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Assembly and Packaging Joe Adam TWIG Co-chair

Assembly and Packaging Joe Adam TWIG Co-chair. Xavier Baraton Mark Bird - Amkor Bill Bottoms - 3MTS Ken Brown - Intel Chi Shih Chang - K&S Bill Chen - ASE Peter Elenius - K&S Hisao Kasuga - NEC. Ed Fulcher - LSI Logic Ron Gedney - NEMI Seiji Hamano - Fujitsu Mahadevan Iyer - IME

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Assembly and Packaging Joe Adam TWIG Co-chair

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  1. Assembly and Packaging Joe Adam TWIG Co-chair

  2. Xavier Baraton Mark Bird - Amkor Bill Bottoms - 3MTS Ken Brown - Intel Chi Shih Chang - K&S Bill Chen - ASE Peter Elenius - K&S Hisao Kasuga - NEC Ed Fulcher - LSI Logic Ron Gedney - NEMI Seiji Hamano - Fujitsu Mahadevan Iyer - IME Bernd Roemer - IFX John Stankus - Nortel Henry Utsunomiya- JISSO Jurgen Wolf - IZM Key Contributors

  3. Packaging and Assembly Chapter Updates • New text sections added to address emerging technology requirements • Packaging Design • Packaging Materials • Packaging Reliability • MEMS Packaging • Optoelectronics • Embedded Passives • Updates on requirements for • Mixed signal and RF packaging • Multi-chip packaging • Flip chip interconnect • Thermal management • BGA and CSP Packaging

  4. Compatibility Between Roadmaps • Focus participation of JEITA (Jisso) chair to co-ordinate Roadmap inputs between regions and industry groups • Direct co-ordination with IPC and NEMI on packaging Roadmaps • Provide a general bridge through packaging to the electronic industry Roadmap efforts

  5. Market Sectors • We have used the NEMI market sector definitions from 2000but expect these will be redefined by NEMI in 2002 • Low cost - <$300 consumer products • Hand held - <$1000 battery powered • Cost performance <$3000 notebooks, desktop • High performance >$3000 workstations, servers, network switches • Harsh - Under the hood, and other hostile environments • Memory - Flash, DRAM, SRAM

  6. Difficult Challenges Near Term • Tools and methodologies to address chip and package co-design • Mixed signal co-design and simulation (SI, Power, EMI) • For transient and localized hot spots - simulation of thermal mechanical stresses, thermal performance and current density in solder bumps • Improved Organic substrates • Increased wireability and dimensional control at low cost • Higher temperature stability, lower moisture absorption, higher frequency capability • Improved (or elimination of) underfills for flip chip • Improved underfill integration, adhesion, faster cure, higher temperature • Impact of Cu/low k on Packaging • Direct wire bond and UBM/bump to Cu to reduce cost • Lower strength in low k which creates a weaker mechanical structure • Pb free and green materials at low cost • Technical approaches are well defined but cost is not in line with needs

  7. Difficult Challenges Long Term • Package cost may greatly exceed die cost • Present R&D investments do not address this effectively • System level view to integrate chip, package, and system design • Design will be distributed across industry specialist • Small high frequency, high power density, high I/O density die • Increasing gap between device, package and board wiring density • Cost of high density package substrates will dominate product cost

  8. Changes to Requirements Tables • Cost per pin numbers have adjusted down across all segments • No Known solutions for many out year targets • Cost targets still put the cost of packaging well above cost of die • Pin counts have been adjusted down • Pin counts still drive wiring density in packages very aggressively • Signal and reference ratios added to help clarify test and design requirements • Power will continue to increase in the high end and related frequency for I/O has been increased to include new communications requirements

  9. Crosscut issues • Modeling of thermal and mechanical issues at package and device level which impact interconnect, test, design, modeling groups • Stress transfer from package to device level • Handling of lower strength low k dielectric structures • Materials properties are not available for many applications • Device performance skew due to temperature differences that are driven by package design and system applications • Power and pin count trends for design and test • Probe, contactors, handling to cover pin count, pitch, power and frequency • Pin count which increases with flat die size which drives rapid increase in I/O density • Rapid increase in frequency for emerging high speed serial I/O • Impacts design, test

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