baber/WOPTO huggingface dataset:
Patent KR-20030049960-A (KR)
Title: Device for shifting heart roll of annealing furnace
Inventor: CHOI MUN HWAN
IPC: F27B9/30
Filed: 2001-12-17
Abstract: PURPOSE: An internal hearth roll exchanging device for an annealing furnace is provided to prevent a heating tube from being broken by exchanging a hearth roll with a preliminary hearth roll when the hearth roll has a fault. CONSTITUTION: A plurality of hearth rolls(10) for supporting a strip are continuously installed in an annealing furnace widthwise on the strip. A U-shaped strip heating tube is installed between hearth rolls(10). The hearth rolls(10) and preliminary hearth rolls(11) are installed in the annealing furnace. A roll exchanging section is provided to exchange a roll by moving up or down the hearth rolls(10) and the preliminary hearth rolls(11) as required. A lifting section is provided to lift up the hearth rolls(10) and the preliminary hearth rolls(11) when the strip is broken. The roll exchanging section has a frame(30), a guide rod(31), a rotating shaft(32), a sprocket wheel(33), a chain(34), an actuating lever(35) and a driving cylinder(36).
Patent KR-20020023789-A (KR)
Inventor: MA DONG GEUN
IPC: A47B33/00
Filed: 2001-12-18
Abstract: PURPOSE: Provided is an integrated structure with bowl(water vessel) and top plate of a sink by compression-molding in a metal mold to improve rigidity, to solve problems such as bending, cracks and/or water leakage and to have semi-permanent service-time. CONSTITUTION: The structure is prepared by assembling top plate(11) and bottom plate(12) on a press(10) and heating a steam line(13) of the top plate(11) at 130-140 deg.C while heating another steam line(14) of the bottom plate(12) at the same temperature; after 1 hour passing, checking the temperature of the plates(11,12) and placing BMC(raw material)(16) above the bottom plate(12) in a widen sate of the press(10); pressing the press(10) at 120-150kg for 3-5 minutes; then opening the press(10) to form a product. The structure is featured by a specified process comprising integrating a top plate and a bowl(water vessel) to produce bowl(water vessel) integrated sink plate and freely detaching and replacing the bowl.
Patent KR-20030051950-A (KR)
Title: Variable apparatus for TDM highway location of voice exchanger
Inventor: LEE HUI TAE
IPC: H04L12/52
Filed: 2001-12-20
Abstract: PURPOSE: A device for varying a TDM highway position of a voice exchange is provided to replace a path of a TDM highway inputted/outputted through an input path replacing and output path replacing process, thereby flexibly using a physical structure of the exchange. CONSTITUTION: An input TDM highway converter(210) comprises as follows. An input path converter(211) generates an address whose path is replaced with a register value. An input voice memory(212) sequentially stores PCM data of a high way corresponding to the address. A voice switch(220) switches the stored PCM data to a destination path. An output TDM highway converter(230) comprises as follows. An output voice memory(231) stores the PCM data. An output controller(232) generates an output path replacing address, and loads the PCM data into an output highway. An output path converter(233) outputs the output path replacing address, and replaces an output path of the output voice memory(231).
Patent KR-20030051084-A (KR)
Title: Apparatus for reduce the noise of rotary compressor
Inventor: JUNG CHAE SEOK
IPC: F04C29/06
Filed: 2001-12-20
Abstract: PURPOSE: A device for reducing noise of a rotary compressor is provided to improve noise reduction efficiency of discharge noise generated from a cylinder by mounting a muffler assembly. CONSTITUTION: A muffler of the rotary compressor compresses a refrigerant sucked in by rotation of a cylinder and the muffler is covered on a discharge hole of an upper bearing for discharging the compressed refrigerant. Thus, discharge noise is reduced. In a device for reducing noise of a rotary compressor, the muffler comprises a muffler assembly(120) having a first muffler(121) covered to the upper bearing(5) with the discharge hole; a second muffler(131) covered on the first muffler; and a sound-absorbing material(137) mounted inside the second muffler, to reduce the discharge noise. Accordingly, noise reduction efficiency of the discharge noise is improved.
Patent KR-20030052461-A (KR)
Title: Ceramic Material with Low-Dielectric Constant for LTCC
Inventor: KIM GYEONG YONG
IPC: C04B35/46
Filed: 2001-12-21
Abstract: PURPOSE: A ceramic composition for LTCC is provided, which has a low dielectric constant and improved quality coefficients and can be sintered at a low temperature of 900 deg.C or less. CONSTITUTION: The ceramic composition is represented by y£xA - (1-x)B| - (1-y)C, wherein A is BaWO4, B is Mg2SiO4, C is a borosilicate glass comprising 60-90 wt% of SiO2, 15-30 wt% of B2O3 and 1-10 wt% of K2O; 0.5<=x<=0.9; and 0.4<=y<=0.8.
Patent KR-20030053633-A (KR)
Title: Design system and design method on earthquake-resistant steel moment connections
Inventor: JUN SANG U
IPC: E04H9/02
Filed: 2001-12-22
Abstract: PURPOSE: A design system for an earthquake-proof steel moment connection is provided to have the best possible earthquake resistance by re-processing the outputted result of the analysis and design process. CONSTITUTION: The design system for an earthquake-proof steel moment connection comprises: an H-steel y-axial analysis module(100), an H-steel z-axial analysis module(200) of an RBS(Reduced Beam Section) connection and a box column analysis module(300); a y-axial analysis module of a horizontal haunch connection; an H-steel y-axial analysis module of a rib connection(500); database(700) judging the relevance of the information for basic design conditions containing the size of members required for each analysis module, the properties of materials and the type of load, the information for the processing shape by a connecting method, and the information for the contents applied to each analysis module, doing feedback, then analyzing the properties of members and accumulating; and a controller(600) controlling the shape, measure and a processing method of the form of a connection according to the demand of users by examining in stages using inputted information, then outputting.
Patent KR-20020083110-A (KR)
Inventor: ISHIDA KATSUHIRO
IPC: H01J17/49
Filed: 2001-12-24
Abstract: PURPOSE: To realize a plasma display device having a frame structure permitting to solve the problems such as thermal conductivity, heat radiation, and strength without inviting much increase in cost. CONSTITUTION: The plasma display panel 1 is provided with a plasma display panel 1, circuits 5, 6, 7 having a driving circuit for driving the plasma display panel 1, a main frame 3 for mounting a circuit board, and an adhesive tape 10 for fixing the plasma display panel on the main frame 3, and the main frame 3 has a plurality of small holes arranged in the part where the adhesive tape is stuck.
Patent KR-20030057735-A (KR)
Title: Apparatus for verification of ATM path in mobile communication system
Inventor: HAN JAE MIN
IPC: H04L12/28
Filed: 2001-12-29
Abstract: PURPOSE: An apparatus for certifying an ATM(Asynchronous Transfer Mode) path in a mobile communication system is provided to enhance the stability of the ATM path by installing attenuators in transmission ports of an ATM router or reception ports of system boards. CONSTITUTION: An ATM router(103) has a plurality of transmission ports, and transmits processed information to optical cables(100) connected to the transmission ports. Attenuators(107) connect to the optical cables(100) and reception ports of system boards(105), and synchronize the ATM router(103) and the system boards(105). The attenuators(107) receive signals outputted from the ATM router(103), attenuate the received signals at a level for which the system boards(105) wish, and output the attenuated signals to the system boards(105).
Patent KR-20010072881-A (KR)
Title: 관절운동 가능한 용기
IPC: B65D1/26
Filed: 1999-08-27
Abstract: 용기(10)는 제 1 개방 위치로부터 제 2 폐쇄된 위치로 그리고 제 1 개방 위치와 제 2 폐쇄된 위치 사이에서 관절운동가능하다.  제 1 개방 위치에서, 용기(10)는 제품을 수납할 수 있다.  추가로, 사용자는 제 1 개방 위치에 있는 동안에 용기(10)로부터의 제품을 커버하거나 밀폐한다.  제 2 폐쇄된 위치에서, 용기(10)는 제품을 커버하거나 밀폐한다.  폐쇄된 위치는 제품을 저장하거나, 제조 지점 내지는 사용 또는 판매 위치와 같은 2개의 지점 사이에서 제품을 운반하는데 유용하다.  용기(10)는 접시, 사발, 트레이, 클램 쉘, 운반 용기, 전시 기구 또는 다른 공지된 형상의 형태를 취할 수 있다.
Patent KR-20010074920-A (KR)
Title: 올레핀의 중합
IPC: C08F4/70
Filed: 1999-08-31
Abstract: 촉매로서 카르복스이다미데이토네이트기가 가교기에 의한 공유 결합을 통해 함께 연결되어 있는 비스(카르복스이미다미데이토네이트)의 신규 선택된 전이 금속 착물을 사용하여 에틸렌 및 프로필렌과 같은 올레핀을 중합시킬 수 있다.  얻어진 중합체는 성형 및 추출 수지에 유용하다.
Patent KR-20010101888-A (KR)
IPC: G01S5/14
Filed: 2000-11-15
Abstract: GPS 수신기의 위치를 결정하는 방법과 그 방법을 사용하는 GPS 수신기가 개시되어 있는데, 그 방법은 (a) 궤도를 도는 네 개의 GPS 위성으로부터의 의사 범위를 결정하는 단계와, (b) 지구의 중심에 배치된 가상 위성으로부터 미리 알려진 상기 GPS 수신기의 위치까지의 의사 범위를 제공하는 단계와, (c) (a) 및 (b)의 의사 범위로부터 GPS 수신기의 위치를 결정하는 단계를 포함한다.
Patent KR-20010108238-A (KR)
IPC: B32B15/08
Filed: 2000-02-18
Abstract: 본 발명은 알루미늄, 구리, 철, 강철, 아연과 같은 금속 위에 보호 또는 장식 목적의 균일한 폴리머 피막을 제공하기 위한 조성물 및 방법과 침적 자동중합법에 의한 이들의 형성을 기재하고 있다.  본 발명에 의하면, 유기 모노머의 산성 용액이 금속 기판과 접촉하여 자동중합반응을 하고, 그로써 기판 상에 폴리머 피막을 형성한다.  본 방법은, 산성 모노머 용액을 제공하는 단계, 원하는 코팅 두께에 따라 정해진 시간 동안 코팅하고자 하는 금속 기판을 침적시키는 단계, 그리고 나서 용액으로부터 기판을 제거하는 단계를 포함한다.  중요한 것은, 상기 중합반응은 열이나 전기 에너지와 같은 외부 구동력의 인가를 요구하지 않는다는 것이다.  이렇게 형성된 피막은 50 마이크론 이하의 두께이며, 기판의 형상과 일치한다.  이들 피막은 더 나아가 균일한 두께를 가지며, 우수한 열안정성과 보호 특성을 갖는다.  본 발명의 바람직한 한 구현예에 의하면, 본 조성물은 유기 전자 수용체 모노머의 산 용액을 포함하며, 이를 금속 기판과 접촉하게 하여 자동중합반응을 행하고, 그로써 기판 상에 폴리머 피막을 형성한다.  본 발명의 또다른 바람직한 구현예에 의하면, 본 조성물은 유기 전자 수용체 모노머와 유기 전자 공여체 모노머의 산 용액을 포함하며, 이를 금속 기판과 접촉하게 하여 자동중합반응을 행하고, 그로써 기판 상에 폴리머 피막을 형성한다.  금속-폴리머 복합체 또한 설명되고 있다.
Patent KR-20010103790-A (KR)
Title: Refrigeration evaporator
IPC: B21D53/08
Filed: 2000-03-06
Abstract: A method of making an evaporator and the resultant evaporator. The resultant evaporator comprises a continuous serpentine tube having an inlet and an outlet. The serpentine tube includes at least one column of parallel tube runs. Each tube run is defined by at least one reverse bend. The column of parallel tube runs has an overall length defined by the distance between the outermost tube runs. The evaporator further comprises a plurality of inner fins attached to the individual tubes. Each inner fin extends between two tube runs defined by opposite ends of a reverse bend. The inner fins have a length less than the overall length the column of tube runs.
Patent KR-20010110485-A (KR)
Title: 가스 레이저용 표면 예비 이온화
IPC: H01S3/225
Filed: 2000-03-29
Abstract: 본 발명은 각각 방전 챔버 내에서 가늘고 긴 유전체에 의해서 하나 또는 그 이상의 관련된 예비 이온화 전극으로부터 이격된 가늘고 긴 예비 이온화 전극을 구비하는 하나 또는 그 이상의 이동식 표면 방전형 예비 이온화 유닛을 구비하는 엑시머 또는 분자 불소 레이저에 관한 것이다. 유전체는 긴 축선, 또는 측면에, 실질적으로 그 단면의 표면이 레이저의 방전 체적과 면하는 이동식 방전면을 구비한다. 각각의 가늘고 긴 및 관련된 예비 이온화 전극의 일부는 유리하게는 단면이 짧은 축선, 또는 상부 또는 하부에서, 유전체의 측면에 유전체 부분의 표면과 전도적으로 접촉한다. 가늘고 긴 또한 관련된 전극의 최소한 하나, 유리하게는 둘 다의 표면의 상당한 영역은 대응하는 유전체의 표면과 접촉하며, 따라서 접촉 영역이 실질적으로 이동식 방전면의 영역 보다 커지게 된다. 더욱이, 이동식 표면은 유리하게는 생성된 UV 방사가 방전 공간의 실질적인 중심 위치에서 레이저 가스를 조명할 수 있도록 지향되고 위치된다.
Patent KR-20020012168-A (KR)
IPC: H01L27/108
Filed: 2000-03-30
Abstract: 2진식 및 3진식 저장능력을 가지고, 상대적으로 고속이고 대용량인 CAM 어레이를 만드는데 적합한, 다이나믹 콘텐츠 주소 지정 가능 메모리(CAM) 셀이 개시되어 있다.  상기 셀은 한 쌍의 저장 소자, 비교 수단 그리고 한 쌍의 메모리 억세스 소자로 구성된다.  비교 동작에서, 비교 수단은 한 쌍의 탐색 라인에 실어지는 한 쌍의 상보 탐색 비트와 메모리에 저장된 한 쌍의 상보 데이터 비트 사이의 비정합동안 정합 라인을 방전 라인에 결합시킨다.  기록 또는 판독 동작에서, 상기 한 쌍의 억세스 소자는 저장 캐패시터를 한 쌍의 비트 라인에 결합시키는 워드 라인에 의해 활성화된다.  '0' 또는 '1'의 데이터 비트는 두 개의 저장 캐패시터가 상보 전하를 가질 때 저장된다.  두 캐패시터가 방전될 때 "don't care" 상태가 저장된다.
Patent KR-20020012545-A (KR)
IPC: B21D22/22
Filed: 2000-04-14
Abstract: 플랑-집게 AR 20이 종전 기술의 규격과 비교하여 뒤쪽으로 넓어지고 각인판 4에 인접한 끝(말하자면, 뒤쪽 AR 플랑-집게의 AV 앞 끝) 위로 그리고, 종래 기술의 플랑-집게들에 대해 직각 대신, 플랑-집게의 더 긴 길이 위로, 중간이 불룩한 형태를 나타내는 것을 특징으로 하며, 앞(AV)와 앞(AR) 플랑-집게들로 압착된 주형 10과 각인판 4 사이에서 철판 T를 양각세공하는 방식. 
     괴는 도구의 작용으로 간격 E의 폭을 변경시킬 수 있는 가능성. 
     승객용의 2, 6, 8석 또는 그 이상의 좌석을 갖춘 의자들에 대한 여러가지 응용.
Patent KR-20020016622-A (KR)
Title: 아이언-니켈 합금
IPC: C22C38/00
Filed: 2000-02-02
Abstract: 본 발명은 20-100℃에서 열팽창계수를 0.6x10 -6 /K 미만으로 조절할 수 있도록 (질량%로) 0.0009%의 C, 0.1% 미만의 Mn, 0.1% 미만의 Si 및 0.1%의 Al, 0.5-2.0%의 Co 및 35-36%의 Ni를 함유하고 나머지는 아이언 및 제조-관련 불순물로 이루어진 저-팽창 아이언-니켈 합금에 관한다.
Patent KR-20020000643-A (KR)
IPC: H01L31/02
Filed: 2000-04-18
Abstract: 본 발명의 장치는 광전자성 소자(1), 커버(2) 및 접착제(70)를 포함한다.  당해 광전자성 소자는 양극(20, 21)을 함유하는 기판(10), 광전자성 물질(30)을 포함하는 필름, 및 음극(41, 42)을 포함한다.  커버는 리드(50)와 융기된 림(60)을 포함하며, 이때 융기된 림은 리드의 외부 가장자리로부터 들어가 있다.  커버(2)는, 광전자성 물질(30)을 포함하는 필름이 기판과 리드 사이에, 그리고 융기된 림(60)에 의해 한정되는 영역 내에 배치되도록 소자(1)와 접촉한다.  외부 가장자리로부터 림으로 바닥 표면에 의해 한정된 채널에 배치되는 접착제(70), 림, 및 림에 의해 한정되는 영역의 광전자성 소자 바깥쪽의 상부 표면은 커버가 광전자성 소자에 부착하도록 작용한다.
Patent KR-20020026487-A (KR)
Inventor: KIM GWAN CHUN
IPC: B22D11/07
Filed: 2002-01-08
Abstract: PURPOSE: A method is provided which prepares hollow granular mold flux using a starch solution in the colloidal state that is prepared by diluting the starch gel after preparing starch gel. CONSTITUTION: The method for preparing hollow granular mold flux using a starch solution comprises the steps of preparing starch gel by heating the mixture to 70 to 90 deg.C after pouring industrial water of an ordinary temperature into a starch reaction tank and injecting 5 to 15 wt.% of powder shaped starch into the industrial water; preparing a starch solution in the colloidal state by agitating the mixture to a high speed after transferring the starch gel into a screw blunger tank containing a certain amount of industrial water; and preparing 30 to 40 wt.% of slurry after completely agitating the materials by preferentially adding fine carbon raw material and dispersing agent to the starch solution in the colloidal state in the screw blunger tank, and subsequently injecting remaining raw materials in to the agitated material, wherein the powder shaped starch is wheat starch or corn starch.
Patent KR-20030061246-A (KR)
Title: Decoding device having a turbo decoder and an RS decoder concatenated serially and a decoding method performed by the same
Inventor: KIM GI BO
IPC: H03M13/15
Filed: 2002-01-11
Abstract: PURPOSE: A decoding apparatus including a turbo decoder and an RS decoder and a decoding method thereof are provided to improve the reliability of decoding operations by optimizing the decoding number according to states of channels. CONSTITUTION: A decoding apparatus including a turbo decoder and an RS decoder includes the first decoder(120), the second decoder(150), and a control portion(140). The first decoder is used for decoding received signals according to the first decoding method. The second decoder is used for decoding the decoded signals according to the second decoding method and outputting a finish signal after performing an error correction process for the decoded signals. The control portion controls the first decoder to stop the decoding operation of the first decoder when the first decoder performs the decoding process and the second decoder outputs the finish signal.
Patent KR-20020024042-A (KR)
Title: Ultra light weight SMT Buzzer
Inventor: YOON BYEONG GI
IPC: G10K9/12
Filed: 2002-01-22
Abstract: PURPOSE: An SMT type buzzer is provided to reduce the area of the buzzer occupying the space inside a mobile communication terminal and decrease the weight of the mobile communication terminal. CONSTITUTION: An SMT type buzzer has the size of 8mm x 8mm x 2mm and weight of 0.4g. The frame of the buzzer is manufactured with a drawing mold using nickel in order to reduce the weight and size of the buzzer. A diaphragm(13) is directly placed on a brass ring(14). One sound output hole is divided into two in order to prevent an upper case(11) from cracking.
Patent KR-20030066025-A (KR)
IPC: C12G3/08
Filed: 2002-02-04
Abstract: 발효작용의 촉진과 질소 이용률의 향상을 도모하여 조잡한 맛이 적고 향기가 풍부한 고품질 알콜 음료 및 이의 제조방법을 제공한다. 
     본 발명의 알콜 음료는 해면하 200m 이상 깊은 심해에서 취수한 해양 심층수를 탈염처리한 탈염 정제수를 알콜 음료의 투입 단계에서 원료중에 통상적인 물의 일부 또는 전부를 교환하여 사용하여 양조를 실시하고 이후의 소정의 제조공정에 근거하여 제조하는 탈염 해양 심층수를 이용하는 알콜 음료이며, 해면하 200m 이상 깊은 심해에서 취수한 해양 심층수를 탈염처리한 탈염 정제수를 사용하여 양조하는 알콜 음료의 제조방법에 따라 해결할 수 있다. 
     또한, 이러한 해양 심층수를 탈염처리한 탈염 정제수를 사용하여 묽게 한 물로 하여 사용해도 동일하게 조잡한 맛이 적어서 향기가 풍부한 고품질 알콜 음료 및 이의 제조방법을 제공할 수 있다.
Patent KR-20030067895-A (KR)
Title: Sound proof wall and establishing method thereof
Inventor: YOON CHANG MAN
IPC: E01F8/00
Filed: 2002-02-08
Abstract: PURPOSE: A construction method of an eco-friendly soundproofed wall is provided to intercept various noises, to reduce installation expenses and to improve the appearance of cities. CONSTITUTION: The construction method of an eco-friendly soundproofed wall comprises the steps of: forming the foundation by digging up the ground in the appointed depth, then placing a reinforcing bar and a fastening bolt, and placing/hardening concrete; fixing support posts(10) on a bolt projected to the hardened foundation at regular intervals; interposing a foaming agent(11) among the support posts(10), locating a wire net(12) on the front and rear of the foaming agent(11), fixing the wire net(12) on the support post(10); connecting many horizontal frames(13) among the support posts(10) at regular intervals to pressurize the surface of the wire net(12); and spraying soil mortar composed of waterproofing/sound absorbing materials and binder on the surface of the foaming agent(11), the wire net(12) and the horizontal frame(13), then solidifying and drying.
Patent KR-20030073965-A (KR)
Title: Service method of multimedia chatting to mobile phone
Inventor: KANG SE GU
IPC: H04W76/00
Filed: 2002-03-14
Abstract: PURPOSE: A multimedia chatting service method for a mobile communication terminal is provided to perform a multimedia chatting between the user of the first terminal and the user of the second terminal through the set voice/image communication link. CONSTITUTION: A user of the first terminal(200) connects to a wireless Internet server(100), for an one-to-one voice or image chatting(S1). The user of the first terminal(200) inputs information about the voice or image chatting, for opening a chatting room through an one-to-one chatting module. The one-to-one chatting module opens the chatting room according to information inputted by the user of the first terminal(200), and stores chatting room opening information including information of the first terminal(200)(S2). The user of the first terminal(200) releases the wireless Internet connection(S3). A user of the second terminal(300) connects to the wireless Internet server(100), for receiving a multimedia chatting service using the one-to-one voice and image through the wireless Internet server(100)(S4). The user of the second terminal(300) selects a specific chatting room in information of the opened chatting room(S5). If the user of the second terminal(300) selects the chatting room opened by the user of the first terminal(200), the one-to-one chatting module informs the chatting room connection of the user of the second terminal(300) to the first terminal(200) through a message(S6). The first terminal(200) transmits a chatting selection or rejection signal of the user of the first terminal(200) to the one-to-one chatting module(S7). If the user of the first terminal(200) selects the chatting with the user of the second terminal(300), the one-one-one chatting module connects a voice or image communication link with the first terminal(200) and the second terminal(300), and executes the chatting through a voice or image call(S8).
Patent KR-20030075113-A (KR)
Title: Adaptive power control method and apparatus for bluetooth system
Inventor: SHIN GANG SU
IPC: H04B7/00
Filed: 2002-03-16
Abstract: PURPOSE: A method and an apparatus for adaptively controlling a power in a Bluetooth system are provided to quickly solve the environment of a wireless channel, such as a fading or a shadowing, by adaptively changing a step size of power control, using a power control LMP(Link Manager Protocol) command and controlling a transmission power. CONSTITUTION: A power strength measurement unit(122) measures a power strength of a signal received through a baseband/RF(Radio Frequency) module(121), and outputs a power strength measurement value. A memory(124) stores a previous power control LMP command. A step size control unit(125) decides a current power control step size on the basis of the power strength measurement value and the previous power control LMP value, and outputs the decided power control step size to the baseband/RF module(121).
Patent KR-20020075292-A (KR)
Inventor: KATO HIDEO
IPC: C03B37/012
Filed: 2002-03-22
Abstract: PURPOSE: A method for preparing an elliptic core optical fiber and a processed preform used to prepare an elliptic core optical fiber are provided, to prepare an elliptic core optical fiber having a desired specific dimension reliably and easily. CONSTITUTION: The method comprises the steps of processing an original preform having a circular core(3) disposed at the center of a circular clad(2) to flatten on the periphery to form a final preform and drawing the processed preform(1) with heating into an elliptic core optical fiber. The processed preform(1) is obtained from the aspect ratio of the processed preform and the ratio of a core radius to a clad diameter of the final preform obtained from the processed preform, wherein the aspect ratio of the processed preform is obtained from the correlations of aspect ratio of the elliptic core of an elliptic core optical fiber, and the ratio of a core radius to a clad diameter of the final preform obtained from the processed preform is obtained together with a core radius and a clad diameter as a parameter.
Patent KR-20030078198-A (KR)
Title: Apparatus for test semiconductor component
Inventor: LEE GWANG HUN
IPC: G01R31/26
Filed: 2002-03-28
Abstract: PURPOSE: An apparatus for testing a semiconductor device is provided improve test accuracy and remove the humidity generated when testing the semiconductor device at a low temperature. CONSTITUTION: An apparatus for testing a semiconductor device includes a humidity removing part(16) consisting of a main pipe(18) located at the lower portion of a socket board for removing the humidity generated when carrying out a temperature test and a plurality of branch pipes(20) connected to the main pipe for transmitting dry air to each socket. The apparatus for testing a semiconductor device further includes a humidity detecting sensor installed at the lower portion of the socket board for detecting humidity and a humidity control part for controlling the dry air supplied to the humidity removing part.
Patent KR-20020041383-A (KR)
Inventor: KIM MYEOUNG WON
IPC: B65D19/06
Filed: 2002-05-03
Abstract: PURPOSE: A pallet formed with four rectangular grooves on its inside surface in all direction except its rim portion and four metal flat plates bolted in the grooves is provided to improve the strength of the pallet, and to enable partial exchange of a damaged part thereof. CONSTITUTION: In the hexahedral structure pallet, two rectangular grooves symmetrical in left and right sides are formed on the upper surface and the lower surface thereof, except the whole outer rim of the pallet, and thin metal flat plates are bolted within the grooves respectively. For this, the thin metal flat plate is formed with a circular penetrating hole, and also square penetrating holes are formed in all directions.