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    • 7. 发明授权
    • Method of fabricating semiconductor device
    • 制造半导体器件的方法
    • US6100164A
    • 2000-08-08
    • US990720
    • 1997-12-15
    • Kang-Sik YounKi-Seog YounKu-Chul Joung
    • Kang-Sik YounKi-Seog YounKu-Chul Joung
    • H01L21/316H01L21/32H01L21/76
    • H01L21/32
    • 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.
    • 公开了一种半导体器件及其制造方法。 该方法包括以下步骤:在基底上形成抗氧化层,在抗氧化层的部分上形成可氧化层,以暴露部分抗氧化层,改变抗氧化层的暴露部分的尺寸, 通过氧化至少一部分可氧化层,以及根据抗氧化层的暴露部分的尺寸在衬底中形成沟槽。 半导体器件包括通过氧化至少一部分可氧化层而形成在基底上的形成在抗氧化层的部分上的氧化层的抗氧化层,以便限定半导体器件的隔离区,沟槽 使用氧化层在基板中形成,并且在沟槽中形成场氧化物层。