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일부 TV부품 제조업체 남자 근로자들의 체력평가 기초연구
최광서,이영하,김성희,우극현,한구웅,김두희,Choi, Gwang-Seo,Lee, Young-Ha,Kim, Sung-Hie,Woo, Kuck-Hyeun,Han, Gu-Wung,Kim, Doo-Hie 대한예방의학회 1994 Journal of Preventive Medicine and Public Health Vol.27 No.3
In a TV component manufacturing factory, 102 male workers aged $20{\sim}39$ years old were participated in testing for physical fitness. At the same time, worker's periodic health examination was done. Test battery for physical fitness include grip strength, trunk flexion, standing long jump, side step, single leg balance with eye close, push ups and Harvard step test. As a result of testing for physical fitness, synthetically, there is no difference between manufacturing workers and officers. By bioelectrical impedance test, it means a declining tendency to all 7 factors in the obese workers, and so, it is important for obese workers not only to promote physical fitness but also to promote health. Excluding grip strength and single leg balance with eye close, 5 fitness factors are negatively associated with degree of diastolic Blood pressure, but it is statistically not significant. And levels of sGOT & sGPT have no association with physical fitness factors.
중합 박막 트랜지스터를 위한Ta2O5 유전체 접합의 자기조립 단분자막의 특성
최광남,정관수,김동식,곽성관 대한전자공학회 2006 電子工學會論文誌 IE (Industry electronics) Vol.43 No.1
The characteristics of polymeric thin-film transistors(TFTs) can be controlled by chemically modifying the surface of the gate dielectric prior to the organic semiconductor. The chemical treatment consists of derivative the tantalum pentoxide(Ta2O5) surface with organic materials to form self-assembled monolayer(SAM). The deposition of an octadecyl-trichlorosilane(OTS), hexamethy-ldisilazane(HMDS), aminopropyltreithoxysilane(ATS) SAM leads to a mobility of 0.01 ~ 0.06 cm2/V·s in a poly-3-hexylthiophene(P3HT) conjugated polymer. The mobility enhancement mechanism is likely to involve molecular interactions between the polymer and SAM. These result can be used for polymer TFT's dielectric material. 중합 박막 트랜지스터의 특성은 유기 반도체에 앞서 게이트유전체 표면의 화학적 변형에 의해 조절 가능하다. 화학적 처리는 자기조립 단분자막 형태의 유전물질과 함께 파생된 tantalum pentoxide(Ta2O5) 표면으로 구성된다. Octadecyltrichlorosilane(OTS), hexamethyldisilazane (HMDS), aminopropyltreithoxysilane(ATS) 자기조립 단분자막의 성장은 중합체로 결합된 poly-3-hexylthiophene (P3HT)의 분위기에서 0.01 ~ 0.06 cm2/V·s의 이동도로 진행되었다. 이동도 향상 메커니즘은 중합체와 자기조립 단분자막 사이의 분자 상호작용에 영향을 미치는 것으로 확인하였다. 이는 향후 ploymer TFT의 유전박막 중 하나로서 유용하게 사용 될 것이다.