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    • 8. 发明专利
    • Pattern forming method and diffractive optical component
    • 图形形成方法和衍射光学元件
    • JP2011154163A
    • 2011-08-11
    • JP2010015191
    • 2010-01-27
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • KURISU KENICHI
    • G02B5/18B05D5/06B05D7/00
    • PROBLEM TO BE SOLVED: To provide a pattern forming method by which a desired optical characteristic can be secured, and to provide a diffractive optical component. SOLUTION: The diffractive optical component 1 has a pattern 10 composed of a rugged structure on the surface of a substrate 11. In forming the pattern 10, a shielding film 12 for shielding light is formed on the surface of the substrate 11, a resist is applied onto the shielding film 12 to form a photoresist layer 13. Then, a plane pattern corresponding to the pattern 10 is exposed/transferred on the photoresist layer 13 using light and developed, the remaining photoresist layer 13 is used as a mask to form the pattern 10 on the surface of the substrate 11 by etching. As a result, desired optical characteristics can be secured in the diffractive optical component 1. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供可以确保期望的光学特性的图案形成方法,并提供衍射光学部件。 解决方案:衍射光学部件1具有在基板11的表面上由凹凸结构构成的图案10.在形成图案10时,在基板11的表面上形成用于屏蔽光的屏蔽膜12, 将抗蚀剂施加到屏蔽膜12上以形成光致抗蚀剂层13.然后,使用光将对应于图案10的平面图案曝光/转印到光致抗蚀剂层13上并显影,将剩余的光致抗蚀剂层13用作掩模 通过蚀刻在基板11的表面上形成图案10。 因此,可以在衍射光学部件1中确保期望的光学特性。版权所有:(C)2011,JPO&INPIT