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    • 10. 发明申请
    • INFRARED TRANSMISSION FILTER AND IMAGING DEVICE
    • 红外传输滤波器和成像设备
    • US20120145901A1
    • 2012-06-14
    • US13302475
    • 2011-11-22
    • Toshimasa KAKIUCHIMakoto HasegawaMasahiro Mori
    • Toshimasa KAKIUCHIMakoto HasegawaMasahiro Mori
    • H01L27/146G02B5/28G02B5/22
    • H01L27/14621G02B5/208G02B5/22
    • There are provided an infrared transmission filter, which is inexpensive, is capable of being sufficiently made lighter and thinner, has no incident angle dependency, and is excellent in permselectivity for infrared light, and an imaging device, which employs such an infrared transmission filter.An infrared transmission filter 10 includes an infrared transmission base material 1 selectively transmitting light in an infrared wavelength range; and a short wavelength side infrared absorbing film 2 formed on one side of the infrared transmission base material 1 and containing a near-infrared absorbent having an optical absorption edge on a short wavelength side of a transmission wavelength band of the infrared transmission base material. An imaging device includes the infrared transmission filter 10.
    • 提供了廉价的红外透射滤光片,其能够充分地变得更轻更薄,不具有入射角度依赖性,并且红外光的选择透过性优异,并且使用这种红外透射滤光片的成像装置。 红外线透射滤光器10包括红外线透射基材1,其选择性地透射红外波长范围内的光; 以及短波长侧红外线吸收膜2,其形成在红外线透射基材1的一侧,并且在红外线透射基材的透射波长带的短波长侧包含具有光吸收边缘的近红外吸收体。 成像装置包括红外线传输滤波器10。