发明名称 CLEANING COMPOSITIONS WITH VERY LOW DIELECTRIC ETCH RATES
摘要 PURPOSE: A cleaning composition is provided to facilitate safe processing due to high water content, to clean the multiple surface, and hydrophobic and hydrophilic surface of metal and dielectrics. CONSTITUTION: A cleaning composition comprises a third organic amine, organic acid, salt-containing fluoride, the effective amount of corrosion inhibitor, and balance water. The pH of composition is pH 8 - pH 9. The corrosion inhibitor is asxorbic acid which is included in the amount of 0.5% - 5%. The third organic amine is 2-dimethylaminoethanol and is included in the amount of 10% - 20%.
申请公布号 KR20100011950(A) 申请公布日期 2010.02.03
申请号 KR20090067758 申请日期 2009.07.24
申请人 SURFACE CHEMISTRY DISCOVERIES INC. 发明人 GEORGE SCHWARTZKOPF;EWA OLDAK;SHAHRIAR NAGHSHINE
分类号 C11D7/32;C11D7/28 主分类号 C11D7/32
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