PROCEDE POUR LA PREPARATION DE COUCHES D'ABSORBEUR SELECTIVES A HAUT POUVOIR D'ABSORPTION ET FAIBLE EMISSION, EN PARTICULIER POUR COLLECTEURS SOLAIRES

摘要

The new method is characterised in that an absorber surface is formed which is composed of a metal which forms a black oxide or has a covering layer composed of such a metal and the metal is transformed into the black oxide by electrolytic oxidation in alkaline solution at approximately room temperature.