Patent ID: 7927689

Claim:
An information carrier precursor comprising a rigid sheet or support; a receiving layer configuration comprising at least one layer; and at least one substance, provided pattern-wise, capable of and available for interacting in situ with at least one species diffusing through the receiving layer configuration to produce a functional species, wherein at least one layer of said receiving layer configuration is opaque, porous, has the capability of being rendered substantially transparent by penetration by a lacquer provided at the outermost surface of said receiving layer configuration and comprises at least one pigment and at least one binder, wherein the at least one substance provided pattern-wise is a diffusion inhibitor according to formula (I): wherein M is hydrogen, an alkali atom or an ammonium group; R 1 is an alkyl, alkenyl-, alkynyl-, thioalkyl-, thioalkenyl- or thioalkynyl-group in which the alkyl-, alkenyl- or alkynyl-group has 6 to 25 carbon atoms; X is —O—, —S— or —N(R 2 )—; and R 2 is hydrogen, a —(CH 2 ) m SO 3 M group or a group; and m is an integer between 1 and 5.