Koninklijke Philips Corporation N.v.

Michael Vergöhl

Arnd Ritz

Berno Hunsche

Transparent, temperature-stable coatings based on titanium oxide with a high refractive index and improved thermal and mechanical properties comprise titanium oxide with at least one additive from the group comprising aluminum and/or aluminum oxide, whereby the proportion of Al atoms in the coating, with reference to the total number of metal atoms in the coating is in the range from 2 to 4%.

Transparent titanium oxide-aluminum and/or aluminum oxide coating with rutile structure

High temperature-resistant transparent coatings based on zirconium oxide, which have improved dispersion properties and a high refractive index, comprise zirconium oxide with at least one additive from the group consisting of tantalum and/or tantalum oxide, whereby the proportion of Ta atoms, in relation to the total number of metal atoms in the coating is in the range of 5 to 30%.

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Munich, Georgia

Michael Vergöhl