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专利名称：Optical filter and optical device发明人：佐藤 安紘申请号：JP2018186592申请日：20181001公开号：JP2020056874A公开日：20200409
专利附图：
摘要：Subject Problem to be solved: to provide an optical filter for minimizing the sizeof an image pickup apparatus and obtaining a good image using visible light or infraredlight. Solution The first cut film for shielding the light in a predetermined wavelengthregion, the second cut film which shields light on the longer wavelength side than thefirst shielding film, the first cut film and the third cut film which shield the longerwavelength light than the second cut film, the first cut film and the second cut film arearranged in different regions in the same plane of the substrate. The third cut film isformed in the thickness direction of the substrate over the first cut film and the secondcut film region. Diagram
申请人：キヤノン電子株式会社
地址：埼玉県秩父市下影森１２４８番地
国籍：JP
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