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송준엽(J.Y. Song),이창우(C.W. Lee),하태호(T.W. Ha),정연욱(Y.W. Jung),김영규(Y.G. Kim),이명철(M.C. Lee) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
In this study, automatic assembly and evaluation system for phone camera module is conceptually designed. The designed core(Auto focus & UV curing, Image Test) equipments adopts a clustering mechanism and compactible structure using index table for minimum tact time. Using a ball screw actuator and absolute encoder in each axis, we can verifies the repeatability and position accuracy of system within ±3㎛. In result of simulation test, the proposed system is expected up to 30% in productivity than manual operation.
송준엽(J. Y. Song),박화영(H. Y. Park),김현종(H. J. Kim),정연욱(Y. W. Jung),김용래(Y. R. Kim) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
In this study has developed analysis system for automatic inspection of FPD(Flat Panel Display) characteristic, such as brightness, view angle, color ratio in the manufacturing process. Developed system consists of inspection-sensor part, acquiring a data by 3-CCD Color CCD camera and Inspection-stage part, driving a FPD holder to rotation and tilt direction. In experiment results, we could have ensured easily brightness distribution, available view angle, color reproduce and could expect to improve the quality, productivity, and yield.
송청호(C. H. Song),정연욱(Y. W. Jung),배상신(S. S. Bae),송준엽(J. Y. Song),김영규(Y. G. Kim) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
The Mega-pixel camera phones become main trends in mobile phone market. The lens modules used in mega-pixel camera phones need high resolution. One of the main factors of resolution drop is the defects of bare lens. Though there are many advantages in auto-inspection of defects of bare lens, high technical problems take the defect inspections to be done with manual process. In this paper, the type and the source of defects were described and bare lens defect auto-inspection system design was explained. The designed auto-inspection system is composed of illumination optics part, focusing optics part and auto-moving system. With the proposed auto-inspection system, fast and uniform inspection of bare lens can be achieved.
FPD Exposure System 用 투영광학계 설계
배상신(S. S. Bae),정연욱(Y. W. Jung),김용래(Y. R. Kim),송청호(C. H. Song),송준엽(J. Y. Song),김동훈(D. H. Kim) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
Exposure System is used for printing a prescribed pattern on a printed board, a liquid crystal substrate or the like. In this paper we are trying to develop projection Optics Exposure System for manufacturing Color Filter of LCD Display. This paper explain the Projection Optics Design and Illumination Optics Design of Color Filter Exposure system.