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CAM System Based on Constant Drill Hole Temperature for Drilling in Printed Wiring Board

[+] Author Affiliations
Toshiki Hirogaki, Eiichi Aoyama, Seita Sumida

Doshisha University, Kyoutanabe, Kyoto, Japan

Keiji Ogawa

University of Shiga Prefecture, Hikone, Shiga, Japan

Paper No. IPACK2007-33243, pp. 901-907; 7 pages
  • ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference
  • ASME 2007 InterPACK Conference, Volume 1
  • Vancouver, British Columbia, Canada, July 8–12, 2007
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4277-0 | eISBN: 0-7918-3801-3
  • Copyright © 2007 by ASME


Recently, printed wiring boards (PWBs) employed in electronic devices have been miniaturized, lightened, and made multifunctional. Therefore, a new technology is required to improve the mounting density of PWBs. In the present report, we study high-quality, high-speed drilling of through-holes in PWBs. Particularly, we investigate the tool path for drilling grid-pattern holes. We estimate the drill temperature and PWB temperature while drilling the PWBs. On the basis of the results, we propose a tool path decision method that considers heat damage on the PWBs for a drilling CAM system.

Copyright © 2007 by ASME



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