ASSEMBLY AND METHOD FOR REDUCING FOIL WRINKLES

An assembly of a support plate and an exit window foil for use in an electron beam generating device. The support plate is designed to reduce wrinkles in the foil. The foil is bonded to the support plate along a closed bonding line bounding an area in which the support plate is provided with a patte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAAG, WERNER, LINNE, ULRIKA, HENRIKSSON, MATTIAS, WABER, TONI, HOLM, KURT, KRISTIANSSON, ANDERS
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:An assembly of a support plate and an exit window foil for use in an electron beam generating device. The support plate is designed to reduce wrinkles in the foil. The foil is bonded to the support plate along a closed bonding line bounding an area in which the support plate is provided with a pattern of apertures and foil support portions alternately. When vacuum is created in the housing the pattern is adapted to form a topographical profile of the foil substantially absorbing any surplus foil. Another aspect involves a method in a filling machine for sterilizing a packaging material web.