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Crizal Prevencia, launched in 2013, is a lens that lets in beneficial light and filters out blue-violet and UV rays. In 2014, Essilor won a Fibre Innovation Award for Crizal Prevencia at an event at the Paris Pierre and Marie Curie University celebrating advances in technology that benefit society. [59]
The layer is then called a quarter-wave coating. For this type of coating a normally incident beam I, when reflected from the second interface, will travel exactly half its own wavelength further than the beam reflected from the first surface, leading to destructive interference. This is also true for thicker coating layers (3λ/4, 5λ/4, etc ...
Another type is the high-reflector coating, which can be used to produce mirrors that reflect greater than 99.99% of the light that falls on them. More complex optical coatings exhibit high reflection over some range of wavelengths, and anti-reflection over another range, allowing the production of dichroic thin-film filters.
AkzoNobel is a leading coatings company whose key products include automotive coatings, specialised equipment for the car repair and transportation market and marine coatings. The coatings groups consist of the following business units: [46] [47] Decorative Paints; Marine and Protective Coatings; Automotive and Specialty Coatings; Industrial ...
A conversion coating is a chemical or electro-chemical treatment applied to manufactured parts that superficially converts the material into a thin adhering coating of an insoluble compound. These coatings are commonly applied to protect the part against corrosion , to improve the adherence of other coatings, for lubrication , or for aesthetic ...
Chemical Agent Resistant Coating (CARC) is a paint commonly applied to military vehicles to provide protection against chemical and biological weapons. [1] [2] The surface of the paint is engineered to be easily decontaminated after exposure to chemical warfare and biological warfare agents. The paint is also resistant to damage and removal by ...