Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Patent
1986-08-04
1988-12-06
Sneed, H. M. S.
Cleaning and liquid contact with solids
Processes
Including application of electrical radiant or wave energy...
134 254, 134 251, 134 87, 134 89, 239DIG19, 239DIG22, B08B 312
Patent
active
047894059
ABSTRACT:
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.
REFERENCES:
patent: 4131483 (1978-12-01), Iwahashi et al.
patent: 4132567 (1979-01-01), Blackwood
patent: 4543130 (1985-09-01), Shwartzman
patent: 4589926 (1986-05-01), Holmstrand
English Abstract of German Pat. No. 2,606,984, 8/25/77.
Blasing Horst
Meyer Walter
Cohen Sharon T.
Schering Aktiengesellschaft
Sneed H. M. S.
Striker Michael J.
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