Process Issues For Fine Pitch CSP Rework and Scavenging

Published:

March 4, 2013

Author:

Anthony A. Primavera Ph.D.

Abstract:

Chip-scale (or chip-size) packages are rapidly becoming an important element in electronics due to their size, performance, and cost advantages [Hou, 1998]. The Chip Scale Package (CSP) is becoming a key semiconductor package type, particularly for consumer products. Due to their relatively smaller size, new challenges are presented in the rework and repair of CSPs. (...) The specific focus of this paper is the removal process for rework of CSPs and the site scavenging methods required to properly prepare the circuit board for a new component. Process factors such as the heating, fluxing and, atmosphere are discussed....

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Company Information:

Universal Instruments Corporation

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

Conklin, New York, USA

Manufacturer of Assembly Equipment, Pick and Place

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