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스크린 인쇄법 및 열전사법에 의한 VPT 형광막의 형성연구
조미정(M. J. Cho),남수용(S. Y. Nam) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
A novel thermal transfer method was developed to form the phosphor screen for VPT(Video Phone Tube). This method have advantages of simple process, clean environment, saving raw material and running-cost comparison of electrodeposition, spin coating of conventional methods. But now applying phosphor screen for thermal transfer method has been formed three layer(phosphor layer, ITO layer and thermal adhesive layer) on the PET film as substrate. This is complex process, run to waste of raw-material and require of high cost. Also ITO paste at present has been imported from Japan. To improve these problems, we have manufactured phosphor screen formed by two layers(phosphor layer and ITO layer). We have developed ITO past that had both conductive and excellent thermal transfer abilities, made it of domestic raw-material.
간섭무늬 분석을 통한 게이지 블록의 거칠기 효과 보정용 광산란장치 교정
강주식(C.-S. Kang),김재완(J.W. Kim),조미정(M.J. Cho),공홍진(H.J. Kong) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
A roughness measuring system which comprises an integrating sphere and a stabilized laser has been fabricated with the aim of measuring the roughness correction value which is necessary in gauge block measurement by optical interferometry. To calibrate the system, a Newton’s ring interferometer has been introduced. The method how to calibrate the roughness measurement system has been described.