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準分子雷射微細加工 Excimer Laser Micro Machining

本實驗室的準分子雷射微加工系統由三部分建構而成,分別為雷射光源,光學透鏡系統和精密控制位移伺服平台。其加工方法和特點分為三個部分。一、雙軸拖拉法,可加工大面積且周期性微透鏡陣列,二、旋轉加工法,適合加工微噴嘴和微擴散器,三、孔洞面積法,乃利用光罩透光率分佈不同而製作出所期望的結構。利用雙軸拖拉法加工大面積微透鏡陣列,搭配平行紫外光和位移平台,將紫外光光束聚焦進行黃光微影製成。

Excimer laser micro machining system in our lab includes three components are laser source, optical lens system and precise controlled moving stages. In our research can be divided into three approaches and features. First is Laser Dragging Process which is good at machining big area and periodic micro-lens array. Second is Laser Rotating Process which feature is fabricating nozzles and diffusers. Third is Hole Area Modulation based on the different spatial distribution of projected laser energy intensity to fabricate design surface profile. Using the Laser Dragging Process to get micro-lens array. With the parallel UV light source and precise controlled moving stage, focus the UV light into a spot size and do lithography on photoresist.