Patent ID: 6376028
Filing Date: 2002-04-23
Classification: C23C,H01J,Y10S,Y10T

Abstract:
A device to be positioned in a plastic container (1) with a narrow opening and with a container axis (X) passing through the container opening for treating the inside surface of the plastic container in a plasma enhanced process, the device (2) extending substantially along the axis (X) of the container with a connecting end (21) passing through the container opening and a distal end (22) extending towards the container bottom opposite the container opening, the device comprising a gas feed tube (23) made of a porous material or of a perforated material for feeding a process gas into the container and means (24) for establishing a stationary magnetic field in the container, wherein the means for creating the stationary magnetic field is arranged inside the gas feed tube (23) and comprise at least one permanent magnet whereby a north pole and a south pole of said at least one magnet are positioned on opposite sides of the container axis (X).