| 摘要 |
A semiconductor device and a method of fabricating the same are disclosed. The method includes the steps of forming an anti-oxidation layer on a substrate, forming an oxidizable layer on portions of the anti-oxidation layer to expose a portion of the anti-oxidation layer, varying a size of the exposed portion of the anti-oxidation layer by oxidizing at least a portion of the oxidizable layer, and forming a trench in the substrate according to the size of the exposed portion of the anti-oxidation layer. The semiconductor device includes an anti-oxidation layer formed on a substrate an oxidation layer formed on portions of the anti-oxidation layer by oxidizing at least a portion of an oxidizable layer, so as to define an isolation region of the semiconductor device, a trench formed in the substrate using the oxidation layer, and a field oxide layer formed in the trench.
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