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    • 3. 发明申请
    • PLASMA ENHANCED ATOMIC LAYER DEPOSITION METHOD
    • 等离子体增强原子层沉积法
    • WO2013155432A2
    • 2013-10-17
    • PCT/US2013/036398
    • 2013-04-12
    • VEECO INSTRUMENTS, INC.
    • SAMAL, Nigamananda
    • B05D3/14
    • C23C16/045C23C16/34C23C16/45542
    • A cyclic PE-ALD process (Fig. 3) includes four steps in two phases; in a first phase (TDMAT), a TDMAT pulse (e.g. 1 sec) is perfornned followed by a purge (e.g. 1.5 sec), and in a second phase (H 2 /Plasma), an H 2 pulse (e.g. 2.5 sec) and RF power for a plasma pulse (e.g. 1 sec) are concurrently performed, followed by a purge. Cycles of this process build layers of TiN on the substrate that are highly conformal and not subject to H 2 inclusions to nearly the same extent as prior art processes. The film quality is further improved by the application of RF power for plasma from beneath the substrate.
    • 循环PE-ALD过程(图3)包括两个阶段的四个步骤: 在第一阶段(TDMAT)中,TDMAT脉冲(例如1秒)被完成,然后进行清洗(例如1.5秒),在第二阶段(H2 /等离子体)中,H2脉冲(例如2.5秒)和RF功率 同时执行等离子体脉冲(例如1秒),然后进行清洗。 该工艺的循环在衬底上构建高度保形并且不受H2夹杂物几乎与现有技术工艺相同程度的TiN层。 通过从衬底下面对等离子体施加RF功率,进一步提高了电影质量。
    • 4. 发明申请
    • ATOMIC LAYER DEPOSITION OF SILICON NITRIDE USING DUAL-SOURCE PRECURSOR AND INTERLEAVED PLASMA
    • 氮化硅原子层沉积用双源前体和交错等离子体
    • WO2012047812A2
    • 2012-04-12
    • PCT/US2011054635
    • 2011-10-03
    • APPLIED MATERIALS INCMALLICK ABHIJIT BASU
    • MALLICK ABHIJIT BASU
    • H01L21/314H01L21/205
    • H01L21/0217C23C16/345C23C16/45534C23C16/45542H01L21/02274H01L21/0228
    • Atomic layer deposition using precursor having both nitrogen and silicon components is described. Deposition precursor contains molecules which supply both nitrogen and silicon to growing film of silicon nitride. Silicon-nitrogen bonds may be present in precursor molecule, but hydrogen and/or halogens may also be present. Growth substrate may be terminated in a variety of ways and exposure to deposition precursor displaces species from outer layer of growth substrate, replacing them with an atomic-scale silicon-and-nitrogen-containing layer. The silicon-and-nitrogen-containing layer grows until one complete layer is produced and then stops (self-limiting growth kinetics). Subsequent exposure to a plasma excited gas modifies the chemical termination of the surface so growth step may be repeated. Presence of both silicon and nitrogen in deposition precursor molecule increases the deposition per cycle thereby reducing the number of precursor exposures to grow a film of same thickness.
    • 描述了使用具有氮和硅组分的前体的原子层沉积。 沉积前体含有向氮化硅生长膜提供氮和硅的分子。 硅 - 氮键可以存在于前体分子中,但是氢和/或卤素也可以存在。 生长底物可以以各种方式终止,并且暴露于沉积前体从生长底物的外层置换物质,用原子尺度含硅和氮的层代替它们。 含硅和氮的层生长直至产生一个完整的层,然后停止(自限生长动力学)。 随后暴露于等离子体激发的气体会改变表面的化学终止,因此可以重复生长步骤。 沉积前体分子中硅和氮两者的存在增加了每个循环的沉积,从而减少前体曝光的数量以生长相同厚度的膜。
    • 10. 发明申请
    • A PLASMA ENHANCED ATOMIC LAYER DEPOSITION SYSTEM
    • 等离子体增强原子层沉积系统
    • WO2006104863A2
    • 2006-10-05
    • PCT/US2006010682
    • 2006-03-22
    • TOKYO ELECTRON LTDISHIZAKA TADAHIROMATSUDA TSUKASACERIO JR FRANKMYAMAMOTO KAORU
    • ISHIZAKA TADAHIROMATSUDA TSUKASACERIO JR FRANKMYAMAMOTO KAORU
    • C23C16/00
    • C23C16/4409C23C16/4404C23C16/4412C23C16/45542C23C16/45544C23C16/5096
    • A plasma enhanced atomic layer deposition (PEALD) system includes a first chamber component coupled to a second chamber component to provide a processing chamber defining an isolated processing space within the processing chamber. A substrate holder is provided within the processing chamber and configured to support a substrate, a first process material supply system is configured to supply a first process material to the processing chamber and a second process material supply system is configured to supply a second process material to the processing chamber. A power source is configured to couple electromagnetic power to the processing chamber, and a sealing assembly interposed between the first and second chamber components. The sealing assembly includes a plurality of sealing members configured to reduce the amount of external contaminants permeating through an interface of the first and second components into the isolated processing space of the processing chamber, wherein the film is formed on the substrate by altematingly introducing the first process material and the second process material.
    • 等离子体增强原子层沉积(PEALD)系统包括耦合到第二室部件的第一室部件,以提供限定处理室内的隔离处理空间的处理室。 衬底保持器设置在处理室内并且被配置为支撑衬底,第一处理材料供应系统被配置为将第一处理材料供应到处理室,第二处理材料供应系统被配置为将第二处理材料供应到 处理室。 电源被配置为将电磁功率耦合到处理室,以及插入在第一和第二室部件之间的密封组件。 密封组件包括多个密封构件,其被配置为将渗透通过第一和第二部件的界面的外部污染物的量减少到处理室的隔离处理空间中,其中通过替代地将第一 工艺材料和第二工艺材料。