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US 2006/0234071 A1Published application
Evaporation material for the production of average refractive optical layers
AssigneeMerck Patent GmbH
InventorsMartin Friz, Reiner Dombrowski, Uwe Anthes
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Abstract
The invention relates to a vapour-deposition material for the production of optical layers of medium refractive index which comprises aluminium oxide and gadolinium oxide, dysprosium oxide and/or ytterbium oxide, to a process for the preparation thereof, and to the use thereof.
Claims16
Vapour-deposition material for the production of optical layers of medium refractive index, comprising aluminium oxide and at least one compound from the group consisting of gadolinium oxide, dysprosium oxide and ytterbium oxide.
Dependencies are inferred from the claim text.