Patent ID: 7289337

Claim:
An electronic card comprising: a first face and a second face, said faces including mechanical reinforcements formed from a first braced structure placed on the first face and from a second braced structure placed on the second face of said electronic card, each braced structure comprises a brace formed by a small diameter metal cable or thin metal blade and means for mechanically tensioning the brace, wherein the means for mechanically tensioning are common to the brace of the second braced structure and to the brace of the first braced structure, and further wherein the common mechanical tensioning means comprise: a central mast passing through the electronic card and having a first end and a second end: the first end of said mast being located on the same side as the first face, the brace of the first structure being fastened to said first end; and the second end being located on the same side as the second face, the second end carrying a mechanical assembly fastened to the brace of the second structure, said mechanical assembly comprising means for translationally adjusting the brace along the central mast and for fixing it thereto, the central portion of the brace of the second structure being fastened to said mechanical assembly; at least two central brace supports located on the first face, these being placed on either side of the central mast, each brace support having a lower end, fastened to said first face, and an upper end, the base of the first braced structure resting on said upper ends of said central brace supports; and at least two central brace supports located on the second face, these being placed on either side of the central mast, each brace support having a lower end, fastened to said second face, and an upper end, the brace of the second braced structure resting on said upper ends of said central brace supports.