baber/WOPTO huggingface dataset:
Patent KR-20000066961-A (KR)
Inventor: SONG SEUNG HEON
IPC: H01L21/66
Filed: 1999-04-22
Abstract: PURPOSE: An apparatus for detecting a defect on a wafer is provided to analyse a front surface and a rear surface of a wafer, simultaneously, by using a general probe card without a separate alignment. CONSTITUTION: An apparatus for detecting a defect on a wafer comprises a plate(20), a base(30), a first camera and a second camera(70). The plate is composed of a transparent material, and an upper surface of the plate is flat. And, a test piece selected from a group of a wafer, a chip cut from the wafer and a piece cut from the wafer is placed on the plate. The base supports the plate at an edge of a rear surface of the plate. The first camera detects a front surface of the test piece placed on the plate, positioned on an upper surface of the plate. The second camera detects a rear surface of the test piece placed on the plate, positioned on a lower surface of the plate.
Patent KR-20000067169-A (KR)
Title: Liquid fuel container
Inventor: PARK JIN HA
IPC: F17C1/00
Filed: 1999-04-24
Abstract: PURPOSE: A liquid fuel container is provided to prevent spray of liquid fuel without regard to the position where a liquid fuel container is placed. CONSTITUTION: While the end of a tube(140) floats on the surface of liquid fuel(L) by a float(141), fuel gas(G) is fully filled in a support member(123) due to the difference of atmospheric pressure of the interior and the exterior of a tank(110). By pressurizing a stem(130), a rubber ring(134) closing an outlet hole(132) is turned over and the fuel gas flows in via the outlet hole. The fuel gas is sprayed outside via a spray path(131), Even if a container(100) is used by laying down, standing up or slantly, the liquid fuel flowing into the tube is not sprayed outside.
Patent KR-20000072975-A (KR)
Inventor: KIM WOO JONG
IPC: H01R13/631
Filed: 1999-05-03
Abstract: PURPOSE: An electric outlet is provided to help an installation of the outlet in a building structure by fastening a lead wire originating from exterior without opening the entire cover set. CONSTITUTION: An electric outlet comprises: two screwed holes which can be engaged with a top surface cover of the outlet and a bottom surface of the outlet; two screwed holes which can be engaged with a bottom surface cover of the outlet and a top surface; two screwed holes which make the top surface and the bottom surface of the outlet to be engaged with each other and to be attached to a wall of building structure or any part to which the outlet is to be attached; and a fastening region which can strongly fasten an electrical wire being entered from exterior. The above holes formed on a body of the electric outlet do not need for opening an outside cover of the outlet for carrying out a fastening operation of the wire. Also, it is unnecessary to open entire top surface cover of the electric outlet, instead of which opening only an engaging type small size cover makes drawing and fastening of exterior lead wire is possible.
Patent KR-20000075342-A (KR)
Inventor: JUNG LEA EUN
IPC: H04B1/38
Filed: 1999-05-31
Abstract: PURPOSE: A bilateral transceiver is provided to generate an alarm or vibrations when one of the bilateral transceivers is out of a range transceiving a wireless signal, so as to prevent personal effects from being lost or stolen, and tighten familiarity and solidarity of a group. CONSTITUTION: A transceiving antenna(10) receives a wireless signal abandoned from the air, and delivers the wireless signal from the air. A transceiver(12) demodulates the wireless signal, and amplifies the demodulated wireless signal to output the demodulated wireless signal. The transceiver modulates the wireless signal, and amplifies the modulated wireless signal to output the modulated wireless signal to the transceiving antenna. A power switch(16) supplies a battery(18) power, or intercepts the battery power. The power switch(16) is mounted on an outside of the bilateral transceiver, and decides whether the bilateral transceiver is used. A micro computer(20) decides a wireless signal inputted from other bilateral transceiver determined by a frequency band of an inputted wireless signal and a frequency system, or a serial number. The micro computer generates the wireless signal of the setup system or the frequency band to output the wireless signal, and outputs a calculated controlling signal. A selecting switch(22) selectively outputs the controlling signal, and makes the controlling signal operate as an alarm or vibrations. A speaker(24) generates a determined frequency sound. A vibrating motor(26) generates vibrations with a determined period.
Patent KR-20000006007-A (KR)
Inventor: VANSWAM LEONARD F P
IPC: G21C3/06
Filed: 1999-06-08
Abstract: PURPOSE: High intensity zirconium alloy containing bismuth and niobium is provided internal alloy of coated tube having high intensity rather than zircaloy-2 or zircaloy-4 meanwhile maintain outer alloy of multilayer coated tube having excellent anticorrosion inside of nuclear reactor and low parasitic neutron absorption property. CONSTITUTION: Alloy formed element or mixture of element selected from group consisted bismuth of 1.5 to 6 weight%, tin of 1 to 4 weight%, niobium of 0.5 to 3 weight% and/or molybdenum of 0.5 to 1.5 weight%, the rest of zirconium improved strength and anticreep.
Patent KR-20010001972-A (KR)
Inventor: PARK JEONG HUN
IPC: G11C16/06
Filed: 1999-06-10
Abstract: PURPOSE: A sense amplifier of a semiconductor memory device is provided to increase intensity and to perform fast and stably a sensing operation though a supply voltage goes low. CONSTITUTION: A sense amplifier of a semiconductor memory device includes a reference voltage generator(200), a sense voltage generator(100), an inverter(300) and a first switch(400). The reference voltage generator generates a reference voltage and outputs the reference voltage to a reference node. The sense voltage generator connects with the reference node, generates a sense voltage in response to a state of memory cells and outputs the sense voltage to a sense node. The inverter connects with the sense node, detects whether a level of the sense voltage is higher than a predetermined inverted voltage level and outputs logic low or logic high. The first switch is connected between a supply voltage and the sense node and becomes on or off in response to a first sense amp enable signal. When the first switch becomes on, the supply voltage is supplied to the sense node and when the first switch becomes off, the supply voltage is not supplied to the sense node.
Patent KR-20010002958-A (KR)
Inventor: AHN HUI DON
IPC: B60R22/34
Filed: 1999-06-18
Abstract: PURPOSE: A skid device of a seat belt retractor is provided to control a pressure against a vehicle occupant smoothly by restraining the torque of a torsion bar, so that the impact given to vehicle occupant is minimized. CONSTITUTION: A skid device of a seat belt retractor comprises; a belt winding shaft(40) having a cylindrical projected-part(44); a torsion bar(50) of which one end is connected to one end of the belt winding shaft, and the other end is connected to a skid mechanism united with a sprocket; and the skid mechanism which constrains the torque of the torsion bar. The cylindrical projected-part has a stopper(44a) which determines the rotation of the torsion bar. The skid mechanism consists of a latch part contacting with the stopper determines the right and left motion of the stopper, and a skid element(64) which controls the torque of the torsion bar. The one end of a skid member(60) and coupling parts(52,54) are inserted in a boss, and a skid structure(70) has a guide groove(76) formed around the boss. In the guide groove, at least two blocking elements are installed to control the amount of the torque of the belt winding shaft.
Patent KR-19990073229-A (KR)
Title: 영상디스플레이용블라인드
Filed: 1999-06-24
Abstract: 본 발명은 창문 차폐용 블라인드를 프로젝터에서 출력되는 영상을 후면에 디스플레이하는 리어 스크린으로도 사용가능하도록 하는 영상 디스플레이용 블라인드에 관한 것이다. 
     블라인드의 후면을 리어스크린으로 사용할 수 있도록, 창쪽으로 향하는 외측으로서 프로젝터에서 출력된 영상이 후면을 통해 디스플레이 되도록 하는 후면디스플레이수단과, 상기 후면디스플레이수단에 접착되고, 프로젝터에서 출력되는 영상을 잘 투과시키는 소정두께를 가진 투과수단과, 상기 후면디스플레이수단과 투과수단을 접착시키는 접착수단과, 실내로 향하는 내측으로서 상기 투과수단에 접착되어, 실내의 주변 환경과 조화할 수 있도록 소정의 색상을 가진 코팅수단으로 구성된 발명이 제시되어 있다.
Patent KR-20010009265-A (KR)
Inventor: PARK SEUNG HO
IPC: H04N5/228
Filed: 1999-07-08
Abstract: PURPOSE: A synchronizing circuit of a multi-camera system is to reproduce an image signal provided from a plurality of cameras through one screen splitting portion on a monitor without a separate cable for external synchronization. CONSTITUTION: A synchronizing circuit of a multi-camera system comprises a reference signal generating portion(100) for outputting the first reference signal to generate a color signal and the second reference signal matched with a phase of commercial alternating power by a phase controlling signal; a phase comparator(200) for comparing a system driving signal with the first reference signal to generate a phase comparing signal when internal synchronizing, and comparing the system driving signal with the second reference signal to generate the phase comparing signal when external synchronizing; an operating portion(300) for filtering a vertical frequency component of the phase comparing signal when internal synchronizing, and filtering a horizontal frequency component of the phase comparing signal when external synchronizing; and a dividing portion(400) for dividing a signal from the operating portion.
Patent KR-20000016970-A (KR)
Inventor: HAN YEONG SU
IPC: H04M1/06
Filed: 1999-07-27
Abstract: PURPOSE: An external audio connecting telephone is provided to select an audio function through an external audio machinery and telephone call when user is worn a headphone. CONSTITUTION: The telephone comprises a hook switch connected to a telephone office line, an input portion input/output an audio signal from an external sound machinery, and a select switch connected with an output portion and selectable one of the telephone office line, an external input and an external output.
Patent KR-20010011426-A (KR)
Title: Apparatus and method for assembling compressor
Inventor: DO JIN YEONG
IPC: F04D29/58
Filed: 1999-07-28
Abstract: PURPOSE: An apparatus and a method for assembling compressor is provided to promptly adjust the concentricity by reducing position adjusting time of a second support. CONSTITUTION: An apparatus for assembling a compressor including a first support and a second supports installed in upper and lower parts of a cylinder(110) supporting the rotation of an eccentric shaft, and a coupling element fixing the first and second supports, wherein the apparatus for assembling includes cylinder clamps(300a,300b) fixing the cylinder; first, second, third, and fourth pushers(400a,400b,400c,400d) installed in all direction of the cylinder for adjusting the position of provisionally assembled second support; first, second, third, and fourth precision gauges(500a,500b,500c,500d) measuring the feed per stroke of the second support; first, second, third, and fourth linear actuators(600a,600b,600c,600c) installed in all directions of the cylinder for moving the second support to a concentric position calculated by the pushers and the precision gauges with fixing the second support moved to the concentric position; and table(200) supporting each constituent part.
Patent KR-20010017027-A (KR)
Inventor: JEONG SANG YONG
IPC: G01N21/84
Filed: 1999-08-06
Abstract: PURPOSE: A product examination method and a computer vision system are provided to accelerate an examining speed by minimizing a mechanically mobile portion and to enhance a resolution. CONSTITUTION: A computer vision system comprises: a half mirror(25) transferring the light incident from a light source to a mobile mirror and transferring the light incident from the mobile mirror to a camera; mobile mirrors(31,32) irradiating the light incident through the half mirror to a cell of a test piece and transferring the light reflecting on the cell to the half mirror; a mobile mirror drive unit; a camera(20) converting the cell images incident through the half mirror to electrical signals, digitizing, and then outputting; and a computer(10). According to the low-resolution camera, a high resolution is realized. Therefore, a cost is reduced. Additionally, images are input at a high speed without noise and shock.
Patent KR-20000017263-A (KR)
Inventor: HASEGAWA KOHEI
IPC: C08G77/22
Filed: 1999-08-12
Abstract: PURPOSE: Process for the production organopolysiloxane emulsion having an excellent stability is provided which can be reduced the time for condensation polymerization. CONSTITUTION: The process comprises the steps of obtaining the primary emulsion by the emulsion dispersing low molecular organopolysiloxane(B) in water phase in the presence one or more anionic surfactant(A) selected from the organic sulfonic acid and organic sulfonic ester to become 300nm or less of mean particle diameter; condensation polymerization the emulsion at temperature of 10-80°C and neutralizing.
Patent KR-20010007639-A (KR)
Title: Mass production method of enoki mushroom spawn using a liquid medium
Inventor: CHOI DONG SHU
IPC: A01G1/04
Filed: 1999-08-19
Abstract: PURPOSE: A method of mass producing Enoki mushroom(Flammulina velutipes) spawn by using a liquid medium extracted from potatoes is provided to get a large quantity of the mushrooms with reduced pollution rate by various germs. CONSTITUTION: The method is characterized in the following steps : (i) getting a liquid medium by putting a potato extract with sugar in a culture container(2) and covering the container with a cotton cover(1) ; (ii) sterilizing the container and cooling the container to a temperature of 20deg.C ; (iii) grinding a pre-created inoculum source(100ml) with a homogenizer and inoculating the pulverized source to the liquid medium container(5l) in a clean bench ; (iv) keeping the temperature at 22-25deg.C and culturing the liquid medium for 5-7days by rotating on a stirrer(4) by putting a rotor(3) in the culture container ; and then (v) fitting an injector(5) of liquid spawn in the container after sterilizing the injector and inoculating the cultured liquid spawn by about 10ml to a sawdust medium(850cc) before culturing in the clean bench.
Patent KR-20010019321-A (KR)
Inventor: JUNG DEOG YEONG
IPC: C21B7/10
Filed: 1999-08-26
Abstract: PURPOSE: An apparatus and a method for detecting damage of a cooling panel are provided to early detect damage of a cooling panel and easily find damaged cooling panel by detecting vibration or sound transmitted to a water supplying pipe of a cooling panel as carbon monoxide in a blast furnace is irregularly ejected when a cooling panel is damaged. CONSTITUTION: A detection signal receiving panel (10) equipped with a vibration indication part, a speaker, a mode selection switch and an earphone is connected to an attachable sensor part (18) comprising a vibration system (15) and a microphone (16) through signal cable in an apparatus for detecting damage of a cooling panel. A method for detecting damage of a cooling panel consists the processes of detecting damage of a cooling panel with a cooling system monitoring device by installing an attachable sensor on a drain pipe of a water pipe of last step; receiving sound and vibration generated from the water pipes with a detection signal receiving panel by sequentially contacting the attachable sensor part (18) with the water pipes when damage of a cooling panel is detected; and finding damaged cooling panel out of cooling panels of various steps by analyzing received sound and vibration.
Patent KR-20010027082-A (KR)
Inventor: CHO HO JIN
IPC: H01L27/108
Filed: 1999-09-10
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor device is provided to prevent the oxidation of a diffusion barrier during a heat treatment process for stabilizing a BST dielectric layer after depositing the BST dielectric layer. CONSTITUTION: In the method, an interlayer dielectric layer(12) is formed on a semiconductor substrate(11) and then etched to form a contact hole exposing a junction region(10) formed in the substrate(11). Thereafter, a contact plug(13), a contact layer(14) and a diffusion barrier(15) are formed in the contact hole. Next, a sacrificial oxide layer is deposited on the interlayer dielectric layer(12) and then etched to expose the diffusion barrier(15). After that, a cylindrical lower electrode(17) is formed in the etched sacrificial oxide layer, and the sacrificial oxide layer is removed. Thereafter, the BST dielectric layer(18) is formed on an entire structure by depositing BST layers(18a,18b) in twice and then respectively heat-treating the BST layers(18a,18b) under an ammonia atmosphere. Next, an upper electrode(19) is formed on the BST dielectric layer(18) and then heat-treated under an oxygen atmosphere.
Patent KR-20000000121-A (KR)
Inventor: KIM KYOO SUHNG
IPC: B23H1/02
Filed: 1999-09-18
Abstract: PURPOSE: An electrode holder for an electrical discharge machine of fine deep holes is provided to precisely and narrowly fix an electrode used for manufacturing extremely fine sized holes in a settled state for improving the efficiency and extending the life span of the electrical discharge machine. CONSTITUTION: An electrode holder for an electrical discharge machine of fine deep holes comprises:an electrode chuck(2) combined to a combining part(11) of a main shaft(1); a recessed groove(21) formed on one side end of a fitting part(22) in the electrode chuck; and a sealing piece(4) installed in the space in a sealing part(12) formed inside of the recessed groove and the combining part of the main shaft.
Patent KR-20010028571-A (KR)
Inventor: KIM YONG SANG
IPC: C02F11/00
Filed: 1999-09-22
Abstract: PURPOSE: A treatment method of red mud and a waste water settling agent prepared thereby are provided, which can treat the red mud generated from Bayer process to extract aluminium hydroxide from bauxite using acid such as hydrochloric acid or sulfuric acid, so that the derived byproduct can be used as a waste water settling agent. CONSTITUTION: The method comprises the following steps: (i) pouring 735g of water in a glass reactor of 4L equipped with a condenser and stirring it with adding 1629g of concentrated sulfuric acid; (ii) adding 1 kg of red mud to the mixture slowly for 30 min to make slurry; (iii) heating the slurry at 50deg.C for 30 min, reacting it, and filtering it; (iv) washing the cake on filter paper with 1000mL of water; and (v) mixing this wash water with the filtrate to yield 3913g of a waste water settling agent.
Patent KR-20000000508-A (KR)
Inventor: PARK HOH JONG
IPC: B26B19/00
Filed: 1999-10-27
Abstract: PURPOSE: A non-powdered vibrissae shaver is provided to operate easily and safely without wrong operation and to be used semi-permanently without worrying about breakdown. CONSTITUTION: A non-powdered nostrils shaver comprises:a cutting plate(12) formed at the front end of an upper body(10); a ring shaped cutting ring(22) formed at the front end of a lower body(20); the rear ends of the upper body and the lower body fixed together; and a shaft rod(34) in the middle for forming the structure as a nail clipper.
Patent KR-20010046581-A (KR)
Inventor: PARK YONG GYU
IPC: G02F1/1335
Filed: 1999-11-13
Abstract: PURPOSE: A backlight unit for use in a display device is to reduce the thickness of the backlight unit, simplify an entire structure thereof and increase the luminance, thereby enhancing an optical efficiency and reducing a manufacturing cost. CONSTITUTION: The backlight unit comprises a light source(10), a light guide plate(20) and a prism sheet(30). The light source irradiates a predetermined amount of a light. The light guide plate for guiding the light toward the display device includes the first pattern formed on a bottom face thereof and the second pattern formed on a top face thereof. The first pattern scatters the incident light and the second pattern diffuses the light which is scattered and diffused by the first pattern. The prism sheet emits the light irradiated from the light guide plate in a direction vertical to a displaying surface of the display device. The bottom and the top faces of the light guide plate are coated with a reflective material.
Patent KR-20010046780-A (KR)
Inventor: KIM JIN GYU
IPC: B65D33/28
Filed: 1999-11-15
Abstract: PURPOSE: A fastener for security is provided to easily recognize opening of articles retaining the contents as the confirmation of the contents is available only by cutting a fastening strip ensured to a fastener. CONSTITUTION: A security fastener consists of a fastening strip fixed with an indicating label, a bottom plate(3) furnished with an inflow port of fastening strip and an outflow portion for an outlet of the fastening strip, a one-directional operator(4) with a protrusion(41) available for only one-directional proceeding to prevent the rearward proceeding of the fastening strip and a cover(5) fixed to the bottom plate. On pulling a withdrawal portion of the fastening strip withdrawn out of the outlet portion, a fastening portion is contracted and fixed tightly. So, the fastening strip is not released in a fixed state to a storage box. In case the fastening strip is withdrawn in the outflow portion, the space where the fastening strip passes is ensured so that the fastening strip is tightly fixed to the storage box. On the other hand, by advancing the fastening strip in the reverse direction, the space between the protrusion(41) of the one-directional operator and a fastening strip guide face(37) is decreased. Thereby, only the cutting of the fastening strip enables the open of the storage box.
Patent KR-20010046899-A (KR)
Inventor: LEE JONG GUK
IPC: C07C67/00
Filed: 1999-11-16
Abstract: PURPOSE: Provided is a method for preparing a polytetramethylene ether glycol diester having an adequate molecular weight with relatively high polymerization yield. CONSTITUTION: The polytetramethylene ether glycol diester is prepared by polymerizing tetrahydrofuran in the presence of carboxylic acid with using a catalyst, wherein the catalyst is prepared by supporting tungsten or molybdenum on a support material by using an acid solution and dipping metal sulfide or chloride therein by using an acid solution and then sintering at a temperature of 500-900 deg.C.
Patent KR-20010053771-A (KR)
Inventor: KIM HAE CHEON
IPC: H01L21/306
Filed: 1999-12-01
Abstract: PURPOSE: A method for photoelectrochemical etching of a semiconductor using an energy band bending is provided to improve an etching speed for the third group-nitrides by using a diluted etching solution. CONSTITUTION: An etching mask(3) is formed on a predetermined portion of a substrate(1). A resistance contact portion(4) is formed at one part of the substrate(1). An electric power is applied to the resistant contact portion(4). An insulating layer(6) is formed in order not to expose a connection portion between the resistance contact portion(4) and the power. The substrate(1) and the other electrode connected with the power source are soaked into an etching solution(11). A well is formed on a surface of the substrate(1) by applying the power to the substrate(1). An etching process is performed by irradiating the light larger than an energy gap of the substrate(1).
Patent KR-20010056518-A (KR)
Title: vaporiger for refrigerator
Inventor: LEE JANG SEOK
IPC: F28D1/00
Filed: 1999-12-15
Abstract: PURPOSE: An evaporation heat exchanger of a refrigerator is provided to manufacture a heat exchanger efficiently. CONSTITUTION: An evaporation heat exchanger is composed of two refrigerant tubes(51,52), and cooling fins(53) integrally formed to contact to the refrigerant tubes and arranged between the refrigerant tubes. A defrosting heater(53) is placed in the lower part of the evaporation heat exchanger to defrost a surface of the heat exchanger by radiant heat. The two refrigerant tubes and the cooling fins are integrally formed with extrusion molding. Louvers are formed on the cooling fins by punching to ventilate. The louver consists of a hole(53a) and a louver fin(53b) bent to guide air through the hole. The defrosting heater radiates in defrosting at the lower part of the evaporation heat exchanger.