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김창동,서영호 동의공업대학 1999 論文集 Vol.25 No.1
Objects of this study were the development and the structural improvement of the fire safety device of a cast-gas burner. The operating circuit of switchgear of gas valve was designed and manufactured with OP amp. The fire safety device was examined through the experiments, In case of a large fire safety device a consuming rate of gas is very high and a supply of electric power takes a jump in comparison with the existing development products of safety devices for a medium or small gas burner. Therefore the body of a safety device had to be composed of structural reform. The gas flow could be predicted by theoretical equations. The safety device's body of a large gas burner was designed including the plug part which played a role in the gas cock's open or shut. The development of product was tried out with thought of manufacturing facility and efficiency.
High-Performance Bottom-Gate TFT Fabricated by Employing SPC with Magnetically-Assisted RTA
김창동,김창연,이석우,서현식,강인병 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.1
An n-type TFT, based on the conventional a-Si TFT process, having advanced solid phase crystallization (A-SPC) with magnetically-assisted RTA has been developed on a glass substrate. Even though the A-SPC process has a temperature higher than the glass transition temperature, it showed no glass warpage but only manageable glass shrinkage, so processing on a glass substrate is possible. The n-type TFT with A-SPC process shows higher current drivability and device reliability than an a-Si TFT, which overcomes the drawbacks of a conventional a-Si TFT backplane. It also shows relatively good short-range device uniformity to solve the problem of conventional poly-Si TFTs. The n-type backplane with A-SPC technology was verified by manufacturing a 15-inch AMOLED panel.
김창동 동의공업대학 2000 論文集 Vol.26 No.1
This Paper developed the three type safety devices for the cast-gas burner. The first type was the safety device with OP amp. The operating circuit of switchgear of gas valve was designed and manufactured with OP amp. The fire safety device was examined through the experiments. In case of a large fire safety device a consuming rate of gas is very high and a supply of electric power takes a jump in comparison with the existing development products of safety devices for a medium or small gas burner. The second type changed the design that the efficiency of the piezo electric ignition unit was improved. The third type was improved by the changed gas flow path. Therefore the body of a safety device had to be composed of structural reform. The gas flow could be predicted by theoretical equations. The safety device's body of a large gas burner was designed including the plug part which played a role in the gas cock's open or shut. The development of product was tried out with thought of manufacturing facility and efficiency.
김창동,Kim, Chang-Dong 한국작물보호협회 2010 자연과 농업 Vol.254 No.-
`미역국에 쌀 밥 한 그릇의 한'을 안고 보릿고개를 넘어야 했던 시절이 오래지 않았다. 신세대들은 먹으라는 성화에 귀찮아 해 한다. 격세지감이다. 말 탈 많고, 예절 까다롭고 참 치사한 것이 먹는 일임을 잊지 말아야한다.