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    • 9. 发明授权
    • Self-aligned fabricating process and structure of source line of etox flash memory
    • 自动对准制造工艺和etox闪存源线结构
    • US06524909B1
    • 2003-02-25
    • US09494524
    • 2000-01-31
    • Ling-Sung WangJyh-Ren Wu
    • Ling-Sung WangJyh-Ren Wu
    • H01L21336
    • H01L27/11521H01L21/28273
    • A self-aligned fabricating process and a structure of ETOX flash memory. A plurality of parallel lines for device isolation is formed in a substrate, and then forming a plurality of parallel stacked gates above the substrate. The device isolation lines and the stacked gates are perpendicular to each other. A plurality of first insulation layers is formed such that an insulation layer is formed over each stacked gate. Spacers are also formed over the sidewalls of each stacked gate. A plurality of source arrays and drain arrays are formed in the substrate between neighboring stacked gates. The source and drain arrays are parallel to the stacked gates, with a source array and a drain array formed in alternating positions between the stacked gates. Each source array comprises a plurality of source-doped regions located between the device isolation lines respectively. Similarly, each drain array has a plurality of drain-doped regions located between the device isolation lines. A plurality of source lines is formed in the space between neighboring spacers above the source array.
    • 自对准制造工艺和ETOX闪存的结构。 在衬底中形成用于器件隔离的多条平行线,然后在衬底上形成多个平行的堆叠栅极。 器件隔离线和堆叠栅极彼此垂直。 形成多个第一绝缘层,使得在每个堆叠的栅极上形成绝缘层。 隔板也形成在每个堆叠门的侧壁上。 在相邻堆叠栅极之间的衬底中形成多个源极阵列和漏极阵列。 源极和漏极阵列平行于堆叠栅极,源极阵列和漏极阵列形成在堆叠栅极之间的交替位置。 每个源极阵列分别包括位于器件隔离线之间的多个源极掺杂区域。 类似地,每个漏极阵列具有位于器件隔离线之间的多个漏极掺杂区域。 在源阵列上方的相邻间隔物之间​​的空间中形成多条源极线。