Plasma activation :
Surface tension modification by crystalline structure reorganization

Process description The piece to treat is placed in the work chamber. Inside, a glow discharge of ionized gas is excited and maintained by a High Frequency generator. The plasma is a mixture of electrons, ions, photons, radicals …when a piece is immersed inside, the surfaces react with the different active species. The action of a plasma on a surface can lead to several reactions : Surface structure modification Grafting of chemical bonding favouring mouillability and interfacial attraction New chemical bounding creation by splitting molecular chains	Cleaning in line system for surfaces activation Several techniques can be configured : Glow discharged treatment Post glow discharged treatment The following parameters allow to optimized the process : Time processing Pressure Gas flow rate Excitation frequency Power	The process advantages Environment friendly process : no chemical solution utilized Homogenous treatment process allover the sample High production cadency Low exploitation costs Adaptable with every materials : textile, metals, synthetic resin, glass... Usable even for complex samples shapes : the gas penetrate everywhere. Applications Finishing treatment after chemical treatment Sterilization Elimination of photoresist resin, superficial etching on printed circuit Cleaning and treatment of all types of electrical contacts Surface state modification for molded pieces Surface preparation before sticking to enhance the adherence

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