Method for manufacturing a handle substrate intended for temporary bonding of a substrate

Abstract

A method for manufacturing a handle substrate, the method including the steps of: a) providing a support substrate comprising a receiving face, b) forming a film by depositing an anti-adherent formulation including a first solvent over the receiving face of the support substrate, c) depositing a liquid formulation over a face of the film, before the complete evaporation of the first solvent, the liquid formulation being intended to form an adhesive layer, and has a γl(liquid) surface energy, and d) evaporating the first solvent so as to obtain anti-adherent film from the film in order to obtain the handle substrate, the anti-adherent film allowing obtaining a bonding energy with the adhesive layer that is low enough: <1.2 J/m2 or advantageously <0.4 J/m2.

Dependencies are inferred from the claim text.