Electroplating of nickel in grooves under the influence of low and medium frequency ultrasound
2011 (English)In: Journal for Electrochemistry and Plating Technology, ISSN 1866-7406, Vol. 1, no 3, 19-28 p.Article in journal (Refereed) Published
The effect of ultrasonics on filling properties has been studied by Ni electroplating from a sulphamate electrolyte in high aspect ratio grooves. The experiments have been performed with two different modes of ultrasound: a) 25 kHz ultrasound with an effect of 225 W directed perpendicular to the substrate surface; b) ultrasonic standing waves of 100 kHz and 400 kHz parallel to the substrate surface. It was found that both methods improve the filling in grooves that are between 0.35 and 1 mm wide with aspect ratios between 0.6 and 3, compared to electroplating with conventional agitation. Under the investigated conditions the 400 kHz standing wave parallel to the surface was most efficient to improve filling of grooves.
Place, publisher, year, edition, pages
2011. Vol. 1, no 3, 19-28 p.
Filling; Electrodeposition; Ultrasound; Nickel; Electroforming
Metallurgy and Metallic Materials Other Materials Engineering Manufacturing, Surface and Joining Technology
IdentifiersURN: urn:nbn:se:liu:diva-63621DOI: 10.12850/ISSN2196-0267.JEPT643OAI: oai:DiVA.org:liu-63621DiVA: diva2:381732