首页> 外国专利> METHOD FOR FABRICATING ELEVATED SOURCE-DRAIN WITHOUT FACET EFFECT TO EMBODY STABLE OPERATION IN SMALLER REGION

METHOD FOR FABRICATING ELEVATED SOURCE-DRAIN WITHOUT FACET EFFECT TO EMBODY STABLE OPERATION IN SMALLER REGION

机译:一种在较小区域中没有面子影响的稳定工况下制造提升的源漏的方法

摘要

PURPOSE: A method for fabricating an elevated source-drain without a facet phenomenon is provided to embody a stable operation in a smaller region by solving a facet problem occurring in fabricating ESD(electrostatic discharge) by an SEG(selective epitaxial growth) method. CONSTITUTION: A gate oxide process is performed on a silicon substrate(100) to form a gate oxide layer(104). A gate poly layer is formed on the gate oxide layer to form a floating gate. NM and PM regions(102) are formed. An HLD(high temperature low pressure deposition) oxide layer is formed to fabricate an LDD(lightly doped drain) spacer. The HLD oxide layer on a region for forming ESD(110) is etched. The ESD is formed by an SEG method. An HLD oxide layer(114) is additionally formed on the HLD oxide layer and the ESD. A nitride layer is deposited. The nitride layer is etched back to form an LDD spacer of a dome type so that an ESD device without a facet effect is formed.
机译:用途:提供一种用于制造没有刻面现象的升高的源极漏极的方法,以通过解决通过SEG(选择性外延生长)方法制造ESD(静电放电)时出现的刻面问题,在较小的区域中体现稳定的操作。组成:在硅衬底(100)上执行栅极氧化工艺以形成栅极氧化层(104)。在栅极氧化物层上形成栅极多晶硅层以形成浮栅。形成NM和PM区域(102)。形成HLD(高温低压沉积)氧化物层以制造LDD(轻掺杂漏极)隔离物。蚀刻用于形成ESD(110)的区域上的HLD氧化物层。 ESD通过SEG方法形成。在HLD氧化物层和ESD上另外形成HLD氧化物层(114)。沉积氮化物层。回蚀氮化物层以形成圆顶型的LDD间隔物,从而形成没有刻面效应的ESD器件。

著录项

  • 公开/公告号KR20050009633A

    专利类型

  • 公开/公告日2005-01-25

    原文格式PDF

  • 申请/专利权人 MAGNACHIP SEMICONDUCTOR LTD.;

    申请/专利号KR20030049442

  • 发明设计人 MOON BONG WOONG;

    申请日2003-07-18

  • 分类号H01L21/336;

  • 国家 KR

  • 入库时间 2022-08-21 22:05:59

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