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    • 8. 发明授权
    • Peroxide activated oxometalate based formulations for removal of etch residue
    • 用于去除蚀刻残留物的过氧化物活化的氧化金属酸盐基配方
    • US08183195B2
    • 2012-05-22
    • US12522716
    • 2008-01-28
    • Glenn L. Westwood
    • Glenn L. Westwood
    • G03F7/42
    • C11D11/0047C11D7/08C11D7/14C11D7/3245
    • Highly alkaline, aqueous formulations including (a) water, (b) at least one metal ion-free base at sufficient amounts to produce a final formulation alkaline pH, (c) from about 0.01% to about 5% by weight (expressed as % SiO2) of at least one water-soluble metal ion-free silicate corrosion inhibitors; (d) from about 0.01% to about 10% by weight of at least one metal chelating agent, and (e) from more than 0 to about 2.0% by weight of at least one oxymetalate are provided in accordance with this invention. Such formulations are combined with a peroxide such that a peroxymetalate is formed to produce form a microelectronic cleaning composition. Used to remove contaminants and residue from microelectronic devices, such as microelectronic substrates.
    • 高碱性水性制剂包括(a)水,(b)至少一种不含金属离子的碱,足以产生最终配方碱性pH,(c)约0.01重量%至约5重量% SiO 2)至少一种水溶性金属离子的硅酸盐腐蚀抑制剂; (d)根据本发明提供约0.01重量%至约10重量%的至少一种金属螯合剂,和(e)大于0至约2.0重量%的至少一种氧化金属铝。 这样的制剂与过氧化物组合,使得形成过氧金属盐以形成微电子清洁组合物。 用于从微电子器件(如微电子基板)中除去污染物和残留物。