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US5466389A PH adjusted nonionic surfactant-containing alkaline cleaner composition for cleaning microelectronics substrates 失效
PH调节的含非离子表面活性剂的碱性清洁剂组合物用于清洁微电子基板

PH adjusted nonionic surfactant-containing alkaline cleaner composition
for cleaning microelectronics substrates
摘要:
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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