Patent ID: 6124078
Filing Date: 2000-09-26
Classification: C09B,G03C,Y10S

Abstract:
A method for information recording comprising the step of exposing a photo-recording material to ultra violet radiation so that information is recorded on the photo-recording material, said photo-recording material comprising a compound represented by the following Formula (1), ##STR10## wherein Z.sub.1, Z.sub.2 and Z.sub.3 each represents a carbon atom or a nitrogen atom, R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom andsubstituents, Z.sub.2 and Z.sub.3 may form a condensed ring, Z represents N or CH, X.sup.+ represents an organic cation, and the sum of molecular weights of X, R.sub.1, R.sub.2 and R.sub.3 is 260 to 1000, m represents an integer of 0 to 4, n represents an integer of 0 to 3.