Method for fabricating semiconductor device by using PECYCLE-CVD process
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United States of America Patent
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May 16, 2006
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N/A
app pub date -
Dec 18, 2003
filing date -
May 9, 2003
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Abstract
Disclosed is a method for fabricating a semiconductor device by using a PECYCLE-CVD process. The method includes the steps of feeding source gas into a process chamber for predetermined time within one cycle, allowing reaction gas to flow in the process chamber at least until a plasma reaction is finished in the process chamber and feeding purge gas into the process chamber for a predetermined time within one cycle, thereby purging residual products remaining in the process chamber after source gas is reacted, forming plasma in the process chamber for a predetermined time within one cycle so as to allow reaction gas to react with plasma, thereby depositing a thin film on a wafer, and feeding purge gas into the process chamber for a predetermined time within one cycle, thereby purging residual products remaining in the process chamber after reaction gas is reacted. Superior step-coverage and uniformity of the thin film are achieved while depositing the thin film at a higher speed.
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