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김태희(Taehee Kim),김종백(Jongbaeg Kim) 한국교육심리학회 2016 敎育心理硏究 Vol.30 No.1
본 연구는 자아정체감 연구에 대한 질적 접근방식으로서 내러티브 정체성을 통하여 대학생의 자아정체감 발달과정을 이해하고, 내러티브 정체성이 자아정체감을 탐색할 수 있는 도구로 활용가능한지를 교육적 의미에서 살펴보고자 하였다. 이를 위하여, 5명의 대학생들(남3, 여2)을 참여자로 하여 2015년 3월부터 6월까지 5개 주제로 구성된 에세이를 작성하도록 요청하고, 이를 바탕으로 6차례에 걸친 인터뷰를 실시하였다. 수집된 자료는 분석적 귀납과 연속적 비교접근(Lincoln & Guba, 1985)으로 분석되었다. 연구자들은 그 자료들로부터 대학생의 자아정체감 형성에 영향을 미친 경험적 사건 및 그 경험과 자기와의 관련성을 추론하는 과정을 확인하고 미래의 삶의 목표와 통합하는 과정을 파악하였다. 이와 함께 자아정체감 연구에 대한 질적 접근방식으로서 내러티브 정체성이 내포하고 있는 교육적 의미를 도출하였다. 수차례에 걸친 논의 과정 끝에 나타난 연구결과는 자기와 과거 경험간의 관계를 긍정적으로 해석한 경우에는 자기 성장과 연계하여 보고하고 현재상황(전공, 대인관계 등)에 적응적인 것으로 나타났고, 그렇지 못한 경우 자기를 긍정적으로 인식하지 못하였고, 현재상황에 대한 불안감, 불만족감을 드러내는 경향성을 보였다. 특히, 자기와 경험간의 관계를 의미 부여하여 평가한 경험이 많을수록 반성적 사고, 자기에 대한 긍정성, 진로목표에 대한 동기를 강화하는 것으로 나타났다. 이러한 연구결과는 대학생들에게 자기의 삶을 내러티브로 표현할 수 있는 기회를 지속적으로 제공할 때 자기 성찰을 촉진하고 미래 삶의 목표와 방향성을 정립하는 계기가 될 수 있다는 점을 보여주었다. The purpose of this study was to understand developmental processes of ego identity among undergraduate students utilizing a narrative research methodology. Particularly, this study examined ways in which the narrative identity is an alternative vehicle for exploration of one`s ego identity. To investigate this, a total of five participants including three male and two female undergraduate students were recruited from a university located in Seoul. They were asked to write the five essays for different topics and then individually interviewed six times based on the written reports from March through June 2015. Collected data were analyzed utilizing analytic inductive method and continual comparison approach(Lincoln & Guba, 1985). The researchers in this study had confirmed the influence of the participants`s experiential events on the formation of ego identity, autobiographical reasoning processes based on self-event connections and setting up future life goals. At the same time, we deducted narrative identity` educational implications as qualitative research for exploring ego identity. After several rounds of discussions, the results indicated that the participants who positively interpreted past experiences reported to link self growth based on self-event connections and were satisfied for the current situations(major adjustment, interpersonal relationship, etc.), in other cases, they were exposed to negative settings and reported their anxiety, which eventually showed dissatisfaction about the current situations. Especially, self reflective thinking, positive self-image and motivation for the goals of career were closely linked to meaning making evaluating experiences and processes. Study results exhibited continuously providing opportunities to tell their life stories utilizing narrative method will help to make self-reflective thinking and intergrate their future life goals.
정전기력으로 구동되는 탄소나노와이어 진동소자의 제작과 정밀 주파수 튜닝
장지영(Jiyoung Chang),김종백(Jongbaeg Kim),민병권(Byung-Kwon Min),이상조(Sang Jo Lee) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
Schemes for in-situ resonant frequency tuning of nano scale vibrating structures using Focused Ion Beam (FIB) sputtering and FIB-Chemical Vapor Deposition (CVD) are presented. This approach introduces precisely controlled permanent increase or decrease of resonant frequencies on processed nano structures, enabling the frequency adjustment when the desired resonant frequency is higher or lower than the actual frequency of the fabricated resonators. The vibration is induced by electrostatic force between resonator and stator using 0~10V AC input and all the processes including fabrication of nanostructure, electrostatic actuation, vibration observation and frequency tuning in either higher or lower direction were successfully conducted in single FIB chamber. The range of the frequency tuned from 600㎑ initial resonant frequency is +6㎑ with -1.9㎛ and -65㎑ with +1.1μm length change of the nano-resonator respectively. Structural FEM analysis result is compared with the experimental result
집속이온빔 장치를 이용한 정전기 구동 나노트위저의 제작
장지영(Jiyoung Chang),김종백(Jongbaeg Kim),민병권(B.-K. Min),이상조(S.J. Lee) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Electrostatically actuated nanoscale tweezers are fabricated on micro processed electrodes using FIB-CVD. Heavily doped electrode works as interconnection platform for controlling nanoscale devices. Short bent pillars are deposited to control the gap distance of main tweezers fabricated on bent ones. Two types of tweezers which have different gap distances are fabricated and tweezing motion was successfully demonstrated. The threshold voltages at snap-down of the pillars are dependent on the initial gap distance of the unactuated pillars, and the measured values were 93V for 3.6um and 30V for 2.2um. The dimension of nano tweezers and initial gap distances are controllable as demonstrated and we expect more complicated 3-dimensional shapes are also possible.
최정욱(Jungwook Choi),고기식(Kisik Koh),김종백(Jongbaeg Kim) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
In this research, we have fabricated the nano-scale apertures down to 40 nm on the low-stress silicon nitride membrane using a focused ion beam milling process. The apertures can be utilized as a mask for nanostencil lithography to fabricate nano-scale structures on an arbitrary substrate with batch-fabrication capability.