under application of an electrical potential difference

Full Title

Surface treatment of fibres or filaments made from glass, minerals or slags > by diffusing ions or metals into the surface > in the liquid phase, e.g. using solutions or molten salts > to perform ion-exchange between alkali ions > under application of an electrical potential difference

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

GLASS; MINERAL OR SLAG WOOL

Subclass:

CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS