H - Electricity – 01 – B
Patent
H - Electricity
01
B
31/121, 31/156,
H01B 1/02 (2006.01) B22F 1/02 (2006.01) C23C 2/02 (2006.01) C23C 2/04 (2006.01) C23C 16/06 (2006.01) C23C 18/16 (2006.01) C23C 18/42 (2006.01) C23C 28/02 (2006.01) H01B 1/22 (2006.01) H05K 1/09 (2006.01) H05K 3/32 (2006.01)
Patent
CA 1339810
A multi-coating step immersion coating process for producing a coating of a noble metal on a non-noble metal substrate, wherein the noble metal is of a predetermined amount expressed as a percent of the total weight of coated product, and wherein the non-noble metal substrate is in the form of fine particles or a powder is disclosed. The process also utilizes inter-plating step and post-plating step rising step sequences which together with the use of the plurality of coating steps consistently results in high quality product having a uniform coating, excellent corrosion resistance and excellent electrical conductivity. Use of the coated products produced according to the process in a variety of electrically conductive compositions, including plastics, adhesives and inks, and in plastic and resin based electromagnetic shielding materials is also disclosed.
609531
Gowling Lafleur Henderson Llp
Ostolski Marian J.
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