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Characterization, Prevention and Removal of Particulate Matter on Printed Circuit Boards

Published:

December 22, 2016

Author:

Prabjit Singh, Patrick Ruch, Sarmenio Saliba - IBM Corporation, Christopher Muller - Purafil Inc.

Abstract:

Particulate matter contamination is known to become wet and therefore ionically conductive and corrosive if the humidity in the environment rises above the deliquescence relative humidity (DRH) of the particulate matter. In wet condition, particulate matter can electrically bridge closely spaced features on printed circuit boards (PCBs), leading to their electrical failure. (...)

The objective of this paper is to develop and describe a practical, routine means of measuring the DRH of minute quantities of particulate matter (1 mg or less) found on PCBs....

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Company Information:

IBM Corporation

International Business Machines Corporation is a multinational technology. IBM manufactures computer hardware and software, offers infrastructure, hosting and consulting services.

Armonk, New York, USA

Consultant / Service Provider, Other

  • Phone 800-IBM-4YOU

IBM Corporation website

Company Postings:

(4) technical library articles

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