B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/210, 117/61,
B05D 5/08 (2006.01) C23C 18/16 (2006.01) C25D 5/02 (2006.01) H05K 3/18 (2006.01)
Patent
CA 1104010
A B S T R A C T A method of treating surfaces of objects to render them at least partially metallophobic by the use of compounds containing an element with amphoteric characteristics. Stabilized and/or stable antimony compounds or complexes which are soluble in water and/or organic solvents are applied in and/or under the surfaces which are to be rendered metallophobic. The objects can then be partially metallized in conventional chemical or electrolytic baths. The method is particularly applicable to the manufacture of printed circuits.
281246
Burger Rainer
Fischer Dieter
Virsik Peter
Felten & Guilleaume Carlswerk Ag
Marks & Clerk
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