Patent ID: 6567211
Filing Date: 2003-05-20
Classification: G02B

Abstract:
A dual-band millimeter-wave and infrared anti-reflecting coating including:a. a first infrared anti-reflecting coating, said first infrared anti-reflecting coating having an optical thickness of approximately Â¼ of the wavelength of a particular wavelength chosen from the infrared band; b. a millimeter-wave anti-reflecting coating disposed upon the first infrared anti-reflecting coating, said millimeter-wave anti-reflecting coating having an optical thickness of approximately Â¼ of the wavelength of a particular wavelength chosen from the millimeter-wave band; and c. a second infrared anti-reflecting coating disposed upon the millimeter-wave anti-reflecting coating, said second infrared anti-reflecting coating having an optical thickness of approximately Â¼ of the wavelength of a particular wavelength chosen from the infrared band.