ST Life.augmented

Validation

Front end technology key components

Bullet Functionality of the Technology Platform Qualification Vehicle demonstrated, plan for final qualification

Bullet Characterization on typical silicon to demonstrate alignment with models

Bullet Technology reliability at wafer level (and package level when necessary)

Bullet EWS testing capability and front end/back end compatibility with corresponding FMEA

Bullet Process flow, control plan and technology FMEA

Bullet New material specification and Qualified Material List (QML) updated

Bullet Preliminary front end/back end compatibility ensured

Back end technology development key components

Bullet Process parameter compatibility check with production environment conditions

Bullet Stress qualification trials with defined parameters, materials, flow chart and control plan to validate new production environment

Bullet Front end/back end compatibility ensured

Bullet Secure product deliveries on advanced technologies using stress methodologies to detect potential weak parts

Bullet Advanced design rule specification updated (if needed)

Bullet Relevant failures identified and documented in the Failure Mode Knowledge Matrix (FMKM)

Bullet Process FMEA, flow chart and control plan

Bullet Process capability on all steps (attribute, variable) checked

Bullet Equipment selection and validation

Bullet First version of equipment FMEA for new equipment

Product development key components

Bullet Analysis of new product specification to forecast reliability performance

Bullet Reliability plan, reliability design rules, prediction of failure rates for operating life test using Arrhenius’ law and other applicable models

Bullet Use of tools and methodologies, such as APQP, DFM, DFT, DFT, DFMEA, FMKM

Bullet Detection of potential reliability issues and solutions to overcome them

Bullet Assessment of Engineering Samples (ES) to identify the main potential failure mechanisms

Bullet Statistical analysis of electrical parameter drifts for early warning in case of fast parametric degradation (such as retention tests)

Bullet Failure analysis on failed parts to clarify failure modes and mechanisms and identify the root causes

Bullet Physical destructive analysis on good parts after reliability tests when required

Bullet Electrostatic discharge (ESD) and latch-up sensitivity measurement

 

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