Method of making electrically conductive patterns on a substrate

A method for producing electrically conductive patterns on a surface of an electrically insulating substrate, said method comprising:

• covering said surface uniformly with a layer of an electrically conductive material;
• forming a template of said electrically conductive patterns on said electrically conductive material layer by spraying a jet of protective material which is polymerizable under the action of radiation, said template being provided with openings corresponding to portions of said electrically conductive material layer to be removed, wherein said template is formed and rigidified on said electrically conductive material layer utilizing a mobile jet printing head to spray said jet of protective material and a mobile source of polymerizing radiation by moving said mobile jet printing head and said mobile source of polymerizing radiation together relative to said electrically conductive material layer so as to cover all its zones intended to form said electrically conductive patterns and to polymerize the protective material constituting said template as it is being formed on said electrically conductive material layer;
• and
• selectively removing the portions of said electrically conductive material layer, which do not correspond to zones intended to form said patterns, through said openings of the template, after the template is rigidified, while the zones of said electrically conductive material layer corresponding to said patterns are protected by said rigidified template.