method and device for cleaning, activation and / or high of bohrloechern in horizontal gefuehrten boards.

摘要

Cleaning, activating and metallizing of bore holes in conductor boards is performed by supplying a liquid treatment medium in form a standing wave onto a lower side of the conductor board by a surge line which is formed as a nozzle arranged under a transporting path and substantially normal to a transporting direction of the horizontally guided conductor board.