Process for forming copper wiring

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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Details

156657, 156666, B44C 122, C23F 100, H01L 2100

Patent

active

052813045

ABSTRACT:
A process for forming a copper wiring is composed of modifying a surface of a copper film to copper sulfide, forming the wiring pattern by etching to define a desired design of the wiring, reducing copper sulfide film to copper, and applying an insulation film to the surroundings of the wiring pattern of copper. Successively forming of the wiring is done by processing in a multichamber equipment having functions of the above.

REFERENCES:
patent: 4466859 (1984-08-01), Nelson
patent: 4913769 (1990-04-01), Kanda et al.

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