| 摘要 |
The invention includes methods of forming integrated circuitry. In one implementation, a method of forming an integrated circuit includes forming a plurality of isolation trenches within semiconductive silicon-comprising material. The isolation trenches comprise sidewalls comprising exposed semiconductive silicon-comprising material. An epitaxial silicon-comprising layer is grown from the exposed semiconductive silicon-comprising material sidewalls within the isolation trenches. Electrically insulative trench isolation material is formed within the isolation trenches over the epitaxially-grown silicon-comprising layer. Other aspects and implementations are contemplated.
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