PECVD Silicon Nitride Film Property and Pre-deposition Surface Treatment Effects on MIMCAP Reliability for InGaP/GaAs HBT Applications
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Keywords: MIMCAP, PECVD, reliability, PCT, silicon nitride, deposition
We report on the development of two silicon nitride films deposited at 300°C using PECVD processes for applications in high density metal-insulator-metal capacitor dielectrics in InGaP/GaAs devices. The two films are compared to an existing silicon nitride film previously developed on a different deposition tool under different process conditions.
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