Patent ID: 6423433
Filing Date: 2002-07-23
Classification: H01L,Y10T

Abstract:
A semiconductor device, comprising:a semiconductor substrate; and a copper-calcium-oxide (Cuâ€”Caâ€”O) thin film on a copper (Cu) surface formed on the semiconductor substrate, wherein the Cu surface is treated in a chemical solution, the chemical solution comprising: a. at least on calcium (Ca) ion source for providing a plurality of Ca ions; b. at least on complexing agent for complexing the plurality of Ca ions; c. at least on copper (Cu) ion source for providing a plurality of Cu ions; d. at least on complexing agent for complexing the plurality of Cu ions; e. at least one pH adjuster f. at least on reducing agent for facilitating deposition of the plurality of Cu ions; g. at least on wetting agent for stabilizing the chemical solution; and h. a volume of water, (a) through (g) being dissolved in (h).