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Henniker Plasma Treatment 
 

        Download here PDF for more info.


Plasma Technology Overview

Plasma technology has been an important production tool for many decades in the fabrication of microelectronic devices for example. Over this period,
plasma technology has also become invaluable in many other areas of industry and including automotive, medical devices, textiles, and aerospace to name but a few.

What is plasma treatment & what can plasma treatment do?

Plasma treatment is used to clean and activate surfaces to improve their adhesion characteristics. Plasma cleaning removes trace organic contamination from the surface,
which would otherwise prevent good adhesion. At the same time, plasma treatment activates the surface and turns it from a low to a
high surface energy state so that it becomes easily wettable by adhesives,  paint, glue etc. Plasma treatment solves problems of poor adhesion in many industries.

Plasmas have a number of unique properties that have led to such widespread application:

  • Ability to treat complex 3D objects
  • Environmentally friendly, no waste chemicals
  • Can be almost infinitely ‘tuned’ to deliver surface specific properties     
  • Ability to treat temperature sensitive materials
  • Treat conductors, semi-conductors and insulators alike
  • Very low unit cost per treatment
  • Ability to produce high value-added property to product
  • and many, many more

What is Plasma Treatment?

Plasma treatments are used to alter the surface properties of a wide range of materials to make them easier to bond, glue and paint. By treating parts we both
clean and activate the surface, improving their adhesion characteristics.

It’s useful to start by defining what a plasma is. Solid, liquid and gas are the three states of matter we are all familiar with. We can move between the states
by adding or removing energy (e.g. heating/cooling). If we continue to add enough energy, gas molecules will become ionised (lose one or more electrons)
and so carry a net positive charge. If enough molecules are ionised to affect the overall electrical characteristics of the gas the result is called a plasma.
Plasmas are, therefore, quite rightly, often referred to as the fourth state of matter.

what is plasma treatment schematic drawing of the plasma process

A plasma contains positive ions, electrons, neutral gas atoms or molecules, UV light and also excited gas atoms and molecules, which can carry a
large amount of internal energy (plasmas glow because light is emitted as these excited neutral particles relax to a lower energy state).
All of these components can interact with the surface during plasma treatment. By choosing the gas mixture, power, pressure etc.
we can quite precisely tune, or specify, the effects of the plasma treatment.

Go to the Henniker website for more info.