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    • 6. 发明授权
    • Particle source, especially for reactive ionic etching and
plasma-supported CVD processes
    • 粒子源,特别是用于反应离子蚀刻和等离子体支持的CVD工艺
    • US5144196A
    • 1992-09-01
    • US768994
    • 1991-09-30
    • Rainer GegenwartJochen Ritter
    • Rainer GegenwartJochen Ritter
    • C23C16/50C23C16/511H01J27/18H01J37/08H01J37/32H01L21/302H01L21/3065
    • H01J37/32238H01J37/32192H01J37/32266H01J37/32678
    • Particle source, especially for reactive ion etching and plasma-enhanced CVD processes in pass-through apparatus for the treatment of large-area substrates (4) having a container completely enveloping a first plasma (19), a magnetic field generator (8, 9, 10) which fulfills the electron-cyclotron resonance, a waveguide (15) connected to the container for the delivery of electromagnetic waves, preferably microwaves (17), for the production of the plasma (19), a coupling window (16) as well as a gas feeding system for supplying the plasma process with reactive, and, for example, inert gas, the first plasma (19) being enveloped by a plasma chamber (7), the interior spaces of the plasma chamber (7) and of the adjacent vacuum chamber (2) are connected to one another, an additional guard window (12) is situated in the plasma chamber (7) directly in front of the coupling window and has an approximately constant gap (13) between it and the chamber walls (7c, 7d), a separate feeding is performed of for example inert gas (11) into the space between coupling window (16) and guard window (12) and of reactive gas (6) between guard window (12) and substrate (4), and an intermediate plasma is ignitable between coupling window (16) and guard window (12).
    • 粒子源,特别是用于处理具有完全包围第一等离子体(19)的容器的大面积基板(4)的通过装置中的反应离子蚀刻和等离子体增强CVD工艺,磁场发生器(8,9 ,10),连接到用于输送等离子体(19)的用于输送电磁波的容器的波导(15),优选地为微波(17);耦合窗口(16),其形成为电子回旋共振 以及作为用于向等离子体处理提供反应性的气体供给系统,例如惰性气体,由等离子体室(7)包围的第一等离子体(19),等离子体室(7)的内部空间和 相邻的真空室(2)彼此连接,附加的保护窗口(12)直接位于耦合窗口前方的等离子体室(7)中,并且在其与腔室之间具有大致恒定的间隙(13) 墙壁(7c,7d),单独的喂养是执行 例如惰性气体(11)进入耦合窗(16)和保护窗(12)之间的空间以及保护窗(12)和衬底(4)之间的反应气体(6)之间,并且中间等离子体可以在 耦合窗(16)和保护窗(12)。