Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Reexamination Certificate
2007-01-23
2007-01-23
Lavilla, Michael E. (Department: 1775)
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
C428S626000, C428S323000, C428S328000, C428S212000, C428S220000, C428S330000, C428S332000, C428S334000, C428S339000, C428S457000
Reexamination Certificate
active
10182276
ABSTRACT:
A composite comprises a chemical, mechanical and/or optical protective and/or diffusion barrier layer disposed on a metal or plastic substrate. The layer consists of an organic layer matrix with metal-containing particles dispersed therein, the metal-containing organic layer being plasma-polymerized starting from at least one hydrocarbon which can be substituted and one metal-containing component. The protective and/or diffusion barrier layer is used in a thickness (d) in the submicron range and contains metal particles finely dispersed therein, that have a grain size that lies below 50% of the layer thickness (d). The organic layer matrix is deposited by plasma polymerization from a process gas that comprises at least one hydrocarbon that can also be substituted and one metal-containing component and/or an inorganic gas in a reactor that can be evacuated.
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An article entitled “Plasma Chemical Vapour Deposition of Iron-Containing . . . ”, By Wrobel et al., published 1992, pp. 42-58, July.
Incoat GmbH
Lavilla Michael E.
Notaro $ Michalos PC
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