Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1985-11-25
1987-06-23
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
427 39, B05D 306
Patent
active
046750894
ABSTRACT:
A high quality Al.sub.2 O.sub.3 film is deposited by means of plasma enhanced chemical vapor deposition by passing a trialkylaluminum vapor over the surface of a substrate and CO.sub.2 gas as the oxidant in a plasma above the substrate surface. The CO.sub.2 is controlled to prevent particle formation due to gas phase reaction in the plasma as opposed to directly on the substrate surface.
REFERENCES:
Preparation and Properties of Aluminum Oxide Films Obtained by Glow Discharge Technique, H. Katto et al., J. Electrochem. Soc., 118, (10), 1619-1623 (1971).
Electrical Properties of Al.sub.2 O.sub.3 and AlP.sub.x O.sub.y Dielectric Layers on InP, L. G. Meiners, Thin Solid Films, 113, 85-92 (1984).
Plasma Enhanced Metal-Organic Chemical Vapor Deposition of Aluminum Oxide Dielectric Film for Device Applications, K. P. Pande et al., J. Appl. Phys., 54, (9), 5436-5440, (1983).
Lory Earl R.
Olmer Leonard J.
AT&T - Technologies, Inc.
Nguyen Nam X.
Niebling John F.
Spivak J. F.
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