each conveyor belt, a supporter(20) for fixing the changed position of marine products, a safety device for protecting a user from the ultraviolet rays when opening and shutting a door of the conveyor, a control device(40) and a material supply conveyor(50). The supporter at the end part of each conveyor belt is installed for evenly sterilizing marine products by turning the other side of marine products.
Patent KR-20010003995-A (KR)
Inventor: KIM IN HONG
IPC: G11C11/406
Filed: 1999-06-28
Abstract: PURPOSE: A method for compressing an output data and a memory device for driving a packet command are provided which performs a test effectively and has a prefetched data output structure. CONSTITUTION: The method includes the steps of: prefetching data in the first bits after reading it from a core cell region; dividing the prefetched data of the first bits by the second bits and compressing it to the third bits according to a control signal; selecting the prefetched data in a normal mode and selecting the compressed data in a test mode according to the control signal; and outputting the selected data serially by shifting the selected data at a rising edge and a falling edge of a clock signal. Thus, the method reduces the test time, and a read data comparison part judges the kind of data in a front part of a data output shift register(301,302) of a data input/output block(300) and outputs data selectively in the normal mode and in the test mode.
Patent KR-20000006519-A (KR)
Inventor: GAYA HARASHIN
IPC: G03G15/16
Filed: 1999-06-28
Abstract: PURPOSE: An image forming device that an image is not deteriorated is provided. CONSTITUTION: The pixel forming device has:plural first rollers arranged in a transfer unit; a first belt having first deformed portions placed on the surface of each circumference of the first rollers; plural second rollers arranged in another transfer unit; and a second belt driven by the same speed of the circumference with the first belt and having second deformed portions place on the surface of each circumference of the second rollers.
Patent KR-20010005377-A (KR)
Inventor: CHO JEONG GIL
IPC: F01M9/10
Filed: 1999-06-30
Abstract: PURPOSE: An oil discharge structure is provided, in which an oil discharge hole is formed at the cam shaft cap, to thereby prevent the seal of cam shaft from being escaped while eliminating the occurrence of oil leak. CONSTITUTION: An oil passage hole(100a) is formed at a cylinder head(100) so as to feed oil to a journal unit(105a) of a cam shaft(105). The cam shaft having a seal(110) arranged at the front portion of the cam shaft is mounted to be rotatable to the cylinder head. A cam shaft cap(120) is bolt-coupled to the cylinder head so as to protect and support the cam shaft (105) when the cam shaft is mounted to the cylinder head. An oil pressure discharge hole(125) is formed at the cam shaft cap in such a manner that the hole is communicated to the seal and the inside of the cylinder head. The oil pressure discharge hole is formed to correspond to a return hole(100b) formed at the cylinder head so as to discharge the over-pressurized oil being delivered toward the seal of the cam shaft.
Patent KR-20010008524-A (KR)
Inventor: KANG CHANG MO
IPC: H01L29/78
Filed: 1999-07-01
Abstract: PURPOSE: A structure and a fabricating method for a transistor having a triple gate are provided to prevent hot carrier effect by reducing electric field intensity applied to a drain near gate edges. CONSTITUTION: An insulation layer is formed on a silicon substrate(100) having a field oxide layer, and then a contact hole is formed in the insulation layer to define a channel region. Next, a gate oxide layer(104) is formed in the contact hole and on the channel region of the substrate(100). Thereafter, a conductive layer is filled in the contact hole and etched to form a pair of side gates(106) on the gate oxide layer(104). The side gates(106) are spaced apart from each other and slanted upward and outward. An intergate insulating layer(108) is then formed to cover a slanted upper surface of the side gates(106). Thereafter, a top gate(110) is formed on the intergate insulating layer(108) between the side gates(106), adjoining the gate oxide layer(104). Therefore, a gate electrode(G) is composed of the pair of side gates(106) and the top gate(110). The intergate insulating layer(108) around the top gate(110) and the insulation layer thereunder are removed, and then a source/drain region(112) is doped with impurities in the substrate(100) exposed between edges of the side gates(106) and the field oxide layer.