baber/WOPTO huggingface dataset:
Patent KR-20010069030-A (KR)
Title: The Consignment fee caculation method and system of security coperation ( stock coperation) according to investor's earning rate
Inventor: SHIN CHANG HUN
Filed: 2000-01-11
Abstract: PURPOSE: A method and system for calculating a commission of a security corporation according to profit rate of an investor is provided to calculate and levy a trust commission for ordering a stock trade in accordance with an investment profit rate of an investor. CONSTITUTION: In the case that a trust for a sale, a calculation is executed in a sale trust commission charged program(7). In the case that a trust for a purchase, a trust commission is calculated in a purchase trust commission charged program(8). In addition, a trust commission calculation device(4) performs a trust commission charging execution(9). A data device(10) transmits data for executing the trust commission calculation device(4) for setting a trust commission rate in accordance with a profit rate of an investor. The data device(10) comprises a stock account data file(11), a sale order conclusion money data file(12), a purchase order conclusion money data file(13), and an entire trade profit rate data file(14). In addition, a trust commission rate setting data file(15) and a business model are provided.
Patent KR-20010083538-A (KR)
Title: Apparatus for Continuous Discharge of Polyolefin Beads
Inventor: JUNG MUN JO
IPC: B29B9/12
Filed: 2000-02-16
Abstract: PURPOSE: An apparatus for continuously discharging polyolefin resin particles is provided to reduce the capacity of a pressure reduction expansion vessel and the pressure applied to the pressure reduction expansion vessel and maximize usage efficiency of a penetration vessel by continuously discharging resin particles little by little, and increase productivity by continuously manufacturing foam particles. CONSTITUTION: The apparatus comprises a supply chamber (11) connected to a storage vessel by a supply pipe (13) so as to convey resin particles and water transferred from the storage vessel to the storage chamber of the turntable; a fixing disc (11) which is connected to a pressure reduction expansion vessel by the discharging pipe and has a discharging chamber (112) for discharging resin particles and water transferred from the storage chamber to the pressure reduction expansion vessel; a storage chamber conveying resin particles and water transferred from the supply chamber to the discharging chamber; and a turntable (12) which has a ventilating pipe (122) connecting the storage chamber to the outside, maintains air-tightness at the upper part of the fixing disc, and periodically rotates centering on a rotation axis.
Patent KR-20010083546-A (KR)
Title: System and method for converting a file based on a network
Inventor: KIM SEONG JUN
IPC: G06F15/16
Filed: 2000-02-16
Abstract: PURPOSE: A system and method for converting a file based on a network is provided to convert a file received from a transmitting client PC or a facsimile and outputs the converted file to a receiving client PC or a facsimile using service requesting data received from the transmitting client PC by connecting a file converting server to a plurality of client PCs and the facsimile through a network communication network. CONSTITUTION: A communication network(100) is connected to a plurality of unspecific communication lines for performing a data communication interactively. A plurality of facsimiles(200) output a G3 file through the communication network(100) and receive the G3 file from the exterior through the network(100). A plurality of client PCs(300) output service requesting data received from a user to the exterior, output an E-mail file or a web document file to the exterior through the network(100) and receive an E-mail file from the exterior through the network(100). A file converting server(400) receives the service requesting data from the transmitting client PC(300) through the network(100), converts a file received from the transmitting facsimile(200) or the client PC(300) into the corresponding format by the service requesting data and outputs the receiving facsimile(200) or the client PC(300).
Patent KR-20010084354-A (KR)
Title: Hand phone for controlling RF signal and method therefor
Inventor: CHO KWON SEOK
IPC: H04M15/28
Filed: 2000-02-25
Abstract: PURPOSE: A cellular phone in which an RF signal is processed and a method therefor are provided to build an RF IC in an inner portion of the cellular phone, charge a certain cost through a certain communication network, and perform a telephone conversation and calculate a public cost through the cellular phone. CONSTITUTION: A circuit unit(23) controls signals processed in a mobile communication terminal(20) and stores information including the signals. An RF processing unit(25) exchanges information composed an RF signal with a public cost processing device(30) by wireless. Information provided from a center through a mobile communication network(10) and an antenna(21) is stored in the circuit unit(23). A cost for processing a public cost through the mobile communication network(10) is charged. signals are exchanged with the public cost processing device(30) through the RF processing unit(25) and the cost charged in the circuit unit(23) is updated.
Patent KR-20000036373-A (KR)
Inventor: OH SEA JIN
IPC: G06F17/28
Filed: 2000-02-29
Abstract: PURPOSE: A real time translation device and its implementation in internet mail service is provided to enable users to communicate with foreign users by overcoming the problem of different languages. CONSTITUTION: A web browser(110) connected by a user displays result of confirmation task of mail requested in a mail server(120) and provides real time translation program. A mail server verifies reception of database server(130) about mails from transmitters, manages the mails, and sends a translated mail, understandable by the receiver and translated by a translation server(140), to a receiver after searching topmost domain. In case that a transmitter sends a mail written in his native language to a foreign user, the mail is sent to the translation server and the domain name is analyzed. Translated mail is sent to mail server and the mail server transmits the mail to a foreign receiver. This translation device provides the method to enable users, even if do not know English, to communicate with each other.
Patent KR-20010086677-A (KR)
Title: Manufacture of Plastic for Heat Conduction and Storage
Inventor: KIM JAE HO
IPC: C08L101/00
Filed: 2000-03-02
Abstract: PURPOSE: Provided is a conductive heat storing plastic prepared by mixing conductive graphite to generate heat, inserting latent heat micro granules (encapsulated phase change material) to store heat and shaping the plastic for each purpose. CONSTITUTION: The plastic (2) is made by mixing, on the basis of PVC dough resin, 30-50wt. plastisol with 30-60wt. plasticizer DOP, 30-40wt. graphite and 10-30wt. latent heat granules and shaping into a wanted form. On this plastic (2), top layer (3) and bottom layer (1) are laid in layer for insulation of heat and electricity and copper plats are inserted to impart electricity into both end of this conductive heat storing plastic.
Patent KR-20010087004-A (KR)
Title: Display Device with Low Power Scan Driver
Inventor: KIM HAK SU
IPC: G09G3/00
Filed: 2000-03-06
Abstract: PURPOSE: A display device having a low power scan driving circuit is provided to economize power consumption by feedbacking current from a display device and storing it to raise voltage to a predetermined level using a charge pump. CONSTITUTION: A charge transmitting and supplying unit(8) comprises two transistors(Q1,Q2), each different two signal source power_N(41), and power_s(42). A charge pump convertor unit(5) includes a capacitor(C) which is capable of accumulating an electric charge. The signal source power_N(41) in the charge transmission and supply unit(8) and a charge ON(4) signal which is another signal source is worked together with the power_s(42). Two transistors for the switches(Q1,Q2) control ON/OFF of the transistors for the switches(Q1,Q2) by means of a pulse driving. An outer power source(7) supplies a power to a DC-to-DC convertor(6) and is comprised of a resistance(R) and a diode(D).
Patent KR-20010089032-A (KR)
Title: Fixed plate for switching plate of fire detector
Inventor: WOO YOUNG SUK
IPC: A62C37/40
Filed: 2000-03-20
Abstract: PURPOSE: A contact point zone fixed plate of a fire sensor is provided which transmits electrical signals to the outside for giving an alarm by installing the operation contact point zone and fixed contact point zone that are switched on after receiving expansive power of a diaphragm or expansive power according to the thermal expansion of a bimetal. CONSTITUTION: The fire sensor is characterized in that a flat shaped operation contact point plate (161) is installed on a mount (120) and a support (124) which are formed on the outer circumferential surface of a fixed plate (110) so that an operation contact point (163) is vertically moved when operating the fire sensor, a fixed contact point plate (152) is installed on a rest groove (112) and an operation groove for fixed contact point plate (115) each of which are oppositely formed to an adjusting bolt inserting hole (113) of the fixed plate (110) so that the front part of the fixed contact point plate (152) is carried on a supporting surface for fixed contact point zone (174), thereby vertically moving a fixed contact point (153) when adjusting an adjusting bolt (130), and a contact point zone fixing plate is installed by adhering and fixing an operation contact point zone (160) to a fixed contact point zone (150), wherein the operation contact point (163) is vertically moved in the operation contact point zone (160) while the fixed contact point (153) is vertically moved in the fixed contact point zone (150).
Patent KR-20010092509-A (KR)
Title: a method for teaching children using the internet
Inventor: KANG KWANG SEK
IPC: G06Q50/20
Filed: 2000-03-22
Abstract: PURPOSE: A method for educating children using the Internet is provided to offer study data so that children can study for themselves according to an educational program designed in accordance with age and school years and to execute a systematical education through the process of raising to an upper stage if they pass a test after completing each unit course. CONSTITUTION: If a user accesses an operator system and inputs his ID and password, the CPU of the system loads member information from a database(ST101,102). The CPU judges whether the user has completed a specific unit course(ST103,104). In case that the user has failed to complete the specific unit course, the CPU loads the study data of the unit course from the database, transmits the data to the user through the Internet, and guides him to study the unit course(ST105,106). If the user finishes the learning of the unit course using the study data provided through the Internet, the CPU transmits a congratulatory message to him and offers a character file to congratulate the completion of the unit course(ST107-108). The CPU updates member information, and records that the user has completed the unit course(S109).
Patent KR-20000063057-A (KR)
Title: 몰드내로 분말재료를 자동으로 장전하는 방법 및 그 장치
IPC: B30B11/00
Filed: 2000-03-30
Abstract: 본 발명은 몰드 공동을 형성하는 관통 구멍을 가지는 튜브형 본체를 구비한 몰드 내로 소정량의 분말 재료를 자동으로 장전(loading)하는 방법에 관한 것이다.  그 분말재료 자동장전 방법은: 구멍의 하단부에 하부 가압코어가 끼워지는 몰드를 마련하는 단계와; 몰드의 상단면으로 부터 하부 가압코어의 상단면 까지 소정 깊이가 설정되도록, 하부 가압코어를 몰드에 대해 상대적으로 이동시키는 단계와; 소정량의 분말재료를 몰드에 충전하고 그 몰드의 상단면 높이에 맞게 과다 분말을 깍아내는 단계와; 몰드내의 분말재료를 소정압력으로 가압하여 분말 압축체를 형성하는 가압단계와; 분말 압축체를 몰드내의 소정위치로 이동시키기 위해 분말 압축체를 하부 가압코어와 함께 몰드에 대해 상대적으로 이동시키는 단계로 이루어진다.
Patent KR-20010006920-A (KR)
Inventor: IKEGAMI GORO
IPC: H05K1/11
Filed: 2000-03-30
Abstract: PURPOSE: To obtain sufficient bonding strength by arranging bump electrodes on a semiconductor pellet along at least two rectilinear lines which perpendicularly intersect each other, and stretching adjacent regions containing overlapping regions with the bump electrodes, of pad electrodes formed on a wiring board having flexibility, in the direction different from arrangement of the bump electrodes. CONSTITUTION: Bump electrodes 11 formed on a semiconductor substrate 10 are arranged rectilinearly along an edge, and stretched parts of parallel electrode arranging groups perpendicularly intersect adjacent electrode groups with each other. In a wiring board 12, a conducting pattern 14 is formed on a resin board 13 having flexibility, on which pattern pad electrodes 15 are formed at positions corresponding to the bump electrodes 11 of a semiconductor pellet 9. Adjacent regions containing overlapping parts with the bump electrodes 11 intersect the arrangement direction of the electrode arranging groups at 45 degrees and are stretched in the same direction. Since the direction of ultrasonic vibration applied on the wiring board 12 almost coincides with the stretching direction of the pad electrodes 15, the ultrasonic vibration is concentrated in the overlapping parts, and excellent electrical connection can be obtained.
Patent KR-20010096002-A (KR)
Inventor: WEE GYE SEONG
IPC: A01G9/14
Filed: 2000-04-14
Abstract: PURPOSE: A greenhouse is provided to maximize the heat insulation effect inside the greenhouse by reciprocally connecting a plurality of arc frameworks with framework fittings, thereby furnishing a dome shaped greenhouse framework, and covering double vinyl sheets having air layers on the dome shaped greenhouse framework, thereby fixing the double vinyl sheets with vinyl fixing means. CONSTITUTION: The greenhouse comprises ring shaped circular frameworks(170) which is formed at the lower part contacted with the ground surface by continuously connecting end parts of arc frameworks(110) with framework fittings(160); a dome shaped greenhouse framework(100) which is formed on the ring shaped circular frameworks(170) by continuously arranging 3 or more of the arc frameworks(110) and connecting each end parts of the arranged arc frameworks(110) with the framework fittings(160); and an entrance door(130) which can be opened or closed is formed on one side surface of the vinyl covered greenhouse framework after vinyl(140) having air layers(141) is covered on the greenhouse framework(100).
Patent KR-20010103311-A (KR)
Inventor: JUNG BYEONG MIN
Filed: 2000-05-09
Abstract: 복제 또는 위조가 불가능한 마그네틱 카드와 상기 마그네틱 카드를 확인하는  장치 및 그 방법을 공개한다. 본 발명에 따른 위조 또는 복제가 불가능한 마그네틱 카드는 사용 가능한 금액 데이터 및 고유의 특성을 나타내는 고유 데이터가 기록되는 마그네틱 데이터 기록부 및 고유 데이터에 대한 홀로그램이 기록된 홀로그램 데이터 기록부를 포함하는 것을 특징으로 한다. 또한, 상기 마그네틱 카드를 확인하는 마그네틱 카드 확인 장치 및 그 방법은 홀로그램 데이터와 상기 고유 데이터를 판독하여 비교하므로, 마그네틱 카드의 위조 또는 복제 여부를 판단하고, 요금 정산 시간이 소정시간 이상되면 카드를 움직이고, 움직임을 감지하는 카드 감시 신호를 발생하므로 요금 정산 시간동안 카드가 교체되는 것을 특징으로 한다. 따라서, 위조 및 복제된 카드가 유통되는 것을 최소화할 수 있다.
Patent KR-20010103327-A (KR)
Inventor: KIM JUNG GI
Filed: 2000-05-09
Abstract: 본 발명은 엔진의 회전속도에 비례하는 터보 과급기의 압력이 기화기의 2 차실에 전달되도록 함으로써, 연료 공급을 원활하게 하여 운전성능을 향상시킬 뿐만 아니라 환경 저감도를 향상시키는 LPG 차량용 연료 제어장치에 관한 것이다. 
     본 발명은 LPG 연료를 저장하는 연료 봄베와, 봄베에서 공급되는 LPG연료를 조압 및 감압하는 기화기와, 배기가스의 압력 이용하여 흡입공기를 고압으로 만들어 엔진에 과급하는 터보 과급기와, 상기 터버과급기로부터의 공기를 냉각시키는 인터쿨러와, LPG 연료와 공기를 혼합하여 실린더 연소실에 공급하는 혼합기로 구성되는 LPG 차량용 연료 제어장치에 있어서, 상기 기화기의 2 차실에 신설되는 기화기 포트와, 상단은 상기 터보 과급기의 압력부에 연결되고 하단은 상기 기화기 포트에 연결되어 엔진의 회전속도에 비례하는 상기 터보 과급기의 압력을 상기 기화기 2 차실에 전달하는 연결관을 더 포함으로써 연료 공급을 원활히하고 환경저감도를 개선할 수 있다.
Patent KR-20020094189-A (KR)
Inventor: KIM MAN SEONG
IPC: B65D5/00
Filed: 2000-05-23
Abstract: PURPOSE: A can package box made of paper material useful for housing a present is provided to put fingers in the box and conveniently take out the cans by forming an opening at one side of the box along a folding line on a cover of the box. CONSTITUTION: The package box(1) comprises an opening(3) at one side(2) of the box; a longitudinal folding line(6) on body of the box(1); and a cover(7) for surface of the opening(3). The cover(7) has inner face and opening faces of the folding line(6)to be attached to sides(2) to close the opening surface(3) with the cover(7). The inner face forms the body as adhered to the side(2) when opening the opening faces. The cover(7) is turned over along the folding line(6) and exposes the opening(3) at the side(2) of the box(1).
Patent KR-20010108759-A (KR)
Inventor: KIM JIN SEON
Filed: 2000-05-31
Abstract: 1. 청구범위에 기재된 발명이 속한 기술분야 
     본 발명은 반도체 제조공정에서의 로트 분할 시스템 및 그 방법과, 이를 실현시키기 위한 프로그램을 기록한 기록매체에 관한 것임. 
     2. 발명이 해결하려고 하는 기술적 과제 
     본 발명은, 반도체 라인관리용 통합 자동화시스템을 이용하여 해당 로트의 분할 요청 입력하여, 분산된 다수의 각 서버들간에 로트의 설비이동에 관련된 데이터를 송수신하고, 해당 로트의 분할 요청을 데이터베이스에서 확인 및 갱신하므로써, 작업자의 부가작업 없이 로트를 분할할 수 있는 반도체 제조공정에서의 로트 분할 시스템 및 그 방법과, 이를 실현시키기 위한 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록매체를 제공하고자 함. 
     3. 발명의 해결방법의 요지 
     본 발명은, 작업자가 작업자 인터페이스 프로세스를 이용하여 로트의 분할을 요청하하는 제 1단계; 상기 작업자 인터페이스 프로세스가 로트의 분할 요청을 작업자 인터페이스 서버로 전송하면, 작업자 인터페이스 서버가 상기 로트의 분할 요청을 작업자 인터페이스 프로세스로부터 수신하는 제 2단계; 상기 로트의 분할 요청을 수신한 작업자 인터페이스 서버가 마스터 데이터베이스에서 로트의 분할을 위해 필요한 데이터를 확인하고, 상기 마스터 데이터베이스를 갱신하는 제 3단계; 상기 작업자 인터페이스 서버가 마스터 데이터베이스에서 획득한 로트 분할에 관련된데이터를 셀 관리 서버로 전송하고, 상기 셀 관리 서버가 수신한 로트 분할에 관련된 데이터를 로트 스케쥴 서버로 전송하는 제 4단계; 상기 셀 관리 서버가 상기 제 4단계의 수행 결과를 상기 작업자 인터페이스 서버로 전송하는 제 5단계; 상기 셀 관리 서버가 이력 정보 서버 큐 파일에 로트 분할에 관련된 데이터를 기록하고, 그 결과메세지를 이력 정보 서버로 전송하는 제 5단계; 및 상기 셀 관리 서버로부터 이력 정보 서버 큐 파일에 로트 분할에 관련된 데이터를 기록했다는 메세지를 수신한 상기 이력 정보 서버가 이력 정보 서버 큐 파일에서 로트 분할에 관련된 데이터를 획득하여 이력 데이터베이스에서 확인 및 갱신하는 제 6단계를 수행한다. 
     4. 발명의 중요한 용도 
     본 발명은 반도체 제조공정에서 로트를 분할하는 방법에 이용됨.
Patent KR-20010111753-A (KR)
Inventor: JUNG EUN SEONG
Filed: 2000-06-13
Abstract: 본 발명은 내구력 시험기에 관한 것으로 전원을 공급받아 회전력이 발생되는 회전모터(10)와, 상기 회전모터(10)에 연결되어 회전력을  전달하는 샤프트(20)와,상기 샤프트(20)에 결합되어 회전운동을 직선왕복운동으로 변환하는 수직운동부 (50)와, 상기 수직운동부(50) 하단에 설치되어 시편(80)을 고정시킬 수 있는 시편고정구(60)와, 시편(80)을 고정할 수 있는 고정수단(72)을 구비하고, 상기 시편고정구(60)의 일측에 설치되어, 시편(80)에 배기가스를 분출하는 버너부(70)로 구성되어, 버너부에서 분출되는 배기가스로 시편을 배기온도로 가열하고,  회전모터(10)에서 발생되는 회전력을 수직운동부(50)를 통하여 직선왕복운동으로 변환시킴으로서, 버너부(70)와 시편고정구(60)에 의해 양측이 고정된 시편(80)에 변위차이를 발생시켜 진동을 가하게 된다. 
     따라서, 실제 주행상황과 유사한 한 방향 또는 두 방향의 일정변위량으로 지속적인 진동을 가하여 자동차 배기관용 연결구의 내구력에 대한 정확한 데이터를 측정할 수 있는 것이다. 
     또한, 시편(80)을 고정할 수 있는 고정수단(72)이 구비된 버너부(70)의 위치를 조정하므로서, 인장, 압축 및 전단 방향 등의 다양한 주행상황에서의 내구력 시험이 가능하여 제품의 내구력을 종합적으로 측정할 수 있는 것이다. 
     그러므로, 배기관용 연결구를 제조할 경우 상황에 요구되는 내구력에 충분한 제품을 생산할 수 있으므로, 사용중 제품이 파손되는 것을 방지할 수 는 매우 유용한 발명인 것이다.
Patent KR-20010112891-A (KR)
Title: Method of forming a copper metal wiring in a semiconductor device
Inventor: PYO SEONG GYU
IPC: H01L23/52
Filed: 2000-06-15
Abstract: According to the invention, a metal salt and an oxygen source are applied to penetrate or impregnate a suitable substrate sequentially in effective amounts so as to react in contact with the substrate and produce a mineral compound fixed within the surface of the substrate. The inventive combination of a mutually compatible metal salt, oxygen source, and substrate brings about an in situ reaction, and modifies the substrate to bring about a lasting desired effect. The mineral compound that is produced according to the invention is linked to the substrate, is stable and long-lasting or permanent, and is immobilized or insolubilized in the substrate. The mineral compound is bound or contained within and on the substrate of the substrate, so it may be said to be ingrained in the fibers or matrix of the substrate, or embedded within the substrate. The desired effect is preferably a color. A wide variety of metal salts may be used depending on the desired effect. The oxygen source is preferably a peroxide, and the substrate is preferably a cellulose product such as wood, cotton, or paper; leather; or masonry. The invention contemplates methods of treating substrates, treatment kits, and treated products. With wood products, the invention provides a water-based stain of low toxicity useful for soft woods.
Patent KR-20020001313-A (KR)
Inventor: LEE BUM SU
IPC: F02B33/00
Filed: 2000-06-28
Abstract: PURPOSE: A super charger for a car is provided to supercharge suction air by the rotary power of a camshaft installed to an engine for installing easily without restrictions on space for installing a super charger. CONSTITUTION: A super charger for a car comprises a compressor case(10) installed to a suction pipe(4) for flowing air passed through an air cleaner(2) in a cylinder of an engine(20), a driven shaft(14) installed to the compressor case(10) to rotate by receiving the rotary power of the engine(20), an impeller(12) installed into the compressor case(10) and rotated by the driven shaft(14) to compress suction air from the air cleaner(2) in a fixed ratio and flow out toward the cylinder of the engine(20), a driven pulley(18) installed to an end of the driven shaft(14), a driving pulley(26) installed to a camshaft(24) of the engine(20), a driving belt(28) transferring the rotary power of the driving pulley(26) to the driven pulley(18), and a tension pulley(30) controlling the tensile force of the driving belt(28) to transfer rotary power exactly by the driving belt(28).
Patent KR-20020004194-A (KR)
Title: The portable game devices using by internet down loading or computers.
Inventor: NAM YONG HYUN
IPC: A63F13/92
Filed: 2000-07-03
Abstract: PURPOSE: A portable game machine capable of receiving data by using an internet network or a computer software is provided to enable a user only making a good record to upgrade the degree of difficulty of an existing game by oneself. CONSTITUTION: When a user plays a game according to a predetermined game rule of the portable game machine, the game machine is designed to prevent the user from being continue the game if a constant time passes or the user loses a game. For reusing the game machine, the user has to download a new software saved in a computer or by use of an internet network, and at this time the new computer software is selected in due consideration of the result of the former game and the condition of the game machine.
Patent KR-20020004720-A (KR)
Title: Mounting Tool for body of vehicle
Inventor: HAN JAE YUL
IPC: B25B11/02
Filed: 2000-07-07
Abstract: PURPOSE: A tool for assembling a chassis is provided to be used conveniently in a narrow space and to reduce the time for assembling by transmitting the driving force of a motor tool to a bolt. CONSTITUTION: A tool for assembling a chassis comprises a case(2), a drive sprocket(4) rotatably installed in the case and fitted with a motor tool(8), a driven sprocket(6) rotatably installed in the case and fitted with a bolt, a chain wound on between the drive sprocket and the driven sprocket, and a fixing tool for fixing the driven sprocket when the tool is used manually. The driven sprocket is fitted into the head of a bolt, and the motor tool is fitted in the drive sprocket. Upon operating the motor tool, the drive sprocket rotates. The driving force is transmitted to the driven sprocket via the chain, and the driven sprocket rotates by the driving force. Therefore, the bolt is fastened and unfastened.
Patent KR-20020006338-A (KR)
Title: Method of producing thermoelectric transform materials by using the gas atomixation and the hot forming process
Inventor: CHUN BYUNG SUN
IPC: H01L35/12
Filed: 2000-07-12
Abstract: PURPOSE: A method for manufacturing a Bi2Te3-based thermoelectric conversion material using a gas atomization process and a hot molding process is provided to guarantee a fine structure of a uniform single solid solution which has a uniform composition and doesn't almost have segregation, by using a gas atomization process to manufacture n-type and p-type Bi2Te3-based alloy powder which has a fine structure and is chemically uniform. CONSTITUTION: Sb2Te3 and Bi2Se3-added Bi2Te3-based alloy as an n-type composition and Bi2Te3-added Sb2Te3-based alloy as a p-type composition are used as a basic material, and are melted in a furnace which maintains a vacuum state of a predetermined pressure or an atmosphere of argon or nitrogen. The melted alloy is used to manufacture thermoelectric semiconductor powder which has a uniform structure and a fine spherical shape. The thermoelectric semiconductor powder is reduced. The reduced powder is cooling-molded and degassed. The cooling-molded material is hot-molded.