The present invention relates to the preparation of ethers and esters of diallylphenols and the epoxidation of the diallyl moiety to provide bis-epoxide ether and ester intermediates useful in the preparation of epoxy resins. A silicide film is formed on each of the gate electrode and the source-drain diffusion layer. Binder materials may be selectively incorporated into the intertwined fibers. A third group includes a positive lens.