Patent ID: 7671001
Filing Date: 2010-03-02
Classification: C09K,C11D,C23G,G03F

Abstract:
1. An alkaline composition having a pH of 9 or greater for stripping or cleaning integrated circuit substrates, comprising: (a) one or more bases; and (b) 0.05% to 10% by weight of one or more metal halide compounds of the formula:  where M is a metal selected from the group consisting of Si, Ge, Sn, Pt, P, B, Au, Ir, Os, Cr, Ti, Zr, Rh, Ru, and Sb; X is a halide selected from the group consisting of F, Cl, Br and I; W is selected from the group consisting of H, an alkali or alkaline earth metal, and a metal ion-free hydroxide base moiety; y is a numeral of from 4 to 6 depending on the metal halide; and z is a numeral of from 1, 2 or 3.