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    • 5. 发明授权
    • Near-field exposure method
    • 近场曝光法
    • US07732121B2
    • 2010-06-08
    • US11758958
    • 2007-06-06
    • Natsuhiko MizutaniYasuhisa Inao
    • Natsuhiko MizutaniYasuhisa Inao
    • H01L21/70G03F7/20
    • G03F7/70383B82Y10/00G03F1/50G03F7/2014
    • A near-field exposure method includes closely contacting an exposure mask having a light blocking film with small openings, to a photoresist layer formed on a substrate having surface unevenness, and projecting the exposure light of the exposure light source onto the exposure mask so that the photoresist is exposed based on near-field light escaping from the small openings, wherein the near-field exposure is carried out under a condition that a contact region where the light blocking film and the photoresist layer are in contact with each other and a liquid region filled with a liquid between the light blocking film and the photoresist layer coexist between the light blocking film and the photoresist layer.
    • 近场曝光方法包括将具有小开口的遮光膜的曝光掩模紧密接触到具有表面凹凸的基板上形成的光致抗蚀剂层,并将曝光光源的曝光光投射到曝光掩模上,使得 基于从小开口逸出的近场光来曝光光致抗蚀剂,其中在遮光膜和光致抗蚀剂层彼此接触的接触区域和液体区域的条件下进行近场曝光 在遮光膜和光致抗蚀剂层之间填充有液体,遮光膜和光致抗蚀剂层共存。