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IEICE TRANSACTIONS on transactions

Progress of H2S Gas Corrosion and Contact Resistance Properties for Contact Surface of Printed Circuit Board

Terutaka TAMAI, Tsunemi MORIYA

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Summary :

Progress of corrosion of contact surfaces on the printed circuit board both for thin Au plated (0.1µm) and for thick solder plated (10µm) were examined in H2S environment. The corrosion was evaluated by thickness of contaminant film and contact resistance. The Au plated surface easily degraded by pore corrosion. On the other hand, the film on the solder plated surface grew very slowly. For the solder plated surface, acceptable low contact resistance which corresponds to the low growth rate of the film was found.

Publication
IEICE TRANSACTIONS on transactions Vol.E73-E No.4 pp.499-502
Publication Date
1990/04/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section LETTER (Special Issue on 1990 Spring National Convention IEICE)
Category
Electromechanical Components

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