CLEANING LIQUID, AND METHOD OF CLEANING SUBSTRATE PROVIDED WITH METAL RESIST

A metal resist cleaning liquid including a solvent, an organic acid, and a compound (B) represented by general formula (b-1) shown below (In the formula, Rb1 and Rb2 each independently represents an alkyl group having 1 to 3 carbon atoms; Rb3 and Rb4 each independently represents a hydrogen atom or...

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Bibliographische Detailangaben
Hauptverfasser: Kumagai, Tomoya, Akiyoshi, Takahiro
Format: Patent
Sprache:eng
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Zusammenfassung:A metal resist cleaning liquid including a solvent, an organic acid, and a compound (B) represented by general formula (b-1) shown below (In the formula, Rb1 and Rb2 each independently represents an alkyl group having 1 to 3 carbon atoms; Rb3 and Rb4 each independently represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Yb1 represents a single bond, -O-, -S- or -N(Rb5)-; Rb5 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Yb2 represents -O-, -S- or -N(Rb6)-; Rb6 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n represents an integer of 0 to 3).