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    • 35. 发明授权
    • Laser-produced-plasma EUV light source
    • 激光产生的等离子体EUV光源
    • US08785892B2
    • 2014-07-22
    • US13493871
    • 2012-06-11
    • Alexander I. ErshovIgor V. Fomenkov
    • Alexander I. ErshovIgor V. Fomenkov
    • H05H1/00H05H1/24G21K5/04
    • H05G2/003G03F7/70033G03F7/70175G03F7/70916H05G2/005H05G2/008Y10S422/906
    • Devices and corresponding methods of use are described herein that may include an enclosing structure defining a closed loop flow path and a system generating a plasma at a plasma site, e.g. laser produced plasma system, where the plasma site may be in fluid communication with the flow path. For the device, a gas may be disposed in the enclosing structure which may include an ion-stopping buffer gas and/or an etchant. A pump may be provided to force the gas through the closed loop flow path. One or more heat exchangers removing heat from gas flowing in the flow path may be provided. In some arrangements, a filter may be used to remove at least a portion of a target species from gas flowing in the flow path.
    • 本文描述了设备和相应的使用方法,其可以包括限定闭环流动路径的封闭结构和在等离子体位置处产生等离子体的系统,例如, 激光产生的等离子体系统,其中等离子体位置可以与流动路径流体连通。 对于该装置,气体可以设置在封闭结构中,其可以包括离子停止缓冲气体和/或蚀刻剂。 可以提供泵以迫使气体通过闭环流动路径。 可以提供一种或多种热交换器来从流动路径中流动的气体中除去热量。 在一些布置中,可以使用过滤器来从在流动路径中流动的气体中去除至少一部分目标物种。