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Proof is in the PTH - Assuring Via Reliability from Chip Carriers to Thick Printed Wiring Boards

Published:

June 6, 2007

Author:

Kevin T. Knadle, Virendra R. Jadhav.

Abstract:

Though today's microvias and high aspect plated through holes (PTH's) look nothing like the earliest through holes of 40 years ago, the PTH in its various forms remains the “weak link” and most critical element of printed wiring boards and laminate chip carriers (...) The paper outlines an approach to evaluating PTH reliability and quality that involves characterizing PTH life across a range of temperatures to reveal intricacies not seen by testing at a single delta-T, and certainly difficult to predict by modeling alone....

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Company Information:

A world leader in high-performance PCB fabrication & assembly, semiconductor packaging, systems integration & test, advanced laboratory services and contract R&D.

Endicott, New York, USA

Manufacturer

  • Phone 866 820-4820
  • Fax 607 755-7000

See Company Website »

Company Postings:

(3) products in the catalog

(20) technical library articles

(26) news releases

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