baber/WOPTO huggingface dataset:
Patent KR-20010017726-A (KR)
Inventor: KIM CHANG YEON
IPC: H04B7/26
Filed: 1999-08-13
Abstract: PURPOSE: An apparatus for simultaneously servicing different kinds of mobile communication systems is provided to commonly use an interim standard(IS)-95A base station and an IS-95C base station so as to reduce an installing cost according to an antenna/feeder/facility sharing, and to be equally used with a coverage of the IS-95A base station and the IS-95C base station so as to decrease a cost for network design optimizing. CONSTITUTION: An interim standard-95A(IS-95A) communication processor(100) and an IS-95C communication processor(200) generate different kinds of IS-95A and IS-95C forward communication signals, respectively, or process the IS-95A and the IS-95C forward communication signals according to types. The IS-95A and the IS-95C forward communication signals are synthesized by an IS-95A/C synthesizer(500), and the IS-95A and the IS-95C forward communication signals are amplified by a linear power amplifier to be transmitted through an antenna. IS-95A and IS-95C reverse communication signals received through a receiving antenna are distributed by an IS-95A/C distributor(600) to be supplied to the IS-95A communication processor(100) and the IS-95C communication processor(200), and are processed, respectively.
Patent KR-20010018241-A (KR)
Inventor: PARK TAE YUN
IPC: C21C5/28
Filed: 1999-08-18
Abstract: PURPOSE: A converter refining method for stably controlling phosphorous of high temperature tapped steel types is provided to reduce basic unit of sub-raw materials by effectively using sub-raw materials, and remarkably reduce defect ratio of phosphorous by stabilizing a constituent of phosphorous at a high temperature as well. CONSTITUTION: A converter refining method for stably controlling phosphorous of high temperature tapped steel types comprises the steps of injecting dolomite of 15 to 19 kg, and then 15 to 18 kg of calcium oxide per ton of a total charging amount of scrap iron and molten pig iron into 35 to 45 wt.% of total slag of previous operation, injecting 3 to 5 kg of sintered ore and 23 kg or less of calcium oxide by summing with the calcium oxide injected before starting an oxygen blowing per ton of a total charging amount right after the oxygen blowing, injecting 1.5 to 2.0 kg of calcium oxide per ton of the total charging amount at a time of 30 to 70% of oxygen blowing and sintered ore in the amount range in which heat mixing is allowed at a time of 40 to 65% of oxygen blowing, and injecting 2 to 3 kg of one or two of calcium oxide and dolomite per ton of the total charging amount at a time of 80 to 85% of oxygen blowing.
Patent KR-20000017399-A (KR)
Inventor: VOLDMAN STEVEN H
IPC: H01L29/739
Filed: 1999-08-19
Abstract: PURPOSE: A method for manufacturing a semiconductor diode is provided to improve the EDS protection for a MOSFET circuit and a SOI chip by supplying a withstand high voltage diode having a multiple decision silicon gate structure. CONSTITUTION: The method for manufacturing a semiconductor diode comprises: forming trenches(126) on a surface of a semiconductor substrate(120); forming a gate dielectric layer on the semiconductor substrate; forming a gate on the gate dielectric layer located between the trench couple; inserting a dopant of the first type on the surface located between one of a first portion of the gate and the trench couple and the first portion; and inserting a dopant of the second type on the surface located between one of a second portion of the gate and the trench couple and the second portion.
Patent KR-20010018551-A (KR)
Inventor: JUNG U CHEOL
IPC: G01P15/09
Filed: 1999-08-20
Abstract: PURPOSE: A manufacturing method of a compression type acceleration sensor is provided to inhibit length change depending on temperatures by minimizing the length of clamping bolts for supplying pre-torque and to enhance the high-temperature characteristics of an acceleration sensor by changing the temperature of pre-torque to 50deg.C. CONSTITUTION: A mixture of an insulating epoxy and an insulating ceramic is coated between a base(5) and a unit base(3) and hardened by heat to form an insulating layer(6). A piezoelectric device(1) and an inertia mass(2) are arranged on the unit base(3) to apply torque to a clamping bolt(4) at temperatures of 45-55deg.C. Impedance connected with an electrode of the piezoelectric device is bonded to the inertia mass by a high-temperature bonding agent. An inner signal wire(8) is coupled to a connector(10) having an external signal wire(9). Finally, an acceleration sensor housing(11) is covered to seal the acceleration sensor. Therefore, the compression acceleration sensor has stable characteristics at high temperatures by reducing thermal expansion because the clamping bolt is reduced in length by pre-torque applied to the piezoelectric device, the inertia mass and the unit base.
Patent KR-20000022880-A (KR)
Inventor: COLIN NATALI
IPC: A61Q5/00
Filed: 1999-09-02
Abstract: PURPOSE: A composition containing a volatile oil, membrane-forming polymer and a polyolefin wax is provided, which is stable and uniform completely even after some hours. This film-forming polymer composition showing excellent maintaining power is resistant to water, rubbing, sweat and sebum; and has superior non-transfer property. CONSTITUTION: The composition comprises: A liquid fatty phase containing more than one of volatile hydrocarbon oil; A film-forming polymer of formula 1 which is contained 0.5wt.%-20wt.%, desirably 1wt.%-15wt.% to total weight of the composition; More than one of polyolefin wax created from polymerization of alpha-olefin which has more than 10 of carbons, and melting point of the wax is 50-80°C.
Patent KR-20000028653-A (KR)
Inventor: VALENTINE ARNE W
IPC: H01L23/58
Filed: 1999-09-11
Abstract: PURPOSE: A semiconductor device forming method is provided to elevate common current gain(beta) of an emitter of a bipolar transistor formed on a substrate by forming a material layer having electrical insulating property between a substrate of a single crystalline semiconductor and a layer of a poly crystalline semiconductor. CONSTITUTION: A semiconductor device is formed by treating the surface of a substrate(3) to make a material grow discontinuously on the substrate by performing a rapid thermal oxidation at 500°C of temperature for 5 seconds. Thereafter, an oxide layer having 6 of thickness is formed and the layer is composed of a 4 angstroms thickness of native oxide and 2 angstroms thickness of oxide. The structure has about 100 of beta value. Then all oxides are removed from the surface of the single crystalline silicon substrate to remain only the native oxide shaped by exposing the silicon to atmosphere on the silicon. And the oxide grows on the surface of the single crystalline silicon by using the rapid thermal oxidation.
Patent KR-20000023545-A (KR)
Inventor: KAWAHARA TAKESHI
IPC: H02M7/10
Filed: 1999-09-30
Abstract: PURPOSE: A high voltage power supply circuit having diode bridges directly connected to a secondary wire of a transformer is provided to supply power to a traveling-wave tube using a high voltage under a lower load current. CONSTITUTION: A high voltage power supply circuit having diode bridges directly connected to a secondary wire of a transformer comprises a transformer(1), a multitude of diode bridges(11,12,13,14), and a multitude of capacitors(C11-C16,C21-C24). The transformer comprises a first wire and a second wire. The diode bridges is connected to the secondary wire of the transformer through capacitors to perform full-wave rectification of AC voltage. The capacitors are provided on the diode bridges to accumulate a charge. An output end of the nearest diode bridge from the secondary wire is connected a ground dislocation. A load is connected between the ground dislocation and an output end of the most distant diode bridge from the secondary wire.
Patent KR-20000052339-A (KR)
Title: Semiconductor device and method of producing the same
Inventor: YURINODAKAHIRO
IPC: H01L23/495
Filed: 1999-10-08
Abstract: PURPOSE: A semiconductor device and a method of producing the same are provided which improves the bonding property between a die pad and a resin package as maintaining the thin film feature. CONSTITUTION: A semiconductor device includes a semiconductor chip(22), a die pad(23A) onto which the semiconductor chip is mounted via a die bonding material(24), and a resin package(27) which seals at least the semiconductor chip and the die pad. The die pad is provided with bonding reinforcing members(30A) each including a penetrating portion(31A) and a step portion(32A). The step portion is formed with the range of the thickness of the die pad. With the semiconductor chip being mounted on the die pad, spaces(40) are formed between the semiconductor chip and the step portion, and part of the resin package is interposed in the spaces.
Patent KR-20010036408-A (KR)
Inventor: JUNG YUN HYEONG
IPC: H04N7/015
Filed: 1999-10-08
Abstract: PURPOSE: An apparatus for converting a SMPTE302M audio format into a PCM audio format is provided to listen an audio signal for SMPTE302M broadcasting. CONSTITUTION: A control part(100) controls to detect SMPTE302M(Society of Motion Picture and Television Engineers302M) format audio signal for broadcasting into a PCM(Pulse Code Modulation) format audio signal. A PES(Packetized Elementary Stream) header detecting part(110) of the control part(100) detects a header of a signal for broadcasting transmitted by packet unit. A SMPTE302M header detecting part(120) detects a header of the SMPTE302M format audio signal for broadcasting. A format converting part(130) distributes SMPTE linear PCM audio payload according to the number of channels detected in the SMPTE302M header detecting part(120) and the number of bits per sample for converting into PCM format. A PCM data output part(140) outputs PCM format-converted audio data by channel and sample. A FIFO part(200) stores PCM format-converted audio signal by channel.
Patent KR-20000034982-A (KR)
Inventor: MATSUZAKI RYUZO
IPC: C03C17/00
Filed: 1999-10-11
Abstract: PURPOSE: A sintered metal oxidant and transparent conductive film made therefrom which has excellent heat-resistance and moisture-resistance, and reduced variation degree in resistance ratio is provided due to its flat and good etching property. CONSTITUTION: A sintered metal oxidant is comprised of In, Sn, Mn and O, wherein Mg content in atom weight is, based upon the sum of atomic weights of In, Sn, and Mg, 2.0-20.0%. The sintered metal oxidant is suitably used for a deposition material and a sputtering target. The sintered metal oxidant can be advantageously applied for transparent conductive film, and thin regions such as flat panel display device and touch panel made therefrom. When using the sintered metal oxidant, ITO(Indium Tin Oxide) thin film which is generally used for transparent electrode of flat panel display becomes to have flat form, instead of having domain form, and have good etching property.
Patent KR-20010037027-A (KR)
Inventor: KIM KAB JIN
IPC: E03C1/122
Filed: 1999-10-13
Abstract: PURPOSE: A foreign substance removing method of an architectural drain pipe fitting and device thereof are provided to remove foreign substances simply, to manufacture easily with a simple structure and to prevent a discharge port from being clogged due to soil or various impurities. CONSTITUTION: A foreign substance removing device comprises the steps of fitting a fixing plate(3) provided with a groove for a water sealing trap(2) to the upper part of a coupler main body(1), fixing a vertical mover(5) fitted with a water sealing trap(4) to the groove, fitting a fixture(9), inserting a fixed pipe(7) offered with exhaust holes(6) to the lower end and fixing a drain pipe(8) to the top inner part of the fixed pipe, at the center of the mover(5), installing a water sealing cap for drainage to a fitting coupling an upper drain pipe and a lower drain pipe and installing a mover operated vertically on the central part, so that foreign substances are simply removed by operating the mover in the state of installing the upper and lower drain pipes.
Patent KR-20010037946-A (KR)
Inventor: SHIN DONG CHOL
IPC: G06K19/073
Filed: 1999-10-21
Abstract: PURPOSE: A credit card user authentication system is provided to authenticate the credit card user by using an authentication function embedded in the credit card itself without using an external device before using the credit card so that it can prevent basically an illegal use of the credit card. CONSTITUTION: The system comprises a verification setting module(220), a verification display(230), a verification storage(240), and a verification controller(210). The verification setting module(220) allows a user to input a PIN(Personal Identification Number) or a phone approval assurance number necessary for a phone approval of a credit card. The verification display(230) echoes and displays the PIN or the phone approval assurance number input via the verification setting module(220). The verification storage(240) stores random numbers corresponding to the PIN or the preset numbers to be transmitted from a card company. The verification controller(210) stores the PIN, input via the verification setting module(220), at the verification storage(240), echoes the phone approval assurance number on the verification display(230), and determines if the input PIN is identical to the PIN stored in an IC chip of the credit card.
Patent KR-20010045430-A (KR)
Inventor: KANG SEOK U
IPC: H04L12/58
Filed: 1999-11-05
Abstract: PURPOSE: A method for confirming reception when transmitting e-mail using internet is provided to inform to a transmitter using an e-mail, a slip of Internet, or a beeper when a receptor reads the mail sent by the transmitter. CONSTITUTION: The transmitter sets up the method of confirming the reception as one among e-mail, a slip of Internet and a beeper. If the confirming method of reception through the beeper is used, the call number of the transmitter is inputted. Thereafter, when the transmitted e-mail is read by a receptor(S5), information on the confirmation of reception is informed to the transmitter according to the preset method. If the confirmation method using e-mail is set(S8), the confirmation information is transmitted as an e-mail type to the transmitter's e-mail address(S9).
Patent KR-20010045759-A (KR)
Inventor: AHN JI HUN
IPC: C04B35/106
Filed: 1999-11-08
Abstract: PURPOSE: A manufacturing method of alumina sagger is provided to save manufacturing costs and improve mechanical properties by coating with ZrO2 after giving surface roughness to the surface of sagger. CONSTITUTION: The method comprises the steps of: manufacturing alumina sagger by mixing 70-95wt.% of alumina, 4-29wt.% of silicon oxide, and other oxides, as Fe2O3, CaO, MgO, TiO2, Na2O and K2O, with a binder(polyvinyl alcohol); forming and expressing roughness(embossing) on the surface of formed body to have less than 50micrometer of surface roughness in sintered sagger; sintering at 1380deg.C; coating with ZrO2 to be 30-1000micrometer of thickness by plasma spray or thermal spray, where the sagger is coated in a direction of slant of less than 70deg.C after being fixed in a rotation of 40-50deg.C, in case that the angle of sill in sagger is more than 80deg.C.
Patent KR-20010046147-A (KR)
Inventor: SHIN GI BEOM
IPC: B28B5/00
Filed: 1999-11-10
Abstract: PURPOSE: A method for preparing a curved boundary block is provided, to obtain the curved boundary block with the desired round and shape easily. CONSTITUTION: The method comprises the steps of making a tetragonal boundary block by using a basic block frame; transfering the tetragonal boundary block to the second-state molding part where an outer bending frame(10) is fixed, by using a conveyer(40) before the tetragonal boundary block comes to be solidified; and pressing the tetragonal boundary block at the contrary part of the outer bending frame(10) by using a pressing frame(30) to allow the block to be adhered to the outer bending frame(10) and to be bent.
Patent KR-20010046213-A (KR)
Inventor: JUNG UI HWA
IPC: H01L21/768
Filed: 1999-11-11
Abstract: PURPOSE: A method for manufacturing a multilayered interconnection of a semiconductor device is provided to improve a contact resistance characteristic, by guaranteeing a broader contact area between a contact plug and an upper metal interconnection in the same critical dimension than in a conventional technology. CONSTITUTION: An interlayer dielectric(104) is formed on a semiconductor substrate(100) having a lower metal interconnection(102). The interlayer dielectric is selectively etched to expose a predetermined portion of the lower metal interconnection and to form a via hole in the interlayer dielectric. A conductive layer is formed on the resultant structure to sufficiently fill the inside of the via hole. The conductive layer is planarized to expose the surface of the interlayer dielectric so that a contact plug(106) of a conductive material in the via hole. A predetermined thickness of the interlayer dielectric is etched to expose a part of the upper portion of the contact plug. An upper metal interconnection(108) is formed in a predetermined portion on the interlayer dielectric to be connected to the upper portion of the contact plug.
Patent KR-20010053951-A (KR)
Inventor: JUNG KOOK CHAE
IPC: G06Q20/12
Filed: 1999-12-02
Abstract: PURPOSE: A method for reporting electronic settlement history on the Internet is provided to make a merchant having no knowledge of computer performs electronic commercial transaction easily by receipt of an order through telephone of the merchant and payment settlement through card checker linked with a web server and an electronic payment service center. CONSTITUTION: A consumer accesses a web site doing electronic commercial transaction, selects desired goods and requests for purchase(S13,S15,S16). If information of the consumer, an amount of settlement money for goods and settlement condition are inputted by the consumer(S17), an electronic settlement system gives a phone call to an electronic payment service center in which the consumer subscribed to confirm approval of a transaction by using tripartite phone call function(S18-S26). If the transaction is approved(S27), the electronic settlement system performs electronic settlement by issuing a credit card slip with a credit card checker of a merchant(S28). If the electronic settlement is completed correctly(S31), the electronic settlement system informs the corresponding merchant of transaction information that the consumer ordered by transmitting a letter message to a beeper or a mobile telephone of the merchant(S40).
Patent KR-20010054350-A (KR)
Inventor: LEE PIL GI
IPC: F16J15/08
Filed: 1999-12-06
Abstract: PURPOSE: A cylinder head gasket is provided to compact the entire structure by forming a metal sheet into a single sheet and to easily form a bore part, etc. CONSTITUTION: A gasket is formed as a single sheet formed by a metallic core(22). Herein, an aluminum ring(24) is installed on a circumference of a bore part(14). Herein, steel or stainless steel is used for the core to have sufficient strength. Moreover, the thickness of the core is reduced for conveniently forming the core part. The aluminum ring of the bore part prevents the leakage of gas generated from a combustion chamber. Films(26) are coated on the upper and lower surfaces of the metal forming the center of the gasket for making a gasket surface uniform. Herein, the thickness of the films is formed by the difference of the thickness between the aluminum ring and the metallic core. Therefore, the entire thickness of the gasket becomes uniform with the aluminum ring.
Patent KR-20000048103-A (KR)
Title: Liquid crystal display device
Inventor: HUZIMOTOKAZSI
IPC: G02F1/1333
Filed: 1999-12-13
Abstract: PURPOSE: A liquid crystal display device is provided to prevent stripes on a screen due to a lens sheet including a group of prisms in order to improve the quality of display. CONSTITUTION: A liquid crystal display device includes an upper polarization plate and a lower polarization plate. The upper polarization plate includes a first illumination surface on outside. The first illumination surface is processed to block flickering. The lower polarization plate includes a second illumination surface on outside. The second illumination surface is processed to have roughness of equal to or lower than that of the first illumination surface. The upper and lower polarization plates are attached on upper and lower surface of an electrode plate, respectively. The stripes are rejected by using the structure above described.
Patent KR-20010056794-A (KR)
Inventor: LEE SEONG GU
IPC: H01L21/027
Filed: 1999-12-16
Abstract: PURPOSE: A lithography process for reducing the inferiority of a pattern is provided to reduce the inferiority of a pattern by removing a chemical substance generated when cleaning the surface of the semiconductor substrate by using the thermal process. CONSTITUTION: The surface of a semiconductor substrate is cleaned. In order to remove the remaining chemical substance after the cleaning, a thermal process and a freezing process are performed. A photoresist pattern is formed.
Patent KR-20000057070-A (KR)
Inventor: BABAHUJIO
IPC: H03K17/693
Filed: 1999-12-17
Abstract: PURPOSE: A semiconductor is provided to supply back gate voltage controllers for preventing a leakage current caused when an analog switch is not used. CONSTITUTION: A semiconductor uses a digital circuit(64). An operation mode controlling circuit(56) operates the digital circuit, by presenting a high level without operating an analog multiplexor(11a). The digital circuit is connected to an input terminal(94) and a terminal(96) connected with a digital power(VDD(2)). The digital circuit includes an inverter(98), a NAND gate(100), a NOR gate(102), a P-channel switch(104), and an n-channel(106). When levels of digital data are high, the digital circuit outputs a high level(the VDD(2)). When the levels of the digital data are low, the digital circuit outputs a ground level signal. The outputs of the digital circuit are presented in an external terminal(68).
Patent KR-20010063236-A (KR)
Inventor: AHN EUN CHEOL
IPC: H01L23/28
Filed: 1999-12-22
Abstract: PURPOSE: A stacked package and a fabrication method thereof are provided, which can be applied without regard to an edge pad or a center pad type, and can be made thin, and do not need an under-fill process or an encapsulation process. CONSTITUTION: A semiconductor chip(13) where a bottom surface is ground and a stud bumper(15) connected with an integrated circuit electrically is formed on its upper surface. A base substrate(22) formed to reveal a part of a metal line(25) is prepared. Bonding pads(27a,27b,27c) are formed in a body with the metal line. An adhesion layer(30) of a B-stage epoxy material is formed on a chip carrier(21) to open bonding pads(27a,27b), and a solder(31) having a low melting point is coated on the opened bonding pads. The semiconductor chip is mounted on the chip carrier. The stud bumper is connected with the bonding pad(27a) electrically. A semiconductor chip package(11) is assembled by attaching a solder ball(35) to a bonding pad of an external region of the semiconductor chip. A number of the semiconductor package chips like above are stacked and bonded vertically. A stacked chip package(10) is assembled by attaching the solder ball of an upper unit semiconductor chip package(11) to the opened bonding pad(27c) of the chip carrier of a lower semiconductor chip package(11).