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US 8,303,839 B2Granted
Trioka acid semiconductor cleaning compositions and methods of use
OwnerWai Mun Leeinventor
Life of this patent
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Abstract
Semiconductor processing compositions for use with silicon wafers having an insulating layers and metallization layers on the wafers comprising water and one or more Troika acids which is also referred to as α,α-disubstituted trifunctional oximes or α-(Hydroxyimino) Phosphonoacetic acids, their salts, and their derivatives.
Claims8
A semiconductor processing composition comprising:
- a. Troika acids,
- b. an organic base;
- and
- c. water.
1 more element
A chemical mechanical polishing slurry comprising:
- an oxidizer;
- a diluent;
- an abrasive material;
- and a Troika Acid.
1 more element
Dependencies are inferred from the claim text.