Tamperproof label construction

摘要: A tamperproof label is provided in which the underside of a transparent film partially masked with substance having limited adhesivity for and imprinting applied to both undersurface mask. To form pressure-sensitive label, adhesive layer over imprinted mask, greater adhesion mask than film. Once has been substrate any removal will result all or portion layer, essentially corresponding pattern remain on printed also be removed thereby destroying intelligence imprint.