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Authors

Mark A. Bossard

Publication Date

2000

Document Type

Paper

Abstract

A Tantalum Pentoxide deposition by reactive sputtering was optimized on a CVC-601 sputterer and working MOS transistors were made using Tantalum Pentoxide. The target was an 8” pure Tantalum target. The optimization was done over a power range of 700 to 1700W DC and over an Oxygen flow of 15 to 35%. The optimal process from this study was at 1200W and an Oxygen flow of 15% or less. A standard PMOS process was modified to use Tantalum Pentoxide using the gate dielectric. The resulting transistors worked well.

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