Wafer Mapping of Total Dose Failure Thresholds in a Bipolar Recessed Field Oxide Technology

Abstract
Ionizing radiation failure thresholds were measured across a silicon wafer using 10 KeY x-rays to determine the success of hardened process modifications and to examine wafer level hardness assurance screening techniques. Topological wafer maps of the total dose failure response for Signetics 74F00 circuits are presented.

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