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Flip Chip Thermal Test Vehicle Design: Requirements, Evaluations, and Validations

[+] Author Affiliations
Teck Joo Goh

Intel Products, Kedah, Malaysia

Chia-Pin Chiu

Intel Corporation

K. N. Seetharamu, G. A. Quadir, Z. A. Zainal

Universiti Sains Malaysia, Malaysia

Paper No. IPACK2003-35142, pp. 323-330; 8 pages
  • ASME 2003 International Electronic Packaging Technical Conference and Exhibition
  • 2003 International Electronic Packaging Technical Conference and Exhibition, Volume 2
  • Maui, Hawaii, USA, July 6–11, 2003
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 0-7918-3690-8 | eISBN: 0-7918-3674-6
  • Copyright © 2003 by ASME


This paper reviews the design of a flip chip thermal test vehicle. Design requirements for different applications such as thermal characterization, assembly process optimization, and product burn-in simulation are outlined. The design processes of different thermal test chip structures including the temperature sensor and passive heaters are described in detail. In addition, the design of fireball heater, a novel test chip structure used for evaluating the effectiveness of heat spreading of advanced thermal solutions, is also illustrated. The design considerations and processes of the package substrate and printed circuit board with special emphasis on the physical routing of the thermal test chip structures are described. These design processes are supported with thermal data from various finite-element analyses (FEA) carried out to evaluate the capability and limitations of thermal test vehicle design. Design optimization as the outcome of these analyses is also elaborated. Lastly, the validation and calibration procedures of the thermal test vehicle are presented in this paper.

Copyright © 2003 by ASME



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