Patent ID: 7919362

Claim:
Method for preparing a cover for protecting a component housed on or in a substrate comprising the following steps: definition on the substrate of at least one zone for anchoring the cover on the substrate, offset from a central zone in which the component is located, formation of a buckling layer comprising one or more component layers on the substrate, extending on the central zone and beyond, the buckling layer having an adhesion to the substrate, in the central zone, lower than that presented in the anchoring zone, buckling of the buckling layer to give a convex shape to the buckling layer and creating a cavity at the central zone, the convex shape relating to an inside of the cavity, the buckling layer being anchored to the substrate at the anchoring zone, wherein the definition on the substrate can be carried out before, during or after the formation step but before the buckling step, and the buckling step can be carried out during or after the formation step.