Method of inhibiting production of projections in metal...

Details Method of inhibiting production of projections in metal... Method of inhibiting production of projections in metal...

2005-03-01

2005-03-01

Meeks, Timothy (Department: 1762)

Coating processes

Magnetic base or coating

C427S528000, C427S531000, C427S250000, C427S251000, C427S255500, C204S192200

Reexamination Certificate

active

06861089

ABSTRACT:
A method of inhibiting production of projections in a metal deposited-film according to the present invention is characterized by using a vapor deposition apparatus comprising, in a vacuum-treating chamber, an evaporating section for a depositing material, and an accommodating member and/or a holding member for accommodation and/or hold of work pieces, respectively, and, in depositing a metal depositing material on each of the surface of the work pieces with the accommodating member and/or the holding member being made rotated about the horizontal rotational axis thereof, carrying out vapor deposition with a Vickers hardness of a film formed on each of the surface of the work pieces maintained at 25 or more. According to the present invention, production of projections in a metal deposited-film can be effectively inhibited when forming the metal deposited-film of aluminum, zinc or the like on the surface of a work piece such as a rare earth metal-based permanent magnet.

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Graham Legge; “Ion Vapor Deposited Coating for Improved Corrosion Protection”; Industrial Heating; pp 135-140; Sep. 1994.
Chinese Office Action with English translation dated May 28, 2004.

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