Patent ID: 8329018

Claim:
A method comprises: a) providing a metal plating composition comprising one or more sources of metal ions and one or more compounds having a formula: H-A′ p -Q-[C(O)—CH 2 O—((R 1 CH) t —O) z —CH 2 —C(O)—NH-A] u —H (I) where A′ is —(NH—(CH 2 ) x′) y ′—; —NH(CH 2 ) x ′(O—(CHR 1 ) r ′) w ′—O—(CH 2 ) x ′—; or —NH—((R 1 CH) r ′—O) w ′—C 2 H 4—, A is—((CH 2 ) x—NH) y —; —(CH 2 ) x —(O—(CHR 1 ) r )w—O—(CH 2 ) x —NH—; or —((R 1 CH) r —O) w —C 2 H 4 —NH—, R 1 is —H or —CH 3 , Q is -NH— when p=1 or —O-when p=0, p is 0 or 1, wherein H—and Q form a chemical bond when p =0, r′ is an integer from 2 to 4, w′ is an integer from 1 to 50, x′ is an integer from 2 to 6, y′ is an integer from 0 to 5, wherein H-and Q form a chemical bond when y′ is 0, r is an integer from 2 to 4, w is an integer from 1 to 50, x is an integer from 2 to 6, y is an integer from 0 to 5, wherein H—is bonded to the nitrogen of terminal —C(O)—NH—when y is 0, t is an integer from 2 to 4, u is an integer from 1 to 20, w is an integer from 1 to 50, and z is an integer from 1 to 50, b) contacting a substrate with the composition; and c) electroplating a metal on the substrate.