Course Outline Day 1

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Reliability & Quality Program (Day 1)

Management Overview

Program requirements and justification.

ROI and DOE.

Test Samples and Statistics Confidence Levels.

Defining program requirements, resources and skill sets; Who, What, Where, and How?

 Reliability Program

Reliability and Quality definitions.

Product Life Cycle Phases.

Reliability test requirements at proto-build; EVT, DVT, DMT and FMT.

Reliability test requirements at pre-production build; RDT, STRIFE, HALT.

Reliability test requirements at FRS build; ESS, Stress Screening, HASS, RDT

Reliability test requirements at volume production; ORT, HASS™TM, AST (wear-out).

 Field Distribution & Degradation Rate

Population Stress and Strength Distribution.

Accelerated product strength degradation rate versus normal life degradation rate.

Affects of Product Design Robustness and Margins on field reliability.

 Understanding Failure Modes and Mechanisms

Relationship of failure modes-mechanisms & stress.

Time dependent cyclic and non-cyclic failures.

Time and stress dependent failures.

 Accelerated Reliability Test Methods

Mechanical SN curves, Bathtub Curves, Arrehenius Eq. and Fatigue Life Estimates.

Mathematical modeling and interpretation for various stress types and combinations.

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Last modified: 06/21/04