baber/WOPTO huggingface dataset:
Patent KR-20090003052-A (KR)
Title: System for management application based on plug-in and method for managing system management solution based on the wbem using the system
Inventor: PARK JONG GEUN
IPC: G06Q10/06
Filed: 2007-08-07
Abstract: A plug-in based management application system and a management method using the system are provided to offer a data processing and CIM(Common Information Model) client part corresponding to a CIM provider in a plug-in type without correcting or re-distributing a basic management application to dynamically expand a management function. A plug-in based management application system includes a management application framework(210) executing plug-in, and a plurality of management application plug-ins(220) which receives system information or a control function result from a CIM server when plug-in is executed by the management application framework, classifies the received system information or control function result according to data type, extracts required information, performs a required operation by using the extracted information and transmits the operation result to the management application framework.
Patent KR-20070089899-A (KR)
Title: Terminal feeding unit of stitching insert system for electronic equipment
Inventor: KANG SHIN SUNG
IPC: H01R43/055
Filed: 2007-08-15
Abstract: A terminal feeding device in a stitching machine is provided to perform pitch transfer of a terminal through a dual sprocket mode, thereby simplifying a structure, improving its durability and easily adjusting a cutting line. A terminal feeding device in a stitching machine comprises the following parts: a feeding sprocket(10) and a feeding motor which are placed in an upper part of a cutting/inserting part(12) installed in a stitching machine main body, and perform pitch transfer of a terminal(100) provided in an Y axis direction; and an idle sprocket(14) which is placed in a lower side of the feeding sprocket with a certain distance, rotates by being interworked with proceeding of the terminal and secures a location of the terminal.
Patent KR-20090019486-A (KR)
Title: Toner, method of forming images using the toner and image forming device using the toner
Inventor: CHEONG MIN YOUNG
IPC: G03G9/08
Filed: 2007-08-21
Abstract: A toner, a method for forming an image by using the toner, and an apparatus for forming an image by using the toner are provided to reduce the hydrophobicity of the surface of a toner, thereby improving fluidity. A toner comprises a primary coherence toner which comprises a latex particle for a core, a pigment and an inorganic salt; and a latex particle for a shell layer which is coated on the primary coherence toner, wherein the latex particle for a core and the latex particle for a shell layer is obtained by polymerizing a composition comprising an amphiphilic monomer having a hydrophilic group and a hydrophobic group and containing at least one reactive functional group and at least one polymerizable monomer, and the toner has a degree of coherence of 50 or less (ASTM D 6393-99).
Patent KR-20090021039-A (KR)
Title: Method for manufacturing motor
Inventor: SONG SANG JAE
IPC: H02K15/00
Filed: 2007-08-24
Abstract: A method for manufacturing a motor is provided to achieve favorable reliability at low cost by minimizing change amount of an axial perpendicular angle due to residual stress. A movement axial supporter is inserted into a penetration hole of a base(S100). The movement axial supporter is temporarily fixed to the base(S200). The movement axial supporter and the base are fixed to a jig(S210,S220). The movement axial supporter is welded to the base(S300).
Patent KR-20090021851-A (KR)
Title: Color space conversion apparatus and control method for thereof
Inventor: HONG JIN KYUNG
IPC: H04N9/64
Filed: 2007-08-28
Abstract: A color space conversion device and a control method thereof are provided to increase the color reproduction by converting an inputting color signal to have color bands matched when a standard color signal of an input device is different from the color bands of an output device which reproduces the standard color signal. A first color space converter(10) converts standard RGB color space into a first Lab color space, and a second color space converter(20) converts CMYK color space into a second Lab color space. A spherical face color space converter(30) converts the converted first and second Lab color spaces into a spherical color space by enlarging the converted first and second Lab color spaces into a spherical face. A spherical surface color band mapping unit(40) performs mapping for the color bands of the first and second Lab color spaces enlarged into the spherical face in the converted spherical color space.
Patent KR-20090022706-A (KR)
Title: PHARMACEUTICAL COMPOSITION FOR PROMOTING OSTEOBLAST DIFFERENTIATION AND ACTIVITY COMPRISING URSOLIC ACID AND 2-alpha-HYDROXY-URSOLIC ACID
Inventor: MIN YONG KI
IPC: A61K31/19
Filed: 2007-08-31
Abstract: A pharmaceutical composition including ursolic acid and 2-alpha-hydroxy-ursolic acid is provided to prevent and treat osteoporosis, fracture, periodontal diseases and bone growth disability. A pharmaceutical composition for promoting osteoblast differentiation and activities comprises ursolic acid represented by the formula 1 and 2-alpha-hydroxy-ursolic acid represented by the formula 2 as active ingredients. The ursolic acid and 2-alpha-hydroxy-ursolic acid are extracted from Prunella vulgaris through a column chromatography process. The amount of the ursolic acid and 2-alpha-hydroxy-ursolic acid is 0.0001-50wt% on a total weight basis of the pharmaceutical composition.
Patent KR-20090022875-A (KR)
Title: Face robot for giving expression
Inventor: PARK MIGNON
IPC: B25J11/00
Filed: 2007-08-31
Abstract: A face robot for giving expression is provided to accomplish the most alike expression as human by easily connecting an artificial skin and an actuator with a contact module. A face robot for giving expression comprises an eyebrow contact module(131~136) located in the center and both ends of the eyebrow of a face robot; a lip contact module(137~139) located in both ends and the center of a face robot; an eyebrow actuator driving the eyebrow contact module, connected through a wire; a lip actuator driving the lip contact module, connected through a wire; and a microprocessor controlling the eyebrow actuator and the lip actuator.
Patent KR-20090025688-A (KR)
Title: System and method for warning electric charges
Inventor: KIM JIN HO
IPC: G08C17/00
Filed: 2007-09-07
Abstract: A system and a method for warning electric charges are provided to minimize electric charges in comparison with a graduated tariff and an excessive increase of a graduated charge by providing electric charge information on a real time. A method for warning electric charges comprises the following steps: a step for selecting an electric tariff and a graduated tariff according to an electric charge class in which a user is applied(S400); a step for obtaining the electric tariff and a graduated electric charge cost data(S410); a step for receiving a control priority of home appliances from the user in an excessive graduated charge(S420); a step for storing a control priority input of the home appliances in the excessive graduated charge(S430); a step for providing a charge warning message to the user(S440); a step for calculating a month electric charge expected in case of continuously using an electricity with a present consumption pattern(S450); a step for transmitting a selection message about a relax intention of a graduated charge to the user(S460); a step for performing an electric use amount control of the home appliances according to priority set by the user(S470); and a step for reporting an electric charge comparison result after/before the electric use amount control to the user(S480).
Patent KR-20080024979-A (KR)
Title: Anti-vibration apparatus, exposure apparatus, and device manufacturing method
Inventor: NAWATA RYO
IPC: H01L21/027
Filed: 2007-09-11
Abstract: An anti-vibration apparatus, an exposure apparatus, and a device manufacturing method are provided to reduce influence of floor vibration, as the location and speed of a target object is feedback controlled with respect to the reference object. An anti-vibration apparatus comprises a target object(2), a reference object(21), a first measuring device(1), a driving mechanism, a Lorenz's force actuator(23), a power supply(26), a second measuring device, and a third measuring device. The first measuring device measures location of the target object with respect to the reference object. The driving mechanism drives the target object based on the result obtained by the first measuring device. The Lorenz's force actuator supports the reference object. The power supply applies a predetermined amount of current to the Lorenz's force actuator. The second measuring device measures change of speed of the reference object, wherein the Lorenz's force actuator supports the reference object based on the result obtained by the second measuring device. The third measuring device measures location of the reference object, wherein the location of the reference object is corrected by the result obtained by the third measuring device.
Patent KR-20090028894-A (KR)
Title: Method for identification korean cattle using multiplex pcr
Inventor: JEON JIN TAE
IPC: C12N15/00
Filed: 2007-09-17
Abstract: A method for identifying korean beef through a multiplex PCR(multiplex polymerase chain reaction) is provided to remove analysis errors of amplimer caused by the stutter band by performing multiplex PCR specific for a microsatellite marker. A method for identifying korean beef comprises the steps of: (a) amplifying more than 10 of nucleic acid sample materials to be analyzed by using a primer specific for a microsatellite marker with the multiplex PCR; and (b) detecting the allele of the product amplified in the step (a) through an electrophoresis system and determining genotype.
Patent KR-20080090954-A (KR)
Title: Pixel driving method and apparatus for organic light emitting device
Inventor: NAM WOO JIN
IPC: G09G3/20
Filed: 2007-09-20
Abstract: A method and an apparatus for driving pixels of an OLED(Organic Light Emitting Display) device are provided to suppress blurring by blocking a source voltage supplied to an organic light emitting diode during a programming period of a data voltage. A method for driving pixels of an OLED(Organic Light Emitting Display) device includes a step of blocking a source voltage(ELVDD) supplied to an organic light emitting diode(OLED41) and charging a data voltage supplied through a data line(DATA) in a storage capacitor(C41) by driving an N-channel switching transistor(T41), and a step of starting to supply the source voltage and driving an N-channel driving transistor with the data voltage charged in the storage capacitor such that the organic light emitting diode is radiated.
Patent KR-20090030803-A (KR)
Title: The beverage of ginseng
Inventor: LEE JAY HO
IPC: A23L19/00
Filed: 2007-09-21
Abstract: A functional pouch drink using ginseng cultivated in a forest is provided to maintain the effects of ginseng cultivated in a forest by injecting Schizandrae Fructus, Angelicae gigantis Radix and honey in the ginseng extract and packaging it in a pouch. A method for manufacturing functional pouch drink using ginseng cultivated in a forest comprises the steps of: (a) injecting the washed ginseng 10-20 parts by weight based on water in a vacuum water bath to obtain ginseng extract; (b) injecting ginseng extract 40-90%, honey 1-10%, Schizandrae Fructus 1-5% and the balance of Angelicae gigantis Radix extract and sterilizing them at 70-100°C for 1-3 hours; and (c) cooling the sterilized extract to 70-80°C, injecting it in a pouch by 60-90ml and packaging.
Patent KR-20090036913-A (KR)
Title: A nonvolatile memory device
Inventor: CHOI HAN MEI
IPC: H01L21/8247
Filed: 2007-10-10
Abstract: A nonvolatile memory device is provided to reduce a leakage current by preventing a tunneling of electrons from a charge storage film to a control gate electrode. A nonvolatile memory device includes a tunnel insulation film(110), a charge storage film(120), a blocking insulation film(150), and a control gate electrode(160). The tunnel insulation film is arranged on a semiconductor substrate(100). The charge storage film is arranged on the tunnel insulation film. The blocking insulation film is arranged on the charge storage film, and has a first blocking insulation film(150a) and a second blocking insulation film(150b). The first blocking insulation film and the second blocking insulation film have different permittivity. The control gate electrode is arranged on the blocking insulation film. A tunneling distance between the charge storage film and the control gate electrode is larger than thickness of the blocking insulation film.
Patent KR-20090039300-A (KR)
Title: Chamber unit and apparatus for proceeding a substrate
Inventor: HWANG DAE KYEUNG
IPC: H01L21/02
Filed: 2007-10-18
Abstract: A substrate processing apparatus including a chamber unit for removing a process byproduct attached on a window by including a wiper is provided to confirm a process environment by removing the process byproduct on the window. A chamber unit(100) comprises a chamber(101), a window(110) and a wiper(120). The substrate is settled in the chamber. The chamber has the opening on the one-side part. The window is positioned in the opening of the chamber and the window closes opening. The wiper is arranged in the inner side of the window. The wiper removes the process byproduct adhered to the window. The substrate processing apparatus comprises the chamber unit, and the mobile unit and treatment liquid supply unit. The mobile unit is arranged in the bottom side of the chamber. The mobile unit moves the substrate. The treatment liquid supply unit is arranged in the upper side of the chamber.
Patent KR-20090041054-A (KR)
Title: System and method for automatic transportation of a roll cage based on rfid
Inventor: SONG JAE GWAN
IPC: B07C3/10
Filed: 2007-10-23
Abstract: An automatic mail pallet transportation system based on RFID and a method thereof are provided to move a pallet smoothly and prevent damage to the pallet by automatically transporting the pallet arriving in an arrival field. An automatic mail pallet transportation method based on RFID comprises: a step for recognizing a tag of a mail pallet(330) which is carried to a gate(300) of an arrival field; a step for setting up a route to sorters(210,220,230,240) which classify the postal matter from the arrival field gate based on information of the recognized tag; and a step for moving the mail pallet to the sorter based on the set-up route and setting up the sorters in a standby state.
Patent KR-20090041702-A (KR)
Title: Display device for tire pressure condition and wheel-alignment condition
Inventor: JO DONG SIN
IPC: B60C23/00
Filed: 2007-10-24
Abstract: A display device for tire pressure condition and wheel-alignment condition of a vehicle is provided to inform the drive of the tire pressure and wheel-alignment conditions in real time. A display device for tire pressure condition and wheel-alignment condition of a vehicle comprises a measuring unit(100) and a measurement result output unit(200). The measuring unit includes a pressure sensor part(120) for measuring the pressure of the tire, a wheel alignment sensor part(110) for measuring the wheel alignment value of the vehicle, and a radio transmission part(130). The measurement result output unit includes a radio receiving part(210) for receiving the measured tire pressure and wheel alignment measured values, an analog/digital converter(240) converting the measured values into digital signal, and a central control part(230) outputting the measured wheel alignment value and the reference wheel alignment value.
Patent KR-20090042098-A (KR)
Title: Transistor outline type laser diode package
Inventor: KIM JEONG SOO
IPC: H01S3/0941
Filed: 2007-10-25
Abstract: A transistor outline type laser diode package is provided to monitor the operation state of the laser diode by using a part of light emitted from the edge emitting type laser diode. A laser diode chip is parallely arranged to the TO(Transistor Outline) base floor side. The light emitted from the laser diode chip is bent to 90° and is radiated to the exterior of package through the window prepared on the top of the transistor outlines package. The transistor outlines laser diode package comprises 45° back mirror(60). The reflecting surface of 45° back mirror is coated with the dielectric thin films with the different refractive index. A part of the laser light emitted from a laser diode chip(10) is reflected, and radiated to the exterior of package, and the rest of light penetrates the 45° back mirror.
Patent KR-20080040606-A (KR)
Title: Device for closing an opening with a locking bolt and limit stop, and corresponding motor vehicle
Inventor: MERLET DAVID
IPC: B60J1/00
Filed: 2007-11-02
Abstract: A closing device for an opening of a main body in a vehicle and the vehicle having the same are provided to prevent bolts from sliding by blocking sliding of panels even if a vehicle is decelerated. A closing device for an opening of a main body in a vehicle comprises a fixed type structure, and at least one panel(12). The panels are capable of moving for the fixed type structure between the maximum opening position and the closing position of an opening formed at the fixed type structure. The panels include at least one bolts(22,23) to be engaged with at least one complementary locking element inside the fixed type structure. The bolts or at least one of the bolts have a lateral contact surface to be engaged with a limit stop inside the fixed type structure. The closing device has at least one guide track integrated with the fixed type structure. The bolts or at least one of bolts are guided into sliding parts of tracks or the tracks.
Patent KR-20090046054-A (KR)
Inventor: HWANG IN SEOK
IPC: H04L29/06
Filed: 2007-11-05
Abstract: 본 발명은 프로토콜 변환 장치는 OAM-DM 프로토콜에 기반하여 OMA-DM 메시지를 생성하고 전송하는 OMA-DM 시스템, SNMP에 기반하여 SNMP 메시지를 생성하고 전송하는 SNMP 시스템, 그리고 상기 OMA-DM 시스템과 상기 SNMP 시스템에 연결되어, 상기 SNMP 시스템으로부터 전송되는 SNMP 메시지를 OMA-DM 메시지로 변환하여 상기 OMA-DM 시스템으로 전송하거나, 상기 OMA-DM 시스템으로부터 전송된 OMA-DM 메시지를 SNMP 메시지를 변환하여 상기 SNMP 시스템으로 전송하는 변환 시스템을 포함한다.  이로 인해, SNMP 메시지와 OMA-DM 메시지 간의 상호 변환이 가능하여 시스템의 교체나 변경 없이 SNMP 시스템과 OMA-DM 시스템 간의 호환이 가능하다. 
       
     SNMP, OMA DM, 단말관리, 프로토콜변환, 관리시스템, 네트워크관리
Patent KR-20090046209-A (KR)
Inventor: KANG HEE SOO
IPC: G11C16/34
Filed: 2007-11-05
Abstract: 낸드 플래시 메모리 소자의 프로그래밍 방법 및 데이터 읽기 방법에서, 비트 라인들 및 워드 라인들을 포함하는 셀 어레이 구조를 갖는 낸드 플래시 메모리 블록에서 짝수번째 비트 라인군 및 홀수번째 비트 라인군 중에서 선택된 어느 하나의 비트 라인 군에 형성되어 있는 셀 트랜지스터들에 N 비트(N은 1보다 큰 자연수)의 데이터를 프로그래밍한다. 그리고, 상기 N 비트 데이터를 프로그래밍하도록 선택되지 않은 나머지 비트 라인 군에 형성된 셀 트랜지스터들에 상기 N보다 많은 비트의 데이터를 프로그래밍한다. 이와같이, 셀 어레이 내에 비트 라인 군별로 서로 다른 비트 데이터를 저장하도록함으로써 낸드 플래시 메모리 소자의 저장 용량을 증가시킬 수 있다.
Patent KR-20070114678-A (KR)
Title: Independent suspension
Inventor: JEONG MAN HUI
IPC: B60G7/02
Filed: 2007-11-02
Abstract: An independent suspension is provided to improve driving pleasure by fastening one end of a rod with a chassis and the other end with a middle portion of a control arm by pin and by reducing rolling of a vehicle. An independent suspension connects one end of a control arm(30) with a chassis(10) and the other end with a ball joint(40). A case(15) formed on the chassis fastens one end of the control arm with the chassis by a pin(31), which enables the pin to be movable at the same end. The chassis extended to the other end(40) of the control arm is rotatably fastened with one end(21) of a rod(20). A pin(35), another end of the rod, is fastened with a main body of the control arm in a triangle shape. In addition, a ball joint(40), in which the control arm is disconnected with the chassis, is rotated in the case of shock-absorbing.
Patent KR-20090047736-A (KR)
Inventor: LEE MYOUNG SOOK
IPC: G06Q50/10
Filed: 2007-11-08
Abstract: 본 발명은 성장형 캐릭터 제공 시스템 및 방법에 관한 것으로서, 구체적으로 정보 서비스 제공 시스템(Information Service Provider)을 이용하는 사용자의 인터넷 활동 지수를 분석하여 이에 따른 인터넷 사용 성향에 대한 피드백 정보를 제공하는 인터넷 활동 지수를 이용한 성장형 캐릭터 제공 시스템 및 방법에 관한 것이다. 
     본 발명의 인터넷 활동 지수를 이용한 성장형 캐릭터 제공 시스템은 정보 서비스 제공 시스템에 접속하는 사용자의 인터넷 활동 지수 정보를 저장하는 지수 정보 DB, 상기 사용자에 대응하는 성장형 캐릭터의 정보를 저장하는 캐릭터 정보 DB 및 상기 사용자의 인터넷 활동 지수 정보에 기초하여, 상기 사용자의 인터넷 사용 성향에 대한 피드백 정보를 상기 사용자에 대응하는 성장형 캐릭터를 통해 표현하는 성장형 캐릭터 제공 서버를 포함하고, 상기 성장형 캐릭터 제공 서버는, 상기 피드백 정보를 제공하기 위하여 상기 캐릭터 성장을 위한 인터넷 활동 지수의 요구 또는 제한을 출력하는 캐릭터 관리 모듈을 포함한다. 
       
     정보 서비스 제공 시스템, 인터넷 활동 지수, 성장형 캐릭터, 메타 태그
Patent KR-20090048899-A (KR)
Inventor: SONG CHOON GEUI
IPC: C07D477/18
Filed: 2007-11-12
Abstract: 본 발명은 카바폐넴계 항생제의 핵심 중간체인 비사이클릭 케토에스테르 화합물(bicyclic keto ester)을 제조하는 방법에 관한 것이다. 본 발명에 따른 카바폐넴계 항생제 중간체 제조 방법은 반응 용매를 바꿈으로써 로듐촉매의 활성을 높이고, 반응속도를 빠르게 할 뿐만 아니라 고가의 로듐 촉매의 사용량을 줄일 수 있어, 산업적인 측면에서 매우 경제적이고 유용하다.  
       
     다이아조 화합물, 비사이클릭 케토에스테르 화합물 로듐 촉매, 용매, 페넴계 항생제,
Patent KR-20090049859-A (KR)
Inventor: HAN SUNG MIN
IPC: H04N7/20
Filed: 2007-11-14
Abstract: 방송 신호 수신 및 통신 신호 중계용 양방향 갭필러 장치 및 그 신호 전송 방법이 개시된다. 본 발명에 따르면 방송 신호와 하향 통신 신호를 수신하여 이를 다시 무선 신호로 송신하고, 상향 통신 신호 송신을 위해 무신 신호를 수신함에 있어, 개개마다 정해진 방향성을 갖도록 설치된 지향성 안테나들 및 이들에 각각으로 연결된 리피팅부들을 활용한다. 이로써 전파 음영 지역에서도 양호한 통신 및 방송 신호의 송수신이 가능하다. 
     
     양방향 갭필러, 방송, 통신
Patent KR-20090050473-A (KR)
Inventor: BECK JONG MIN
IPC: H04W4/00
Filed: 2007-11-15
Abstract: 본 발명은 이동통신망에서의 메뉴 서비스 시스템 및 이를 이용한 이동통신 단말기의 메뉴 인터페이스 기술에 관한 것으로, 메뉴 서비스 시스템의 메뉴 리스트 제공 서버로부터 메뉴 리스트가 제공되면 제 1 단계의 메뉴가 선택되는지를 판단하고, 제 1 단계의 메뉴가 선택되면 제 1 단계의 메뉴 리스트를 이동통신 단말기의 외부에 표시하도록 하며, 제 1 단계의 메뉴 리스트를 제 1 메모리 영역에, 제 1 단계의 하위 단계인 제 2 단계의 메뉴 리스트를 제 2 메모리 영역에 각각 저장하도록 하고, 제 2 단계의 메뉴가 사용자에 의해 선택되면 제 2 단계의 메뉴 리스트를 이동통신 단말기의 외부에 표시하도록 하는 것을 특징으로 한다.  본 발명에 의하면, 무선 인터넷 사용시 이동통신 단말기의 제한된 용량 내에서도 메뉴 네비게이션(navigation)에 소요되는 시간을 줄일 수 있는 바, 무선 인터넷 서비스 및 콘텐츠 제공 서비스를 활성화하는 효과가 있다. 
       
     이동통신망, 메뉴 리스트,
Patent KR-20090052450-A (KR)
Inventor: PARK MYUNG WON
IPC: A41G3/00
Filed: 2007-11-21
Abstract: 본 발명은 전두형 가발로서 더욱 상세하게는 형상기억합금 또는 탄성이 좋은 금속이나 합성수지 재질로 만들어진 탄성골격과 벨크로 테이프를 사용하여 가발사용자의 머리에 꼭 맞으면서도 견고하게 밀착되는 전두형 가발이다. 
     본 발명의 구성의 요지를 살펴보면 가모가 이식되어 지는 가발베이스와 상기 가발베이스의 안쪽면에 형상기억합금 또는 탄성이 좋은 금속이나 합성수지재질로 만들어진 머리띠모양의 탄성골격을 놓고 상기 가발베이스의 안쪽면에 얇은합성수지 재질의 코팅막을 사용하여 상기 탄성골격을 가발베이스에 고정시키며, 후두부의 양쪽옆으로 탄성밴드를 부착하고 후두부의 중앙에 암.수 벨크로 테이프를 부착하여 가발이 견고하면서도 사용자의 두상에 꼭 맞게 밀착되게 함을 특징으로 한다. 
       
     전두형 가발, 형상기억합금, 머리띠, 벨크로 테이프, 가모
Patent KR-20090053490-A (KR)
Inventor: SUH SUNG DONG
IPC: G01R31/26
Filed: 2007-11-23
Abstract: 광학 전송수단을 구비한 프루브 카드 및 메모리 테스터가 개시된다. 개시된 프루브 카드는, 메모리에 형성된 테스트 단자와 연결되는 복수의 니들, 상기 니들과 연결된 복수의 제1단자, 외부로 연결되며, 상기 제1단자와 대응되는 복수의 제2단자, 상기 제1단자 및 상기 제2단자를 연결하는 광학 전송수단을 구비한다.
Patent KR-20080049661-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: KANEMOTO KEI
IPC: H01L21/3063
Filed: 2007-11-29
Abstract: A method for manufacturing a semiconductor device is provided to suppress bad influence on a first and second semiconductor layers by forming a buffer layer before forming a first semiconductor layer. An oxide layer is formed on a semiconductor substrate(1). A window section is formed by removing selectively the oxide layer. A substrate semiconductor layer(1a) is exposed within the window section. A first semiconductor layer(5) is formed to cover the substrate semiconductor layer. A second semiconductor layer(6) is formed to cover the first semiconductor layer. A supporter hole is formed by removing the second semiconductor layer and the first semiconductor layer. A supporter(12) is formed to cover an isolation region and to fill up the supporter hole. An end exposure surface is formed by etching the second semiconductor layer and the first semiconductor layer. The first semiconductor layer is removed. The second semiconductor layer is exposed by removing the supporter. A semiconductor device is formed on the second semiconductor layer.