Inline passivation of vacuum-deposited aluminum on web...

Details Inline passivation of vacuum-deposited aluminum on web... Inline passivation of vacuum-deposited aluminum on web...

2006-10-25

2010-10-05

Chen, Bret (Department: 1715)

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

C427S250000, C427S294000

Reexamination Certificate

active

07807232

ABSTRACT:
In a continuous in-vacuum process for the manufacture of a film metallized with aluminum, the aluminum layer is exposed to a passivating agent, inline, immediately after deposition and prior to rewinding of the film onto a take-up roller. Passivation is carried out by plasma treatment in an oxidizing atmosphere (oxygen, nitrogen or others). The resulting product exhibits no peel-off problems during unwinding of the take-up roller and greatly improved corrosion resistance.

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Ludwig, Rainer, et al., “Clear Barriers and High Volume Productivity”No date nor pages nor reference information provided.

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