1. Event Detectors www.analysistech.com1 Interconnect Reliability Testing by Dr. John W. Sofia Analysis Tech Phone: (781) 245-7825 Fax: (781) 246-6257 Email: info@analysistech.com Website: www.analysistech.com

2. Event Detectors www.analysistech.com2 Trends in Electronic Interconnects Larger numbers of interconnects / signals Smaller (less robust) mechanical size interconnects

3. Event Detectors www.analysistech.com3 Trends in System Costs Decreasing cost-performance ratio Increasing cost of system failure to end user

4. Event Detectors www.analysistech.com4 Major Causes of Electronic Failures Reynell, M. 1990 Source: U.S. Air Force Avionics Integrity Program

5. Event Detectors www.analysistech.com5 Event Detectors: Test Systems for Interconnect Reliability Measurement Solder joints Separable connectors Crimp interconnects All advanced interconnects

6. Event Detectors www.analysistech.com6 Joint Failure Mechanism: Solder Joint Stress / Strain from Thermal Cycles

7. Event Detectors www.analysistech.com7 Joint Failure Mechanism: Solder Joint Stress / Strain from Vibration

8. Event Detectors www.analysistech.com8 Event Detector Applications: Interconnect design and development Product evaluation for reliability Process control and quality monitoring

9. Event Detectors www.analysistech.com9 Event Detector Application Industries Telecomunications: Motorola, Lucent, Ericson, Nokia, … Automotive: Ford, Chrysler, General Motors, … Computer: Intel, Sun, IBM, AMD, Compaq, … Aerospace Boeing, Lockheed, Rockwell, Hughes Medical: Medtronic, …

10. Event Detectors www.analysistech.com10 Event Detector Features 100% continuous electrical monitoring Conforms to testing standards: (Stds: IPC-785, ASTM) Sensitive to very short duration events Ignores environmental noise (EMI, RFI) Easy long-term unattended operation

11. Event Detectors www.analysistech.com11 Event Detector System Schematic

12. Event Detectors www.analysistech.com12 Scanning–Channel System Schematic

13. Event Detectors www.analysistech.com13 Event Detector Resolution

14. Event Detectors www.analysistech.com14 Scanning-Channel System Resolution

15. Event Detectors www.analysistech.com15 STD Event Detector Sensitivity / Noise Spectrum

16. Event Detectors www.analysistech.com16 Comparison of High / Low Compliance Event Detector Modes

17. Event Detectors www.analysistech.com17 Gaussian Distribution Plot

18. Event Detectors www.analysistech.com18 Failure Distribution Plot

19. Event Detectors www.analysistech.com19 Weibull Plot

20. Event Detectors www.analysistech.com20 Temperature Cycle Plot

21. Event Detectors www.analysistech.com21 Temperature Cycle Plot With Failures