baber/WOPTO huggingface dataset:
Patent KR-20000074112-A (KR)
Inventor: LEE DONG IN
IPC: H01L21/60
Filed: 1999-05-18
Abstract: PURPOSE: A method for creating a solder ball for forming a direct bump is provided to reduce weight, thickness, length, volume, and manufacturing cost. CONSTITUTION: A solder foil(2) and a pre-preg(1) is laid up, and molded at 180°C and 30kg pressure for 90 minute in a press for adhering. Using a UV(Ultra Violet) sensitive dry film(3), a hot role is passed on the molded solder foil for laminating. For intercepting UV selectively, a blackout film(4) is attached. The dry film(3) works as an etching resist when UV light irradiates. Using a developer, the molded solder is developed. The solder is stripped selectively using a solder stripper. After removing oxidized solder layer by stripping the dry film(3), a solder ball is created.
Patent KR-20000075295-A (KR)
Inventor: KIM GI HO
IPC: G21C19/44
Filed: 1999-05-31
Abstract: PURPOSE: A remote mixing apparatus of a spent nuclear fuel powder is provided to shorten working time and to improve working efficiency by minimizing a matter transfer between containers. CONSTITUTION: A remote mixing apparatus of a spent nuclear fuel powder comprises a powder container in which a spent nuclear fuel powder and a lubricant are inserted. The powder container is injected in a mixer(2), and a power part(3) rotates the mixer(2). An interconnection part(4) is connected to the mixer(2) and to the power part(3), and transfers a driving power of the power part(3) to the mixer(2). A fixing part(5) fixes the power part(3) to a support part(7). A rotation preventing table(6) is installed at one side of the support part(7) so as to prevent a rotation of the mixer(2). A clamp door(21) is installed at a top of the mixer(2). The interconnection part(4) consists of first and second rotation shafts(41,42) and a bearing housing(43). One side of the first rotation shaft(41) is connected with the mixer(2) by a fixing pin(45). The second rotation shaft(42) is coupled with a motor shaft of the power part(3). The bearing housing(43) supports the first and second rotation shafts(41,42).
Patent KR-20010001136-A (KR)
Inventor: KIM JAE IL
IPC: B07C5/00
Filed: 1999-06-02
Abstract: PURPOSE: An apparatus, is provided for selecting food or matter with irregular shape according to weight with finer selection degree automatically, rapidly and accurately. CONSTITUTION: The apparatus comprises a frame(1) which is provided with a weight sensing load cell(2) in the upper center; a control box(3) positioned in the side for setting the degree range of the load cell(2); two selection shutters(4) positioned in the both sides of the load cell(2); an operation guide species which is connected with the selection shutters(4) by a U-shaped restoring spring(5); a solenoid switch positioned at the lower part of the operation guide species; a plurality of selection shutters(8) positioned along the both selection shutters(4); and a solenoid switch(7a) at the lower part of the selection shutters(8).
Patent KR-20000006037-A (KR)
Inventor: NAGASAWAMEGUMU
IPC: H01L23/373
Filed: 1999-06-09
Abstract: PURPOSE: A low thermal expansion circuit board and multilayer circuit board are provided to have low thermal coefficient and good reliability. CONSTITUTION: The low thermal expansion circuit board comprises: an insulation layer consisted of organic polymer(1) having a wiring conductor for bare chip mounting; copper layers(3,6) formed on at least one side of the wiring conductor and being a Fe-Ni alloy, and the multilayer circuit board comprises: plural low thermal expansion circuit board respectively comprising an insulation layer consisted of organic polymer having a wiring conductor for bare chip mounting; and a copper layer formed on at least one side of the wiring conductor and being a Fe-Ni alloy
Patent KR-20010003170-A (KR)
Inventor: KIM SUK YOON
IPC: F16H1/28
Filed: 1999-06-16
Abstract: PURPOSE: A reduction gear of a planetary gear system is provided to control a reduction ratio by varying numbers of teeth of planetary gears of input and output parts and the numbers of fixed and driving internal gears differently, thereby reinforcing the braking function of the reduction gear. CONSTITUTION: A reduction gear of a planetary gear system, in which a sun gear(A) is mounted in the same direction with an input shaft(I) adjacent to a motor and an engine to be engaged with a planetary gear(B1), the input part planetary gear circulates an orbit of a fixed internal gear(C) as the sun gear rotates, and an output part planetary gear(B2) is integrally formed with the input part planetary gear for circulating teeth of a driving internal gear(D) formed with an output shaft(O) in a rotation center as a revolution orbit as the input planetary gear rotates and revolves around the fixed internal gear, numbers of the teeth of the fixed internal gear and the driving internal gear are different each other and numbers of the teeth of the planetary gears of input and output parts are different from each other.
Patent KR-20000006483-A (KR)
Inventor: YAMAMOTO YOSHIAKI
IPC: H01L21/027
Filed: 1999-06-25
Abstract: PURPOSE: A semiconductor device has an improved surface of a metal layer in an alignment area. CONSTITUTION: In alignment mark forming area, a second inter-insulation layer(104) is formed on a first inter-insulation layer(101), and has a hole. A via hole is formed in a junction of the first interconnection(102). The first interconnection(102) is formed on a barrier metal layer(103), and is formed in the second inter-insulation layer(104). The barrier metal layer(103) is formed on a first inter-insulation layer(101). A surface of the via hole is deposited by the barrier metal layer(106). Then, Ti/Al alloy layer(1009) and aluminum layer(108) are formed on the barrier metal layer(106). The barrier metal layer(106) is not formed on a surface of a hole in alignment mark forming area. Thereby, the semiconductor device has an improved surface of the metal layer in the alignment area.
Patent KR-20010004482-A (KR)
Inventor: LEE YONG GIL
IPC: F02B77/13
Filed: 1999-06-29
Abstract: PURPOSE: An under protector for motor vehicle is provided to allow the maintenance work to be readily performed by arranging a cover to the under protector installed at the bottom surface of engine room. CONSTITUTION: An under protector comprises a main body(100) and a cover(200). The main body has a hole(111) formed at a predetermined portion of the main body, a coupling hole(112) formed at the upside of the hole(111) of the main body, and a coupling portion(113) formed beneath the hole of the main body. The cover has a clip(210) arranged at the upper portion of the cover and which allows the cover to be coupled/separated to/from the coupling hole of the main body, a fixing portion(220) arranged at the lower portion of the cover and which is fixed to the coupling portion of the main body, and a hinge portion(230). The main body of the under protector has a bottom surface(130) and a front surface(120) which are formed integrally with each other, and an installation portion(110) arranged to be slightly protruded inwardly, at an area where the bottom surface and the front surface meet.
Patent KR-20010008687-A (KR)
Inventor: KIM HYEON JUN
IPC: C08F4/602
Filed: 1999-07-02
Abstract: PURPOSE: A process of preparing a styrene-based polymer by fluidizing a styrene-based monomer, a metallocene catalyst and a cocatalyst in a microfluidizer before supplying to a reactor and controlling the particle size of prepared styrene-based polymers to less than 100 micrometer is provided, which can produce a styrene-based polymer having syndiotactic configuration efficiently and continuously, without adhesion of the polymer to the reactor. CONSTITUTION: The styrene-based polymer is prepared by a process consisting of: fluidizing a catalytic mixture comprising a styrene-based monomer, a metallocene catalyst and an inert organic solvent, a cocatalyst mixture comprising a cocatalyst containing the styrene-based monomer and an organometallic compound, and an inert organic solvent in a microfluidizer; and supplying the fluidized mixture to a reactor with the catalyst and cocatalyst. The metallocene catalyst is a group IV metal compound and the cocatalyst is an alkylaluminoxane and/or alkylaluminium compound. A ratio of aluminium of the alkylaluminoxane and a group IV transition metal of the metallocene catalytic component is 10 : 1 to 500 : 1.
Patent KR-20010008920-A (KR)
Inventor: HAN U JONG
IPC: H04L12/66
Filed: 1999-07-06
Abstract: PURPOSE: A device and a method for recognizing output port availability for interconnection network having asynchronous port are provided to reduce a packet transfer delay time by rapidly recognizing availability of an output port for an interconnection network. CONSTITUTION: An output port availability recognizer comprises a pass control module(230) which controls whether a READY signal is passed in the recognizer and is initialized by a RESET# signal. An AND gate(241) passes the READY signal when a PASS signal is '1' and blocks the READY signal when the PASS signal is '0'. The first flip-flop(242) latches and outputs an RDYP signal, and the second flip-flop(243) latches and outputs an RDYL signal. The third flip-flop(244) checks whether the READY signal transitions from 0 to 1. An AND gate(245) checks whether the READY signal transitions from 0 to 1. An availability detection module(250) detects availability of an output port with reference to VALID, RDYDL and LO2HI signals.
Patent KR-20000011607-A (KR)
Inventor: PONSRO KANBAR
IPC: B22D11/128
Filed: 1999-07-09
Abstract: PURPOSE: A method for manufacturing a metallic strip is provided to receive a less vibration caused by a gravity while accelerating and stopping for improving the life spans of every supporting members of a device. CONSTITUTION: A manufacturing method for a metallic strip(4) includes:step for discharging the metallic strip from a casting die(3) being combining arranged in a heating furnace(2) by an extruding apparatus(6) containing an extruding roller(7); step for transferring the metallic strip to a wind up apparatus(16) possibly moving toward a longitudinal direction of the metallic strip by passing through a strip shearing apparatus(10); and step for winding up the metallic strip by using a coil(21) in supported state by the roller.
Patent KR-20010011427-A (KR)
Inventor: SUNG CHUN MO
IPC: F04B39/02
Filed: 1999-07-28
Abstract: PURPOSE: A compressed gas vent structure of a cylinder is provided to prevent a noise caused by the movement of a vent valve and the thermal attachment of a roller caused by the deformation of an upper flange and to minimize the number of components for a compressor. CONSTITUTION: A compressed gas vent structure consists of a rotating shaft(3), a cylinder(6), a vane(15) dividing the cylinder into a suction space and a compressing space and a coil spring(21) inserted into the outside of the cylinder and a slot to give the vane elastic rebound force. With current fed to a fixer, a rotator and the rotating shaft are rotated and a cam(3a) and a roller(5) are eccentrically rotated. Due to the eccentric rotation, a refrigerant in the cylinder is compressed in a high temperature and a high pressure. The compressed refrigerant is vented through the vent hole of the cylinder. The refrigerant first flows to a vent passage(30) by intercepting the refrigerant in a ball valve(32) outside the cylinder, then the noise of the vented refrigerant is attenuated. Then, the noise is absorbed by a resonator and vented outside the cylinder.
Patent KR-20010018239-A (KR)
Inventor: CHO BYEONG YONG
IPC: B21B37/00
Filed: 1999-08-18
Abstract: PURPOSE: A method for controlling rolling of a multistage mill is provided to maintain the optimum roll crown and a balance of load by preventing the change, or distortion of a width directional profile of material, unbalance of width directional thickness or inferiority of shape by transforming crown of roll by applied load. CONSTITUTION: A method for controlling rolling of a multistage mill includes the steps of performing shape-learning during performing an adaptive function including roll cap and roll pressure learning in a normal case of rolling work, setting initial control value on the basis of a result of the shape-learning after managing files of a learning result of a TDRL step, and transmitting the set initial control value to a program logic controller and returning to the first step.
Patent KR-20010018609-A (KR)
Inventor: LEE JEONG YEAN
IPC: F16L39/00
Filed: 1999-08-20
Abstract: PURPOSE: A fixation method is provided to connect pipes to a coupling by penetrating a wedge shape bolt to the inside of the pipes and putting a packing on the outside. CONSTITUTION: A bolt functioning as a connection part of both pipelines(1,1a) is inserted to an end protrusion of an inner circumference in a packing(12). The packing inserted to both ends of a socket(10) sets in an insert groove(11). Vent holes(2,2a) of a connection part are integrally inserted to plural screw holes(13) of the socket. A screw inner circumference of a screw hole(13) is engaged to a screw outer circumference of a bolt(20). Thus, a center protrusion(22) of the lower end of screw outer circumference is penetrated to the vent holes(2,2a). Both pipelines inserted to the socket are simply fixed by plural wedge bolts. Therefore, both the pipelines are firmly connected to the socket. The packing(12) prevents leakage through the space between the inner and outer circumferences and the vent holes. A lower end slant face(22) of a bolt(20) engaged to the screw hole adheres the lower end slant face of the screw hole. Thus, the screw hole is hermetically sealed and the leakage through the penetrated screw hole is prevented.
Patent KR-20010019674-A (KR)
Inventor: EUN JONG MYEONG
IPC: H05K7/20
Filed: 1999-08-30
Abstract: PURPOSE: A radiation apparatus for plasma display panel is provided to maintain stabilized operation and lengthen the lifespan of the apparatus by increasing overall radiation amount. CONSTITUTION: A radiation apparatus comprises a panel unit(1) for displaying image; a first radiation plate(3) attached to a surface of the panel unit, and which receives and radiates the heat generated from the panel unit; and a second radiation plate(6) one surface of which contacts the ambient air and the other surface of which is connected to the first radiation plate. The second radiation plate receives heat from the first radiation plate and radiates the received heat. The apparatus further comprises a plurality of connection members(8) for connecting the first radiation plate and the second radiation plate with a predetermined spacing arranged between both plates.
Patent KR-20010026203-A (KR)
Inventor: YOO CHEOL
IPC: H04N3/20
Filed: 1999-09-03
Abstract: PURPOSE: A spot killer circuit is provided to removes a spot killer generated when a power is cut off or changes to a saving mode. CONSTITUTION: A sensor(100) senses a change of a voltage provided to a cathode ray tube from a video output circuit when a power is cut off or changes to a saving mode. The sensor(100) includes the first switching transistor(Q1). The first switching transistor(Q1) includes a collector connected to a ground and receives a pull-up voltage at a base thereof. A controller(200) provides a delay time for preventing a cut-off voltage of a cathode from falling according to a sensing result of the sensor(100). The controller(200) includes the second switching transistor(Q2). The second switching transistor(Q2) includes a collector connected to a base of the first switching transistor(Q1) and receives an operation voltage at a base thereof and outputs a recovering signal at an emitter thereof.
Patent KR-20010026457-A (KR)
Inventor: LEE SANG HYEEB
IPC: B65D81/24
Filed: 1999-09-07
Abstract: PURPOSE: A food container is provided to keep the food in a container warm and cold while maintaining the taste and freshness of the food for a long time. CONSTITUTION: A container(1) and a lid(2) are formed with a double wall containing space units(5,6) in outer walls(3,4). Auxiliary materials(7) emitting substance good for food preservation and human body are injected to the space units through an inject hole(8) for being sealed by a sealing cap(9). The auxiliary materials such as yellow soil, jade, charcoal, bio-ceramic, germanium, elvan, and magnetic material contain abilities of keeping food warm and cold while emitting far-infrared rays and sterilizing food. Single auxiliary material is injected, or mixture of auxiliary materials is injected.
Patent KR-20010027188-A (KR)
Inventor: PARK NAM JU
IPC: H04L12/70
Filed: 1999-09-10
Abstract: PURPOSE: A method for reducing transmission time of a packet transmission system is provided to divide user data into many packets, and to reduce time for decoding control information of header parts of the packets in a receiving node, so as to decrease packet transmission time. CONSTITUTION: In the first step(ST11), a packet transmission system displays whether destination information of a just prior packet is equal to destination information of a packet, in the first bit of the destination information of the corresponding packet. The system displays whether data length information of the just prior packet is equal to data length information of the corresponding packet, in the first bit of the data length information of the packet. In the second step(ST12), if the destination information of the received packet is equal to the destination information of the just prior packet, the system uses the destination information of the just prior packet as the destination information of the received packet. If both of the destination information are not equal, the system decodes the destination information of the received packet to find out the destination information. In the third step(ST13), if a data length of the received packet is equal to a data length of the just prior packet, the system uses the data length of the just prior packet as the data length of the received packet. If both of the data lengths are not equal, the system decodes the data length information of the received packet to find out the data length information.
Patent KR-20010035748-A (KR)
Inventor: KIM DO SEUNG
IPC: C02F11/12
Filed: 1999-10-02
Abstract: PURPOSE: A sludge dehydrator is provided, to reduce waste products and recycle dried sludge as building materials by effectively dehydrating wet sludge. CONSTITUTION: The sludge dehydrator consists of: i) a driving motor(100) including a gear motor(1) for conveying sludge; ii) a bearing part(200) for supporting a shaft(20) of a screw(7); iii) a screw compressor for compressing the sludge; iv) a filtering part(400) having a filter casing(9) and a filter(10) for separating water from the sludge and retaining the water and being equipped with a pinch valve(11) at the lower part; v) a sludge pressurizing part(500) assembled with a piston(12), a spring(13) or a rod(14) and formed with a sludge outlet(18); and vi) a filter dust separator comprising an air pipe and an air compressor for separating dust from the filter(10).
Patent KR-20010038197-A (KR)
Inventor: KIM BONG SU
IPC: H01L21/76
Filed: 1999-10-22
Abstract: PURPOSE: A gap-fill method in a small space is provided to deposit a gap-fill material regardless of an interval of a trench, by performing a gap-ill through an oxide process after polysilicon is evaporated between gap-fill oxide layers. CONSTITUTION: A nitride layer(2) is deposited on a silicon substrate(1). The substrate on which the nitride layer is deposited is etched by shallow trench isolation(STI) mask to form a trench. After a nitride layer(3) is deposited in the trench, an oxide layer(4) is deposited by using a chemical vapor deposition(CVD) process. Polysilicon(5) is deposited on the oxide layer. An oxide layer(6) is formed on the polysilicon by a CMP process. A gap-fill is performed by an oxide process.
Patent KR-20000006785-A (KR)
Inventor: LEE SUK YOUNG
IPC: G09B23/28
Filed: 1999-11-03
Abstract: PURPOSE: A control circuit is provided to control a flesh model apparatus for investigating a stimulus transfer of a brain spinal nerves system. CONSTITUTION: The circuit for controlling a model apparatus for investigating a stimulus transfer of a brain spinal nerves system comprises: a switch part(17) for directly inputting the palate, the tactile sense and a knee reaction; a remote control sensor circuit part(16) being a remote adjustment device; a control part(11) for directly connecting a D-flip flop(11d) to a micro controller(11a); a memory decoder(13) for selecting a latch part outputting a signal associated with an external stimulus; and three D-flip flops(12a, 14, 15) supplied with a voice signal stored in a memory decoder(13).
Patent KR-20010046705-A (KR)
Inventor: LEE EUNG TAEK
IPC: C02F11/00
Filed: 1999-11-15
Abstract: PURPOSE: A combined treatment method of food waste and sewage sludge is provided, which is characterized in that, as food waste and sewage sledge is treated by together, mechanical problem in process of microorganism reaction process is minimized and organic matter is homogenized, therefore reaction condition is maintained stably. CONSTITUTION: According to this method, food waste is separated into organic matter and foreign matter by pre-treatment system, which consists of a sorting crusher (10), a vinyl collector (20), an automatic sorter (40). Organic matter is inputted into a hydrolysis tank (70) into which sodium hydroxides is added to maintain alkali condition for enhancing hydrolysis, and organic matter hydrolyzed is converted into organic acid in an acid fermentation tank (71), and sewage sludge is put into an anaerobic digestion tank (72) in order to convert organic acid into methane gas and carbon dioxide by methane producing bacteria.
Patent KR-20010047031-A (KR)
Inventor: KIM GWANG SEOP
IPC: H01M10/0585
Filed: 1999-11-17
Abstract: PURPOSE: A lithium ion polymer battery and a method for preparing the same are provided which secure reliability and stability of the battery by sealing a sealing part of a case. CONSTITUTION: The lithium ion polymer battery comprises: (i) an electrode assembly(130) which is prepared by laminating many positive plates(131), separators(133) and negative plates(12) in sequence; (ii) a lower part case(120) which has an one-side open lead-in part(121) to receive the electrode assembly and a first sealing part(111) to seal the lead-in part; (iii) an upper part case(110) which has a second sealing part(122) bonded to the first sealing part to seal the lead-in part; and (iv) a solid adhesive which is adhered to an adhering part the outside of the first and the second sealing part. The method comprises steps of: (i) preparing the electrode assembly by laminating many positive plates, separators and negative plates in sequence; (ii) dropping the electrode assembly in a lead-in part on one side of the lower part case and receiving the electrode assembly; (iii) coating at least one of a first sealing part formed on the border of the lead-in part and a second sealing part formed on the border of the upper part case with high temperature liquid adhesive; and (iv) facing the first sealing part and the second sealing part with each other to seal them.