Patent ID: 7059535

Claim:
A transponder document inlay for a personal identification having at least one ID page, the document inlay comprising: a transponder unit including a chip unit and an antenna; an inner layer formed from a thermoplastic and defining a transponder substrate for positioning said transponder unit; a first inlay cover layer made of a foamed plastic with pores; and a second inlay cover layer made of a foamed plastic with pores, said transponder substrate being provided in contact with said transponder unit received thereon and said transponder substrate with said transponder unit received thereon cooperating with said first inlay cover layer and said second inlay cover layer to form a laminated layered construction with said transponder substrate with said transponder unit received thereon between said first inlay cover layer and said second inlay cover layer whereby the adhesion between said transponder substrate with said transponder unit received thereon, said first inlay cover layer and said second inlay cover layer resulting after lamination includes adhesion based on penetration of the thermoplastic of said transponder substrate into pores of said foamed plastic of each of said first inlay cover layer and said second inlay cover layer.