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    • 49. 再颁专利
    • Infrared reflective optical interference film
    • 红外反射光学干涉膜
    • USRE34605E
    • 1994-05-10
    • US989303
    • 1992-12-11
    • Walter J. SchrenkJohn A. Wheatley
    • Walter J. SchrenkJohn A. Wheatley
    • C09K3/00G02B1/04G02B5/28G02B5/30
    • G02B5/282G02B1/04G02B5/305
    • The present invention provides an optical interference film, made of multiple layers of polymers, which reflects wavelengths of light in the infrared region of the spectrum while being substantially transparent to wavelengths of light in the visible spectrum. The optical interference film includes multiple alternating layers of at least first, second, and third diverse, substantially transparent polymeric materials A, B, and C, with the layers being of an optical thickness of between about 0.09 and 0.45 micrometers. Each of the polymeric materials has a different index of refraction, n.sub.i, and the refractive index of the second polymeric material is intermediate the respective refractive indices of the first and third polymeric materials.
    • 本发明提供一种由多层聚合物制成的光学干涉膜,其反射光谱的红外区域中的光的波长,同时对可见光谱中的波长的波长基本上是透明的。 光学干涉膜包括至少第一,第二和第三不同的,基本上透明的聚合物材料A,B和C的多个交替层,其中光学厚度在约0.09至0.45微米之间。 每个聚合物材料具有不同的折射率ni,并且第二聚合物材料的折射率介于第一和第三聚合物材料的相应折射率之间。