Screen Printing rediscovered

printandpeel-inprint

You may not be aware but screen printing has been part of the fabric of our environment for centuries now; from the clothes we wear, the cars we drive, to the electronic devices we rely on.

The screen printing process is a hugely versatile, yet controllable imaging process that can provide a cost effective solution for a myriad of applications. One such application is the printing of functional inks.

Most people think of functional printing as solely printing conductive/resistive inks, but of course there are many more applications where the ink is not there to look pretty but to do job, such as a peelable mask/tab protectors in PCB production, or as a dielectric layer in a membrane touch switch circuit or even as an EL illuminating emergency exit sign.

However printed electronics is the biggest of the functional printing applications. Typically conductive tracks can vary in width from 30µ to 3cms and 5µ to 500µ in height, and inks can be based on conventional Silver, nano-particle Silver, Carbon, conductive polymers etc., in fact a screen ink can be made from virtually anything conductive that can be mixed into a liquid. It is not surprising that there are so many different inks available when you think that functional printing covers applications as diverse as a heated trouser press, to a photo-voltaic panel.

This variety of applications is only possible due to the many different meshes and stencils available today to give you the control over the track dimensions and ink deposits required. Science has also proven that the ink transfer process in screen printing is inherently stable, ensuring controllability and continuity from print to print to give you the peace of mind and profitable production.

Quite simply, in the right hands, with the right products, screen printing is already a perfected process for functional printing.

To find out more about how screen printing can help your manufacturing process go to www.macdermidautotype.com

Come and meet the team at InPrint Industrial Print Show, Stand F41 in Hall 6

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