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1.发明公开公开(公告)号：US20230228925A1
公开(公告)日：2023-07-20
申请号：US18125067
申请日：2023-03-22
Applicant: AGC Inc.
Inventor： Yoji YASUI , Kazunobu MAESHIGE , Takahiro MASHIMO , Takuji OYAMA , Nobutaka AOMINE , Tatsuo NAGASHIMA , Mitsuyoshi KOBAYASHI
CPC classification number: G02B5/208 , B60R11/00 , C23C14/35 , C23C14/087 , C23C14/085 , C23C14/083 , C23C14/081 , C23C16/50 , C23C16/26 , C23C14/185 , G02B1/14
Abstract: To appropriately transmit far-infrared rays while ensuring design. A far-infrared ray transmission member (20) includes a base material (30) configured to transmit far-infrared rays, and a functional film (31) formed on the base material (30). Dispersion of reflectances with respect to pieces of light at a wavelength of 360 nm to 830 nm in increments of 1 nm is equal to or smaller than 30, a reflectance with respect to visible light defined by JIS R3106 is equal to or lower than 25%, and an average transmittance with respect to light at a wavelength of 8 μm to 12 μm is equal to or higher than 50%.
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2.发明公开公开(公告)号：US20230194759A1
公开(公告)日：2023-06-22
申请号：US18111518
申请日：2023-02-17
Applicant: AGC Inc.
Inventor： Yoji YASUI , Kazunobu MAESHIGE , Takahiro MASHIMO , Takuji OYAMA , Nobutaka AOMINE , Manaya KUBONO
Abstract: To appropriately suppress reflection of far-infrared rays, and appropriately form an antireflection film. A far-infrared ray transmission member (20) includes a base material (30) that transmits far-infrared rays, and a functional film (32) that is formed on the base material (30) and includes a low refractive index layer (34) containing oxide as a principal component and having a refractive index equal to or smaller than 1.5 with respect to light at a wavelength of 10 μm. The low refractive index layer (34) contains MgO as a principal component, and a content of MgO is equal to or larger than 50 mass % and equal to or smaller than 100 mass % with respect to the entire low refractive index layer (34).
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