Method for plasma treatment in hollow bodies

A method for plasma treatment in hollow bodies includes providing a hollow body which has an opening and which is at least partially flexible; evacuating the hollow body with volume contraction to a first pressure which is preselected such that the hollow body, after evacuating and sealing, experien...

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Bibliographische Detailangaben
Hauptverfasser:	HOLLAENDER ANDREAS, BEHNISCH JUERGEN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR RELEVANT APPARATUS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for plasma treatment in hollow bodies includes providing a hollow body which has an opening and which is at least partially flexible; evacuating the hollow body with volume contraction to a first pressure which is preselected such that the hollow body, after evacuating and sealing, experiences a volume expansion in the region of a second pressure, by means of which volume expansion the pressure in the hollow body assumes a value which allows ignition of a non-thermal gas discharge in the hollow body; gas-tight sealing the hollow body while maintaining the first pressure; introducing the hollow body, after evacuating and sealing, into a vacuum chamber; evacuating the vacuum chamber to the second pressure; and igniting a gas discharge in the hollow body after sealing by application of an electrical field.