摘要 |
Disclosed herein is a cleaning method useful in removing contaminants from a surface of a coating which comprises an oxide or fluoride of a Group III B metal. Typically the coating overlies an aluminum substrate which is present as part of a semiconductor processing apparatus. The coating typically comprises an oxide or a fluoride of Y, Sc, La, Ce, Eu, Dy, or the like, or yttrium-aluminum-garnet (YAG). The coating may further comprise about 20 volume % or less of Al2O3.
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