Prepn. of color invisible graph regression anti-fake product

Application Number: 00107575
Application Date: 2000.05.19
Publication Number: 1325093
Publication Date: 2001.12.05
Priority Information:
International: G09C5/00
Applicant(s) Name: Qicaiguang Steal &. Anti-fake Techn Co., Ltd., Guizhou
Inventor(s) Name: Ding Man;Chen Enda;Mo Chunli
Patent Agency Code: 11219
Patent Agent: wang dazuo
Abstract The production method of antifake product with reproduceable colour invisible pattern incldues the following steps: making the composite microbeads which possess base nucleus and external surface layer and their diameter is 38-42 micrometers undergo the processes of titanium plating and/or silicon plating treatment, implanting the coated composite microbeads capable of reflecting different colour onto the base material on which the apparent pattern is printed and the transfarent pressure-sensitive adhesive is applied, positioning and fixing them to form the defined invisible pattern. Said antifake product with the invisible pattent possesses good antifake effect, when it is observed by eyes, its apparent pattern appears, and when it is observed by using reflector, the apparent pattern is removed, and the colour invisible pattern can be appeared.