Assembly And Reliability Issues Associated With Leadless Chip Scale Packages

Published:

October 2, 2006

Author:

Michael Meilunas of Universal Instruments Corporation, Binghamton, NY; Muffadal Mukadam, and Hari Srihari of Binghamton University, Binghamton, NY

Abstract:

This paper addresses the assembly and reliability of 0.5 mm pitch leadless Chip Scale Packages (CSP) on .062" immersion Ag plated printed circuit boards (PCB) using Pb-free solder paste. Four different leadless CSP designs were studied and each was evaluated using multiple PCB attachment pad designs....

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Universal Instruments is a global leader in the design and manufacture of advanced automation and assembly equipment solutions for the electronics manufacturing industry.

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