Rhone-Poulenc Industries

Rhone-Poulenc Specialties Chimiques

Georges Nury

Bernard Boudot

Andre Lambert

Additive composition for an acid copper electroplating bath, which bath being well adapted for the copper plating of printed circuits, is comprised of (1) the sodium salt of .omega.-sulfo-n-propyl N,N-diethyldithiocarbamate, (2) polyethylene glycol having an average molecular weight ranging from about 6,000 to 20,000, (3) crystal violet, and (4) sulfuric acid.

Additive composition, bath and process for acid copper electroplating

A process for the manufacture of a polycrystalline garnet containing aluminium and/or gallium and/or indium and at least one element taken from the group comprising the rare earths and yttrium, and to the corresponding monocrystal. The process comprises the following steps:

Process for the manufacture of polycrystalline garnet and corresponding

A process for the manufacture of a polycrystalline garnet and to the corresponding monocrystal. The process comprises the following steps:

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Frepillon, France

Georges Nury