Licentia Patent-verwaltungs Gmbh

Josef Stuke

Manfred Lutz

Karl-Heinz Kassel

Hubert Walsdorfer

In a method for producing an electrophotographic recording material composed of a dual layer of amorphous and crystallized selenium applied to an electrically conductive substrate, tellurium is vapor-deposited in a vacuum onto the surface of the conductive substrate to a layer thickness of about 0.5 to about 5 nanometers to form a tellurium layer, and selenium is vapor-deposited onto the tellurium layer to a layer thickness of about 20 to about 100 microns to form the dual layer of amorphous and crystallized selenium.

Method for producing an electrophotographic recording material having

In a process for producing an electrophotographic recording material composed of a double layer of amorphous and crystallized selenium on an electrically conductive carrier, a layer of tellurium having a thickness of 10 to 500 nm is applied onto the surface of the carrier, and selenium is then vapor-deposited onto the tellurium layer to a thickness of 20 to 100.mu. to form the double layer.

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Marburg, Germany

Josef Stuke