Manufacture of printed circuit boards with stubless plated through-holes

A process of copper plating a through-hole in a printed circuit board, and the printed circuit board made from such process. The process comprises: providing a printed circuit board with at least two copper interconnect lines separated by an insulator in the vertical direction; providing a through-h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Buchwalter, Stephen L, Budd, Russell Alan
Format: Patent
Sprache:eng
Online-Zugang:Volltext bestellen
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Beschreibung
Zusammenfassung:A process of copper plating a through-hole in a printed circuit board, and the printed circuit board made from such process. The process comprises: providing a printed circuit board with at least two copper interconnect lines separated by an insulator in the vertical direction; providing a through-hole in the printed circuit board in the vertical direction such that the interconnect lines provide a copper land in the through-hole; applying a seed layer to an interior surface of the through-hole; removing an outermost portion of the seed layer from the interior surface of the through-hole with a laser; applying copper on the seed layer.