Patent ID: 8883701
Filing Date: 2014-11-11
Classification: B28D,C11D,H01L

Abstract:
1. A solution, consisting of: 1 ppb to 30 wt % of at least one compound selected from the group consisting of an organic acid and salt thereof; 1 ppb to 10 wt % of a surfactant; and 1 ppb to 20 wt % of a base; optionally the remainder being deionized water; and the solution has a pH greater than 4 to 6.58; wherein the organic acid is selected from the group consisting of oxalic acid, citric acid, maleic acid, malic acid, malonic acid, gluconic acid, glutaric acid, ascorbic acid, formic acid, acetic acid, ethylene diamine tetraacetic acid, diethylene triamine pentaacetic acid, aminobenzoic acids, anthranilic acid, fumaric acid, glycine, alanine, cystine, and the mixtures thereof; the surfactant is selected from the group consisting of anionic surfactants, cationic surfactants, non-ionic surfactants, zwitterionic surfactants, silicone surfactants, poly(alkylene oxide) surfactants, fluorochemical surfactants, acetylenic diol surfactants, primary alcohol ethoxylates, secondary alcohol ethoxylates, amine ethoxylates, glucosides, glucamides, polyethylene glycols, poly(ethylene glycol-co-propylene glycol), and combinations thereof; the base is potassium hydroxide (KOH); and the solution is a semiconductor wafer dicing solution.