Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1997-06-16
2000-07-04
Jones, Deborah
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428635, 428644, 428646, 428647, 428648, 428655, 428656, 428668, 428675, 428676, 428926, 428929, B32B 1501
Patent
active
060836334
ABSTRACT:
An electrical conductor has a copper base substrate coated with a tin base coating layer. To inhibit the formation of a copper/tin intermetallic and the resultant depletion of the free, unreacted, tin utilized as an oxidation and corrosion barrier, a barrier is interposed between the substrate and the coating. In a first embodiment, the barrier is formed from multiple constituent layers, at least one of which is copper. The thickness ("y") of the copper layer is dependent on the anticipated service temperature and satisfies the equation y=(-1.52+0.0871x+0.00859 t).+-.50% where t=anticipated time at the service temperature, x=anticipated service temperature (Celsius), and y=the thickness of the copper layer in microinches. In a second embodiment, the barrier layer is formed from one or more constituent layers, at least one of which is iron or iron base.
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Chen Szuchain F.
Fister Julius C.
Laurello Christoper P.
Parthasarathi Arvind
Tyler Derek E.
Jones Deborah
Koehler Robert R.
Olin Corporation
Rosenblatt Gregory S.
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