The paper introduced the image-reversal dual layer photolithography technology that is suitable for thick film lift-off.The reverse trapeziform shape of resist was made by coating a image-reversal resist layer on a thicker positive resist layer,this technology can achieve the 13 μm thick film lift-off without high edge.And some mechanism problems are discussed.
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郭喜,支淑英,杨春莉,巩爽.适用于厚膜剥离的图形反转双层胶光刻技术[J].激光与红外,2010,40(3):257~259 GUO Xi, ZHI Shu-ying, YANG Chun-li, GONG Shuang. Image-reversal dual layer photolithography technology for thick film lift-off[J]. LASER & INFRARED,2010,40(3):257~259