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    • 3. 发明授权
    • Method for improving the performance of flash memory
    • 提高闪存性能的方法
    • US06624023B1
    • 2003-09-23
    • US10152585
    • 2002-05-23
    • Tzung-Ting HanChun-Lein SuChin-Ta Su
    • Tzung-Ting HanChun-Lein SuChin-Ta Su
    • H01L21336
    • H01L27/115H01L27/11521Y10S438/954
    • The method for improving the performance of flash memory. A substrate is proved. A tunnel oxide layer is formed on the substrate. There two gate, structure are formed on the tunnel oxide layer. The gate structure including a first polysilicon layer as a floating gate, an interpoly dielectric layer such as ONO layer on the floating gate, a second polysilicon layer as a control gate on the interpoly dielectric layer. Moreover, the poly stringer is exit between the gates, wherein the poly stringer is unmovied after etched. Next, the oxygen free radical process cell oxidation is processed. The results ONO encroachment is very slightly then improvement of 6% GCR with pre-mixing gas process cell oxidation can increase operation speed by more than 5 times and eliminated poly stringer.
    • 提高闪存性能的方法。 证明了底物。 在衬底上形成隧道氧化物层。 在隧道氧化层上形成两个门,结构。 栅极结构包括作为浮置栅极的第一多晶硅层,浮置栅极上的诸如ONO层的多晶硅间介质层,作为在多晶硅间介电层上的控制栅极的第二多晶硅层。 此外,多晶硅在栅极之间离开,其中多晶硅在蚀刻后不被剥离。 接下来,处理氧自由基过程电池氧化。 结果ONO侵蚀非常轻微,然后改进6%GCR,预混合气体处理池氧化可以将操作速度提高5倍以上,消除多边形。
    • 8. 发明授权
    • Contact barrier layer deposition process
    • 接触阻挡层沉积工艺
    • US07846835B2
    • 2010-12-07
    • US11950319
    • 2007-12-04
    • Tuung LuohChin-Ta SuTa-Hung YangKuang-Chao Chen
    • Tuung LuohChin-Ta SuTa-Hung YangKuang-Chao Chen
    • H01L21/4763
    • H01L21/76841H01L21/2855H01L21/28556
    • A method for depositing a barrier layer onto a substrate is disclosed. A layer of titanium (Ti) is deposited onto the substrate using an ionized metal plasma (IMP) physical vapor deposition process. The IMP process includes: generating gaseous ions, accelerating the gaseous ions towards a titanium target, sputtering the titanium atoms from the titanium target with the gaseous ions, ionizing the titanium atoms using a plasma, and depositing the ionized titanium atoms onto the substrate to form the layer of Ti. A first layer of titanium nitride (TiN) is deposited onto the layer of Ti using a metal organic chemical vapor deposition (MOCVD) process. A second layer of TiN is deposited onto the first layer of TiN using a thermal chemical vapor deposition process. The newly completed barrier layer is annealed in the presence of nitrogen at a temperature of between about 500° C. to about 750° C.
    • 公开了一种在衬底上沉积阻挡层的方法。 使用电离金属等离子体(IMP)物理气相沉积工艺将一层钛(Ti)沉积到衬底上。 IMP过程包括:产生气体离子,将气态离子加速到钛靶,用钛离子溅射钛原子与气态离子,使用等离子体离子化钛原子,并将离子化的钛原子沉积到基底上形成 Ti层。 使用金属有机化学气相沉积(MOCVD)工艺将第一层氮化钛(TiN)沉积到Ti层上。 使用热化学气相沉积工艺将第二层TiN沉积到第一TiN层上。 将新完成的阻挡层在氮气存在下在约500℃至约750℃的温度下进行退火。