Patent ID: 7709905

Claim:
A dual damascene structure, comprising: a first interconnect level including a first dual damascene wire, said first dual damascene wire having a first wire portion extending to a top surface of said first interconnect level and a via portion extending to a bottom surface of said first interconnect level, a length of said first wire portion in a lengthwise direction greater than a width of said first wire portion in a widthwise direction, a length of said via portion in said lengthwise direction about the same as a width of said via portion in said widthwise direction, said width of said via portion less than said width of said first wire portion; and a second interconnect level on said first interconnect level, said second interconnect level including a second dual damascene wire, said second dual damascene wire having a second wire portion extending to a top surface of said second interconnect level and a via bar portion extending to a bottom surface of said second interconnect level, a length of said second wire portion in said lengthwise direction greater than a width of said second wire in said widthwise direction, a length of said via bar portion in said lengthwise direction greater than a width of said via bar portion in said widthwise direction, said width of said via bar portion less than said width of said second wire portion, said via bar portion contacting said first wire portion.