Patent ID: 6220633
Filing Date: 2001-04-24
Classification: B41J,B41M,B42D,G03G,G09F

Abstract:
A form comprising:an upper transparent lamina having an exposed upper surface, the exposed upper surface of the upper transparent lamina being adapted to receive printed confidential information from a printer, anda lower non-transparent lamina bearing scrambling means which are visible from above through the upper transparent lamina, the scrambling means being selected such that confidential information printed on the exposed upper surface of the upper transparent lamina cannot be read whilst the scrambling means is beneath the confidential printed information,wherein the upper transparent lamina and lower non-transparent lamina are bonded together,and wherein confidential information printed on the exposed upper surface of the upper transparent lamina becomes readable when the bond between the upper transparent lamina and lower non-transparent lamina is broken and the upper transparent lamina and lower non-transparent lamina are physically separated, said physical separation causing an indication that the security of confidential information printed on the exposed upper surface of the upper transparent lamina has been breached.