PH adjusted nonionic surfactant-containing alkaline cleaner comp

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

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252102, 252173, 25217421, 134 2, 134 42, C11D 706, C11D 708, C11D 166, C23G 114

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active

054663890

ABSTRACT:
Aqueous alkaline cleaning solutions for cleaning microelectronic substrates and maintaining substrate surface smoothness comprise a metal ion free base, a nonionic surfactant and a component to reduce or control the pH of the cleaning solution to a pH within the range of from about pH 8 to about pH 10.

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J. M. Grant et al. "Characterization of rapid thermally grown dielectrics by surface charge analysis and atomic force microscopy", SPIE vol. 2091, pp. 51-62 (1993).
J. J. Kim et al., "Cleaning Process for Removing of Oxide Etch Residue" Electrochemical Society Proceedings, vol. 92-21, pp. 408-415 (1992).
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