Patent ID: 7384849

Claim:
A method of forming recessed access devices associated with a semiconductor construction, comprising: providing a semiconductor substrate; forming recessed access device trenches within the substrate; filling the recessed access device trenches with a first electrically insulative material; patterning the first electrically insulative material into a mask defining a plurality of access device regions, the access device regions being islands surrounded by an isolation region; the access device regions comprising only portions of the recessed access device trenches; etching into the substrate of said isolation region to recess the substrate of said isolation region; covering the recessed substrate with a second electrically insulative material to cover the isolation region with the second electrically insulative material; removing at least the majority of the first electrically insulative material while leaving at least the majority of the second electrically insulative material; and after removing at least the majority of the first electrically insulative material, forming gate material within the portions of the recessed access device trenches comprised by the access device regions.