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    • 4. 发明授权
    • Method for fabricating devices in core and periphery semiconductor regions using dual spacers
    • 使用双间隔物在芯部和外围半导体区域中制造器件的方法
    • US06670227B1
    • 2003-12-30
    • US10361455
    • 2003-02-10
    • Hsiao-Han ThioKei-Leong Ho
    • Hsiao-Han ThioKei-Leong Ho
    • H01L218238
    • H01L27/11534H01L21/823418H01L21/823468H01L27/105H01L27/11526H01L29/6653
    • For fabricating a first device within a core region and a second device within a periphery region, of a semiconductor substrate, disposable spacers having a first width are formed at sidewalls of a first gate stack of the core region and a second gate stack of the periphery region. Drain and source junctions of the second device are formed in the periphery region to the sides of the disposable spacers of the second gate stack. The disposable spacers are removed and permanent spacers having a second width are formed at the sidewalls of the first and second gate stacks, with the second width being less than the first width. Silicide is formed with an exposed portion of a drain bit line junction within the core region after forming the permanent spacers.
    • 为了在芯区域内的第一器件和周边区域内的第二器件的半导体衬底中制造具有第一宽度的一次性间隔物,形成在芯区域的第一栅极堆叠的侧壁和周边的第二栅极堆叠 地区。 第二器件的漏极和源极结形成在第二栅极堆叠的一次性间隔物的边缘的周边区域中。 去除一次性间隔件,并且在第一和第二栅极堆叠的侧壁处形成具有第二宽度的永久性间隔物,其中第二宽度小于第一宽度。 在形成永久间隔物之后,在芯区域内形成硅化物与漏极位线结的露出部分。
    • 8. 发明授权
    • Using a first liner layer as a spacer in a semiconductor device
    • 在半导体器件中使用第一衬垫层作为间隔物
    • US06716710B1
    • 2004-04-06
    • US10126207
    • 2002-04-19
    • Hsiao-Han ThioNian YangZhigang Wang
    • Hsiao-Han ThioNian YangZhigang Wang
    • H01L21336
    • H01L29/6656H01L21/76224H01L21/823468H01L21/823481
    • A method of fabricating a semiconductor device. A first layer comprising a first material is deposited to a first thickness on a sidewall of a stacked gate. A second layer comprising a second material is deposited over the first layer. The second layer is deposited without the first layer being etched; hence, the first thickness is unchanged along the sidewall. The second layer is reduced to a second thickness along the sidewall. The first layer and the second layer in combination form a spacer along the sidewall that has a thickness corresponding to the first thickness and the second thickness. Thus, the spacer can be formed using a single etch, reducing the number of processing steps. In addition, the first layer protects shallow trench filler material from gouging during the etch.
    • 一种制造半导体器件的方法。 包括第一材料的第一层在堆叠栅极的侧壁上沉积到第一厚度。 包含第二材料的第二层沉积在第一层上。 沉积第二层,而不蚀刻第一层; 因此,第一厚度沿侧壁不变。 第二层沿着侧壁被还原成第二厚度。 第一层和第二层组合形成沿着侧壁的间隔物,其具有对应于第一厚度和第二厚度的厚度。 因此,间隔物可以使用单一蚀刻形成,减少了处理步骤的数量。 此外,第一层在蚀刻期间保护浅沟槽填料材料免于气刨。