Polarization Characteristics in Electroless Palladium-Phosphorus Alloy Plating Baths

Polarization characteristics were investigated in electroless palladium-phosphorous alloy plating baths consisting of palladium chloride, ethylenediamine, thiodiglycollic acid and hypophosphite. Experimental results confirmed the mixed potential theory including local potential-current relationships...

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Bibliographic Details
Published inHyōmen gijutsu Vol. 45; no. 10; pp. 1042 - 1046
Main Authors NAWAFUNE, Hidemi, MIZUMOTO, Shozo, NISHIKAWA, Noriyuki, HAGA, Masaki
Format Journal Article
LanguageEnglish
Japanese
Published Tokyo The Surface Finishing Society of Japan 01.01.1994
Hyomen Gijutsu Kyokai
Japan Science and Technology Agency
Subjects
Electroless Plating
Mixed-Potential Theory
Pd-P Alloy
Polarization
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Summary:Polarization characteristics were investigated in electroless palladium-phosphorous alloy plating baths consisting of palladium chloride, ethylenediamine, thiodiglycollic acid and hypophosphite. Experimental results confirmed the mixed potential theory including local potential-current relationships for palladium deposition. A rise in pH brought about a substantial decrease in local current for both hypophosphite oxidation and palladium deposition. The thiodiglycollic acid had no effect on local anodic and cathodic current near mixed potential.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0915-1869
1884-3409
DOI:10.4139/sfj.45.1042