Stock material or miscellaneous articles – Composite – Of metal
Patent
1995-05-31
1997-11-11
Turner, Archene
Stock material or miscellaneous articles
Composite
Of metal
428469, 428701, 428702, B32B 900
Patent
active
056861907
ABSTRACT:
A controlled oxygen content copper clad laminate product and process. In accordance with one aspect of the present invention, there is provided a laminate having a first layer of oxygen-free copper joined to a second layer of oxygen-rich copper by the steps of (i) cladding the first layer to the second layer at a relatively low speed to minimize rolling friction, (ii) finish rolling the laminate to substantially increase its thickness tolerance, (iii) slitting the laminate to increase its width tolerance, (iv) profiling a groove at a selected location in the laminate, (v) finish slitting a plurality of ribbons from the laminate, (vi) tension leveling the laminate to straighten and flatten its shape, (vii) stamping the laminate into sections each of a selected configuration, (viii) cleaning laminate surfaces, and (ix) direct bonding the laminate to a substrate material such that the first layer is annealed to the second.
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Karavolis, Michael, Dec. 1993, "Production of Precision Clad `Self Brazing` Materials to Achieve High Yields and Strong Joints".
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Mead Charles R.
Mennucci Joseph P.
Brush Wellman Inc.
Turner Archene
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