Infrared dual-band window protection film and manufacturing method thereof

Abstract

The invention relates to a dual waveband infrared window protection film and a manufacturing method thereof. The protection film is a film system consisting of a substrate, an intermediate protection combined film and an outermost layer protection film; the intermediate protection combined film consists of a bottom layer film which is a germanium carbide film and an upper layer film which is a diamond-like film or consists of a bottom layer film which is the diamond-like film and an upper layer film which is the germanium carbide film; and the outermost layer protection film is the diamond-like film. The manufacturing method comprises the following steps: determining the substrate, selecting the materials of the bottom layer film, the upper layer film and the outmost layer protection film, optimizing the film system and the like. The dual waveband infrared window protection film has the advantages of high light transmittance, being capable of resisting damages caused by severe environmental factors such as blown sand, sea water, high speed, salt mist and the like, high shock resistance, and improving the overall rigidity of the film system, as well as good process controllability and good process repeatability.

Description

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AI Technical Summary

Benefits of technology

This patented technology allows for better transmission over both wavelengths by creating a special type of material called double-walled glass (DFG). These materials have excellent properties that prevent reflection from sunlight or rainwater when exposed to these environments. They also provide strong mechanical strength while being durable against various types of wear and tear caused during use. Overall, this new design makes it possible to achieve improved optical performance without compromising its effectiveness at specific conditions.

Problems solved by technology

Technological Problem addressed in this patents relates to improving the performance and durability of an Optically Dual-Narrow Band Window Protection Film System when exposed to severe weather conditions like rainwater immersion at sea level. Current methods involve adding layers made of glasses called double-narrow band antirefrigerant films onto the outside surfaces of these filters due to their superior properties compared to traditional ones. However, current techniques require expensive processes involving ionization vacuum arc evacuations and atomic absorption/deposit reactions requiring extreme cleanliness requirements. Additionally, many applications also demand higher transmission rates over longer periods without sacrificially damaging the device's components themselves.

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