Manufacturing And Reliability Challenges With QFN - SMTA

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Who Uses DfR?Military / Avionics / Space Enterprise / Telecom / ATE Consumer / Appliance Industrial / PowerLockheed Martin Cisco Systems Dell Computers General ElectricNorthrop Grumman Huawei (China) Hewlett Packard SiemensGeneral Dynamics Sun Microsystems Apple Emerson ElectricBAE Systems Motorola Fujitsu (Japan) SchlumbergerHoneywell Alcatel-Lucent Samsung (Korea) Ingersoll RandHamilton Sundstrand Juniper Networks LG Electronics (Korea) Danaher MotionThales Communications KLA-Tencor Microsoft OlympusRockwell Collins Xerox Tyco ElectronicsAuto / TransportationPortables General Motors Components MedicalLG Electronics Caterpillar Samsung (Korea) Philips MedicalKyocera Panasonic Automotive Fairchild Semiconductor MedtronicTRW (England) International Rectifier GuidantContract Manufacturers Magna Nvidia Cardinal HealthFlextronics Takata (Japan) Amphenol Beckman CoulterBenchmark Electronics NIC BiotronikGold Circuit Electronics (Taiwan) Materials Cameron HealthDaeduck (Korea) Graftech Cardiac ScienceViasystems (China)Nihon Superior (Japan)<strong>And</strong> Many More….© 2004 - 20094
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Page 6 and 7: Knowledge and Education(Website)•
Page 8 and 9: Introduction (cont.)• Why is know
Page 10 and 11: Component Packaging• Most of us h
Page 12 and 13: 2 nd Level Interconnect Reliability
Page 14 and 15: Solder Wearout (cont.)• Eliminati
Page 17 and 18: Industry Response to SJ Wearout?•
Page 19 and 20: Quad Flat Pack No-Lead (QFN)© 2004
Page 21 and 22: QFN (cont.)• Availability 1 x 2 m
Page 24 and 25: Advantages: Thermal Performance•
Page 26 and 27: QFN: Why Not?• QFN is a ‘next g
Page 28 and 29: Bond Pads (cont.)• Extend bond pa
Page 30 and 31: Singulated operationTitle: Reliabil
Page 32 and 33: Title: Reliability study of surface
Page 34 and 35: Manufacturability (Rework)• Can b
Page 36 and 37: Manufacturability (cont.)• QFN so
Page 38 and 39: Reliability (Thermal Cycling)• Or
Page 40 and 41: Reliability (Bend Cycling)• Low d
Page 42 and 43: Dendritic Growth (cont.)• The ele
Page 44: QFN: Risk Mitigation• Assess manu

Manufacturing And Reliability Challenges With QFN - SMTA

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