baber/WOPTO huggingface dataset:
Patent KR-20000027281-A (KR)
Title: Method for manufacturing flash memory cells
Inventor: SHIN JIN
IPC: H01L27/115
Filed: 1998-10-27
Abstract: PURPOSE: A stacked gate flash memory cell is provided to improve a step coverage of a common source line and a mis align margin by using a nitride spacer without a field oxide formation process. CONSTITUTION: A first ion implantation is performed on a semiconductor substrate(30)defined by an isolating region(31) and an active region. A nitride spacer(34) is formed at both sides of the isolating region(31). A tunnel oxide(35) is formed only on the active region of the semiconductor substrate(30). A floating gate(36) is formed by patterning a first polysilicon and a dielectric layer(37) of O(oxide)-N(nitride)-O(oxide) structure. A control gate(33) is formed by etching a second polysilicon. Then, a second ion implantation is performed on the resultant structure to form a junction region and a common source line.
Patent KR-20000032186-A (KR)
Title: Electric heater for seat
Inventor: BAEK HYEOK JAE
IPC: H05B3/20
Filed: 1998-11-13
Abstract: PURPOSE: An electric heater for a seat is provided to be actuated when detecting placement of a human in the seat and to transfer the heat through the surface of the seat directly to each part of the human body, thereby efficiently generating heat. CONSTITUTION: An electric heater for a seat includes a human detecting means for detecting placement of a human, an electric heater for transferring generated heat to the surface of the seat, a temperature control means for detecting any change of temperature attendant on the transfer of heat by the electric heater and for comparing the changed temperature with a predetermined temperature, a central control means, which is in connection with the human detecting means, electric heater and temperature control means. The electric heater and the human detecting means are installed in the inner side of the seat. The human detecting means consists of three magnets arranged in the center and at opposite sides and three magnetic sensors arranged to respond to the respective magnets.
Patent KR-19990078498-A (KR)
Title: 분광광도계를 이용하여 토양의 치환성 칼슘 함량을 신속하게 측정하는 방법
IPC: G01N21/31
Filed: 1998-11-23
Abstract: 본 발명은 종래의 치환성 칼슘을 측정하는 표준방법인 암모늄아세테이트법에 사용하는 암모늄아세테이트(NH 4 OAc) 용액으로 토양중의 치환성 칼슘을 침출시킨후 그 침출용액 중의 치환성 칼슘함량을 분광광도계를 이용하여 신속하게 측정하는 방법에 관한 것으로서, 이러한 본 발명은 종래에 측정기기로 사용하는 원자흡광광도계가 고가이며, 조작이 어렵고 가연성 가스를 사용하므로 오조작시 화재 또는 폭발의 위험이 있는 대신에 저가로 구입할 수 있으며, 조작이 간편하고 가연성 가스를 사용하지 않는 분광광도계를 사용하며, 분석과정에서 시약을 방울로 첨가하여 분석조작을 간편화시켜 전문 토양분석자가 아니더라도 토양의 치환성 칼슘함량을 손쉽게 측정할 수 있도록 한 방법이며, 측정된 값을 표준방법인 암모늄아세테이트법의 값으로 환산하는 방법을 제공하는 것이다.
Patent KR-20000034133-A (KR)
Title: Stacker crane
Inventor: SHIN IN SEUNG
IPC: B65G1/06
Filed: 1998-11-27
Abstract: PURPOSE: A stacker crane is provided to improve the workability and the safety by safely and quickly unloading, transferring and loading long goods. CONSTITUTION: In unloading and loading a long product such as a beam or a pipe, a girder unit(2) installed a fix hoist frame unit(3) and a moving hoist frame unit(4) is moved in an upper part of product by using a saddle unit(1). The moving hoist frame unit(4) is moved through a guide rail(21) of girder unit(2) to fit a length of product. Hoist units(5,5') connected clamper units(7,7') in a lower part is closed to the product by operating upward and downward with a wire pulley units(6,6') installed in the fix hoist frame unit(3) and the moving hoist frame unit(4). Then the product is clamped by operating clamper units(7,7'). When the product is clamped by the clamper units(7,7'), the product is lifted at a regular height by operating wire pulley units(6,6'), the clamped product is moved to a needed position by operating the saddle unit(1) and the clamped product is put down by a reverse work of clamping work.
Patent KR-20000034189-A (KR)
Title: Glasses using shape remembering alloy
Inventor: YU DAL HO
IPC: G02C1/00
Filed: 1998-11-26
Abstract: PURPOSE: A glasses using shape remembering alloy is provided to use a merit of function of a shape remembering alloy and keep mechanical strength simultaneously by providing glasses body of improved composition. CONSTITUTION: A lens frame(2,2'), a connecting rib(3), a connecting tube body and a bow(30,30') are composed by using an alloy made by mixing nickel(Ni), titanium(Ti) and cobalt(Co). Both ends of the connecting rib(3) are inserted in a connecting rib fixing tube body(3',3") which is fixed to the lens frame(2,2'). The bow(30,30') is inserted and fixed in a bow inserting tube body(31,32) which is connected to a hinge(20,20') of the lens frame(2,2'). Both ends of a plastic bar(10) are inserted and fixed in a plastic bar fixing tube body(11,12) fixed in the lens frame(2,2') for connection of the lens frame(2,2') with the upper side of the connecting rib(3). Each connected part is welded and fixed. So the glasses using shape remembering alloy has a welded frame part(W) in which a welding material dissolves and protrudes.
Patent KR-20000034607-A (KR)
Title: Analysis method of procedure having signal receipt of sdl
Inventor: LEE DONG GIL
IPC: G06F9/00
Filed: 1998-11-30
Abstract: PURPOSE: An analysis method of procedure having signal receipt of SDL(Specification and Description Language) is provided to analyze the procedure having signal receipt existing in SLD specification to automatically convert it. CONSTITUTION: An analysis method of procedure having signal receipt of SDL comprises: a first step searching and registering procedures generating signal receipt and expanding inner variables of the procedure as variables of a process; a second step converting the call to the procedure into a transfer to inner state and registering the residual portions of the transfer; and a third step analyzing the procedure to expand and convert the inner state into inner state of upper process.
Patent KR-20000039962-A (KR)
Title: Phase locked loop circuit
Inventor: KIM CHANG SEON
IPC: H03L7/00
Filed: 1998-12-16
Abstract: PURPOSE: A Phase locked loop(PLL) circuit is provided to realize phase lock during 1 to 2 clocks though input clocks are locked using a plurality of reference clocks. CONSTITUTION: A PLL circuit comprises RS flip-flops(202) and D flip-flops(216) respectively consisting one locked signal generation module. Adjacent two reference clocks(K0,K1) are input to the RS flip-flop(202), the output of which is input to the D flip-flop(216). The D flip-flop is operated by an input clock(CLK_IN) to generate a phase detection signal(S0). The PLL has the same number of the module as that of the reference clock(K0-/K3) to detect the section which the phase of the input clock belongs to.
Patent KR-20000040409-A (KR)
Title: Method for improving tensile of surface modified sic sintered body
Inventor: JANG CHUL WOO
IPC: C04B35/565
Filed: 1998-12-18
Abstract: PURPOSE: A method for improving the tensile of surface modified SiC sintered body is provided, to improve the abrasion-resistance and the breaking tensile. CONSTITUTION: A method comprises the steps of preparing a source powder A which is obtained by mixing beta-SiC, alumina (Al2O3) and yttria (Y2O3); preparing a source powder B which is obtained by mixing beta-SiC, alumina, yttria and 0.5-3 wt% of alpha-SiC which promotes the growth of particles; preparing the molded body whose surface part is made up of the source powder A and whose inner part is made up of the source powder B; and burying the molded body in the powder bed which contains BN and inhibits the growth of particles at the surface, and sintering it at the temperature of 1950-2050°C for 3-6 hours with Ar streaming. Preferably the source powder A comprises 85 wt% of beta-SiC whose size is less than 1 micrometer, 9 wt% of alumina (Al2O3) and 6 wt% of yttria (Y2O3), the source powder B comprises 82-84.5 wt% of beta-SiC whose size is less than 1 micrometer, 9 wt% of alumina, 6 wt% of yttria and 0.5-3 wt% of alpha-SiC, and the powder bed comprises 60 wt% of BN, 34 wt% of beta-SiC, 3.6 wt% of alumina and 2.4 wt% of yttria.
Patent KR-20000041076-A (KR)
Title: Semiconductor device fabrication method for preventing out-diffusion of impurities
Inventor: JIN GYO YEONG
IPC: H01L21/22
Filed: 1998-12-21
Abstract: PURPOSE: A semiconductor device fabrication method is to prevent impurities implanted into the semiconductor device during a subsequent process from being out-diffused, thereby enhancing the refresh capability in dynamic random access memory(DRAM). CONSTITUTION: A semiconductor device fabrication method comprises the steps of: providing a semiconductor substrate having a trench(110) and a pad oxide, an etch stopper layer of nitride layer and an anti-reflective coating(ARC) layer stacked in the named order on the semiconductor substrate except the trench region; forming a first oxide layer(112) of annealed oxy-nitride on the side walls and the bottom face of the trench; forming a trench liner(114) and a high temperature oxide(116) in the named order on the resultant substrate including the trench; forming a planarizing oxide layer(118) on the high temperature oxide such that the trench is filled; removing the planarizing oxide layer and the ARC layer by chemical mechanical polishing(CMP) and thereafter removing the etch stopper layer; and forming a gate oxide of oxy-nitride on the resultant semiconductor substrate.
Patent KR-20000041571-A (KR)
Title: Brush for vacuum cleaner
Inventor: PARK MIN HO
IPC: A47L9/10
Filed: 1998-12-23
Abstract: PURPOSE: A brush for a vacuum cleaner is provided to improve convenience of manipulation and cleaning efficiency by enlarging vertical moving range by adding an additional hinge structure to a hinge structure between a brush pipe and a brush neck. CONSTITUTION: By progressing a brush by holding the handle of an expansion or a controlling unit, the height of a hand is lowered for the lower surface of a brush main body(30) to be parallel with ground. Thus, cleaning efficiency is maintained. When the brush is retreated, the hand is heightened from the ground. Herein, a brush neck(53) is placed vertically by a second hinge protrusion(52d) in a sliding unit(52c) of a neck guide(52) for compensating the difference of height. Thus, the brush is maintained for being parallel with the ground. Therefore, the cleaning efficiency is maintained while improving convenience of manipulation by the two-fold hinge structure of the neck guide.
Patent KR-20000042185-A (KR)
Title: Method for producing wire rod for carbon arc welding rod
Inventor: CHOI SANG U
IPC: C21D9/52
Filed: 1998-12-24
Abstract: PURPOSE: A method is provided to produce a wire rod for a carbon arc welding rod available to strengthen tensile strength and to restrain the increase of deviation of a wire rod of a welding rod by minimizing a cold structure and TiC extract in cooling. CONSTITUTION: A wire rod for a carbon arc welding rod is produced by extracting steel piece material by reheating, hot rolling by passing roughing, intermediate roughing and sand rolling, by making the hot rolled wire rod pass a cooling facility and winding the wire rod. An intermediate water cooled facility is installed between the intermediate roughing and the sand rolling to super cool the wire rod to make the temperature of the outlet less than 1050dec.C. Thereby, a low temperature structure and TiC extract are minimized, tensile strength is strengthened, and standard deviation is restrained.
Patent KR-20000046778-A (KR)
Title: Calibration method for applying off-line program of robot in vehicle body production line
Inventor: HONG SEOK KWAN
IPC: B62D65/00
Filed: 1998-12-31
Abstract: PURPOSE: A calibration method for applying an off-line program of a robot in a vehicle body production line is provided to increase the reliability of an off-line program method by minimizing the absolute position error generated by errors of several devices. CONSTITUTION: A vehicle body welding work line is composed of a robot(3), a welding gun(2), a vehicle body transferring device(8) and all kinds of jigs. In a calibration method, all measurements are accomplished by measuring and standardizing a reference coordinates on a vehicle body(9) in order to minimize a measurement error. In addition, the measurement error of data for calibration is minimized by measuring the position error of the jig for placing the vehicle body(9) to the vehicle body reference coordinates.
Patent KR-20000047012-A (KR)
Title: Fabrication method of thin film transistor substrate for liquid crystal display
Inventor: PAK UN YONG
IPC: H01L29/786
Filed: 1998-12-31
Abstract: PURPOSE: A fabrication method of thin film transistor substrate for an LCD is provided to decrease the number of masks and a new photo etching method of thin film, and simplification of the process to make the thin film transistor substrate for an LCD and uniform depth for one etching depth while etch the large area to a difference depth each other. CONSTITUTION: A fabrication method of thin film transistor substrate for an LCD comprises forming a common electrode wiring having common electrode and common electrode line and a gate wiring having a gate line, gate electrode, a gate pad of peripheral. On the substrate a full screen display(D) and peripherals(P) are included. A gate insulate film, a semiconductor layer, a conductor layer are vapor deposited continually and conductor layer and contact layer are patterned. A data wiring having data line of screen display, source/drain electrode and peripheral's data pad, and the lower contact pattern are formed. A protect film is vapor deposited and a positive photo-resist film applied on it. The light is irradiated on the photo-resist film through one more masks which have different transmittance of the screen display and the peripherals, and patterning a contact window having a open gate pad with at least one other thin film.
Patent KR-20000047029-A (KR)
Title: Pointer interpretation and b3 inspection circuit using vhdl code
Inventor: SIM DAE HYOK
IPC: H04B17/00
Filed: 1998-12-31
Abstract: PURPOSE: A pointer interpretation and B3 inspection circuit using a VHDL code is provided to detect the normality and abnormality of received data by analyzing the pointer interpretation state of STM-1 and AU-4 signals and to confirm the locations of J1 and payloads and the generation of PJ(Positive Justification) and NJ(Negative Justification). CONSTITUTION: A pointer interpretation and B3 inspection circuit using a VHDL code(100) consists of a SIGNAL_GEN module(200) and a PTR_ADVANCE module(210). The SIGNAL_GEN module(200), receiving a frame pulse(FP 19M) and a data(CH19MDT), counts one frame of STM1 and searches the locations of pointers(H1,H2,H3), POH(Path OverHead) and payloads. The PTR_ADVANCE module(210) outputs an NDF(New Data Flag), an SS bit and H1H2 value, judges the NDF and the SS bit and confirms the generation of PJ and NJ.
Patent KR-20000047043-A (KR)
Title: Bias voltage generator of substrate
Inventor: KIM MI YEOUNG
IPC: G11C11/407
Filed: 1998-12-31
Abstract: PURPOSE: A bias voltage generator of a substrate is provided to increase the pumping speed on enabling and to minimize power consumption on disabling by regulating the cycle of pumping clock signals depending on power-up. CONSTITUTION: By composing a ring oscillator of two passes, power consumption is reduced by increasing a pumping cycle generated through a current pass consisting of a first delay unit(2), an operating unit(4) and a second delay unit(6) during a high power-up signal(/PWU). During a low power-up signal, the pumping is frequently generated by reducing the pumping clock cycle generated through a current pass consisting of a third delay unit(8), the operating unit(4) and the second delay unit(6). Thereby a substrate bias voltage is quickly increased up to a desired level.
Patent KR-19990076799-A (KR)
Title: 중합체 물질 보강용의 가호된 유리 섬유
IPC: C09D131/04
Filed: 1997-10-29
Abstract: 본 발명은 호제 조성물로 피복된 유리 섬유에 관한 것이다.  특히, 수용액으로부터 수득되는 당해 호제 조성물은, 하나 이상의 저분자량 폴리비닐 아세테이트 A와 하나 이상의 열적으로 자체 가교결합되는 폴리비닐 아세테이트 공중합체 B와의 혼합물[여기서, A/B의 중량비는 1 이상이다]을 접착성 필름 형성제로서 포함한다.
Patent KR-20000005260-A (KR)
Title: Conductive contact unit system
Inventor: KAZAMA TOSHIO
IPC: G01R1/067
Filed: 1997-04-10
Abstract: PURPOSE: A conductive contact unit system is provided to achieve a simple structure and economical fabrication, arrange a contactor with high density, and enhance electrical characteristics. CONSTITUTION: The system comprises a substrate having a first surface and a second surface, an inner conductor having an end extended to the second surface, a supporting ball installed on the second surface to internally expose the end of the inner conductor, a contactor having an inner end electrically connected to the exposed end of the inner conductor and an outer end suitably contacted with a non-contactor, and a bias unit for elastically supporting the contactor.
Patent KR-20000005386-A (KR)
Title: Liquid crystal mask and liquid crystal type laser marker and carving method thereby
Inventor: TANAKA HIROKAZU
IPC: B23K26/066
Filed: 1997-04-08
Abstract: PURPOSE: A liquid crystal typed laser marker is provided to indicate a design on a liquid crystal mask that has plural pixels and to carve laser light from the liquid crystal mask by irradiating to an art craft. CONSTITUTION: When dividing the design in a length direction, the laser maker carves the design using the liquid crystal mask(2a) that makes big one side pixel of the originated side to one of an upper and lower direction or a right and left direction. A controller(11) indicates each block(1) on a liquid crystal mask(2a) and irradiates laser light on the liquid crystal mask by outputting a command to each driving unit(32,31) of the first biasing devices(23X)(23Y). The second biasing devices(27X)(27Y) are controlled by the controller to face a carving area corresponding to the block that indicates a carving position.
Patent KR-20000010764-A (KR)
Title: Method and receiver for geographical selection of digitally coded messages
Inventor: KELL DIETMAR
IPC: H04B1/16
Filed: 1998-02-18
Abstract: PURPOSE: A method and receiver for geographical selection of digitally coded message is provided, which are sent by several transmitters and contain local data which is compared in receivers with selection data according to the respective positions of the receivers so that the transmitter scan also send selection data characterizing their respective transmitter range. CONSTITUTION: The receiver comprises: a RDS decoder (3) for receiving a stereo multi-signal outputted from a receiving unit (2) to decode; a decoder (4) for receiving a stereo multi-signal outputted from a receiving unit (2) to decode; a microcomputer (13) for controlling the receiving unit (2) and performing a decoding, a management, processing progress for selecting and reproducing a TMC broadcasting; a keyboard (14) and a display unit (15) to be connected to the microcomputer (13); and an input unit (10) of an NF amplifier (5) to be connected to the microcomputer through a sound synthesizer (16) for outputting the selected TMC broadcasting to the display unit (15).
Patent KR-20000050414-A (KR)
Inventor: KANG DUK EUN
IPC: F25D25/02
Filed: 1999-01-08
Abstract: PURPOSE: A rotary shelf structure of a refrigerator is provided to rotate or fix the shelf, conveniently putting in or drawing a storage article by a handle, and simply perform cleaning when a stored article is leaked. CONSTITUTION: A rotary shelf structure of a refrigerator includes a fixing element(61) formed with a securing hole(61a) of a predetermined diameter in a main body of a predetermined area and a plurality of roller coupling parts(M) at edge portions of the securing holes, rollers(62) mounted on the roller coupling parts of the fixing element to be adjustable in height with two steps, a rotation element(63) having a securing plate part(63a) of a diameter corresponding to the diameter of the securing holes of the fixing element to be rotatably inserted in the securing holes, a covering surface contact part(63b) extended from the securing plate part with a predetermined width for covering a top surface of the fixing element and contacting the rollers or the top surface of the fixing element at a lower surface, and a coupling part(63c) formed in a middle part of the securing plate part, and a handle part(64) of a predetermined height.
Patent KR-20000050768-A (KR)
Inventor: HWANG SEON HA
IPC: H01L21/28
Filed: 1999-01-14
Abstract: PURPOSE: A self align contact hole forming method of a semiconductor device is to prevent an electrical short circuit. CONSTITUTION: A first insulating film(104), a gate conductive film, and a capping film for a self align contact hole formation are formed in this sequence on a semiconductor substrate(102). A first capping film pattern is formed by removing the capping film formed besides regions to be provided with a self align contact hole. A gate pattern(106a) and a gate insulating film are then formed by patterning the gate conductive film and the first insulating film of the substrate with the first capping film pattern formed thereon in this sequence. A spacer(118) is then formed on the sidewalls of the gate pattern. Next, an etch stop film(122) and an interlayer insulating film(124) are formed in this sequence on the whole surface of the substrate with the spacer formed thereon. Finally, a self align contact hole(128) is formed by etching the interlayer insulating film and the etch stop film.
Patent KR-19990064428-A (KR)
Filed: 1999-01-29
Abstract: 본 발명은 숯팩 및 그를 이용한 숯베개에 관한 것으로, 베갯잇(21)에 의해 다수로 구획된 몸체부(13)와 상기 몸체부(13)의 양측면에 배치된 마구리부(11,12)가 일체로 재봉되어 있되, 상기 다수로 구획된 몸체부(13)와 마구리부(11,12)에는 일정한 입도를 갖는 숯칩(22)과 적어도 하나 이상 선택되어 혼합되는 조, 왕겨 또는 메밀로 혼합된 베갯속(22)이 통기성 천(23), 부직포(24), 솜(25) 및 겉천(26)에 의해 순차적으로 봉지된 숯팩(20)이 각기 봉입되어 있으며, 상기 몸체부(13)에 봉입된 숯팩(20)들은 각기 단면중심이 동일선 상에 위치되며 머리가 괴어질 때 하중에 의해 눌려져서 머리부분과 목부분이 수평선 상에 위치되도록, 상기 몸체부(13)의 중심부분에 봉입된 숯팩(20)이 상기 몸체부(13)의 양측부에 봉입된 숯팩(20)에 비해 상대적으로 작게 구성됨으로써, 침구류로서 양호한 통기성 및 완충성을 만족함은 물론, 휴식 또는 수면중에 대나무 숯의 원적외선 및 음이온효과에 의해 피로회복을 촉진할 수 있고, 더욱이 머리부분과 목부분이 수평선 상에 놓여지도록 인체공학적으로 형성되어 목통증이나 목디스크를 예방할 수 있는 특징이 있다.
Patent KR-19990068205-A (KR)
IPC: B01D21/28
Filed: 1999-01-29
Abstract: The clarifier contains a number of U-shaped elements (11) positioned parallel to each other and inclined at an angle to the horizontal. Liquid flows inside and between the elements as separation of lighter material occurs, giving co- and counter-current separation. The elements may be arranged side by side (as shown), or one above the other. Liquid (4) may be fed up between the elements (as shown), then flows down inside them (3) to a collector (12). Alternatively, flow may be in the opposite direction.
Patent KR-19990072372-A (KR)
IPC: H01L21/28
Filed: 1999-02-02
Abstract: 본 발명은, 소자분리를 위해 평탄화된 실리콘기판상에, 산화물층을 퇴적하는 공정; 기판의 게이트영역 상방에 질화실리콘섬을 형성하는 공정과, 질화물섬의 주위에 산화물의 측벽을 형성하는 공정; 상기 기판내에 소스영역과 드레인영역을 형성하는 공정;질화 실리콘섬을 제거하고, 이에 의해 게이트영역 상방에 간극을 남기는 공정; 게이트영역상방의 간극에 게이트유전체를 형성하는 공정; 상기 간극과 소스영역 및 드레인영역 상방의 영역을 충전하는 공정; 상기 구조체의 상부표면을 화학적기계적연마에 의해서 평탄화하는 공정; 상기 구조체의 상부표면에 금속층을 퇴적하는 공정; 및 상기 소스영역, 게이트영역, 드레인영역에 전기적으로 접촉하는 전극을 형성하기 위해, 구조체를 메탈라이즈하는 공정을 포함하는 플래너 MOSFET를 제조하는 방법을 제공한다.
Patent KR-19990077817-A (KR)
Title: 금속산화물(들)을 기초로 한층을 증착하기 위한 방법
IPC: C03C17/34
Filed: 1999-03-12
Abstract: 본 발명은, 기판 특히 투명한 기판(1) 상에 금속 산화물(들)을 기초로 한 연속 또는 불연속 층을 졸-겔 루트(sol-gel route)를 통하여 증착하기 위한 방법으로서, 
     (a) 하나 이상의 금속 전구물질(precursor), 하나 이상의 킬레이트제(chelating agent)/안정화제(stabilizing agent), 선택적으로 하나 이상의 용매 및/또는 하나 이상의 도펀트(dopant) 전구물질로부터 졸(sol)의 준비 단계, 
     (b) 상기 기판(1)의 면들 중 한 면의 최소 부분 상에 상기 졸을 하나의 층으로 증착하는 단계, 
     (c) 상기 기판(1) 상의 층으로 증착된 상기 졸의 최소 부분을 자외선으로 조사(irradiation)하는 단계, 
     (d) 상기 자외선으로 조사된 적어도 바로 그 최소 부분의 졸에 대한 열 처리 단계를 적어도 포함하는 방법에 관한 것이다.