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김윤원,이순걸,최재혁,Kim, Yun-Won,Lee, Soon-Gul,Choi, Jae-Hyuk 한국초전도학회 2009 Progress in superconductivity Vol.11 No.1
Superconducting quantum phenomena are getting attention from the field of metrology area. Following its first successful application of Josephson effect to voltage standard, piconewton force standard was suggested as a candidate for the next application of superconducting quantum effects in metrology. It is predicted that a micron-sized superconducting Nb ring in a strong magnetic field gradient generates a quantized force of the order of sub-piconewtons. In this work, we studied the design and fabrication of Nb superconducting quantum interference device (SQUID) on an ultra-thin silicon cantilever. The Nb SQUID and electrodes were structured on a silicon-on-insulator (SOI) wafer by dc magnetron sputtering and lift-off lithography. Using the resulting SOI wafer, we fabricated V-shaped and parallel-beam cantilevers, each with a $30-{\mu}m$-wide paddle; the length, width, and thickness of each cantilever arm were typically $440{\mu}m,\;4.5{\mu}m$, and $0.34{\mu}m$, respectively. However, the cantilevers underwent bending, a technical difficulty commonly encountered during the fabrication of electrical circuits on ultra-soft mechanical substrates. In order to circumvent this difficulty, we controlled the Ar pressure during Nb sputtering to minimize the intrinsic stress in the Nb film and studied the effect of residual stress on the resultant device.
수상인명구조원 교육 서비스품질이 고객만족 및 조직이미지에 미치는 영향
김윤원(Kim, Yun-Won),신승엽(Shin, Seung-Yup) 한국체육과학회 2012 한국체육과학회지 Vol.21 No.5
The purpose of this study is to examine the effect of service quality on customer satisfaction and organizational image in life-guard training program. The participants were selected by convenience sampling method. They were composed of 415 adults who had been participating in life-guard training program. All data of completed questions are encoded and the data was analyzed by Spss Windows 18.0. The conclusion of this research was as follows. Empathy, reliability, responsiveness, tangibility and assurance of service quality factors had an effect on customer satisfaction. And empathy, reliability, tangibility and assurance of service quality had an effect on organizational image. Lastly, customer satisfaction had an effect on organizational image.