Fixture for use in a coating operation

Details Fixture for use in a coating operation Fixture for use in a coating operation

2006-06-05

2010-11-23

McDonald, Rodney G (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

C204S298410, C118S728000, C118S729000, C118S730000, C118S500000, C118S505000

Reexamination Certificate

active

07837843

ABSTRACT:
This invention relates to a fixture for use in a physical vapor deposition coating operation which comprises a support structure14comprising a circular base member10, a circular top member11opposite the circular base member10, and a plurality of structural members12joining said top member11to said base member10; a plurality of panel members13aligned in a vertical direction around the outer periphery of said support structure14forming a cylinder-like structure; said panel members13including a plurality of apertures for holding workpieces19and35to which a coating is to be applied; and said apertures positioned on said panel members13so that said workpieces19and35are aligned in a staggered vertical direction. This invention also relates to a method for simultaneously coating a plurality of workpieces19and35, such as gas turbine compressor blades and vanes, with erosion resistant coatings using the fixture of this invention.

REFERENCES:
patent: 5702574 (1997-12-01), Foster et al.
patent: 5879753 (1999-03-01), Zajchowski et al.
patent: 5997947 (1999-12-01), Burns et al.

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