baber/WOPTO huggingface dataset:
Patent KR-20030073375-A (KR)
Title: Manufacturing method and device of stacking IC package
Inventor: CHOI YOUNG INN
IPC: H01L23/12
Filed: 2002-03-11
Abstract: PURPOSE: A method and apparatus for manufacturing a stacked semiconductor chip package are provided to be capable of preventing the semiconductor chip package attached on a lead frame from being damaged by stacking a unit semiconductor chip package on the lead frame after previously forming the lead frame. CONSTITUTION: After capsizing the first lead frame(30) for facing the first portion of a land(20) upward, the first mask(31) is located on the first portion of the land. After carrying out the first solder printing process, the mask is removed. Then, the first unit semiconductor chip(34) is reversely mounted on the resultant structure. At this time, the first lead(35) of the first unit semiconductor chip is connected to the first portion of the land by carrying out the first heat treatment in an oven. Then, an air cooling process is carried out at the resultant structure. After locating the second mask on the second portion of the land, the second solder printing process is carried out. Then, the second unit semiconductor chip(36) is forwardly mounted on the resultant structure. At this time, the second lead(37) of the second unit semiconductor chip is connected to the second portion of the land by carrying out the second heat treatment.
Patent KR-20030075395-A (KR)
Title: Cavity assembly in microwave oven
Inventor: KIM UK JIN
IPC: F24C15/08
Filed: 2002-03-18
Abstract: PURPOSE: A cavity assembly is provided to increase the flatness of the floor in a cooking chamber and to exactly form the shape of the cavity assembly. CONSTITUTION: A cavity assembly(30) comprises a lower plate(35), a front plate(40), a rear plate and an upper plate. A cooking chamber(32) and a component mounted chamber are formed in the cavity assembly by the plates. The lower plate forms the lower face and both side faces of the cavity assembly. A tray loading portion(36) is formed in the center floor of the lower plate. Many reinforcing uneven parts(38) are formed in the floor of the cooking chamber. The reinforcing uneven parts are recessed into the floor of the lower plate. Thereby, the shape of the cavity assembly is formed exactly and the flatness of the floor in the cooking chamber is maintained exactly.
Patent KR-20030077739-A (KR)
Title: Luminescent Guide Indicator
Inventor: LIM JUN GYU
IPC: G09F19/22
Filed: 2002-03-26
Abstract: PURPOSE: A guideboard is provided to recognize easily figures and characters on a guideboard in the night by coating a luminescent pigment on the figures and the characters on the guideboard such as a street sign or a traffic sign. CONSTITUTION: A guideboard includes a plurality of printed figures(120) and a plurality of characters(140). A luminescent pigment is used for recognizing the figures(120) and the characters(140) of the guideboard(100) in the night. The luminescent pigment is coated on the figures(120) and the characters(140) of the guideboard(100). A transparent coating layer is formed on the figures(120) and the characters(140) of the guideboard(100) on which luminescent pigment is coated.
Patent KR-20030077869-A (KR)
Title: method of real-time PES decoding for audio/video lip sync
Inventor: LEE MYEONG HUN
IPC: H04N21/8547
Filed: 2002-03-27
Abstract: PURPOSE: A method for decoding PES in real time for audio/video lip-sync is provided to efficiently match lip-sync by reducing the difference between PTS(Presentation Time Stamp) values due to a time difference between audio decoding and PES decoding. CONSTITUTION: PES data stored in a PES(Packetized Elementary Streams) buffer(100) are read. A PES header combined to the read PES data is searched to detect the length of a PES packet. The detected length of the PES packet is stored in a PES length register(200) to be set up as a register value. ES(Elementary Streams) data of the PES data stored in the PES buffer are read through the set register value. The length of the read ES data is compared with the set register value. If the length of the read ES data is equal to the set register value, the read ES data are decoded through an audio decoder(500). If the length of the read ES data is not equal to the set register value, it is judged whether another PES data exist in the PES buffer. If so, the corresponding PES data is decoded by using a PES decoder(300).
Patent KR-20030081702-A (KR)
Title: Apparatus to use air pressure testing for a tube
Inventor: KIM SEONG YEOL
IPC: G01M3/28
Filed: 2002-04-12
Abstract: PURPOSE: A tube pressure testing apparatus is provided to precisely perform a leakage test and an endurance test for a tube by using pneumatic pressure instead of hydraulic pressure. CONSTITUTION: A tube pressure testing apparatus includes a test air feeding section(100) and a pump(120) for compressing air fed from the test air feeding section(100). The pump is run by a pneumatic motor. A cooler(130) is provided to cool down the air compressed by the pump(120). A reservoir(140) is installed next to the cooler in order to temporarily store test air. A shutter(150) is provided next to the reservoir(140). A pressure control section(160) is provided to control pressure according to the amount of test air to be fed. A pressure detecting section(170) and a temperature detecting section(180) are installed next to the pressure control section(160). A test section(200) is provided to mount a tube on.
Patent KR-20030082097-A (KR)
Title: Rapid coagulation/flocculant for Water treatment and it's Manufacturing method of Using Anhydrite Gypsum
Inventor: OH SU HYEON
IPC: C02F1/52
Filed: 2002-04-16
Abstract: PURPOSE: Provided are an inorganic coagulant/flocculant with high precipitation efficiency for rapid coagulation/flocculation and a preparation method thereof using anhydrite gypsum. CONSTITUTION: The method comprises the steps of adding coagulation aids to calcined or natural anhydrite gypsum, crushing the coagulation aids and the anhydrite gypsum, and separating fine and uniform size of particles.
Patent KR-20030086007-A (KR)
Title: System for transferring night soil of domestic an imals
Inventor: YOON KWANG HO
IPC: A01K1/01
Filed: 2002-05-03
Abstract: PURPOSE: A livestock farming excrement conveying system is provided to prevent a pump from being damaged by metallic substances. CONSTITUTION: An excrement bed plate(23) is arranged at a lower part of a breeding stand(21) installed to have a predetermined height from the ground. A scraper(25) is installed to the excrement bed plate(23) for scraping excrement fell on the excrement bed plate(23) and pushing away the same to an excrement collecting tank(27). The excrement of the excrement collecting tank(27) is pumped to a septic tank(31) by a pump(29). A magnetic separator(43) and a crusher(45) are arranged to a conveying hose(41) connecting the excrement collecting tank(27) and the pump(29).
Patent KR-20030086151-A (KR)
Title: rechargeable Li/S cell improved of the cycle life at normal temperature
Inventor: AHN HYO JUN
IPC: H01M4/60
Filed: 2002-05-03
Abstract: PURPOSE: Provided is a lithium sulfur secondary battery having improved lifetime at ordinary temperature, which contains poly(ethyleneglycol)dimethyl ether(PEGDME) as an electrolyte and a mesh- or foam-type metal as a current collector of a sulfur cathode. CONSTITUTION: The lithium sulfur secondary battery contains the PEGDME as the electrolyte and the mesh- or foam-type metal as the current collector of the sulfur cathode. The PEGDME has an average molecular weight of 500-750 and contains 0.1-1M of trifluoro methane sulfonate imide. And the metal used as the current collector of the cathode is nickel or aluminum.
Patent KR-20030086642-A (KR)
Title: Barrery Pack of Mobile Terminal for plugging IC Chip
Inventor: KIM HYE SUN
IPC: H04B1/38
Filed: 2002-05-06
Abstract: PURPOSE: A battery pack in which an IC chip can be installed is provided to enable an IC chip to be inserted into or ejected from a CDMA mobile terminal without the necessity of modifying the inside of the mobile terminal. CONSTITUTION: A battery pack(100) in which an IC chip can be installed consists of a lower case(110), a battery cell(120), a PCB(Printed Circuit Board)(130), a connector(140), an upper case(150), a palette(160), an IC chip(170), an other material prevention part(180), and insulators(191-193). The lower case(110) is composed of a lower side part(111) and a lateral side part(112). which form a mounting groove(113) as the internal space. The battery cell(120), of which the external surface is insulated by insulators(191,192), is mounted in the inside of the mounting groove(113). The PCB(130), fixed to the lateral side part(112), is installed parallel with the upper surface of the battery cell(120). The connector(140) electrically connects between the PCB(130) and the IC chip(170) mounted at the palette(160). The upper case(150) is composed of an upper side part(151), a lateral side part(152), and an aperture part. On the palette(160), a mounting groove(161) is formed so that the IC chip(170) can be installed. The other material prevention part(180), composed so as to form a small groove at the top of the lateral side part(112), forms the entrance of the aperture part.
Patent KR-20030088816-A (KR)
Inventor: HWANG GYU HAN
IPC: H04B1/18
Filed: 2002-05-15
Abstract: PURPOSE: A mobile communication system is provided to manufacture GPS antennas receiving position information from a satellite and components of a GPS as one module by using an LTCC(Low-Temperature Co-fired Ceramic), thereby reducing cost as implementing miniaturization. CONSTITUTION: The first body(50) forms GPS antennas(41a) receiving position information from a satellite as patterns. The second body(60) forms the first and the second filters and a feeding circuit as patterns. The first and the second filters filter the position information received to the GPS antennas(41a). The feeding circuit improves stability of the position information. A ground(70) is further comprised to electrically separate the first body(50) from the second body(60).
Patent KR-20030090144-A (KR)
Title: N-speed hdtv high speed camera with polyhedral prism and multiplex ccd
Inventor: KOO HYEONG SEO
IPC: H04N5/225
Filed: 2002-05-21
Abstract: PURPOSE: An N-speed HDTV(High Definition Television) camera with a polygonal prism and a multiple CCD is provided to simply realize a random access time by installing a plurality of prisms and a plurality of CCDs in parallel and time-separately driving the prisms and the CCDs. CONSTITUTION: A polygonal prism(110) includes a plurality of prisms spectrally dividing an incident light in set directions, and assorts the spectrally divided lights as red, green, and blue lights. A multiple CCD(120) includes a plurality of CCD(Charge Coupled Device)s converting the spectrally divided and assorted red, green, and blue lights into electric signals respectively. The plurality of CCDs correspond to the plurality of prisms respectively.
Patent KR-20030092351-A (KR)
Title: 5.1 channel audio output apparatus
Inventor: JUNG SEONG HO
IPC: H04S3/00
Filed: 2002-05-29
Abstract: PURPOSE: A 5.1 channel sound output apparatus is provided to make 5.1 channel sound effect by making solid impression to a pure 2 channel audio or VCR play audio. CONSTITUTION: A low pass filter(10) separates a low-pitched sound from a 2 channel audio signal. The first signal mixer(SUM1) mixes left and right channel signal separated through the above low pass filter, and outputs a low-pitched sound for a woofer speaker. A high pass filter(20) outputs a high-pitched sound for left and right rear speaker by separating a high-pitched sound region from the above 2 channel audio signal. A negative feedback circuit part(30,40) outputs a middle-pitched sound for left and right front speaker by separating a middle-pitched sound region, by removing a low band signal and a high band signal from the 2 channel audio signal. And the second and the third signal mixer(SUM2,SUM3) outputs one of a signal mixing the high band signal to be output to the rear speaker or a signal mixing the middle band signal to be output to the front speaker.
Patent KR-20020094911-A (KR)
Title: Surface acoustic wave filter
Inventor: TAKAMINE YUICHI
IPC: H01L41/18
Filed: 2002-06-12
Abstract: PURPOSE: A surface acoustic wave filter is provided which enables to obtain a communication apparatus having a band pass filter provided with a balanced-to-unbalanced conversion function in which the uniformity of the insertion loss in the pass band is high, and the variation in the filtering characteristics due to temperature changes is small, and thus having high transmission or reception characteristics. CONSTITUTION: A surface acoustic wave filter(1) comprises a piezoelectric substrate(2), and a surface acoustic wave filter portion(101) disposed on the piezoelectric substrate and having at least one interdigital transducers(105-101) disposed in a direction in which a surface acoustic wave propagates, and at least one surface acoustic wave resonator(104) electrically connected in parallel with the surface acoustic wave filter portion such that it is disposed between an input terminal(121) or an output terminal(122) and the surface acoustic wave filter portion. A resonance or sub-resonance point of the surface acoustic wave resonator is disposed in a pass band of the surface acoustic wave filter portion.
Patent KR-20030097046-A (KR)
Inventor: JONG PIL HO
IPC: C09D5/08
Filed: 2002-06-18
Abstract: PURPOSE: Provided is a functional paint composition excellent in waterproof property, durability, antimicrobial property, and adiabatic effect, which is used for roofs and inner/outer walls of buildings, housetop slabs, various industrial tanks and pipes, ships, and land structures. CONSTITUTION: The functional paint composition is produced by mixing 45-50wt% of an acryl-based emulsion copolymer resin having a glass transition temperature of -5 to -10deg.C, 8-10wt% of ultra-lightweight fine hollow bodies having an independent foam layer, 1-1.5wt% of an organic iodide-based antimicrobial agent, 1.5-2wt% of a benzotriazole-based UV screening agent, 12-15wt% of titanium dioxide as an extender, and 20-25wt% of calcium bicarbonate as a filler.
Patent KR-20040000584-A (KR)
Title: Structure for reducing suctionloss of enclosed compressor
Inventor: AHN BYEONG HA
IPC: F04B39/00
Filed: 2002-06-21
Abstract: PURPOSE: A structure for reducing suction loss of a hermetic compressor is provided to eliminate or minimize time in which an inlet is covered by a partition. CONSTITUTION: A hermetic compressor includes a cylinder assembly having an inner space(V) so that an inlet(11) and an outlet are connected with each other; a partition dividing the inner space into a plurality of hermetic spaces having a pair of the inlet and the outlet of the cylinder assembly, and rotated relatively to the cylinder assembly to move fluid in each of the hermetic spaces; and vanes slid into the cylinder assembly in axial direction to linearly move relatively to the partition to cut off movement of fluid in each of the hermetic spaces. A gas guiding groove(12) is formed near the inlet to be connected with the inlet so as to guide fluid passing the inlet to be smoothly introduced into the hermetic spaces of the cylinder assembly even when a part of the inlet is covered by the partition.
Patent KR-20040000814-A (KR)
Title: Buffer For Electronic Elements Feeding Apparatus
Inventor: LEE SANG WON
IPC: H05K13/02
Filed: 2002-06-25
Abstract: PURPOSE: A buffer for an electronic component supply system is provided to reduce the working time by transferring stably a pallet including electronic components. CONSTITUTION: An electronic component supply system includes an elevator, a buffer, a transfer, an automatic nozzle exchange apparatus, and a pocket portion. The buffer(200) for an electronic component supply system includes a buffer case(220), a locking device(250), a first and a second fastening devices(260,261), and a first and a second stage cylinders(230,240). A pallet is loaded on the buffer case(220). The locking device(250) is installed at a front portion of the buffer case(220). The locking device(250) is formed with the first and the second locking shafts connected to the first and the second cylinders. The first and the second fastening devices(260,261) are installed at a rear portion of the buffer case(220). The first and the second stage cylinders(230,240) are used for elevating the buffer case(220) as much as the first stage and the second stage, respectively.
Patent KR-20040002063-A (KR)
Title: A Cyber Mobile Phone System
Inventor: BAE JIN SAN
IPC: H04L12/66
Filed: 2002-06-29
Abstract: PURPOSE: A cyber portable phone system is provided to discriminate a user by adding an avatar set by the user to a character message and transmitting the character message to an object through a cyber telephone number. CONSTITUTION: A network interface unit(110) transmits and receives data with a client computer and an MSC(Mobile Switching Center) through a network. A member management unit(120) receives client information including a real portable phone number of a client from the client computer, and provides a member code including a cyber telephone number of a member. The member management unit(120) provides a cyber portable phone program capable of transmitting and receiving data with a server system(100), and performs member authentication through a member code transmitted by a cyber portable phone program of the client computer. A database unit(180) stores the cyber portable phone program provided to the client computer and member information including the cyber telephone number and the real portable phone number of the client. A message transmitting unit(130) transmits a character message inputted by the client through the portable phone program of the client computer to a real portable phone of a recipient corresponding to the cyber telephone number inputted by the client. A central control unit(170) reads a real portable phone number corresponding to the cyber telephone number of the recipient from the database unit(180), and transmits the real portable phone number to the message transmitting unit(130).
Patent KR-20040002215-A (KR)
Title: Method for manufacturing a transistor
Inventor: PARK JONG BEOM
IPC: H01L21/336
Filed: 2002-06-29
Abstract: PURPOSE: A method for fabricating a transistor is provided to prevent a short channel phenomenon and punch-through by growing an epitaxial layer on a semiconductor substrate in a portion for a source/drain region and by forming the source/drain region in the epitaxial layer. CONSTITUTION: A gate electrode including a hard mask layer(39) in its upper portion is formed on the semiconductor substrate(31) by interposing a gate insulation layer. The first insulation layer spacer is formed on the sidewall of the gate electrode. The epitaxial layer is formed on the exposed substrate. Low density impurity ions of the second conductivity type are implanted into the epitaxial layer by using the gate electrode as a mask. The second insulation layer spacer is formed on the sidewall of the gate electrode including the first insulation layer spacer. High density impurity ions of the second conductivity type are implanted by using the gate electrode and the first and second insulation layer spacers as a mask. The high density impurity ions are diffused to form the source/drain region(47) of a lightly-doped-drain(LDD) structure in the epitaxial layer at both sides of the gate electrode and in the semiconductor substrate.
Patent KR-20040003918-A (KR)
Title: Control method of multi compartment type kimchi refrigerator
Inventor: CHO SEONG HO
IPC: A23L19/20
Filed: 2002-07-04
Abstract: PURPOSE: A method for controlling a multi-chambered kimchi refrigerator to efficiently cool each storing chamber by successively opening valves for controlling the supply of a refrigerant to each evaporator based on the opening time of preset valves is provided. Therefore, it improves cooling efficiency and stabilizes a whole cooling cycle. CONSTITUTION: A method for controlling a multi-chambered kimchi refrigerator comprises: determining if the supply of a refrigerant to a plurality of evaporators is required based on the temperature of each storage chamber; determining the operation order of valves if the supply of a refrigerant to a plurality of evaporators is required; calculating the opening time of the valves according to the determined operation order; and opening the valves based on the calculated opening time.
Patent KR-20040004836-A (KR)
Title: Method for fabricating gate dielectrics with lowered device leakage current
Inventor: CHO HYEON DEOK
IPC: H01L29/51
Filed: 2002-07-05
Abstract: PURPOSE: A method for forming a gate isolating layer is provided to be capable of reducing leakage current by using oxygen radical. CONSTITUTION: A gate isolating layer(20b) is formed at the upper portion of a substrate(10). A plasma nitridation is carried out at the gate isolating layer. An annealing process is then carried out at the gate isolating layer by using oxygen radical. Preferably, the oxygen radical is generated from N2O, O3, NO2, or mixed gas. Preferably, the annealing process is carried out at the pressure of 50 Torr, or less. Preferably, the oxygen radical is generated by carrying out a thermal dissociation at the N2O, O3, NO2, or mixed gas. Preferably, the oxygen radical is generated by an ISSG(In-Situ Steam Generation).
Patent KR-20040005312-A (KR)
Title: Epoxy resin compound and coating containing the resin
Inventor: KANG HYEON HO
IPC: C09D163/00
Filed: 2002-07-09
Abstract: PURPOSE: A weak solvent-soluble epoxy resin composition, its preparation method and a paint containing the composition are provided, to obtain the corrosion resistance and the chemical resistance equal to those of the epoxy paint using a strong solvent. CONSTITUTION: The method comprises the steps of reacting an alkyl phenol having an alkyl group of C8 or more and an aldehyde in the presence of an acidic catalyst to prepare a novolac resin; reacting the novolac resin with an epoxy resin having at least one epoxy resin on the average in one molecule, wherein the ratio of the OH groups of the novolac resin to the epoxy group is 0.4-0.6 to 1 by equivalence; and reacting the obtained product with 1/6 to 1/12 equivalence of an aliphatic acid per the epoxy group by addition reaction. Preferably the alkyl phenol is at least one selected from p-octylphenol, nonylphenol, p-dodecylphenol and cardanol; the aldehyde is formaldehyde, p-formaldehyde or acetaldehyde; and the epoxy resin is bisphenol A, bisphenol F, water-addition bisphenol A and bifunctional polyglycidyl ether.
Patent KR-20040006861-A (KR)
Title: An automatic opening reflector in military vehicle
Inventor: KIM SEONG JIN
IPC: B60Q1/30
Filed: 2002-07-16
Abstract: PURPOSE: An automatically opened and shut reflecting plate of a military vehicle is provided to unfold the reflecting plate attached to the rear of the vehicle at normal times, to fold the plate at a state of emergency as a wartime, and accordingly to prevent the vehicle from being exposed in the emergent state. CONSTITUTION: An automatically opened and shut reflecting plate attached to the rear of a military vehicle to reflect light transmitted from a rear vehicle to the front and inform the position of a front vehicle is composed of a movable reflecting plate(10b) hinge-connected with a fixed reflecting plate(10a) fixed to a vehicle body and folded by the rotation of a motor(M) connected to a hinge shaft(20). The motor rotates forward and reverse by a control signal of a control unit(50) output by operating an operation switch(30) by a driver. In addition, the automatically opened and shut reflecting plate includes a first limit switch(40a) attached to the side of the fixed reflecting plate to apply an electric current when the movable reflecting plate is folded and a second limit switch(40b) attached to the vehicle body to apply the electric current when the movable reflecting plate is unfolded. The first and second limit switches are connected with the control unit.