Patent ID: 6730239
Filing Date: 2004-05-04
Classification: C09K,C11D,H01L

Abstract:
A cleaning agent for a semiconductor device containing a hydroxide, water and a compound expressed in the following general formula (I) and/or the following general formula (II):HOâ€”((EO)xâ€”(PO)y)zâ€”Hâ€ƒâ€ƒ(I) where EO represents an oxyethylene group, PO represents an oxypropylene group, x and y represent integers satisfying x/(x+y)=0.05 to 0.4, and z represents a positive integer.Râ€”[(EO)xâ€”(PO)y)zâ€”H]mâ€ƒâ€ƒ(II) where EO, PO, x, y and z are defined identically to EO, PO, x, y and z in the general formula (I), R represents a residue of alcohol or amine excluding a hydroxyl group or a hydrogen atom of an amino group, and m represents an integer of at least 1.