Coating apparatus – Gas or vapor deposition – Multizone chamber
Patent
1997-06-06
1999-06-08
Bueker, Richard
Coating apparatus
Gas or vapor deposition
Multizone chamber
118726, C23C 1600
Patent
active
059102195
ABSTRACT:
A coating apparatus is provided which comprises a can defining an internal chamber. A hollow sleeve which itself defines an internal space is located within the chamber. The hollow sleeve defines with the can an annular space. A plurality of perforations are located in the wall of the hollow sleeve for communicating the annular space with the internal space defined by the sleeve. A lid for enclosing the can and the hollow sleeve is secured to the can for forming a closed compartment.
REFERENCES:
patent: 5308399 (1994-05-01), Pillhoefer
patent: 5439525 (1995-08-01), Peichl
Bose Krishnangshu
LaFlamme David W
Magyar Lester J
Perry Terry T.
Bueker Richard
United Technologies Corporation
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