SURFACE TREATMENT OF A FLUORINATED MATERIAL LAYER TO RENDER IT HYDROPHILIC

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The invention concerns a treatment method to make a surface of a layer made from a fluorinated material hydrophilic, a method for depositing a layer made from a metal or semi-conductive layer on the surface of a layer made from a fluorinated material, and a device comprising a layer made from a fluorinated material of which one surface has been treated by the treatment method of the invention, and a layer made from a metal material. The method of the invention comprises a step a) of depositing a layer of an oxo-hydroxide of an element from the alkaline earth metal group or from group II or III of the periodic table or of a rare earth or of a mixture of same, onto said surface. The method of the invention is applicable in the field of electronics, in particular.