Patent ID: 6482750
Filing Date: 2002-11-19
Classification: C11D,H01L

Abstract:
a method of manufacturing a semiconductor device comprising a cleaning step of cleaning a semiconductor substrate by use of a cleaning fluid containing:a hydroxide; a water-soluble organic solvent; and a compound expressed by the following chemical formula (I) or (II): HO-{(EO)x-(PO)y}z-Hâ€ƒâ€ƒ(I) R-[{(EO)x-(PO)y}z-H]mâ€ƒâ€ƒ(II) wherein â€œEOâ€  designates an oxyethyethylene group; â€œPOâ€  designates an oxypropylene group; â€œRâ€  designates a residue formed by eliminating hydrogen atoms from a hydroxyl group of alcohol or amine, or a residue formed by eliminating hydrogen atoms from an amino acid; â€œxâ€  and â€œyâ€  are integers satisfying x/(x+y)=0.05 to 0.4; and â€œzâ€  and â€œmâ€  are positive integers.