Infineon Technologies Ag

Franz Winterauer

Walter Hartner

Frank S Hintermaier

Volker Weinrich

Joachim Hoepfner

Guenther Schindler

Hans Cerva

A method for producing a ferroelectric layer includes preparing a substrate, applying a layer of material, which will be subsequently converted into the ferroelectric layer, and changing the material into the ferroelectric layer by applying an outer electrical field aligned with the direction desired in the ferroelectric material and heat treating the material. By providing a first noble metal electrode on the surface before applying the material that is to become the ferroelectric layer and then subsequently forming a second noble metal electrode on the ferroelectric layer, a ferroelectric storage capacitor can be formed. If the substrate is provided with memory cells, which include at least one transistor for each cell and the above-mentioned ferroelectric storage capacitors, a ferroelectric memory arrangement can be produced.

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Bad Ischl., Australia

Franz Winterauer