PROCESSING METHOD OF CONCEALING SHEET AND CONCEALING SHEET

摘要

PPROBLEM TO BE SOLVED: To solve the problem that a printing base material needs to be filmed or laminated for the purpose of releasing a calendered paste, in the printing base material for a concealment part, of printed matter concealing secret information, although a secret information concealment disclosure sheet and printed matter, both using a scratch method or film. PSOLUTION: This concealing sheet processing method designates variable information as secret information, imparts the variable information to be concealed by output equipment, applies a weak adhesion process to the variable information part, applies a strong adhesion process to a part other than the weak adhesion process-applied part, and folds together or laminates a sheet main body with a concealment opening part which discloses the secret information. Also the concealing sheet is provided. PCOPYRIGHT: (C)2008,JPO&INPIT