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RF 마그네트론 스퍼터링법으로 증착한 Al이 첨가된 ZnO 투명전도막의 전기적 특성
김진용,이용의,조해석,이동현,김영진,김형준,Kim, Jin-Yong,Lee, Yong-Ui,Jo, Hae-Seok,Lee, Dong-Hyeon,Kim, Yeong-Jin,Kim, Hyeong-Jun 한국재료학회 1995 한국재료학회지 Vol.5 No.3
첨가제로 $Al_{2}$$O_{3}$가 포함된 ZnO 소결체가 타깃을 이용하여 RF 마그네트론 스퍼터링법으로 Al이 첨가된 ZnO박막을 증착하고, 타깃에 첨가된 $Al_{2}$$O_{3}$의 농도와 증착시 스퍼터링장치내의 기판위치에 따른 박막의 물성 변화를 고찰하였다. 타깃의 $Al_{2}$$O_{3}$ 첨가농도가 2wt%인 경우에 비저항치 8 $\times$ $10_{-3}$ $\Omega$-cm인 박막이 증차되었다. 또한 $Al_{2}$$O_{3}$가 2wt%이상 첨가된 경우는 모든 Al이 박막내부에서 Zn를 치환하여 전자주게로의 역할을 하지 못하고, 오히려 치환되지 못한 Al원자의 중성 불순물 산란효과에 의해 박막의 비저항이 증가하였다. 타깃의 마모영역 위에서 증착된 Al을 첨가한 ZnO 박막은 그 영역 KR에서 증착된 박막보다 높은 비저항값을 나타냈으며, 이는 큰 에너지를 가지는 산소입자의 충돌에 기인한 것으로 여겨진다.
김진용,박상근,김한성,신형식,황용순,김상진,Kim, Jin Yong,Park, Sang Keun,Kim, Han Sung,Shin, Hyung Shik,Hwang, Yong Soon,Kim, Sang Jin 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.8
Although the most commonly encountered orbital tumor is metastatic tumor, adenocarcinoma of stomach metastasized to the optic nerve is rarely reported. The authors discuss a rare case of metastatic adenocarcinoma of left optic nerve with a review of literature. A 44-year-old man presented with decreased visual acuity of left eye for 3 months. Neurologic examination revealed left optic neuropathy. On MR imaging, a homogenously wellenhanced mass surrounding left optic nerve around optic canal was noticed. The X-rays and the whole body bone scan sho-wed multiple bony metastasis. Subtotal removal was performed via combined subfrontal and pterional approach and metastatic adenocarcinoma from the stomach was confirmed histologically. Postoperative course was uneventful, but there was no improvement of visual acuity.
소비자 안전을 위한 제조물 책임 대응시스템에 관한 실증적 연구
김진용,오병완,Kim Jin Yong,Oh Byeong Wan 대한안전경영과학회 2004 대한안전경영과학회지 Vol.6 No.3
Product liability is the law of the manufacturer's responsibilities for the consumers' personal injuries or the losses of property resulted from defective products. In today's many countries, the product liability law are being enacted because of the safety of product use and the protection of consumer's right. In korea, the product liability is going to enforce on July 1, 2002. Though the construction of product liability response system is urgent situation, domestic manufacture company's PL response system is not nearly prepared in present. Consequently, the purpose of this study is to discuss the Quality Management's importance and the PL countermeasures by presenting the difference of PL response system construction degree by the Quality Management Maturity degree
이중펄스 로켓모타의 격막형 펄스분리장치 설계 및 성능평가
김진용,권태하,이원복,조원만,이방업,정규동,이영우,Kim, Jinyong,Kwon, Taeha,Lee, Wonbok,Cho, Wonman,Lee, Bangeop,Jung, Gyoodong,Rhee, Youngwoo 한국군사과학기술학회 2015 한국군사과학기술학회지 Vol.18 No.1
The dual pulse rocket motor(DPRM) distributes the propellant energy effectively via pulse separation device(PSD) to improve the range and terminal velocity of the missile. There are two types of PSD such as bulk head type and thermal barrier type. A subscale thermal barrier type DPRM was designed, manufactured, and tested. The results showed good understanding of the characteristics of the PSD and will be applied to the design of the full scale DPRM.
규불화염계 수화열 저감제가 첨가된 시멘트 모르타르의 수화열 변화 및 균열저감 특성
김진용,이효송,이영우,김도수,이병기,길배수,한승구,Kim, Jin-Yong,Lee, Hyo-Song,Rhee, Young-Woo,Kim, Do-Su,Lee, Byoung-Ky,Khil, Bae-Su,Han, Seung-Gu 한국세라믹학회 2005 한국세라믹학회지 Vol.42 No.3
본 연구에서는 규불화염, 가용성 실리카, 방향족계 고분자 축합물 그리고 잠열특성을 지닌 질산염계 무기화합물로 구성된 규불화염계 수화열 저감제를 시멘트 모르타르의 수화열 및 건조수축에 미치는 영향을 조사하였다. 규불화염계 수화열 저감제의 첨가로 시멘트 모르타르의 단열상승온도 및 건조수축에 의한 길이변화가 저감되는 특성을 나타내었다. 또한, 규불화염계 수화열 저감제가 첨가된 판상형 시멘트 모르타르 시험체의 균열 패턴을 측정한 결과, 수화열 저감과 건조수축에 의해 길이변화가 저감되는 복합적 효과를 통해 시멘트 모르타르의 균열저감성이 개선되는 것을 확인하였다. Fluosilicate salts based hydration heat reducer(SWP-HR), used in this study, is composed of fluosilicate salts, soluble silica, aromatic polymer condensate and nitrate salt based inorganic compound with latent heat property. Effects of SWP-HR addition on the hydration heat and anti-crack property of cement mortar were investigated. Adiabatic hydration temperature and drying shrinkage length of SWP-HR added cement mortar had a tendency to decrease compared to those of cement mortar without SWP-HR addition. Also, it was confirmed through crack pattern experiment of plate-form specimen for elucidating crack-reducing characteristic that anti-crack property of SWP-HR added cement mortar was improved.
Reassessment of diversification effects on market values of banks
김진용,Yong-Cheol Kim,김용식 한양대학교 경제연구소 2020 JOURNAL OF ECONOMIC RESEARCH Vol.25 No.2
The effects of income diversification of banks on various risk-adjusted market value measures are reassessed by applying quantile regressions on U.S. bank holding company data from 2000–2010. An indirect effect from a diversified income structure and a direct effect from an increased non-interest income share jointly determine the net effect of income diversification. The first main empirical finding shows a significant discount for the banks in the upper quantiles of the risk-adjusted market value distributions. Second, the net diversification effects change over time. These findings are consistent with the view that the diversification discount reflects an opportunity cost in adjusting a dynamic value-maximizing strategy.
김진용,Kim, Jin-Yong 한국도서관협회 1976 圖協月報 Vol.17 No.4
본고는 1976년도 2월 연세대학교 교육대학원 사서교육전공 석사학위논문의 요약이다. 주와 참고문헌은 생략하였다.