Process of forming a metallic copper layer on the surface of workpiece of aluminum or aluminum base alloy
Abstract
Abstract THIS NVENTION RELATES TO A PROCESS OF FORMING A METALLIC COPPER LAYER OF A UNIFORM THICKNESS ON THE SURFACE OF WORKPIECE MADE OF ALUMINUM OR ALUMINUM BASE ALLOY BY APPLYING FINELY DIVIDED COPPER HALIDE PARTICLES ON SAID SURFACE UNIFORMLY WITH AID OF A HIGHER ALIPHTIC MONOHYDRIC ALCOHOL CONTAINING 6-12 CARBON ATOMS OR A CYCLOALIPHATIC MONO-HYDRIC ALCOHOL CONTAINING 6-8 CARBON ATOMS AS THE ADHESIVE MEDIUM, AND THEN HEATING SAID SURFACE TO A SUFFICIENT TEMPERATURE TO REACT THE COPPER HALIDE WITH THE ALUMINUM MATERIAL OF THE WORKPIECE AT THE SURFACE OF THE WORKPIECE, WHEREBY METALLIC COPPER IS LIBERATED, DEPOSITED ON AND PARTLY DIFFUSED INTO THE SURFACE OF THE WORKPIECE AND A FIRMLY ADHERED COPPER LAYER OF A UNIFORM THICKNESS MAY BE FORMED ON THE SURFACE OF THE ALUMINUM OR ALUMINUM BASE ALLOY MATERIAL AND, IF DESIRED, WITHIN A SHARPLY LIMITED AREA OF THE SURFACE OF THE WORKPIECE.
Inventors
- 👤 Shiro Terai
- 👤 Yoshihiko Sugiyama
- 👤 Toshio Suzuki
- 👤 Hiroshi Irie
Bibliographic Details
Claims Analysis
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