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Description / Abstract:
This document describes the design and assembly challenges for
implementing Ball Grid Array (BGA) and Fine Pitch BGA (FBGA)
technology. The effect of BGA and FBGA on current technology and
component types is addressed, as is the move to lead-free assembly
processes. The focus on the information contained herein is on
critical inspection, repair, and reliability issues associated with
BGAs. Throughout this document the word ‘‘BGA'' can mean all types
and forms of ball/column/bump/pillar grid array packages.
Purpose
The target audiences for this document are managers, design and
process engineers, and operators and technicians who deal with the
electronic assembly, inspection, and repair processes. The purpose
is to provide useful and practical information to those who are
using BGAs, those who are considering BGA implementation and
companies who are in the process of transition from standard
tin/lead reflow processes to those that use lead-free materials