Patent ID: 8828918

Claim:
A semiconductor surface treating agent composition, comprising: a compound generating a fluoride ion in water, a carbon radical generating agent, and water, wherein the carbon radical generating agent is selected from the group consisting of azonitrile type carbon radical generating agents, azoamide type carbon radical generating agents, chain-like azoamidine type carbon radical generating agents, cyclic azoamidine type carbon radical generating agents, azoester type carbon radical generating agents, azonitrile carboxylic acid type carbon radical generating agents, azoalkyl type carbon radical generating agents, macroazo type carbon radical generating agents, benzoin alkyl ether type carbon radical generating agents, benzylketal type carbon radical generating agents, benzophenone type carbon radical generating agents, aminobenzoate ester type carbon radical generating agents, 1, 2-hydroxyalkylphenone type carbon radical generating agents, 1, 2-aminoalkylphenone type carbon radical generating agents, acylphosphin oxide type carbon radical generating agents, anthraquinone type carbon radical generating agents, thioxanthone type carbon radical generating agents, acridone type carbon radical generating agents, biimidazole type carbon radical generating agents, oxime ester type carbon radical generating agents and titanocene type carbon radical generating agents.