Abstract: A stripping composition comprising at least one of alcohols having an ether-bond in the molecule thereof as component (a), and an anticorrosive as component (b). Furfuryl alcohol or tetrahydrofurfuryl alcohol is preferable as component (a).
Type:
Application
Filed:
August 1, 2002
Publication date:
July 10, 2003
Applicant:
NEC CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED
Abstract: According to the present invention, there is provided an anticorrosive treating concentrate usable for an exposed surface of a metal (e.g. copper or a copper alloy), containing an anticorrosive agent and a precipitation inhibitor and having a pH of 4 to 12 when used in the form of an aqueous solution, in which concentrate the anticorrosive agent is a triazole type compound and/or a derivative thereof and is contained in a concentration of 0.05 to 20 % by weight and the precipitation inhibitor is a compound having at least one nitrogen atom but no metal atom in the molecule.
Type:
Application
Filed:
March 5, 2001
Publication date:
October 18, 2001
Applicant:
NEC Corporation and Sumitomo Chemical Company Limited