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    • 3. 发明专利
    • Method of fabricating semiconductor element having shallow source/drain regions
    • 制造具有深源/漏区的半导体元件的方法
    • JP2004311999A
    • 2004-11-04
    • JP2004101507
    • 2004-03-30
    • Samsung Electronics Co Ltd三星電子株式会社
    • LEE SANG-JINKIN KEISHUGO SHOHOKANG HEE-SUNG
    • H01L21/265H01L21/336H01L29/78H01L29/786
    • H01L29/6653H01L21/2652H01L21/26586H01L29/6656H01L29/6659H01L29/7833
    • PROBLEM TO BE SOLVED: To provide a method of fabricating a semiconductor element having shallow source/drain regions. SOLUTION: First spacers are formed on insulating layers on both sidewalls of each gate pattern. Deep source/drain regions are formed in the semiconductor substrate of interest so as to align with the first spacers. After removing the first spacers, the insulating layers are etched to form second spacers for offsetting on both of the sidewalls of each gate pattern. Shallow source/drain regions are formed in the regions of the semiconductor substrate aligned with the second spacers for offsetting and adjoining the deep source/drain regions. Thus, it is realized to form the deep source/drain regions prior to the shallow source/drain regions, and to control an overlap of the impurities ion-implanted into the shallow source/drain regions created through the gate pattern line width gradually reducing with the second spacer for offsetting. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种制造具有浅源/漏区的半导体元件的方法。 解决方案:在每个栅极图案的两个侧壁上的绝缘层上形成第一间隔物。 在感兴趣的半导体衬底中形成深源极/漏极区,以便与第一间隔物对准。 在去除第一间隔物之后,蚀刻绝缘层以形成用于在每个栅极图案的两个侧壁上偏移的第二间隔物。 在与第二间隔物对准的半导体衬底的区域中形成浅源极/漏极区,用于抵消和邻接深源极/漏极区。 因此,实现了在浅源/漏区之前形成深源/漏区,并且控制离子注入到通过栅极图案线宽度产生的浅源/漏区中的杂质的重叠逐渐减小, 用于抵消的第二间隔件。 版权所有(C)2005,JPO&NCIPI