| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a detergent composition for removing polyimide, which can well remove polyimide even at room temperature, and not only excels in an anticorrosive effect on aluminum and aluminum alloy wiring, and but also has no problem of deposition even in its long-term use. <P>SOLUTION: The detergent composition contains, with respect to the total weight of the composition, (A) 0.1 to 10 wt.% of a quaternary ammonium hydroxide represented by chemical formula 1, (B) 50 to 90 wt.% of a glycol etheric compound, (C) 7 to 30 wt.% of glycerol, and (D) a balance amount of water. The chemical formula 1 is [N-(R)<SB POS="POST">4</SB>]<SP POS="POST">+</SP>-OH<SP POS="POST">-</SP>wherein R is a 1-5C alkyl group. <P>COPYRIGHT: (C)2012,JPO&INPIT |
