Removing agent composition for a photoresist and process for producing a semiconductor integrated circuit
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsKeiichi Iwata, Tetsuya Karita, Tetsuo Aoyama
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AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsKeiichi Iwata, Tetsuya Karita, Tetsuo Aoyama
Estimating the term…
A removing agent composition for a photoresist comprising 0.01 to 20% by weight of a quaternary ammonium hydroxide, 1 to 80% by weight of a nucleophilic amine having an oxidation-reduction potential, 0.5 to 20% by weight of a sugar and/or a sugar alcohol, and water in the remaining amount; and a process for producing a semiconductor integrated circuit comprising removing a photoresist applied onto an inorganic substrate by using the above removing agent composition. A layer of a photoresist applied onto an inorganic substrate, a layer of a photoresist remaining after dry etching of an inorganic substrate which is masked by the layer, or residues of a layer of a photoresist remaining after dry etching of an inorganic substrate which is masked by the layer and subsequent ashing of the layer can easily be removed at a low temperature in a short time. The wiring material of the circuit is not corroded at all, and ultra-fine working can be performed.
A removing agent composition for a photoresist comprising 0.01 to 20% by weight of a quaternary ammonium hydroxide represented by the formula ((R.sup.1).sub.3 N--R).sup.+.OH.sup.-, (wherein R represents an unsubstituted alkyl group having 1 to 4 carbon atoms or a hydroxy-substituted alkyl group having 1 to 4 carbon atoms, and R.sup.1 represents an alkyl group having 1 to 3 carbon atoms, 1 to 80% by weight of a nucleophilic amine having an oxidation-reduction potential, 0.5 to 20% by weight of a sugar and/or a sugar alcohol, and water in the remaining amount.
Dependencies are inferred from the claim text.