baber/WOPTO huggingface dataset:
Patent KR-20060027789-A (KR)
Title: Compounds having prolyl oligopeptidase inhibitory activity
Inventor: GYNTHER JUKKA
IPC: C07D207/16
Filed: 2004-01-02
Abstract: The invention provides a compound of formula (I), wherein in the formula X, R1, R2 and R 3 are as defined in claim 1, or a pharmaceutically acceptable salt or ester thereof, useful as a prolyl oligopeptidase inhibitor. The compounds of formula (I) can be used for the treatment of diseases or conditions where prolyl oligopeptidase inhibitors are indicated to be effective, for example for the treatment of neurodegenerative diseases, such as Alzheimer's disease and senile dementia.
Patent KR-20050095629-A (KR)
Title: Electrical connection device for bushing which supplies filaments, such as glass filaments
Inventor: RENAUDIN JEAN PIERRE
IPC: H01R11/26
Filed: 2004-01-15
Abstract: The invention relates to an electrical connection device (3) which is intended to supply power to a bushing supplying filaments, such as glass filaments, and comprising a connecting jaw (4). The invention is characterised in that it also comprises an electrical connection part (5) with no protective sheath, which consists of a flexible body (50), one end (51) which is connected to the aforementioned jaw (4) and an opposing free end (52).
Patent KR-20050095656-A (KR)
Title: Wireless transmit/receive units having multiple receivers and methods
Inventor: KAZAKEVICH LEONID
IPC: H04B7/005
Filed: 2003-11-14
Abstract: A wireless transmit/receive unit (WTRU) (10) has multiple receivers (12a, 12b) with an interface to combine received signals (20) to provided enhanced reception. A control unit (30) selectively controls the powering of the receivers to limit power consumption based on selected parameters.
Patent KR-20050110677-A (KR)
Title: Method for surface preparation of solid substances and surface-prepared solid substances
Inventor: MORI YASUHIRO
IPC: B05D1/08
Filed: 2003-05-06
Abstract: A method for surface preparation of solid substances by which the solid substances can be improved in the tight adhesion to coating films made from ultraviolet-curing resins or the like; and surface-prepared solid substances. The method comprises treating the whole or part of a solid substance with a flame of a fuel gas containing a specific silicon compound having a flash point ranging from 0 to 100°C and a boiling point ranging from 105 to 250°C, e.g., hexamethyldisilazane, vinyltri- methoxysilane, trifluoropropyltrimethoxysilane, or 3-chloro- propyltrimethoxysilane to conduct flame silicification.
Patent KR-20050110691-A (KR)
Title: Blood filter device and method of producing the same
Inventor: KAWARABATA SHIGEKI
IPC: A61M1/36
Filed: 2004-03-22
Abstract: A blood filter device has a dome portion (2), a housing (1) with a filter-retaining portion (3) and a bottom portion (4), a flow inlet (5) into which blood is caused to flow horizontally in the direction along the inner wall of the dome portion, an air outlet (6) provided in the top of the dome portion, a filter (8) provided in the filter-retaining portion and filtering foreign objects in the blood, and a flow outlet (7) provided in the bottom portion and from which the blood flows out. The blood flowed from the flow inlet into the dome portion passes the filter-retaining portion and flows out from the flow outlet. The filter is a sheet-like filter material folded to form pleats (8a), has, as a whole, a planar plate-like outer shape with the envelope connecting the vertexes of each pleat being flat, and is installed so as to partition the cavity of the housing into the dome portion side and the bottom portion side. The filter effectively removes impurities, thrombi, etc. in blood. Air bubbles remaining in the filter are removed easily.
Patent KR-20050115306-A (KR)
Title: Method of stabilizing 1,4-dihydroxy-2-naphthoic acid
Inventor: ISAWA KAKUHEI
IPC: A23L3/3508
Filed: 2004-03-26
Abstract: A method of stabilizing 1,4-dihydroxy-2-naphthoic acid, characterized in that the amount of oxygen dissolved in a solution containing 1,4- dihydroxy-2-naphthoic acid is reduced; and a food or beverage which contains 1,4-dihydroxy-2-naphthoic acid.
Patent KR-20050123134-A (KR)
Title: Compositions and methods for detecting certain flaviviruses, including members of the japanese encephalitis virus serogroup
Inventor: YOUNG KAREN K Y
IPC: C12Q1/70
Filed: 2004-03-30
Abstract: The present invention provides rapid and accurate methods, primers, probes and kits for identifying the presence of a certain flaviviruses in a sample. Flaviviruses that can be detected include members of the Japanese encephalitis virus serogroup, Dengue virus, St. Louis encephalitis virus, Montana myotis leukoencephalitis virus, Modoc virus, ad Yellow Fever virus. The primers and probes of the invention can hybridize to regions in the 3' untranslated region of the viral genomes to be detected.
Patent KR-20060023956-A (KR)
Title: Operating systems
Inventor: LESCOUET ERIC
IPC: G06F9/48
Filed: 2004-04-07
Abstract: A method of enabling multiple different operating systems to run concurrently on the same computer, comprising selecting a first operating system to have a relatively high priority (the realtime operating system, such as C5); selecting at least one secondary operating system to have a relatively lower priority (the general purpose operating system, such as Linux); providing a common program (a hardware resource dispatcher similar to a nanokernel) arranged to switch between said operating systems under predetermined conditions; and providing modifications to said first and second operating systems to allow them to be controlled by said common program.
Patent KR-20060015531-A (KR)
Title: Compositions and methods for the therapy of inflammatory bowel disease
Inventor: PICKFORD LESLEY B
IPC: A61K38/21
Filed: 2004-04-23
Abstract: Compositions and methods for the therapy of Inflammatory Bowel Disease (IBD), including Celiac Disease, Crohn's Disease, and Ulcerative Colitis, are disclosed. Illustrative compositions comprise one or more anti-type 1 interferon antagonists, such as anti-type 1 interferon receptor antibody antagonists and fragments thereof, as well as polypeptides and small molecules that inhibit the interaction of type 1 interferon with its receptor (IFNAR).
Patent KR-20060007415-A (KR)
Title: Image signal processing method, image signal processing apparatus, and image displaying apparatus
Inventor: YAMADA KAZUHIRO
IPC: H04N5/44
Filed: 2005-03-02
Abstract: An image signal processing method for nonlinear correcting image signals to be inputted to a display device (103), wherein the nonlinear correction characteristic is modified based on a brightness of the place where the display device (103) is located. According to this method, even when the display brightness of the display device (103) uniformly rises due to the ambient light, the characteristic of the brightness perceived by human being for image signals can be made linear.
Patent KR-20060009282-A (KR)
Title: Sealant for liquid crystal and liquid crystal display cell made with the same
Inventor: OCHI NAOYUKI
IPC: G02F1/1339
Filed: 2004-05-18
Abstract: A sealant for liquid crystals which is extremely less apt to contaminate liquid crystals and has high adhesion strength. It is characterized by comprising as essential ingredients (a) a radiation-curable resin represented by the general formula (1), (b) a photopolymerization initiator, and (c) an inorganic filler having an average particle diameter of 3 mum or smaller. [Chemical Formula 1] (In the formula, R1 represents hydrogen or methyl; R2 represents hydrogen, halogeno, hydroxy, C1-10 monovalent alkyl which is linear, branched, or cyclic, or C1-10 alkoxy; m is an integer of 1 to 4 and the m's may be the same or different; R 3 represents hydrogen or methyl; and n, which indicates the number of repeating units, is a positive number in the range of 0 to 20.)
Patent KR-20060005008-A (KR)
Title: Stack supported solid oxide fuel cell
Inventor: KWON OH HUN
IPC: H01M8/02
Filed: 2004-06-09
Abstract: The disclosure is directed to a solid oxide fuel cell stack. The solid oxide fuel cell stack includes at least two solid oxide fuel cells. The two solid oxide fuel cells share a common electrode.
Patent KR-20060017544-A (KR)
Title: Tetrahydrocarbazole derivatives and their pharmaceutical use
Inventor: BOGGS SHARON DAVIS
IPC: C07D209/88
Filed: 2004-06-07
Abstract: The present invention relates to novel compounds of formula (I), that are useful in the treatment of human papillomaviruses, and also to the methods for the making and use of such compounds.
Patent KR-20060017891-A (KR)
Inventor: REE MOON HOR
IPC: H01L21/31
Filed: 2006-01-10
Abstract: 본 발명은 중심-껍질(core-shell) 구조의 나노입자를 이용한 저유전성 절연막의 제조방법 및 이로부터 제조되는 저유전성 절연막에 관한 것으로서, 보다 상세하게는 그물망구조의 유기 고분자 중심 입자; 및 상기 유기 고분자 중심 입자를 둘러싸며, 실세스퀴옥산 전중합체로 이루어진 껍질층을 포함하는 중심-껍질(core-shell) 구조의 나노 입자를 이용한 저유전성 절연막의 제조방법 및 이로부터 제조되는 저유전성 절연막에 관한 것이다.  
       
     중심-껍질 구조, 그물망구조 유기 고분자, 실세스퀴옥산, 절연막, 유전상수
Patent KR-20070074996-A (KR)
Title: 3-d operating type stereoscopic camera apparatus
Inventor: JUN JAE WOO
IPC: H04N13/00
Filed: 2006-01-11
Abstract: A three-dimensional operating type stereoscopic camera device is provided to achieve imaging effect similar to that of the human eye and easily measure a distance to a desired position without using a distance measuring instrument. A three-dimensional operating type stereoscopic camera device includes a camera assembly(10), a horizontal rotation driver(20), a vertical rotation driver(30), and a base plate(40). The camera assembly includes first and second stereoscopic cameras(11,12) and a camera driver(13) for simultaneously rotating the first and second stereoscopic cameras at the same angle in symmetrical directions. The horizontal rotation driver rotates the camera assembly on a horizontal plane. The vertical rotation driver rotates the horizontal rotation driver on a vertical plane at a predetermined angle. The base plate fixes and supports the vertical rotation driver.
Patent KR-20070076852-A (KR)
Title: Digital-analog converter and data driver, flat panel display using thereof
Inventor: KWON OH KYONG
IPC: H03M1/66
Filed: 2006-01-20
Abstract: A D/A converter, a data driver, and a flat panel display having the data driver are provided to reduce the size and power consumption of the DAC(Digital/Analog Converter) by generating a grayscale voltage through charge sharing between adjacent data lines. A DAC includes a grayscale generator(310), a switching signal generator(330), and a reference voltage generator(320). The grayscale generator uses a parasitic capacitance component in at least two data lines as a sampling capacitor and a holding capacitor and generates a desired grayscale voltage through charge sharing between the data lines. The switching signal generator provides operation control signals for plural switches included in the grayscale generator. The reference voltage generator generates a reference voltage and provides the reference voltage to the grayscale generator. The grayscale generator includes the sampling capacitor, the holding capacitor, and first to fourth capacitors.
Patent KR-20070080687-A (KR)
Title: Flat type blushless vibration motor
Inventor: PARK YOUNG IL
IPC: H02K3/28
Filed: 2006-02-08
Abstract: A flat type blushless vibration motor is provided to reduce a disconnection error of an electric wire by increasing a diameter of a field coil. A flat type blushless vibration motor includes switching elements(P1,P2), field coils, and a controller(60). Two switching elements are paired to form one couple. Three couples are parallel-arranged between a DC source and a ground, so that the DC source is switched on and off. A third field coil is series-connected to a second field coil. First ends of first to fourth field coils(C1,C2,C3,C4) are connected to contact points of the switching elements in the couple, respectively. Second electrodes of the field coils are connected in a Y configuration. The controller controls the switching elements, so that currents are simultaneously applied on two lines which are connected to a contact point of the Y configuration.
Patent KR-20070081503-A (KR)
Title: Display device for line up state of tires of car
Inventor: HAN DONG SUK
IPC: B62D3/12
Filed: 2006-02-13
Abstract: An apparatus for displaying a tire alignment state of a vehicle is provided to prevent safety accident by warning a driver that the tires are maximally rotated in steering operation. An apparatus for displaying a tire alignment state of a vehicle comprises a magnet(1) installed at a part of a rack piston(22) for shifting a rack bar(21) leftward and rightward by using oil pressure. A pair of magnetic sensors(2,3) are installed at the outer peripheral surface of a rack cylinder(23) while being spaced apart from each other. A microcomputer(4) determines a tire alignment state using signals input from the magnetic sensors(2,3) and outputs control signals for displaying the alignment state. A display unit(6) displays the alignment state of the tires according to the control signals input from the microcomputer(4).
Patent KR-20060096290-A (KR)
Inventor: IGARASHI ISAO
IPC: H01R13/514
Filed: 2006-02-21
Abstract: 하우징의 결합면으로부터 돌출하는 한 쌍의 위치결정용 안내부를 설치한 전기 커넥터에 있어서, 신호용 콘택트와 전원용 콘택트의 단락을 확실하게 방지할 수 있는 전기 커넥터 및 전기 커넥터 조립체를 제공한다. 
     상호 결합하는 전기 커넥터(2) 및 상대 커넥터(3)에 의해 전기 커넥터 조립체(1)를 구성한다.  전기 커넥터(2)는 결합면으로부터 돌출하는 한 쌍의 위치결정용 안내부(13)를 갖는 하우징(10)과, 하우징(10)에 설치된 신호용 콘택트(21) 및 전원용 콘택트(22)를 구비하고 있다.  하우징(10)에는 신호용 콘택트(21)와 전원용 콘택트(22)의 사이를 구분하는 격벽(15)이 설치되어 있다. 
       
     신호용 콘택트, 전원용 콘택트, 격벽, 위치결정용 안내부
Patent KR-20060096304-A (KR)
Inventor: SAKAMOTO MASAYOSHI
IPC: F16J15/02
Filed: 2006-02-28
Abstract: 실린더에 장착해서 강하게 체결했을 때에 비드가 구부러지는 것을 간단한 수단으로 억제하여, 밀봉 비드에 느슨함이 발생하는 것을 억제한 금속적층형 개스킷을 제공한다.  
     금속적층형 개스킷(1)을, 금속기판(11)과 보조판(21)을 포함하는 복수장의 금속판의 적층에 의해 구성한다. 상기 금속기판(11)에는, 연소실 구멍에 대응하는 보어 구멍(12)을 형성하고, 그 주위의 보어 밀봉부(13)에 밀봉 비드(14)를 형성하는 동시에, 상기 유체 구멍에 대응하는 통과구멍(15)을 형성하고, 상기 보조판(21)은, 금속기판의 보어 밀봉부(13)에 대응하는 부분을 절제하고, 또한, 상기 유체 구멍에 대응하는 통과구멍(23)을 형성하고 있다. 그것에 의해, 상기 금속기판의 보어 밀봉부(13)에 있어서의 판두께를 금속기판(11)과 보조판(21)의 적층 부분의 판두께 합계보다 얇게 한다.
Patent KR-20070092896-A (KR)
Title: Liquid crystal display device
Inventor: TAK YOUNG MI
IPC: G02F1/1343
Filed: 2006-03-09
Abstract: An LCD(Liquid Crystal Display) device is provided to reduce an area by forming an aperture in a plate type common electrode, thereby preventing storage capacitance from being formed more than needed. An LCD(Liquid Crystal Display) device comprises the followings: a gate line and a data line which are vertically crossed on a substrate and define a pixel; a TFT(Thin Film Transistor)(111) which is arranged at an intersection of the gate line and the data line; a common line in parallel to the gate line; a pixel electrode(117) which is connected to the TFT, and insulated from the common line and has plural slits(160); and a plate type common electrode(124) which is contacted with the common line, and insulated from the pixel electrode and has an aperture(161) in an area between the slits.
Patent KR-20060102501-A (KR)
Inventor: MASAO KAWAI
IPC: D05B65/00
Filed: 2006-03-21
Abstract: 지그재그 바느질 재봉틀이 개시된다. 침판 아래에서 회전하는 북집부의 한 면에 고정된 바늘 받이의 일부를 뚫어서 형성하며, 바늘의 바늘 끝을 지지하는 지지면과, 그 지지면에 바늘 끝을 유도하는 리드면을 가지는 바늘 받이를 설치한 구성에 있어서, 지지면의 일부를 바늘 받이판에 연결하는 다리부의 측면에서, 이 다리부를 포함해서 절단하여 형성되는 절삭부를 설치하는 구성에 의하여, 바늘 받이의 지지면과 바늘과의 닿음 조정을 용이하게 하고, 지지면에 지지된 바늘과, 북집부와 함께 회전하는 훅 포인트와의 상대 위치를 적정하게 유지하며, 양질의 바느질을 실시하는 것이 가능하다. 
       
     지그재그, 바느질, 재봉틀
Patent KR-20070096210-A (KR)
Title: Microorganism medium
Inventor: YU CHANG WOO
IPC: C12M1/02
Filed: 2006-03-21
Abstract: A microorganism fermenter is provided to promote growth of microorganisms and reduce culture period of time by serving optimal fermentation conditions to various microorganisms, reduce the costs for manufacturing the fermenter and its maintenance by culturing various kinds of microorganisms, and improve convenience of assembly and dissociation for fermenter. A microorganism fermenter comprises: an outer case(200); a control panel(980) for control of microorganism culture; a culture vessel for performing microorganism culture; an opening for discharging culture-finished microorganisms in front side of the culture tank; an inner space-observing hole(216) for checking water volume in the culture vessel; an opening/closing portion(820) for opening and closing the opening which is formed by connecting a plurality of rectangular plates collapsibly; air ventilation holes in the rear side of the outer case; an opened hole for repairing and exchanging inner devices; an opened hole-opening/closing portion; a running tool for running the fermenter; a photosynthesis-supplying tool; a heating tool; a drawer type table(150) for discharging culture-finished microorganisms on which a microorganism-receiving vessel for receiving culture-finished microorganisms is placed; and an agitation tool.
Patent KR-20070095721-A (KR)
Title: System and method for trade protecting of electronic commercial
Inventor: CHON DAL YONG
IPC: G06Q30/06
Filed: 2006-03-22
Abstract: A system and a method for protecting EC trading are provided to perform a payment process smoothly between a buyer and a seller, and make the seller expect a return intention of the buyer by basically removing time delay occurring in a user delivery confirmation process in an escrow system. A shopping mall server(3) enables a buyer terminal(1) to buy and pay goods. A paid goods price is transferred to an account fixed by a third service system(2), and the third service system transmits payment information to the shopping mall server and a matching service system(5). The shopping mall server requests a delivery company to deliver the goods to the buyer by transmitting purchase/payment information to a deliver company system(6) and transmits the related information to the matching service system. The buyer receiving the goods transmits goods reception confirmation or the return intention to the matching service system through the delivery company system. The matching service system informs the third service system, the shopping mall system, and the buyer terminal of delivery completion if the information received from each system is matched. The third service system transfers the goods price to the shopping mall server.
Patent KR-20060103193-A (KR)
Inventor: TAKAHASHI HISAMITSU
IPC: H05B33/04
Filed: 2006-03-23
Abstract: 본 발명은 투명한 막 형상의 새로운 건조제를 제공하고, 또한 전계 발광 소자(電界發光素子)를 밀봉할 때 장기간에 걸쳐 수분이나 산소 등의 영향을 받지 않고 안정된 발광을 유지할 수 있는 새로운 포수제(捕水劑)를 제공하는 것으로, Al 그밖의 3가 금속(M)의 화합물을 구성하는 M을 산소 분자에 의해 결합한 본원 발명의 다량체(多量體)를 건조제로 하고, 상기 건조제를 기밀용기 내에 포수제로서 전계 발광 소자의 용기 내면에 설치하며, 기밀용기 외부로부터 침입하는 미량의 수분, 상기 기밀용기내 표면에 부착된 미량의 수분 등으로부터, 상기 기밀용기내 표면에 설치된 전계 발광 소자를 수분 등으로부터의 영향을 감소시키는 것을 특징으로 한다.
Patent KR-20070097197-A (KR)
Title: Tire with hot wire in tread area
Inventor: SUNG IN CHUL
IPC: B60C11/00
Filed: 2006-03-28
Abstract: A tire with a hot wire in a tread area is provided to attach a hot wire to the surface of a tread part such that the hot wire generates heat using power supplied from a power source. A tire includes a tread part(11) formed with a groove(12) of a predetermined depth. A hot wire(15) is attached to the surface of the tread part(11) and generates heat using power supplied from a power supply part according to the manipulation of a switch installed around a driver seat. Two ends of the hot wire(15) pass through a shoulder part(13) so that the hot wire(15) is connected to a power connection part installed in a wheel(20) of the tire. The power supply part is a generator installed in the vehicle.
Patent KR-20070099329-A (KR)
Title: Display device
Inventor: SOHN JI WON
IPC: G02F1/1343
Filed: 2006-04-04
Abstract: A display apparatus is provided to improve display quality by an increase of an aperture ratio by forming a greater space distance between a common electrode and a transmission electrode in a reflection area than a transmission area. A display apparatus comprises a color filter substrate which includes a first base substrate and a color filter layer formed on the first base substrate, and an array substrate which is composed of a second base substrate divided into a transmission area(TA) transmitting the first light and a reflection area(RA) reflecting the second light and a pixel array formed on the second base substrate and is oppositely combined with the color filter substrate. The pixel array includes a transmission electrode(225) which is composed of transparent materials and is positioned in the transmission area and the reflection area to transmit the first and second light, a reflection electrode(224) which is composed of reflective materials and is positioned in the reflection area and reflects the second light, and a common electrode(226) which is spaced from the transmission electrode with a first interval in the transmission area and is spaced from the reflection electrode with a second interval greater than the first interval with the transmission electrode in the reflection area.
Patent KR-20060052762-A (KR)
Inventor: JUNG KIL SOO
IPC: G11B7/005
Filed: 2006-04-27
Abstract: 본 발명은 멀티앵글 데이터의 재생 중에 앵글 전환이 발생된 경우에도 심리스 재생이 보장되도록 재생하는 방법에 관한 것이다. 본 발명의 재생방법은, 복수의 동영상 데이터가 기록단위인 클립으로 구분되어 기록된 정보저장매체를 재생하는 재생방법에 있어서, 저장매체로부터 데이터를 독출하는 단계; 및 독출된 데이터를 재생하며, 앵글 전환 명령을 수신한 경우 전환하고자 하는 앵글에 해당하는 클립의 점프 포인트에서부터 재생하는 단계를 포함하며, 각 앵글용 클립은 서로 다른 앵글로의 연결 재생을 위한 액세스 지점을 가리키는 복수개의 점프 포인트를 가지며, 동일한 점프 포인트를 가지는 동영상 데이터는 동일한 프리젠테이션 타임 정보를 가지고, 점프 포인트들에 대한 정보가 상기 정보저장매체에 부가정보로 기록되며 상기 클립과는 별도의 공간에 기록되어 있는 것을 특징으로 한다. 본 발명은, 어느 하나의 각도에서 촬영한 앵글 데이터의 재생중에 앵글을 전환하여 다른 각도에서 촬영한 앵글 데이터를 재생하는 경우에도 심리스하게 재생할 수 있는 효과가 있다.
Patent KR-20070111179-A (KR)
Title: Method for forming semiconductor device
Inventor: KIM SEO MIN
IPC: H01L21/28
Filed: 2006-05-17
Abstract: A method for forming a semiconductor device is provided to improve an operation reliability of the semiconductor device by preventing a bit line contact plug from being disconnected. A device isolation film(130), which defines an activation region(120), is formed on a semiconductor substrate(100). A gate(140) is formed on the semiconductor substrate. A first interlayer dielectric is formed on the semiconductor substrate and the first interlayer dielectric is planarized. The first interlayer dielectric is etched by using a mask containing a line/space pattern(155) arranged along a longitudinal direction of the activation region, such that the activation region is exposed. The exposed semiconductor substrate is buried with a first plug material(170), and the first plug material is planarized. A second interlayer dielectric is formed on the semiconductor substrate and the second interlayer dielectric is planarized. A bit line contact hole is formed by etching the first and second interlayer dielectrics. A bit line for burying the bit line contact hole is formed by using a mask containing the bit line contact pattern.
Patent KR-20060128642-A (KR)
Title: Test equipment of semiconductor device
Inventor: MIYAKAWA SUEHARU
IPC: G01R31/26
Filed: 2006-05-23
Abstract: An apparatus for testing a semiconductor device is provided to reduce a test cost by simultaneously heating the semiconductor device on a socket and cooling a device test unit to perform a burn-in test and a characteristic test at the same time. An apparatus for testing a semiconductor device includes a chamber, a tester board(12), a socket(16), a device test unit(17), and a cooling unit(21). The tester board is contained in the chamber. The sockets are arranged at a first periphery of the tester board. The semiconductor device to be tested is mounted on the socket. The device test units are arranged at a second periphery, which is opposite to the first periphery, on the tester board. The device test unit inputs a predetermined test signal to the semiconductor devices and evaluates performance of the semiconductor devices based on output signals from the semiconductor devices. The cooling unit cools the device test unit. The semiconductor device is heated on the socket, while the device test unit is cooled, so that a burn-in test and a characteristic test are simultaneously performed on the semiconductor device.