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    • 2. 发明申请
    • Apparatus and method for depositing materials onto microelectronic workpieces
    • 将材料沉积到微电子工件上的装置和方法
    • US20050133161A1
    • 2005-06-23
    • US10933604
    • 2004-09-02
    • Craig CarpenterAllen MardianRoss DandoKimberly TschepenGaro Derderian
    • Craig CarpenterAllen MardianRoss DandoKimberly TschepenGaro Derderian
    • C23C16/44C23C16/455C23F1/00
    • C23C16/45544C23C16/45565
    • Reactors for vapor deposition of materials onto a microelectronic workpiece, systems that include such reactors, and methods for depositing materials onto microelectronic workpieces. In one embodiment, a reactor for vapor deposition of a material comprises a reaction chamber and a gas distributor. The reaction chamber can include an inlet and an outlet. The gas distributor is positioned in the reaction chamber. The gas distributor has a compartment coupled to the inlet to receive a gas flow and a distributor plate including a first surface facing the compartment, a second surface facing the reaction chamber, and a plurality of passageways. The passageways extend through the distributor plate from the first surface to the second surface. Additionally, at least one of the passageways has at least a partially occluded flow path through the plate. For example, the occluded passageway can be canted at an oblique angle relative to the first surface of the distributor plate so that gas flowing through the canted passageway changes direction as it passes through the distributor plate.
    • 用于将材料气相沉积到微电子工件上的反应器,包括这种反应器的系统以及将材料沉积到微电子工件上的方法。 在一个实施方案中,用于气相沉积材料的反应器包括反应室和气体分配器。 反应室可以包括入口和出口。 气体分配器位于反应室中。 气体分配器具有联接到入口以接收气流的隔室和分布板,分配器板包括面向隔室的第一表面,面对反应室的第二表面和多个通道。 通道从第一表面延伸穿过分配器板到第二表面。 此外,至少一个通道具有穿过板的至少一部分闭塞的流动路径。 例如,封闭通道可以相对于分配器板的第一表面倾斜地倾斜,使得流过倾斜通道的气体在通过分配器板时改变方向。
    • 6. 发明授权
    • Protection of tunnel dielectric using epitaxial silicon
    • 使用外延硅保护隧道电介质
    • US07390710B2
    • 2008-06-24
    • US10932795
    • 2004-09-02
    • Garo DerderianNirmal Ramaswamy
    • Garo DerderianNirmal Ramaswamy
    • H01L21/8238
    • H01L27/11521H01L27/115H01L29/42336
    • Layers of epitaxial silicon are used to protect the tunnel dielectric layer of a floating-gate memory cell from excessive oxidation or removal during the formation of shallow trench isolation (STI) regions. Following trench formation, the layers of epitaxial silicon are grown from silicon-containing layers on opposing sides of the tunnel dielectric layer, thereby permitting their thickness to be limited to approximately one-half of the thickness of the tunnel dielectric layer. The epitaxial silicon may be oxidized prior to filling the trench with a dielectric material or a dielectric fill may occur prior to oxidizing at least the epitaxial silicon covering the ends of the tunnel dielectric layer.
    • 使用外延硅层来保护浮栅存储器单元的隧道介电层免于在形成浅沟槽隔离(STI)区域期间的过度氧化或去除。 在沟槽形成之后,外延硅层从隧道介电层的相对侧上的含硅层生长,从而允许其厚度被限制为隧道介电层的厚度的大约二分之一。 外延硅可以在用电介质材料填充沟槽之前被氧化,或者在氧化至少覆盖隧道介电层的端部的外延硅之前可能发生电介质填充。
    • 9. 发明申请
    • MIS capacitor and method of formation
    • MIS电容器和形成方法
    • US20070138529A1
    • 2007-06-21
    • US11545481
    • 2006-10-11
    • Cem BasceriGaro Derderian
    • Cem BasceriGaro Derderian
    • H01L29/94
    • H01L28/40H01L21/3141H01L21/31604H01L21/31616H01L21/31637H01L21/31645H01L27/10852H01L28/55H01L28/84H01L28/91H01L29/94
    • An MIS capacitor with low leakage and high capacitance is disclosed. A layer of hemispherical grained polysilicon (HSG) is formed as a lower electrode. Prior to the dielectric formation, the hemispherical grained polysilicon layer may be optionally subjected to a nitridization or anneal process. A dielectric layer of aluminum oxide (Al2O3), or a composite stack of interleaved layers of aluminum oxide and other metal oxide dielectric materials, is fabricated over the hemispherical grained polysilicon layer and after the optional nitridization or anneal process. The dielectric layer of aluminum oxide (Al2O3) or the aluminum oxide composite stack may be optionally subjected to a post-deposition treatment to further increase the capacitance and decrease the leakage current. A metal nitride upper electrode is formed over the dielectric layer or the composite stack by a deposition technique or by atomic layer deposition.
    • 公开了具有低泄漏和高电容的MIS电容器。 形成半球状晶粒多晶硅层(HSG)作为下电极。 在电介质形成之前,半球状晶粒多晶硅层可以任选地进行氮化或退火工艺。 在半球形颗粒上制造氧化铝(Al 2 O 3 3)的介电层或氧化铝和其它金属氧化物电介质材料的交错层的复合叠层 多晶硅层和可选的氮化或退火工艺后。 氧化铝(Al 2 O 3 3)的电介质层或氧化铝复合叠层可以任选地进行后沉积处理以进一步增加电容并减小 漏电流。 通过沉积技术或通过原子层沉积在电介质层或复合叠层上形成金属氮化物上电极。
    • 10. 发明申请
    • NAND memory arrays
    • NAND存储器阵列
    • US20070063262A1
    • 2007-03-22
    • US11601095
    • 2006-11-17
    • Michael VioletteGaro DerderianTodd Abbott
    • Michael VioletteGaro DerderianTodd Abbott
    • H01L21/336H01L29/788
    • H01L27/115G11C16/0483H01L27/11526H01L27/11529Y10S438/981
    • A NAND memory array has a plurality of rows of memory cells and a plurality of columns of NAND strings of memory cells. Each NAND string is selectively connected to a bit line through a drain select gate of the respective column. Each of the drain select gates has a first dielectric layer formed on a semiconductor substrate of the memory array and a control gate formed on the first dielectric layer. Each of the memory cells of each of the NAND strings has a second dielectric layer formed on the substrate adjacent the first dielectric layer, a floating gate formed on the second dielectric layer, a third dielectric layer formed on the floating gate, and a control gate formed on the third dielectric layer. The first dielectric layer is thicker than the second dielectric layer.
    • NAND存储器阵列具有多行存储器单元和多列存储器单元的NAND串。 每个NAND串通过相应列的漏极选择栅选择性地连接到位线。 每个漏极选择栅极具有形成在存储器阵列的半导体衬底上的第一电介质层和形成在第一介电层上的控制栅极。 每个NAND串的每个存储单元具有形成在与第一介电层相邻的基板上的第二介质层,形成在第二介电层上的浮动栅极,形成在浮置栅极上的第三介电层,以及控制栅极 形成在第三电介质层上。 第一电介质层比第二电介质层厚。