LAYER SYSTEM COMPRISING A TITANIUM-ALUMINIUM-OXIDE LAYER

COATED OBJECT

PROTECTIVE LAYER, METHOD AND ARRANGEMENT FOR THE PRODUCTION OF PROTECTIVE LAYERS

Protective layer for a body, and process and arrangement for producing protective layers

Many applications, in particular in the domestic sector, require bodies which have a protective layer with a high scratch resistance and thermal stability. One typical example is glass-ceramic cooking surfaces of modern cooking hobs. The invention provides a corresponding protective layer which comprises at least one hard-material layer formed from a metal oxide and/or metal nitride and/or metal carbide and/or metal oxynitride and/or metal carbonitride and/or metal oxycarbonitride which has laterally closely cohesive, crystalline columns which grow perpendicular to the surface of the body and the lateral dimension of which is on average less than 1 mum, preferably less than 200 nm, and which predominantly has crystal orientations which, in the case of columnar growth, have little tendency to widen out, the surface roughness of the hard-material layer having an R_a value of less than 50 nm, preferably less than 20 nm.

Transparent protective layer for a body

The invention relates to a transparent protective layer, in particular a scratchproof layer for glass and glass-ceramic, which is able to withstand high temperatures, has a smooth and dense surface, an attractive surface design and is preferably used for coating cooking plates. A protective layer according to the invention comprises at least one crystalline metal oxide layer which has at least one interlayer formed from an amorphous, thermally stable mixed oxide, the interlayer being arranged being sublayers of the metal oxide layer. A further protective layer according to the invention comprises at least one amorphous, thermally stable mixed oxide layer which has at least one interlayer formed from a crystalline metal oxide, the interlayer being arranged between the sublayers of the amorphous mixed oxide layer. The amorphous mixed oxide layer has at least two metallic components. The crystalline metal oxide layers preferably consist of yttrium-stabilized zirconium oxide, and the amorphous ...

Protective layer for a body, and process and arrangement for producing protective layers

Method for manufacturing a master, master, method for manufacturing optical elements and optical element

The invention relates to a method for manufacturing of a master for manufacturing of optical elements having optically effective structures by moulding structures, which are formed on the master, onto a surface of an optical substrate, comprising the steps of: providing a substrate; coating a surface of said substrate for forming a coating on said substrate; and patterning said coating for forming structures in said coating. The invention also relates to a master for manufacturing of optical elements, to a method for manufacturing of optical elements as well as to an optical element having at least one surface, wherein at least in portions of said surface optically effective structures are formed.