Failure Analysis Procedures Customer Return Handling Flow en
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Customer Return Handling Flow
Failure Analysis Procedures
Customer Return Handling Flow
ensure that customers receive prompt efficient service, Winbond developed detailed procedure handling products returned customers (see Figure 4.1). Field quality
Failure Analysis Procedures
successful failure analysis should indicate root cause failure suggest appropriate corrective measures. Since subject wide range failure modes, which caused variety factors, Winbond established comprehensive failure analysis procedure guide analysis evaluation rejected products. Failure analysis generally conducted Winbond's sophisticated in-house failure analysis laboratory; special cases, failure analysis work also subcontracted outside labs. Figure depicts general failure analysis procedure.
formation essential factor improving product quality. Field failures subjected detailed failure analysis, results which used propose corrective action implementation design, production, testing.
Ship Problem-Corrected Products Customer
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Claim Information
Sale/FAE/ Window
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Claim Information
Reply Department Failure Analysis Request Engineering Countermeasure Request Find Cause Take Actions Halt Shipment
Engineering Department
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Distribution Department
Engineering Instructions Manufacturing Department Request Engineering Countermeasure
Manufacture ProblemCorrected Products
Figure Customer Claim Processing Flow
Failure Verification Analysis Wafer Device Data
External Inspection
Electrical Analysis
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Internal Electrical Probe
Process Data
Physical Tests
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Analysis
Chemical Tests
Circuit Hsitory Analysis Report
Cross-Section
Figure Failure Analysis Procedure
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