Plasma with its unique technology has been playing a more and more important role during the fabrication of products in electronic appliances, architecture, digital devices, automotive industry, sport, and fashion, … In fact, it would be difficult to identify a modern product that has not benefited from Plasma Treatment at some stage during its manufacturing process.
So what are Plasma’s unique properties that make it lead to such widespread applications?
■ Ability to treat complex 3D objects and micro-channels that hard to reach with normal methods
■ Plasma is a cleaning process without any chemicals, it’s a completely environmentally friendly process
■ Easily Increase Surface Energy just in one step
■ Ability to treat temperature sensitive materials
■ Treat conductors, semi-conductors, and insulators which all are small and dedicate and difficult to bond
■ Cost-saving with very low unit cost per treatment
■ Ability to produce high value-added property to product
4 MAIN ADVANTAGES OF PLASMA TREATMENT
1. Plasma Cleaning
Plasma cleaning is a proven, effective, economical, and environmentally safe method for critical surface preparation. Plasma cleaning with oxygen plasma eliminates natural and technical oils & grease at the nano-scale and reduces contamination up to 6 fold when compared with traditional wet cleaning methods, including solvent cleaning residues themselves. Plasma cleaning produces a pristine surface, ready for bonding or further processing, without any harmful waste material.
2. Plasma Surface Activation
Low energy substrates are gaining popularity in many manufacturing processes. These substrates offer benefits, such as durability, flexibility, and cost-effectiveness.
Yet while adhesives have been adapting to challenges that low surface energy poses, these substrates also can adjust by Plasma Treatment.
Plasmas afford an effective surface activation pre-treatment prior to printing, lacquering or bonding. Glass and ceramics can be plasma-activated similarly.
3. Plasma Coating
In plasma coating, a nano-scale polymer layer is formed over the entire surface area of an object placed in the plasma.
The coating process takes just a few minutes. The coating produced is typically less than 1/100th thickness of a human hair, colorless, odorless, and doesn’t affect the look or feel of the material in any way. It is a permanent coating too, being bound to the material surface on an atomic scale.
4. Plasma Etching
Plasma etching is used to ‘roughen’ a surface, on the microscopic scale. The surface of the component is etched with a reactive process gas.
Material is precisely sputtered off, converted to the gas phase, and sucked away via the vacuum system. The surface area is greatly increased, making the material easily wettable. The etching is used before printing, bonding, and painting and is particularly useful for processing of e.g. POM and PTFE, which cannot otherwise be printed on or bonded.
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