Applied Materials, Inc.
Hydrogen Free Silicon Dioxide

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Abstract:

Hydrogen free (low-H) silicon dioxide layers are disclosed. Some embodiments provide methods for forming low-H layers using hydrogen-free silicon precursors and hydrogen-free oxygen sources. Some embodiments provide methods for tuning the stress profile of low-H silicon dioxide films. Further, some embodiments of the disclosure provide oxide-nitride stacks which exhibit reduced stack bow after anneal.

Status:
Application
Type:

Utility

Filling date:

11 Feb 2021

Issue date:

19 Aug 2021