Coating apparatus – Gas or vapor deposition – With treating means
Patent
1995-03-03
1995-10-17
Bueker, Richard
Coating apparatus
Gas or vapor deposition
With treating means
118715, 118726, C23C 1400
Patent
active
054586860
ABSTRACT:
This invention directs itself to a pulsed laser passive filter deposition system (10) which provides a blocking and transparent mask mechanism (34) placed between a target (14) and a substrate (12) to be coated. The blocking and transparent mask mechanism (34) includes a blocking member (36) which casts a blocking shadow having a greater cross-sectional area than the substrate (12), to block linearly travelling clustered species particulates (22) from impinging on the substrate (12). The blocking and transparent mask mechanism (34) also includes annularly shaped disk members (38 and 44) having openings (40 and 46) formed in a central portion to allow passage of the atomic species (20) of the composition being coated on the substrate (12) where the atomic species (20) is deflected by impingement with background gas molecules (26). In this manner, the substrate (12) is coated with the atomic species (20) in a uniform coating without having the clustered species (22) being coated on the substrate (12).
REFERENCES:
patent: 5015492 (1991-05-01), Venkatesan
patent: 5126165 (1992-06-01), Akihama
patent: 5316585 (1994-05-01), Okamoto
patent: 5334252 (1994-08-01), Yoshida
Green Steven
Pique Alberto
Venkatesan Thirumalai
Bueker Richard
Klein David I.
Neocera, Inc.
Rosenberg Morton J.
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