Audi Ag

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Volkswagen Ag

Heike Walter

Bernd Szyszka

Thomas Drescher

Wolfgang Werner

Joachim Schuetz

Volker Sittinger

Felix Horstmann

Annegret Matthai

Tjhay Weyna Boentoro

Bernd Hangleiter

The present invention relates to a glass product, comprising a glass substrate with a transparent and conductive indium tin oxide layer having a covering layer, which forms a redox barrier for the indium tin oxide layer, wherein the indium tin oxide layer is obtained by pulsed, highly ionizing high-power magnetron sputtering (HPPMS) in which&#x2014;the pulses of the magnetron have a peak power density greater than 1.5 kW/cm,&#x2014;the pulses of the magnetron have a time duration that is &#x2266;200 &#x3bc;s, and&#x2014;the mean current flow density rise upon ignition of the plasma within a time interval that is &#x2266;0.025 ms is at least 106 &#x39b;(ms cm2), and the indium tin oxide layer has a crystalline structure, in such a way that the (222)-reflection of an X-ray diffraction spectrum after the production of the indium tin oxide layer is shifted relative to the powder spectrum of indium tin oxide by a maximum of 1 degree, preferably by 0.3 degrees to 0.5 degrees, in the direction of compressive stress and is shifted after heat treatment by a maximum of 1 degree, preferably by 0.2 degrees to 0.4 degrees, in the direction of the powder spectrum.

Glass product

Growing community of inventors

Braunschweig, Germany

Heike Walter