Patent · US Expired

Layer construction with an organic layer and a transparent cover layer which is harder than the organ layer and process for its production

US5785876A · kind A · utility

1Cited by

10References

19Claims

0Family size

Assignee

Daimler-Benz AG · DE

Inventors

Hans-Juergen Fuesser · Herbrechtingen, DE
Karl Holdik · Ulm, DE
Klaus Rohwer · Ulm, DE
Martin Hartweg · Erbach, DE

Key dates

Filing date	Apr 22, 1997
Grant date	Jul 28, 1998
Priority date	—
Expiry date	Apr 22, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/30
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A layer construction with an organic layer and a transparent cover layer which covers the organic layer and which is harder than the organic layer, and a process for producing such a layer construction in which the cover layer is deposited on the surface of the organic layer from a precursor material present in the gas phase. In order to improve the optical quality of the layer construction, the cover layer, at least in a transition region between the organic layer and the cover layer, is deposited with an index of refraction which differs by a maximum of 20%, in particular by a maximum of 10%, from the index of refraction of the underlying organic layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.