Screen printing is a widely used technique to imprint designs onto different surfaces including fabric, paper, and synthetic materials. This method involves forcing ink through a mesh structure to ...

However, silk-screen printing equipment can be used ... can be purchased wholesale for less than $5 each and the ink used to print the image adds up to only a few cents per printed item.

A novel ink with enhanced security features developed with luminescent nanomaterials can help stop counterfeiting in currency, certificates, branded goods and medicines.Counterfeiting is a growing pro ...