Trench isolation process using nitrogen preconditioning to reduce
crystal defects
    2.
    发明授权
    Trench isolation process using nitrogen preconditioning to reduce crystal defects 失效
    使用氮预处理的沟槽隔离工艺,以减少晶体缺陷

    公开(公告)号:US6118168A

    公开(公告)日:2000-09-12

    申请号:US997247

    申请日:1997-12-23

    IPC分类号: H01L21/762 H01L21/76

    CPC分类号: H01L21/76232 Y10S148/05

    摘要: A method of forming a trench isolation structure in a semiconductor substrate. After etching a trench into the semiconductor substrate, an oxide layer is formed within the trench. The surface of this oxide layer is subject to a nitrogen plasma. Subsequently, another oxide layer is deposited over the nitrogen-rich surface of the first oxide layer. Deposition of this second oxide layer is accomplished by a chemical vapor deposition (CVD) process primarily using a reactant gas other than ozone.

    摘要翻译: 一种在半导体衬底中形成沟槽隔离结构的方法。 在将沟槽蚀刻到半导体衬底中之后,在沟槽内形成氧化物层。 该氧化物层的表面经受氮等离子体。 随后,在第一氧化物层的富氮表面上沉积另一氧化物层。 通过主要使用除臭氧以外的反应物气体的化学气相沉积(CVD)工艺来实现该第二氧化物层的沉积。

    Trench isolation process using nitrogen preconditioning to reduce
crystal defects
    3.
    发明授权
    Trench isolation process using nitrogen preconditioning to reduce crystal defects 失效
    使用氮预处理的沟槽隔离工艺,以减少晶体缺陷

    公开(公告)号:US5985735A

    公开(公告)日:1999-11-16

    申请号:US536470

    申请日:1995-09-29

    IPC分类号: H01L21/762 H01L21/76

    CPC分类号: H01L21/76232 Y10S148/05

    摘要: A method of forming a trench isolation structure in a semiconductor substrate. After etching a trench into the semiconductor substrate, an oxide layer is formed within the trench. The surface of this oxide layer is subjected to a nitrogen plasma. Subsequently, another oxide layer is deposited over the nitrogen-rich surface of the first oxide layer. Deposition of this second oxide layer is accomplished by a chemical vapor deposition (CVD) process primarily using a reactant gas other than ozone.

    摘要翻译: 一种在半导体衬底中形成沟槽隔离结构的方法。 在将沟槽蚀刻到半导体衬底中之后,在沟槽内形成氧化物层。 该氧化物层的表面经受氮等离子体。 随后,在第一氧化物层的富氮表面上沉积另一氧化物层。 通过主要使用除臭氧以外的反应物气体的化学气相沉积(CVD)工艺来实现该第二氧化物层的沉积。