Patent ID: 6174564
Filing Date: 2001-01-16
Classification: C23C,C30B,H01C,H01L

Abstract:
A method of producing a precursor solution capable of being used to form metal oxides, said method comprising the steps of:providing an alkane solvent having a carbon number ranging from seven to ten;forming a metal-organic complex having a formula including at least one O--M--O--M'--O group bymixing said alkane solvent with sufficient reagents to perform a reaction selected from the group consisting of:(R--COO.sub.x --M--(O--C--R').sub.a +a M'--(O--C--R"").sub.b.fwdarw.(R--COO).sub.x --M--(O--M'--(O--C--R"").sub.b-1).sub.a +a R'--C--O--C--R"", and(R--COO).sub.x --M--(O--C--R').sub.a +x M'--(O--C--R"").sub.b.fwdarw.(R'--C--O).sub.a --M--(O--M'--(O--C--R"").sub.b-1).sub.x +x R--COO--C--R"",where M and M' are metals, R is an alkyl group having from three to nine carbon atoms, R' is an alkyl group having from four to fifteen carbon atoms, R"" is an alkyl group having from zero to sixteen carbons, and a and b are integers denoting relative quantities of corresponding substituents; andheating said reagents in said solvent to perform said reaction whereupon said metal-organic complex has an effective concentration in said solvent for yielding a metal oxide thin film having a thickness less than ten microns of sufficient quality for use in integrated circuits upon annealing of said precursor solution.