Showing papers by "Torrey Pines Institute for Molecular Studies published in 1967"
Patent•
18 Sep 1967TL;DR: In this article, the authors present a comparison of a mixture of a COPPER SALT and FLUOBORIC ACID, with each being present in an equal amount of water.
Abstract: A COPPER PLATING BATH COMPOSITION COMPRISING A MIXTURE OF A COPPER SALT AND FLUOBORIC ACID, EACH BEING PRESENT IN AN AMOUNT, WHICH UPON DISSOLUTION IN AN AQUEOUS BATH PROVIDES A COPPER CONCENTRATION FROM 5 TO 35 GRAMS PER LITER AND FROM 100 TO 700 GRAMS PER LITER OF FLUOBORIC ACID. THE PLATING BATHS OF THE PRESENT INVENTION HAVE PARTICULAR EFFICACY IN THE COPPER PLATING OF RECESSED AREAS, SUCH AS PERFORATED SUBSTRATES FOR USE AS PRINTED CIRCUIT, BOARDS.
6 citations