Electricity conductive liquid capable of directly galvanizing the printed board

• Main Authors: LU GUISHENG, LI BUJIE
• Format: Patent
• Language: Chinese; English
• Published: 14.01.2009
• Subjects: APPARATUS THEREFOR; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; PRINTED CIRCUITS; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS

The conductive liquid to plate directly the printed board comprises graphite 2-5%, Na2SiO3 0.5-1%, anionic surface active agent 0.5-2%, NH4OH 2-4% and water 88-96%. The product has advantages: 1. well stability. There is no hydrogen separated out during absorption to copper covered plate to ensure l...