The present invention is directed to a method of fabricating a local interconnect. The compounds are diol acrylate having a urethane bond represented by the formula, and cyclic ketal acrylate having a urethane bond represented by the formula :n-; R3: \u2014m-; n: 1-4; m: 1-8; : C2-C4 oxyalkylene group; x: 0-1000; R4, R5: H, \u2014CH3, \u2014C2H5). The voltage occurring at the switch is doubled to establish the operating voltage.