SECURITY PAPER HAVING SEMI-TRANSPARENT MARK AND METHOD FOR PREPARING THE SAME

摘要

PURPOSE: A security paper having semi-transparent mark and a method for preparing the same are provided which provide the paper having clear, semi-transparent hidden picture and easily perform forgery prevention and discrimination of genuineness particularly when using a fluorescent ink. CONSTITUTION: The paper having semi-transparent mark paper is prepared by compressing a paper(4) prepared by a paper making machine with passing the paper through a rotating roll(2) that has a concavo-convex part and an upper part press roll(1), to form a semi-transparent mark corresponding to the concavo-convex shape on the paper. The security paper containing mark is prepared by the above method.