• 한국표면공학회:학술대회논문집
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• 한국표면공학회 2016년도 추계학술대회 논문집
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• pp.165.2-165.2
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• 2016

현재, 솔더범프용 주석계 도금액의 필수성분인 산화방지제의 경우, 국내외 경쟁사에서는 가격 및 성능이 우수한 벤젠/페놀 계열을 적용 중이다. 그러나, 최근 대형 고객사에서 페놀류 산화방지지제를 환경규제물질로 규정함에 따라, 자사에서는, 특허 이슈 해소 가능한 친환경 대체 산화방지제 개발을 해오고 있다. 본 연구에서는, 반도체 패키지용 주석계 도금액의 산화방지제 종류와 농도에 따른 주요 특성 (Particle, 전류 효율, 안정성 (변색, 침전 외), 범프 두께의 편차, 감광제의 침해, Reflow 후 빈공간 등)에 대하여 살펴보았다.

• 대한한방내과학회지
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• 제24권2_4호
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• pp.1087-1092
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• 2003

Paraquat is a non-selective contact herbicide. When it is consumed, it may cause fatal disorders such as acute renal failure, hepatic dysfunction, and progressive respiratory failure. In spite of many efforts to cure patients poisoned with paraquat, the mortality rate still remain high. In this case, after using Gamdutanghaphwangryunhaedoktang-gamibang and Cheongsangboha-tang we got positive result in hepato-renal function, but progressive respiratory failure was unstoppable.

• 대한한방내과학회지
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• 제24권2_4호
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• pp.1080-1086
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• 2003

As the use of anticonvulsant increases in neurologic field, more studies are needed to reveal various harmful effects of this medication. Especially as for carbamazepine, thrombocytopenia may appear during administration of the medication, regardless of dosage. We, the authors, report that we diagnosed the patient as Bigiheo and Eumheohyeolheo, who was suffering from insomnia, diarrhea, papura, and serious thrombocytopenia. We presumed that the symptoms could be induced by carbamazepine, and used Samulgwibitanggamibang to treat her and obtained positive results.

• 한국우주과학회:학술대회논문집(한국우주과학회보)
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• 한국우주과학회 2004년도 한국우주과학회보 제13권1호
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• pp.100-100
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• 2004

Silicon Charge Detector is to measure the charge of incident cosmic-ray nuclei with a resolution of 0.2 charge unit for atomic number, Z=1-30 with energy range from 1 to 1000 TeV. It is one of detectors for CREAM (Cosmic Ray Energetics And Mass) experiment to test current models of source and acceleration mechanisms of ultra high energy cosmic rays. It's first flight will be with a NASA zero pressure balloon planned to be launched from McMurdo Station, Antarctica in December 2004. (omitted)

• 한국우주과학회:학술대회논문집(한국우주과학회보)
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• 한국우주과학회 2008년도 한국우주과학회보 제17권1호
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• pp.28.2-28.2
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• 2008

• 대한전기학회:학술대회논문집
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• 대한전기학회 2007년도 학술대회 논문집 전문대학교육위원
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• pp.187-190
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• 2007

To improve the power factor and reduce the harmonic contents of the system, the design of tunned filters for six-pulse thyrister converter which is used by electrolyzer system is discussed in this paper. Tunned filters are added to high-power rectifiers to keep the line current distortion within allowable limits and to improve the rectifier power factor. For electrolyzer system, the design procedure of tunned filters of AC 14.4kV power system are proposed by dynamic simulation. It is shown that these harmonic filters can meet most operational requirments. The the proposed design procedure is verified with the simulation and experimental results.

• 전자통신동향분석
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• 제23권2호통권110호
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• pp.153-161
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• 2008

최근 웹의 성공을 토대로 기존의 공개 소프트웨어 제공 방식을 벗어나, 언제 어디서나 누구라도 쉽게 소프트웨어와 콘텐츠를 사용하고 제작하고 유통할 수 있는 방향으로 기술이 발전하고 있다. 여기에 소프트웨어나 콘텐츠를 특정 서버에 의한 중앙 집중적인 방식으로 관리하지 않고, 개인이 이동식 저장 장치를 통해 휴대하면서 어떠한 단말기에서도 동일한 작업 환경에서 관리할 수 있는 기술이 요구되고 있다. 이러한 이동형 소프트웨어 플랫폼 관련 기술은 아직 명확히 형성되어 있지 않은 새로운 기술 분야로서 SaaS, 웹, 이동형 소프트웨어라는 세 가지 기술 키워드를 토대로 접근할 수 있다. 본 고에서는 웹 서비스, 온디맨드 컴퓨팅 등과 같은 기존의 서버 중심 기술 외에도 위의 세가지 키워드를 포괄하도록 여덟 가지 세부기술 분야로 분류하여 특허를 검색한 후 국가, 기술 분야, 주요 출원인별 특허 동향을 연도별 추이와 함께 정리한 후, 세부기술 분야별 동향도 분석하였다.

• 한국컴퓨터정보학회논문지
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• 제21권3호
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• pp.9-15
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• 2016

In this paper, DC-PLC typed one-wire controller was designed and manufactured especially for In-vehicle safe devices. One-wire by DC-PLC scheme is to be used as a power supply and ground to process the sensor data and to operate the vehicle actuators. To avoid complicate wires, we use the conventional wires without installing extra communication lines. The data collected from the sensors are transmitted to the main controller, processed by programming, and run the actuators corresponding to the commands sending to vehicle control board. The proposed method shows that only One-wire without requiring several wires make In-vehicle control devices simple and reduce the damage due to the loss of the wiring.

• 농업과학연구
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• 제37권1호
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• pp.105-112
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• 2010

The objective of this study is to develop a standardized model for analyzing water balances in large scaled water basin by considering agricultural water districts, and to evaluate the hydrological feasibility of applying this model to several water districts such as Nonbul, Geumbok, Daejeon 1, Daejeon 2, and Cheonggang in Geum river basin. Ten types of stream network were considered in developed model. Using this model, streamflows were simulated by major stations and water balances were analyzed by water districts. Simulated streamflows and measured streamflows were compared at check stations such as Gapcheon and Bugang stations in which Nash and Schcliffe's model efficiencies were 0.633, 0.902, respectively. This results showed its applicabilities to national water resources plan, rural water development plan, and total maximum daily load plan in Korea.

• 한국전기전자재료학회:학술대회논문집
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• 한국전기전자재료학회 2001년도 추계학술대회 논문집 Vol.14 No.1
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• pp.281-283
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• 2001

$Bi_{2}Sr_{2}CuO_{x}$(Bi-2201) thin films were fabricated by atomic layer-by-layer deposition using an ion bearn sputtering method. 10 wt% and 90 wt% ozone mixed with oxygen were used with ultraviolet light irradiation to assist oxidation. At early stages of the atomic layer by layer deposition. two dimensional epitaxial growth which covers the substrate surface would be suppressed by the stress and strain caused by the lattice misfit. then three dimensional growth takes place. Since Cu element is the most difficult to oxidize. only Sr and Bi react with each other predominantly. and forms a buffer layer on the substrate in an amorphous-like structure. which is changed to $SrBi_{2}O_{4}$ by in-situ anneal.