A semiconductor processing method of forming a plurality of conductive lines includes, a) providing a substrate; b) providing a first conductive material layer over the substrate; c) providing a first insulating material layer over the first conductive layer; d) etching through the first insulating layer and the first conductive layer to the substrate to both form a plurality of first conductive lines from the first conductive layer and provide a plurality of grooves between the first lines, the first lines being capped by first insulating layer material, the first lines having respective sidewalls; e) electrically insulating the first line sidewalls; and f) after insulating the sidewalls, providing the grooves with a second conductive material to form a plurality of second lines within the grooves which alternate with the first lines. Integrated circuitry formed according to the method, and other methods, is also disclosed.

 
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> Method of oxidizing member to be treated

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