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池楨日 동국대학교 유럽문화연구소 1983 유럽硏究 Vol.1 No.-
Defense policies of the Scandinavian countries, which are Sweden, Finland, Norway, Denmark, and Iceland, are influenced by several common considerations. First of all, their cultural, linguistic, ethnic, and religious heritage do bring Scandinavian countries to the Western camp. Scandinavian countries also practice West European type of political democracy. All of these considerations bring Scandinavian countries close to the West instead of her georaphically close neighbor, the Soviet Union. At the moment, the security concern of the Scandinavian countries is directed against the Soviet Union whose communist ideology is alien to them Solutions for their defense problems. that Scandinavian countries seek, vary depending on their national experience and geopolitical situation. For instance, both Norway and Denmark who have experienced German invasion during the Second World War are tied with NATO whereas both Sweden and Finland pursue policy of neutrality. The policy of neutrality of both Sweden and Finland are not same, in that while Sweden follows a course of strong armed neutrality, Finland pursues a policy of "Finlandization", that is, neutral but pro-Soviet neutrality. Defense policies of the Scandinavian countries are inevitably influenced by the concept of Nordic balance, which has been expounded by the Norwegian diplomat, Egil Ulstein. According to Ulstein, the Nordic balance represents political and military balance based on several considerations. These considerations are, first of all, geopolitical location of the Scandinavian countries being close to the Soviet Union. Second, the East-West superpower confrontation has an impact on the Scandinavian region. Third, security of the central European countries are inevitably linked with the security question of the Scandinavian countries. These considerations that tend to produce Nordic balance have brought about two corollary on the defense policies of the Scandinavian countries: 1. Scandinavian countries avoid any provocative policy against her superpower neighbor, the Soviet Union. 2. Scandinavian countries have pursued an intense policy of defense preparedness in time of peace to combat with a potential military threat from the Soviet Union. Of these policy, the defense policy of both Sweden and Norway deserves our attention for their policy of total defense. Swedish policy of total defense is especially noteworthy for the elaborate scheme. It consists of four different defense programs: 1. military defense, 2. civil defense, 3. Psycholoigcal defense, 4. economic defense. Finally, the study deals with defense problems of the Scandinavian countries on individual basis. Sweden pursus policy of a strong armed neutrality without military tie with the West. Her principal concern is a defense from the North and coastal defense of the Baltic sea. Her current defense issue is the defense cost, that is, whether she could afford to continue to pursue a policy of armed neutrality by supplying herself of 85% of the weapons. Norway's defense problem is primarily defending her long coast to prevent the Soviet Union to secure her stronghold in Norway for the control of the Atlantic. A threat from the land in the Northern area of Norway is considerably eased by the nature, the difficult terrain. Denmark is concerned with the control of the Baltic strait and Jutland area. While Finland attempts to maintain a defense policy against the Soviet Union, her defense policy is heavily influenced by the Soviet Union's security policy. The Soviet Union does not want to see that Finland is going to be used as a corridor for invasion against the Soviet Union. Defense policies of the Scandinavian countries eventually boil down to a policy of avoiding provocation against the Soviet Union while preserving their security with maximum efforts. This policy leads to their policy of avoiding the introduction of the nuclear weapons into the Scandinavian region, which may be regarded as a dangerous provocation against the Soviet Union. In sum, the defense policies of the Scandinavian countries are to defend themselves against the Soviet Union until a military support arrives from the West while avoding any act that might trigger off nuclear conflict between the Soviet Union and the United States.
태양광급 실리콘 정련을 위한 전자빔 용융 모델링과 실시간 불순물 분석 방법
지정은,주정훈,장보윤,안영수 한국표면공학회 2009 한국표면공학회 학술발표회 초록집 Vol.2009 No.10
다결정 실리콘 태양전지는 생산단가가 싸고 대면적화가 가능하여 상용화에 적합한 대안으로 제시되어 활발히 연구되고 있다. 그러나 다결정 실리콘 기판은 단결정에 비하여 B, P를 포함한 불순물이 많고 dislocation, twin, grain boundary 등이 결정 결함이 많아 비저항을 떨어뜨린다. 본 연구에서는 금속실리콘(99.9% Si)을 태양광 급 고 순도 실리콘정련하기 위하여 E-beam 용융 시 균일한 열전달 방법을 전산모사 하였다. 또한 소량의 반응성 가스 (O₂, H₂, H₂O)를 공급하는 경우 B와 P가 휘발성이 강한 BO, PO등으로 변하는 경우 QMS(Quadrupole mass spectrometer)로 검출가능 할 것인지 계산하였다.
지정은(Jungeun Jee),양원균(Wonkyun Yang),박은철(Eunchul Park),김강석(Kangsuk Kim),주정훈(Junghoon Joo) 한국표면공학회 2008 한국표면공학회지 Vol.41 No.2
We investigated sterilization characteristics of UV lights by counting the number of bacteria units with varying sterilization time and distance from the light source. We focused on an idea that UV light of 184.9 ㎚ could generate ozone and developed a new sterilizer. The UV -ozone duplex system sterilized bacteria faster than UV-only sterilizers. To reduce shadowing effects by target objects, we used UV transparent quartz plate as a support and put a reflecting plate. Distribution of UV irradiation intensity and ozone supply were analyzed by a 3D model and measured by a semiconductor UV sensor. But even with an Al reflector, multi-layered pens could not be treated properly from UV irradiation only. Ozone generating lamp could treat more uniformly multi-layered pens with a stirring fan by supplying ozone to shadowed surfaces.