FIELD: textiles; paper.
SUBSTANCE: protected or special paper with internal elements of tactile identification consists of a sheet of paper with extending agents introduced and forming pattern or lettering. These agents when being pressed or heated or during sheet production or subsequent processes ensure sheet fanning-out, thus forming rounded and continuous relief embossing on the document surface.
EFFECT: invention makes it easier to identify and read bank notes especially for visually impaired people.
3 cl, 2 dwg
