baber/WOPTO huggingface dataset:
Patent KR-20020040409-A (KR)
Title: Feeder for surface mounting device
Inventor: HWANG JI HYEON
IPC: H05K13/02
Filed: 2000-11-24
Abstract: PURPOSE: A part supplying apparatus of a surface mounting apparatus is provided to simplify structure, obtain clockwise/counterclockwise rotation, facilitate assembling, and adjust precision transfer pitch of a tape. CONSTITUTION: A part supplying apparatus of a surface mounting apparatus comprises a part supplying unit(110), a location sensing unit(114), a vinyl separating unit(120) and a vinyl withdrawing unit(130). The part supplying unit(110) rotates a circular permanent magnet to generate clockwise/counterclockwise rotating force, and transfers a tape at a pitch with the generated rotating force. The location sensing unit(114) is coupled to a rotating shaft of a gear(124) coupled to the part supplying unit(110) for sensing the location for controlling transfer pitch and direction of a tape. The vinyl separating unit(120) transfers the striped vinyl from the tape with the clockwise rotating force and re-transfers the vinyl with the counterclockwise rotating force. The vinyl withdrawing unit(130) is rotated by the clockwise rotating force to withdraw the vinyl from the vinyl separating unit(120), and ejects the withdrawn vinyl to the vinyl separating unit(120) with the counterclockwise rotating force.
Patent KR-20020045143-A (KR)
Title: method for encoding and decoding of digital image using watermarking technologies
Inventor: KIM BYEONG JIN
IPC: H04N21/434
Filed: 2000-12-08
Abstract: PURPOSE: A method of coding and decoding a digital image using a watermarking technique is provided to apply a rule capable of detecting a blind watermarking to perform a digital image watermarking, thereby detecting the blind watermarking without having an original image. CONSTITUTION: Pixels of an original image are separated to 3 pixel sets by applying a defined grouping rule. A watermark image is generated according to a defined mapping rule. The obtained watermark image is supplied to a user. The user confirms pixel array characteristics of the received watermark image. A rule applied to the watermark image is deduced by using the pixel array characteristics. According to the deduced rule, an appropriate reproducing/copying operation is carried out.
Patent KR-20010062325-A (KR)
Inventor: YAMANAKA HIDEO
IPC: H01L29/786
Filed: 2000-12-11
Abstract: PURPOSE: To grow a high-quality polycrystalline silicon layer meeting the quality required by a polycrystalline silicon layer for TFT by the catalyst CVD method. CONSTITUTION: At the time of growing the polycrystalline silicon layer 10 on a substrate 4, such as a glass substrate, quartz substrate, silicon substrate carrying an oxidized film formed on the surface, etc., by the catalyst CVD method, the total pressure in the growing atmosphere is set between 1.33x10-3 Pa and 4 Pa or the partial pressure of oxygen and moisture in the atmosphere is set between 6.65x10-10 Pa and 2x10-6 Pa in the initial stage of growth. Consequently, the maximum oxygen concentration in the portion of the grown silicon layer 10 of at least 10 nm in thickness from the interface with the substrate 4 becomes > 5x1018 atoms/cm3.
Patent KR-20010062470-A (KR)
Title: Device for reading from and/or writing to optical recording media
Inventor: KABUTZ MARTEN
IPC: G06K7/00
Filed: 2000-12-15
Abstract: PURPOSE: A device for reading from and/or writing to optical recording media is provided, in which the average value is adapted to disturbances during the scanning of the recording medium. CONSTITUTION: A device comprises an optical recording medium(1) having an optical scanner(2) for scanning the recording medium by a light beam(3) and for generating scanning signals(HF) from the reflected beam, a data slicer(5) for converting a scanning signal(HF) output by the optical scanner into a binary signal(HF"), an averaging unit(6) for forming an average value(M) from the scanning signal(HF,HF") as input signal of the data slicer, and a control unit(14) for changing a parameter(T,OF) of the averaging unit. The control unit(14) has a unit(8,10) for outputting a comparison value(S,HFN) and a comparator(7,11) for comparing the average value(M) with the comparison value(S,HFN), and triggers a change in the parameter(T,OF) in the event of the comparison value being exceeded or undershot.
Patent KR-20020048044-A (KR)
Title: method and apparatus for warning exchange time of engine oil
Inventor: LEE HYEON MOK
IPC: F01M11/10
Filed: 2000-12-15
Abstract: PURPOSE: An engine rpm, an acceleration degree, an engine oil temperature are made into coefficient to show its effect to the engine oil to show changing time of the engine oil to the driver considering engine load and road condition. CONSTITUTION: A device for showing changing time of an engine oil comprises an engine rpm detecting portion(10), an engine oil temperature detecting portion(20), an incline detecting portion(30) to detect an inclination of the automobile, a car speed detecting portion(40), a user operating portion(50) to output an accumulation value initial signal, a change time showing portion(60), and an engine oil changing controlling portion(70).
Patent KR-20020048544-A (KR)
Title: Method for manufacturing ink-jet print head having semispherical ink chamber
Inventor: KIM HYEON CHEOL
IPC: B41J2/16
Filed: 2000-12-18
Abstract: PURPOSE: A method for manufacturing inkjet print head is provided to simplify manufacturing procedures and prevent mis-alignment by integrating components of print head into a single unit, while allowing mass production of print head to be easily carried out. CONSTITUTION: A method comprises a first step of forming a nozzle plate(120) onto a surface of a substrate(110); a second step of arranging a circular heater(130) onto the nozzle plate; a third step of forming an ink feeding manifold(112) by etching the substrate; a fourth step of forming an electrode(150) electrically connected to the heater onto the nozzle plate; a fifth step of forming nozzles(122) for discharging ink, by etching the nozzle plate to have a diameter smaller than the diameter of the heater; a sixth step of forming an ink channel formation groove(124) by etching the nozzle plate from outside of the hater toward the manifold; a seventh step of forming ink chambers(114) having substantially hemispherical shapes and diameters larger than the diameter of the heater, by etching the substrate exposed by the nozzles; an eighth step of forming an ink channel(116) interconnecting the ink chamber and the manifold, by performing isotropic etching to the substrate exposed by the ink channel formation groove; and a ninth step of closing the ink channel formation groove by forming a first material film onto the nozzle plate.
Patent KR-20020056120-A (KR)
Title: A device and a method of intelligently managing to parking lot
Inventor: LEE HWA YEONG
IPC: G08G1/14
Filed: 2000-12-29
Abstract: PURPOSE: A device and a method for managing a parking state of a parking lot are provided to make an automatic operation system or a mobile terminal user check operation state information of the parking lot easily by automatically sensing an input/output of a vehicle, analyzing the input/output using a computer, displaying an operation state of a parking lot on an external display unit, connecting to a communication businessman, and transmitting operation information of the parking lot. CONSTITUTION: A vehicle sensor(10) is mounted at an entrance of a parking lot, senses an input and an output of a vehicle by an infrared rays sensor, and outputs the sensed state as a corresponding signal. A processing unit(20) receives a signal being output from the vehicle sensor(10) and processes parking lot operation information as the total parking number, the current parked number, and the space number. A display unit(30) is mounted at an area adjacent to the parking lot and makes a driver check parking lot operation state information being inputted from the processing unit(20). An IWF(Inter Working Function) unit(40) transmits the parking lot operation state information to a communication businessman network. A contents server(50) is connected to the IWF unit(40) and stores operation information of the parking lot. A communication businessman(60) transmits the parking lot operation state information to a user through the IWF unit(40). A mobile terminal(70) and an automatic operation system vehicle(80) receive the parking lot operation state information from the communication businessman(60).
Patent KR-20010025513-A (KR)
Inventor: LEE SUK KOU
IPC: H01M14/00
Filed: 2000-12-26
Abstract: PURPOSE: An energy increasing device for generating electric energy from a gas turbine in which hydrogen and oxygen gas produced by electrolysis is burned, a magnetic impeller using an electric generating coil and a magnetic coil and a liquid storage tank containing water, sodium hydroxide or dilute sulfuric acid is provided which produce energy at low cost in a simple manner and causes no air pollution. CONSTITUTION: This energy increasing device comprises the steps of producing electric energy by driving a magnetic impeller (7), (6), (5), (4) with an air bubble (14) obtained by explosive combustion of hydrogen and oxygen gas produced by electrolysis in a gas turbine (8), producing electric energy by driving the gas turbine by explosive combustion of the hydrogen and oxygen gas and producing auxiliary energy by driving a power generating turbine (1) with heat, steam, air bubbles, a vibration wave in a liquid storage tank (17) containing water, sodium hydroxide or dilute sulfuric acid and combining energy from the gas turbine, energy from the magnetic impeller and energy from the generation turbine.
Patent KR-20010023202-A (KR)
Title: 반사방지 코팅을 사용하는 절연
IPC: G03F7/09
Filed: 1998-08-20
Abstract: 집적회로의 제조에 사용하기 위한 산화 확산 배리어 스택을 형성하는 방법은 무기 반사방지 재료층상에 산화 확산 배리어층이 형성되어 있는 반도체 기판 조립체상에 무기 반사방지 재료를 형성하는 단계를 포함한다.  이러한 스택을 형성하는 다른 방법은 패드 산화물층 상에 무기 반사방지 재료층이 형성되고 반사방지 재료층 상에 산화 확산 배리어층이 형성되어 있는 반도체 기판 조립체상에 패드 산화물층을 형성하는 단계를 포함한다.  스택을 형성하는 다른 방법은 반도체 기판 조립체상에 패드 산화물층을 형성하는 단계를 포함한다.  제 1 산화 확산 배리어층은 패드 산화물층상에 형성되고, 무기 반사방지 재료층은 제 1 산화 확산 배리어층상에 형성되며, 제 2 산화 확산 배리어층은 무기 반사방지 재료층상에 형성된다.  반사방지 재료층은 실리콘, 질화물, 실리콘 산화물 및 실리콘 옥시니트리드로 이루어진 그룹으로부터 선택된 재료층을 포함하며, 실리콘-풍부층을 더 포함할 수 있다.  산화 확산 배리어 스택은 집적회로에서 절연을 위한 필드 영역의 산화를 위해 사용될 수 있다.  더욱이, 여러가지 산화 확산 배리어 스택이 개시되어 있다.
Patent KR-20010030934-A (KR)
IPC: A61K31/00
Filed: 1998-10-05
Abstract: 본 발명은 부분적으로는 5-아자퀴녹살린-기초 화합물을 사용하여 세린/트레오닌 단백질 키나제의 작용을 조절하는 방법에 관한 것이다.  상기 방법은 RAF 같은 세린/트레오닌 단백질 키나제를 발현하는 세포를 포함한다.  부가적으로, 본 발명은 본 발명에 의해 확인된 화합물을 사용하여 유기체내에서 세린/트레오닌 단백질 키나제 관련된 비정상적인 상태를 예방하고 치료하는 방법을 기술한다.  또한, 본 발명은 5-아자퀴녹살린 화합물 및 이러한 화합물을 포함하는 약제학적 조성물에 관한 것이다.
Patent KR-20010024522-A (KR)
Title: 플라즈마 디스플레이 패널 및 그 제조 방법
IPC: H01J9/24
Filed: 1998-10-16
Abstract: 플라즈마 디스플레이 패널에 있어서, 방전 시간을 규정하는 격벽이 격벽 재료의 용사에 의해서 형성된 용사막으로부터 구성되어 있다. 이와같은 격벽의 형성 공정은 기판위에 감광성 피복층을 형성하는 공정과, 상기 감광성 피복층에 소정 패턴의 개구부를 형성하는 공정과, 적어도 상기 개구부의 내부에 용사법에 의해서 상기 격벽 재료를 소정의 높이까지 퇴적시켜, 상기 용사막을 형성하는 공정과, 상기 감광성 피복층의 표면보다도 돌출하고 있는 상기 용사막의 부분을 연마함으로써 절취하는 연마공정과, 상기 광감성 피복층을 제거하여 소정의 형성의 상기 격벽을 얻는 공정을 포함한다.
Patent KR-20010033903-A (KR)
Title: 광학 장치에 사용하는 하이브리드 층
IPC: G02F1/139
Filed: 1999-10-27
Abstract: 본 발명은 광학 장치에 사용하는 하이브리드 층에 관한 것으로, 상기 층은 포러스 컬럼 형태 구조 뿐만 아니라 광학적 비등방성 재료를 포함한다. 더욱이, 본 발명은 상기 기판 사이에 존재하는 그 하이브리드 층을 스위칭 하기 위하여 마주하는 면 상에 전극층을 갖는 두 개의 실질적으로 평행한 기판을 포함하는 광학 장치에 관한 것이다.
Patent KR-20010034266-A (KR)
Title: 세라믹 물품
IPC: C03C4/08
Filed: 1999-11-18
Abstract: 가시광에 대해 불투명하면서도, 용이하고도 효율적으로 내부구조의 측정이나 검사를 행할 수 있는 관형상 또는 봉형상의 세라믹 물품을 제공하기 위해, 가시광에 대해 불투명한 관형상 또는 봉형상의 세라믹 물품에 있어서, 공기중으로부터 입사하는 1550㎚의 파장을 가지는 적외선의 두께 1㎜에 대한 투과율이 45%이상인 적외선 투과 세라믹으로 이루어진다.  이 세라믹 물품은, 1550㎚에 있어서의 반사율을 R로 하고, 반사계수와 흡수계수의 합을 μ으로 하였을 때, (1-R)≥0.84 및 μ≤0.7/㎜의 조건을 만족하는 적외선 투과 세라믹으로 이루어지는 것이 바람직하다.
Patent KR-20010034453-A (KR)
Title: 열처리 중에 제어된 저 레벨의 산소 분위기를 이용하여반도체 웨이퍼 내에 얕은 접합을 형성하는 방법
IPC: H01L21/324
Filed: 1999-01-21
Abstract: 도펀트 물질이 주입된 반도체 웨이퍼 내에 얕은 접합을 형성하는 방법이 제공된다.  도펀트 물질은 열처리실 내에서 선택된 온도에서 선택된 시간 동안 반도체 웨이퍼를 열처리함으로써 활성화된다.  도펀트 물질의 활성화 중에 열처리실 내의 산소 농도는 열처리실이 처리 가스로 채워질 때 전형적으로 존재하는 배경 레벨보다 작은 선택된 레벨로 또는 그에 가깝게 제어된다.  산소 농도는 1000ppm보다 작은 범위 내의 선택된 레벨로 또는 그에 가깝게 제어될 수 있으며, 바람직하게는 약 30-300ppm 범위 내의 선택된 레벨로 또는 그에 가깝게 제어된다.  이 방법은 주입된 붕소 또는 BF 2 이온에 대해 특히 유용하지만, 임의의 도펀트 물질에 이용될 수도 있다.
Patent KR-20010042695-A (KR)
Title: 계류나사
IPC: F16B41/00
Filed: 1999-03-16
Abstract: 상부 패널을 하부 표면에 부착하기 위해 계류나사는 상부 패널에 부착 가능하고, 하부 표면은 나사 가공된 구멍을 가지고, 계류나사는 나사를 가지고, 패룰은 상부 패널에 부착되고, 얇은 벽으로된, 원통형 중공 노브와 돌출부는 나사의 헤드 부분의 외부에 일체로 되어 나사의 헤드의 외부를 노브의 내부 표면에 강성적으로 고정하고, 이 돌출부는 나사가 노브의 하부로부터 노브내로 가압되는 노브의 표면에 대해 나사를 가압 끼워 맞춤을 제공한다.
Patent KR-20010043849-A (KR)
Title: 래디얼 타이어의 보강 타이어 비드
IPC: B60C15/06
Filed: 1999-05-25
Abstract: 본 발명은 편평한 또는 5°의 경사를 갖는 림 시트상에 장착되도록 설계된 타이어 비드(B)를 가지는 고하중용 타이어에 관한 것으로서, 타이어 비드 베이스로부터 반경방향 거리(H RNC )에 단부가 위치되는 플라이 업턴(10: ply upturn)을 형성하도록 비드 코어(2)에 대해 각각의 타이어 비드(B)에 고정되고 늘어지지 않는 보강 소자를 구비하여 형성되는 적어도 하나의 보디 플라이를 포함한다. 각각의 타이어 비드(B)는 적어도 두개의 부가의 보강 외장(reinforcing armouring)에 의해 보강된다. 즉, 반경방향 직물 보강 소자의 적어도 하나의 플라이(8)에 의해 형성되는 제 1 외장은 0°≤α≤45°범위의 원주방향 각도(α)로 형성되는 늘어지지 않는 소자의 적어도 하나의 플라이(6)에 의해 형성되는 제 2 외장(6)의 외측에 축방향으로 위치된다.
Patent KR-20010052747-A (KR)
IPC: C07B61/00
Filed: 1999-05-28
Abstract: The invention relates to a process for preparing alkali metal alkoxides by reacting alkali metals with alcohols in the presence of a catalyst, preferably a transition metal salt and especially iron(III) chloride.
Patent KR-20020059871-A (KR)
Title: Individual order study control system
Inventor: LEE HUI SOO
Filed: 2001-01-08
Abstract: PURPOSE: A system for managing the individual customized learning is provided to maximize the learning effect by offering the desired study aids to a learner and making a user repeatedly solve the wrong problem. CONSTITUTION: The system comprises a user terminal(100) reading and executing the learning data and transmitting the learning result to a learning management server, and the learn management server(200) transmitting the data requested by the user terminal, storing the learning result in a database and transmitting a learning paper fit to the personal capability by adding the wrong problem to a next learning paper. The database comprises a member management database(300), a learning database(400) storing the problems, which is transmitted to the user, having an intrinsic number, a learner answer database(500) storing the user's answers solving the problems receiving from the learning database, and a record management database storing the member's record.
Patent KR-20020061660-A (KR)
Title: Power off control method for mobile station
Inventor: LEE JAE UK
IPC: H04B7/005
Filed: 2001-01-17
Abstract: PURPOSE: A method for controlling power-off of a mobile station is provided to reduce load of a base station including unnecessary paging attempt by increasing power down registration success rate and prevent unnecessary time waste of a mobile station user trying a call. CONSTITUTION: If a mobile station user requests power-off, an MS(Mobile Station) requests a BS(Base Station) to register power down(100,102). If the BS sends an acknowledgement, the MS executes power-off(104,124). The MS determines whether power down registration request is attempted as many as the maximum attempt sequence(106). The MS initializes the repetitive retry counter value and determines whether the repetitive attempt counter value becomes the predetermined frequency(108,110). If not, the MS stands by during the fixed time(112). It is determined whether call destination is performed to the MS(114). If not, the MS requests the BS to register power down(118). If receiving call destination, the MS performs a call process(116). It is determined whether the BS sends the acknowledgement(120). Power down registration request is repeated as many as the maximum attempt sequence(122). If not receiving the acknowledgement from the BS, the MS increases the repetitive retry counter value by 1(123).
Patent KR-20020061731-A (KR)
Title: The method for setting the alternative framer in mobile communication system
Inventor: CHOI JAE HWAN
IPC: H04W84/08
Filed: 2001-01-17
Abstract: PURPOSE: A method for setting up a framer of a mobile communication system is provided to remove the complexity of selecting a framer according to the kind of a link or correcting a program, and automatically set the program appropriate for the kind of the link. CONSTITUTION: A way of a trunk connecting a base station and a control station is set up(S110). A form of a frame appropriate for the set up trunk way, is set up(S120). A specific value is transmitted to a channel through the basic trunk(S130). It is determined whether the transmitted signal is identical to the set trunk way(S140). If not, the other framer different from the basic trunk way is set up(S150). If identical, the currently set framer is maintained(S160).
Patent KR-20020063009-A (KR)
Title: Hair treatment
Inventor: LEE MAN TAEK
IPC: A45D2/00
Filed: 2001-01-26
Abstract: PURPOSE: A hair stimulating appliance is provided to allow a user to enjoy a game and an internet network using a computer by installing a liquid crystal display monitor at the front side of the user. CONSTITUTION: The hair stimulating appliance(10) heating hair by using a heating element(12) installed inside a case(11) is provided with a bracket(14) coupled to the case so as to be extended toward the front side of a user, and a liquid crystal display monitor(15) suspending to the bracket in a rotatable manner. The liquid crystal display monitor is connected with a separate computer body in wireless or wire-line manners.
Patent KR-20020066491-A (KR)
Title: Handler for testing LCD
Inventor: LEE JUN HO
IPC: G02F1/13
Filed: 2001-02-12
Abstract: PURPOSE: An LCD(Liquid Crystal Display) test handler is provided to precisely align and connect small-sized LCDs to an inspection unit, thereby improving the reliability and the efficiency of LCD testing. CONSTITUTION: An LCD test handler includes a rectangular frame type base frame(2) slantly mounted to a main body(1) of the handler, a rectangular frame type mounting plate(3) rotatively mounted to a front surface part of the base plate, a fixed block(4) mounted between the base plate and the mounting plate, a work table(5) mounted to a front surface part of the fixed block to slide vertically via a sliding element and having socket parts for mounting LCDs to test, the work table moving from an LCD attachment/detachment position of the mounting plate to an LCD test position, a driving element(4b) for moving the work table vertically, an inspection unit mounted at a rear part of the mounting plate to be connected to an external testing equipment and electrically connected to LCD pads on the work table moved to the test position for carrying out the test, and an alignment/connection element(6) for aligning the LCDs with respect to the inspection unit to connect the LCDs to the inspection unit when the work table moves to the LCD test position.
Patent KR-20010082658-A (KR)
Inventor: TAKATSUKI HIROKI
IPC: H01H89/00
Filed: 2001-02-15
Abstract: PURPOSE: To provide a switch device with constant operation performance, preventing an operator to operate an operation member from feeling physical disorder caused by the irregularity of click characteristics generated from driving one or two switch elements according to the pressing position of the operation member in an existing switch device. CONSTITUTION: The switch device comprises an operation member 4 engaged with a housing 1 oscillatably, a rubber spring 3 with four spring parts 3b, which are disposed along the rim of the operation member in the housing and two of which are selectively driven at a time by the oscillation of the operation member in one direction, and three switch elements 7 and 8a disposed corresponding to three spring parts. The spring parts buckle by the drive of the spring parts to switch the switch elements. The click rate of one of the two spring parts with two switch elements driven at the same time by the operation member is higher than that of the other spring part.
Patent KR-20020063471-A (KR)
Title: Method and apparatus for news service using internet
Inventor: JANG JEONG HO
IPC: H04N7/14
Filed: 2001-02-19
Abstract: PURPOSE: An information providing method using the Internet and a device thereof are provided to install an Internet data receiving unit providing a function of a set top box function on public equipment of a building, and to make information transmitted to user terminals through a distribution unit of the public equipment, so as to receive life information and moving image advertising contents through a television receiver. CONSTITUTION: Contents desired by an end user are collected to establish a database. The established database is transmitted to an Internet information server. Data are delivered to public equipment(80) of a building in which the user is located through a communication server from the Internet information server. A channel that does not transmit a TV broadcasting signal is designated as an Internet TV dedicated channel, to enable the user to receive the data received to the public equipment. And if the user selects the Internet TV dedicated channel, the data are transmitted to a TV of the user through an internal line.
Patent KR-20010094769-A (KR)
Title: KaL.L.a. taL myon
Inventor: LIM YONG JA
IPC: A23L7/109
Filed: 2001-02-10
Abstract: PURPOSE: A process for preparing colored Chinese noodles using violet and yellow sweet potatoes is provided, thereby, the titled Chinese noodles having a natural color tone without using an artificial pigment is produced. CONSTITUTION: Sweet potatoes which are produced in the Haenam districts and Yeongju districts located in the southern part of Korea are cut to a specified size, mixed with Chinese noodle raw material and extruded to produce the subject colored Chinese noodles.
Patent KR-20010085559-A (KR)
Title: Knocking detection method of internal combustion engine by ion current
Inventor: ASANO MORITO
IPC: G01L23/22
Filed: 2001-02-24
Abstract: PURPOSE: To solve a problem that the reference level to judge generation of a knock for each operational condition must be learned, and control is complicated when the knock component superposed on the ion current is detected using the ion current and generation of any knock is detected from the detected knock component. CONSTITUTION: In the knock control method of an internal combustion engine to detect generation of any knock by detecting the ion current flowing in a cylinder from the start of combustion, and judging the knock component superposed on the ion current based on the judgment level, the peak value of the ion current is detected, at least either of the judgment level or the knock component is relatively corrected based on the detected peak value, and generation of any knock is made hard to be judged as the detected peak value becomes larger.
Patent KR-20010044546-A (KR)
Inventor: JI YOONG IL
IPC: A47G19/00
Filed: 2001-03-06
Abstract: PURPOSE: A method for manufacturing a bottom rim of a stainless tableware is provided to give weight and stability to the tableware by welding a ring-shaped rim to the bottom of the tableware. CONSTITUTION: A stainless tableware(1) is manufactured by a press processing. A lining material in a length direction has the same cut end as one of a bottom rim. The lining material is bent to a ring-type rim(20) and welded a contacting point. The ring-type rim(20) is welded on the outside of the bottom for being a unity with the tableware(1). The bottom of the tableware(1) is processed to finish the forming of the bottom rim.