CHEMICAL LIQUID AND TREATMENT METHOD

A chemical liquid contains phosphoric acid or a salt thereof, a polar aprotic solvent, water, and a compound that has a carboxy group and does not have a hydroxyl group or a salt of the compound, in which a content of the phosphoric acid or a salt thereof is 5.0% by mass or less with respect to a to...

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Bibliographische Detailangaben
Hauptverfasser: SHIGENOI, Yuta, MIZUTANI, Atsushi
Format: Patent
Sprache:eng
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Zusammenfassung:A chemical liquid contains phosphoric acid or a salt thereof, a polar aprotic solvent, water, and a compound that has a carboxy group and does not have a hydroxyl group or a salt of the compound, in which a content of the phosphoric acid or a salt thereof is 5.0% by mass or less with respect to a total mass of the chemical liquid, a content of the polar aprotic solvent is 50.0% by mass or more with respect to the total mass of the chemical liquid, and a content of the water is 2.0% by mass or more and less than 50.0% by mass with respect to the total mass of the chemical liquid.