baber/WOPTO huggingface dataset:
Patent KR-20090004309-A (KR)
Title: Semiconductor device and method for fabricating the same
Inventor: KITANO NAOMU
IPC: H01L21/336
Filed: 2007-08-09
Abstract: A semiconductor device and a manufacturing method thereof are provided to implement EOT less than 1.0nm, the low leakage current, and the hysteresis less than 20mV. The SiO2 film(or the SiON film)(102) is formed on a Si substrate(101). The Hf metal layer is sputtered on the SiON film. An HfSiO film(104) is formed by thermally oxidizing the Hf metal layer. The Ti metal layer is sputtered on the HfSiO film. A TiO2 film(106) is formed by thermally oxidizing the Ti metal layer. A TiN metal layer(107) is accumulated on the TiO2 film. The series of formation processes are coherently made under the vacuum state.
Patent KR-20080021505-A (KR)
Title: Coating apparatus
Inventor: MIYAMOTO HIDENORI
IPC: B05B3/14
Filed: 2007-08-20
Abstract: An application apparatus is provided to prevent a resonant state even if external vibration is transmitted, and to prevent an applied film from being uneven in thickness by fitting a resonance preventing member in a recessed part of a frame. An application apparatus for spreading application solution by moving a slit nozzle(4) on a board(W) placed on a stage(2), by a nozzle moving tool has a recessed part(30) installed at a frame(6) supporting the nozzle moving tool and a resonance preventing member(31) filled into the recessed part. The resonance preventing member has natural frequency different from that of the frame. The stage and the nozzle moving tool are supported to the frame. The frame is made of metal. The resonance preventing member is made of at least one selected from concrete, sand, rubber, water, and oil.
Patent KR-20090019633-A (KR)
Title: Electro-luminescent pixel and display panel and device having the same
Inventor: JUNG SANG HOON
IPC: G09G3/32
Filed: 2007-08-21
Abstract: An electroluminescence pixel and display panel and device having the same are provided to accurately answer to the pixel driving signal because the current flowing in the electroluminescent device is controlled by the pixel driving signal. The electroluminescence pixel is prepared. The first voltage line delivers the first potential voltage. The second voltage line delivers the second potential voltage and the reference potential voltage alternately. The electroluminescent device is connected between the first voltage line and the reference node. The first switch device controls the current amount flowing from the second voltage line to the reference node. The second switch device switches the pixel driving signal to be supplied to the control node from the data line. The capacitor(Cst) is connected between the control node and the reference node. The third switch device is connected to the first switch device in parallel and responses the scan signal.
Patent KR-20090023794-A (KR)
Title: Semiconductor memory device having cyclic redundancy coding device
Inventor: KIM BO KYEOM
IPC: G11C29/00
Filed: 2007-09-03
Abstract: A semiconductor memory device including a cyclic redundancy coding device is provided to reduce the number of logic and the number of line wiring by performing a logic assembly through several steps. A first pre-test signal generating part(120) outputs a plurality of bit data delivered through a first global line, a second global line, and a third global line as pre-test signals. A second pre-test signal generating part(140) outputs a plurality of bit data delivered through a fourth global line, a fifth global line, and a sixth global line as the pre-test signals. A third pre-test signal generating part(160) outputs a plurality of bit data delivered through a seventh global line, a eighth global line, and a data inversion line as the pre-test signals. A first test signal generating part(220) receives a plurality of pre-test signals of the first pre-test signal generating part and the second pre-test signal generating part, and outputs a plurality of test signals. A second test signal generating part(240) receives a plurality of pre-test signals of the third pre-test signal generating part and a ground voltage, and outputs a plurality of test signals. A cyclic redundancy test signal generating part(300) receives a plurality of test signals of the first test signal generating part and the second test signal generating part, and outputs a cyclic redundancy test signal of a plurality of bits.
Patent KR-20090024598-A (KR)
Title: High speed substrate processing system
Inventor: WI SOON IM
IPC: H01L21/68
Filed: 2007-09-04
Abstract: A high speed substrate processing system is provided to improve the productivity per area by efficiently using the space layout within the semiconductor manufacturing factory. The processing chamber(500) has the first substrate gateway(510) and a plurality of substrate support portions(520). The first transfer system(800) is installed inside the processing chamber and comprises a plurality of rotatable plate arms(810) for loading and unloading the processed substrate to the substrate support portion. The transfer chamber(400) is connected to the first substrate hole. And it has the second substrate hole(410). The second transfer system(600) is installed at the transfer chamber and exchanges the first transfer system and processed substrate through the first substrate hole.
Patent KR-20090030073-A (KR)
Title: Compound of anti-syndrome x, composition containing the same and method for producing the same
Inventor: SUNG BYUNG HOON
IPC: A61P3/00
Filed: 2007-09-19
Abstract: A compound of preventing and treat anti-syndrome X is provided to improve the symptom of metabolic syndrome including the decrease of blood glucose, hypertension and hyperlipidemia st the same time. A compound of preventing and treat anti-syndrome X are represented as the chemical formula 1. The composition of preventing and treat anti-syndrome X comprises 0.1-15 weight% of a compound of preventing and treat anti-syndrome X, 30-70 weight% of mushroom extract and 20-60 weight% of onion extract. The mushroom extract is the mycelium extract of Phellinus yucatensis and chaga mushroom.
Patent KR-20080029880-A (KR)
Title: Preform for precision press molding and process for producing optical element
Inventor: YAMAMOTO HIDEAKI
IPC: C03B11/08
Filed: 2007-09-28
Abstract: A precision press molding preform and a manufacturing method of optical element are provided to obtain a high-quality optical element in high productivity in precision press molding by controlling fluorine concentration on the surface and volatility of glass during process. A precision press molding preform consists of oxide glass comprising fluorine, and each of the light reflection factor and the surface free energy for both sides which face the opposite direction from the center of the precision molding preform each other, is different, respectively. The precision press molding preform has a axis of rotation symmetry, a primary curved surface having the axis and one of two intersection points on the surface, and a secondary curved surface having the axis and the other intersection point on the surface, and each of the surface face energy and the radius curvature for the primary curved surface and the secondary curved surface is different, respectively. A manufacturing method of optical element using the precision press molding preform comprises steps of: separating molten glass gob including the lower end of the molten glass flowed from pipe, and levitating the molten glass gob on the concave of the mold by wind pressure from gas spouted out of an outlet equipped in the concave in order to form preform while making no reversion of top and bottom, and the glass is oxide glass comprising fluorine. The light reflection factor is measured in an autocollimator having: a light controller(1), a sight controller(2), a collimator lens(3), a half-mirror(4), an objective lens(5) for a sample(6), a focusing lens(7), a half-prism(8), an ocular lens(9), a sight controller(10), a 2-dimensional cut filter(11), a diffraction grating(12), a mirror(13) and a line sensor(14).
Patent KR-20080054337-A (KR)
Title: Position detecting apparatus
Inventor: SHIBUE SHIGENORI
IPC: G03B21/00
Filed: 2007-09-28
Abstract: A position detecting apparatus is provided to accurately detect the position on a display screen of a display device although an obstacle is placed on the display screen by detecting the position of light projected to the front surface of the display screen by extracting an image from the rear surface of the screen. A position detecting apparatus includes a pair of display devices(2A,2B), an imaging device(3), an image processing device(4), a projector(12), an external interface(30), and a computer(31). The imaging device is arranged on the rear surface of the display devices and converts the light into an electric signal by extracting the light projected by the display devices from the display screen. The image processing device calculates the position of the display screen of the display devices by analyzing the electric signal obtained by the imaging device.
Patent KR-20090034090-A (KR)
Title: Method and system for providing multimedia chatting service
Inventor: HWANG JIN HO
IPC: H04W4/00
Filed: 2007-10-02
Abstract: A method and a system for providing a multimedia chatting service are provided to enable an MRF server to relay image data for multimedia chatting between the first user device and the second user device. A multimedia chatting connection request message is transmitted from the first user device(S201). A connection request message is transmitted to an MRF(Multimedia Resource Function)(S202). The connection request message including session information of the MRF is transmitted to the second user device(S206). A response message including session information of the second user device is transmitted from the second user device(S209). Image data are provided through the MRF between the first user device and the second user device(S210, S211).
Patent KR-20090034139-A (KR)
Title: Method of preparing zinc ferrite catalysts using buffer solution and method of preparing 1,3-butadiene using said catalysts
Inventor: CHUNG YOUNG MIN
IPC: B01J23/80
Filed: 2007-10-02
Abstract: A method of manufacturing zinc ferrite catalysts and a method of manufacturing 1,3-butadiene using the zinc ferrite catalysts are provided to make a superior zinc ferrite catalyst having a simple compositional component, superior reproducibility, a simple synthetic pathway. A method of manufacturing a zinc ferrite catalyst for preparation of 1,3-butadiene comprises the following steps of: dissolving a zinc precursor and an iron precursor on distilled water; coprecipitating zinc ferrite by titrating an aqueous precursor solution on a buffer solution having pH of 6 ~ 10; obtaining a solid sample by filtering a mixed solution; and performing heat treatment in 350 ~ 800°C after drying the solid sample in 70 ~ 200°C.
Patent KR-20090034612-A (KR)
Title: Imaging lens
Inventor: LEE JUNG YUL
IPC: G02B3/02
Filed: 2007-10-04
Abstract: An imaging lens having four lenses is provided to perform a stabilized performance by arranging an iris diaphragm between a first lens and a second lens. An imaging lens includes a first lens(110), a second lens(120), a third lens(130), and a fourth lens(140). The first lens, the second lens, and the third lens have a positive refractive index. The fourth lens has a negative refractive index. An infrared filter(200) filters an infrared ray. An iris diaphragm(150) is positioned between the first lens and the second lens, controls a light amount, and blocks an unnecessary light. The first lens, the second lens, and the third lens are meniscus lens. The fourth lens is biconcave.
Patent KR-20090035148-A (KR)
Title: Trailing arm mounting device of small size frame in vehicle
Inventor: AN YONG DOK
IPC: B60G7/02
Filed: 2007-10-05
Abstract: A trailing arm mounting device of small frame vehicle is provided. A trailing arm mounting device of small frame vehicle comprises a cross member(2) which crosses the width, a small frame(1) which forms the frame of the passenger car, and a mounting assay(3) in which a trailing arm comprising the suspension is connected. The mounting assay includes a body mounting bracket(4) which assembles the small frame with the car body, a mounting bracket(5) which is placed to the inside of small frame, and an outer mounting bracket which is combined to the inner mounting bracket from the outside of small frame.
Patent KR-20090035869-A (KR)
Title: Organic semiconductor device
Inventor: LEE SUNG HUN
IPC: H01L51/00
Filed: 2007-10-08
Abstract: An organic semiconductor device is provided to predict increment and reduction of turn on voltage by changing the thickness of a depletion layer according to doping concentration. An organic semiconductor device comprises a doped p-type organic semiconductor layer(11) and a doped n-type semiconductor layer(12). The p-type organic semiconductor layer and the n-type organic semiconductor layer have a potential barrier through a p-n junction. A first electrode(10) and a second electrode(13) are formed at both sides of two semiconductor layers. The organic p-n junction semiconductor device has the off-state and on-state in the off voltage range between the second turn on voltage and the first turn on voltage. A tunneling current to the size of the reverse bias voltage is exponentially reduced in the voltage below the first turn-on voltage, and it is exponentially increased in forward bias voltage. The organic semiconductor has a bidirectional tunneling effect.
Patent KR-20090035897-A (KR)
Title: Motor controller of air conditioner
Inventor: KIM DAI HYUN
IPC: F24F1/20
Filed: 2007-10-08
Abstract: A motor control device of an air-conditioner is provided to facilitate replacement by modularizing a converter and perform DC power supply conversion efficiently according to the capacity of an air-conditioner by replacing a converter module and a three phase bridge diode. A motor control device of an air-conditioner comprises: a plurality of switching elements for converters converting 3 phase AC power into DC power supply; and a converter(210) detachably modularized in order to be replaced with other modules. An inverter(220) comprises a plurality of switching element for the inverter to convert DC power into AC power having fixed frequency and supply the AC power to a three-phase electric motor. A converter microcomputer(240) and an inverter microcomputer(230) control the switching operation of the inverter and the converter.
Patent KR-20090038308-A (KR)
Title: Memory device comprising split gate and method of operating the same
Inventor: JIN YOUNG GU
IPC: H01L27/115
Filed: 2007-10-15
Abstract: A memory device comprising a split gate and method of operating the same is provided to prevent data from being read from the other array excluding selection arrays by applying a suitable voltage to an auxiliary carry control unit. A first and a second impurity regions(12, 14) are formed in a substrate(10) while being separated from each other. A plurality of gate stacks is formed on the substrate between the first and the second impurity regions, and gate stacks are arranged on of the substrate. The gate stack comprises a tunneling film, a charge storage layer, a shield, and a gate electrode. The shield is formed by an oxide film preventing diffusion of a carrier, and the gate electrode is at the center of the gate stack. The shield, a charge storage layer, and tunneling film successively surround the circumference of the gate electrode.
Patent KR-20090039926-A (KR)
Title: Method for manufacturing of mos device with dual gate structure
Inventor: KIM JA YOUNG
IPC: H01L29/78
Filed: 2007-10-19
Abstract: A method for manufacturing an MOS device with a dual gate structure is provided to minimize contamination in a surface of a substrate by using a thick gate oxide layer as a passivation layer not to expose the substrate. A thin gate oxide layer is formed along the whole surface of the upper part of a substrate(100). A polysilicon layer is deposited in the whole surface of the upper part of the thin gate oxide layer. The substrate is classified into a low voltage region and a high voltage region. The thin gate oxide layer is formed in the low voltage region. The thick gate oxide layer is formed in the high voltage region. A native oxide layer of the low voltage region and the native oxide film of the high voltage region are formed at the same time. A photoresist pattern is formed in the high voltage region.
Patent KR-20090043666-A (KR)
Inventor: HUH JAE HYUNG
IPC: G06Q50/10
Filed: 2007-10-30
Abstract: 본 발명은 온라인 전자상거래 시, 소비자에게 보다 현장감 있는 서비스를 제공하기 위한 현장 사운드 제공 시스템 및 방법에 관한 것이다. 
     본 발명은 상품을 판매하거나 또는 부가 서비스를 제공하는 복수의 온라인 매장을 사용자가 유무선 단말기를 통하여 이용할 수 있도록 제공하고, 사용자가 온라인 매장을 이용함에 따라 발생하는 사용자 위치 및 사용자 사운드 정보를 현장 사운드 제공 서버로 제공하며, 사용자가 특정 온라인 매장에 접근하는 경우 현장 사운드 제공 서버로부터 전달된 현장 사운드를 출력하는 포털 서비스 제공 서버; 및 포털 서비스 제공 서버로부터 전송되는 복수의 사용자 위치 및 사용자사운드 정보를 매장/상품별로 구분한 후, 취합하여 현장 사운드 정보를 생성하고, 사용자가 특정 온라인 매장에 접근함에 따라, 해당 온라인 매장에 매칭되는 현장 사운드를 포털 서비스 제공 서버로 제공하는 현장 사운드 제공 서버;를 포함하여, 온라인 전자상거래 시, 오프라인 상거래에서 느낄 수 있는 현장감을 소비자에게 제공하기 때문에, 소비자가 종래에 비해 보다 흥미를 갖고 쇼핑을 즐길 수 있다는 장점이 있다.
Patent KR-20090045782-A (KR)
Title: Ｌｅｄ 조명등
Inventor: YANG CHAN YOUNG
IPC: F21S2/00
Filed: 2007-11-02
Abstract: 본 발명은 별도의 방열을 위한 팬을 설치하지 않아도 방열효율이 극대화된 LED 조명등에 관한 것으로, 본 발명에 따른 LED 조명등은 링형태로 이루어지며 그 원주를 따라 방열날개가 결합된 방열날개 실장 함체와; 적어도 하나의 LED가 실장되는 전열성 기판과; 상기 LED가 실장된 전열성 기판을 실장하며, 상기 방열날개 실장 함체의 내부 원주면과 대응·결합하고, 다수의 방열핀 및 열전도용 블럭이 형성된 전열성 기판 실장 함체와; 외부 전원기구에 결합되는 소켓을 구비하여 이루어진다.  
       
     LED 조명등, 방열, 날개,
Patent KR-20090047793-A (KR)
Inventor: YANG HO JHO
IPC: F25B39/00
Filed: 2007-11-08
Abstract: 본 발명은 쿨링타워를 이용하여 여름철 실내냉방을 수행하는 수냉식 냉방장치에 관한 것이다.  
     본 발명은 냉매의 열교환을 위한 쿨링코일 형태의 냉각기를 구비하여 쿨링타워와 냉각기를 일체형으로 제작한 새로운 형태의 수냉식 냉방 시스템을 구현함으로써, 설치공간의 효율성을 높일 수 있고, 냉동능력 향상 및 전력소모 감소를 도모할 수 있는 수냉식 냉각장치를 제공한다.  
       
     냉방장치, 공냉식, 수냉식, 쿨링타워, 냉각기, 일체형
Patent KR-20090054336-A (KR)
Inventor: KIM EUNG JIN
IPC: G06Q30/06
Filed: 2007-11-26
Abstract: 본 발명은 선불카드의 실시간 판매 시스템, 및 방법에 관한 것으로, 특히 단말기를 이용하여 실시간으로 선불카드의 식별번호를 발행, 및 인증하는 선불카드의 실시간 판매 방법, 및 시스템에 관한 것이다.  
     이를 위해 본 발명은, POS 단말기, 신용카드 단말기, 및 PC 중 어느 하나를 이용하며, 구입하고자 하는 선불카드의 금액, 및 단말기 정보를 서버로 송신하고, 서버에서 수신된 식별번호를 출력하여 고객에게 제공한다. 
     또한 비활성화 상태의 선불카드를 매장에 비치하여, 바코드 리더기, 및 마그네틱 리더기에서 리딩 후, 서버로 선불카드 활성화 요청을 하고, 서버에서의 인증을 거친 선불카드는 활성화된다. 
       
     선불카드, 바코드, 서버, 신용카드 단말기, PC, POS, 마그네틱
Patent KR-20090058054-A (KR)
Title: Driving method for liquid crystal display device
Inventor: JOUNG JI WON
IPC: G09G3/20
Filed: 2007-12-04
Abstract: A driving method for a liquid crystal display device is provided to improve a latch-up without an additional hardware by boosting a driving voltage to two second steps. In a driving method for a liquid crystal display device, a first driving voltage is supplied to a liquid crystal display(st1). The first driving voltage is boosted, and a first boosting voltage is outputted(st2). The first boosting voltage is boosted, and a second boosting voltage is outputted(St3). After the boosting voltage of the second boosting voltage is boosted, the scan signal is outputted to a liquid crystal panel through a gate driver(st4).
Patent KR-20080052422-A (KR)
Title: Retaining ring for fluid pressure cylinder
Inventor: TOKUMOTO SHIOTO
IPC: F15B15/20
Filed: 2007-12-04
Abstract: A retaining ring for a hydraulic cylinder is provided to be firmly installed for fixing cover members to a cylinder body having a cylinder chamber with an oval cross section. A retaining ring(28a,28b) is installed inside a hydraulic cylinder(10) in which a piston(18) installed in a cylinder body(12) with a cylinder chamber(20) is displaced by fluid pressure and fixes cover members(14,16) installed at ends of the cylinder body. The retaining ring for the hydraulic cylinder includes a bent part(84), a pair of straight parts(86), and a pair of expanding parts(90). The bent part is installed on an inner wall of the cylinder chamber to be bent along the inner wall of the cylinder chamber. The pair of straight parts are extended from both ends of the bent part and arranged in substantially parallel with each other. The pair of expanding parts are arranged at the straight parts and have hole parts to insert tools. The bent part and the straight parts are deformed to be spaced apart from the inner wall of the cylinder chamber by the tools inserted into the hole parts of the expanding parts.
Patent KR-20090058328-A (KR)
Inventor: OH SUK MAN
IPC: B65D47/26
Filed: 2007-12-04
Abstract: 본 발명은 글리터가 수용되는 용기에 뚜껑첨단부에 뚜껑관통구멍을 가지는 용기뚜껑이 나선 결합 고정되도록 하고, 상기 용기뚜껑의 뚜껑첨단부에 회동제어뚜껑이 결합되어 일정각도로 회동가능하게 하여, 용기의 용기뚜껑을 분리시키지 않고, 회동제어뚜껑의 회동제어만으로, 용기뚜껑의 뚜껑관통구멍이 상기 회동제어뚜껑에 형성한 분기구멍과 연결되어 통하여 결국, 글리터가 용기로부터 용기뚜껑과 회동제어뚜껑을 통하여 상기 분기구멍과 연결된 추출구멍을 통하여, 원하는 소량의 정량을 외부로 추출할 수 있고, 용기로부터의 글리터의 추출을 마친 후에는 용기의 용기뚜껑의 회동제어뚜껑을 잠금방향으로 회전시킴으로서, 상기 회동제어뚜껑의 분기구멍과 용기뚜껑의 뚜껑관통구멍의 어긋맞물림으로 회동제어뚜껑의 추출구멍을 밀봉시킬 수 있는 글리터 소량 추출용기에 관한 것으로, 본 발명은 글리터가 수용되는 용기의 개구부에 용기뚜껑 등이 결합되는 글리터 소량 추출용기에 있어서, 첨단에 뚜껑관통구멍(260)이 뚫리고, 둘레면에 대향하게 형성한 제어홈(240)들을 가지는 뚜껑첨단부(210)가 형성되어 있는 용기뚜껑(200)과; 상기 용기뚜껑(200)의 뚜껑첨단부(210)에 결합되어 상기 제어홈(240)들에 회동제어되고, 상기 용기뚜껑(200)의 뚜껑관통구멍(260)에 대하여 분기구멍(330)을 사이에 두고 개폐가능한 추출구멍(340)을 가지는 회동제어뚜껑(300);으로 구성되어 있고, 또한 본 발명의 상기 용기뚜껑(200)의 뚜껑첨단부(210)에 회동제어뚜껑(300)이 패킹(400)에 의하여 밀폐 결합되고, 회동제어뚜껑(300)의 안쪽에 대향하게 형성한 돌출턱(310)들이 상 기 용기뚜껑(200)의 뚜껑첨단부(210)의 제어홈(240)들에 결합되어 회동이 제한되도록 되어 있으며, 또한 본 발명의 상기 용기뚜껑(200)의 뚜껑첨단부(210)로부터 회동제어뚜껑(300)의 회동제어는, 용기뚜껑(200)의 뚜껑관통구멍(260)과 상기 회동제어뚜껑(300)의 분기구멍(330)을 개폐하여, 회동제어뚜껑(300)의 추출구멍(340)으로의 용기(100)내의 글리터의 추출을 제한한다. 
       
     용기, 용기뚜껑, 회동제어뚜껑, 글리터, 뚜껑관통구멍, 추출구멍, 분기구멍, 뚜껑첨단부, 패킹, 돌출턱
Patent KR-20090058607-A (KR)
Title: Remote storage service system and metho in internet advanced technology attachment based
Inventor: LIM HYO TAEK
IPC: G06F13/00
Filed: 2007-12-05
Abstract: An advanced technology attachment based remote storage service system and a method thereof are provided to use an ATA(Advanced Technology Attachment) storage as a local device through the internet, thereby facilitating installation. A client(100) transceives a message of an IATA(Internet Advanced Technology Attachment) PDU(Protocol Data Unit) after the client accesses the internet. The client recognizes an ATA storage(122) at a remote place as a local device. An IATA computer(120) has one or more ATA storages. The IATA computer provides the IATA storage allocated to the client through the internet as the local device of the client.
Patent KR-20090058867-A (KR)
Title: 전후 이동 의자와 상하 이동 책상을 결합한 의자 일체형책상
Inventor: LEE CHANG WOOK
IPC: A47B41/00
Filed: 2007-12-05
Abstract: 본 발명에 따른 의자 일체형 책상은 의자가 수평으로 움직이는 부분과 상기 		본체프레임에 승강 가능하게 수직으로 결합 되는 높이조정프레임으로 구성되		어 사용자의 신체의 크기에 따라 책상의 상판의 높이를 손쉽게 조절하거나 		의자와 책상 간의 거리를 좁히거나 하는 것이 가능하게 되어 사용상의 편리		를 도모하였다. 
     
     의자, 책상
Patent KR-20090059673-A (KR)
Title: Folding stand for laundry
Inventor: LEE SANG HWA
IPC: D06F57/00
Filed: 2007-12-07
Abstract: A supporting device of a laundry drying rack leg is provided to increase the availability of the indoor space by reducing the space where a leg pole occupies. A supporting device of a laundry drying rack leg comprises: a hanger and a leg established in both sides to erectly stand. The hanger is fixed to the hanger. An extension bar(20) slides by being inserted in a separated space of a support frame consisting of an upper frame(11) and a bottom frame(12). The bottom frame has a slide projection unit(14) protruding to the top. The extension bar is settled in the slide projection unit. The upper frame is combined in the bottom frame in order to surround the extension bar.
Patent KR-20090059830-A (KR)
Title: Apparatus for fixing specimen having a curved surface
Inventor: CHA JIN HO
IPC: G01N3/00
Filed: 2007-12-07
Abstract: An apparatus for fixing a specimen having a curved surface is provided to obtain accurate test data and evaluate the mechanical property a specimen exactly. An apparatus for fixing a specimen having a curved surface comprises a grip part(20) connected to a tester, and a test piece clamping part(40) connected to the grip part via a connector(30). The grip part is moved by the power source of the tester to extend or compress the specimen. The grip part is composed of a fixing unit(21) fixed to the tester and a moving unit(22) which is movably connected to the tester.