Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1989-12-28
1991-08-06
Tung, T.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
427 51, 427 531, 427 541, 427 55, 427255, 4272553, 437238, C23C 1624
Patent
active
050375148
ABSTRACT:
An improved method for forming a silicon oxide layer is shown. In the method, Si.sub.2 Cl.sub.6 is used as silicon oxide gas of the process gas. The silicon oxide layer is formed with a very low density of natural oxide which has been removed by free chlorine atoms, a byproduct of the process.
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Bell et al., "Calculation of Heats of Formation and Dissociation of Methyl- and Chloro-Substituted Disilanes", J. Phys. Chem., vol. 86, pp. 3922-3925 (1982).
Ryser David G.
Semiconductor Energy Laboratory Co,. Ltd.
Tung T.
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