Process for the vacuum coating of metal components

Details Process for the vacuum coating of metal components Process for the vacuum coating of metal components

2001-03-30

2003-07-08

Meeks, Timothy (Department: 1762)

Coating processes

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

Pretreatment of substrate or post-treatment of coated substrate

C427S551000, C427S255260, C148S276000, C148S277000, C148S285000

Reexamination Certificate

active

06589608

ABSTRACT:

BACKGROUND OF THE INVENTION
Field of the Invention
The invention lies in the field of coatings. The invention relates to a process for the vacuum coating of metal components, in which the metal components, in all their regions, are uniformly preheated to a temperature of approximately 800° C. in a vacuum chamber by electron radiation.
A coating process is disclosed in German Published, NonProsecuted Patent Application DE 197 03 338 A1. The prior art process is used to preheat workpieces during vacuum coating so that the workpiece or metal component in question can be preheated uniformly using electron beams in a vacuum chamber for the workpiece to be subsequently coated in vacuo.
SUMMARY OF THE INVENTION
It is accordingly an object of the invention to provide a process for the vacuum coating of metal components that overcomes the hereinafore-mentioned disadvantages of the heretofore-known devices and methods of this general type and that provides a process for producing a homogeneous oxide layer on metal components with which it is possible to apply the oxide layer in a controlled and reproducible manner.


REFERENCES:
patent: 5262245 (1993-11-01), Ulion et al.
patent: 5514482 (1996-05-01), Strangman
patent: 5763107 (1998-06-01), Rickerby et al.
patent: 19703338 (1998-07-01), None

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