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    • 1. 发明公开
    • 진공 자외선 참조 반사율계
    • 真空超声波参考反射计
    • KR1020080021823A
    • 2008-03-07
    • KR1020087002173
    • 2004-09-21
    • 메트로솔 인코포레이티드
    • 헤리슨,데일,에이.
    • G01N21/55G01N21/33G01N21/00
    • A spectroscopy system (500) is provided which operates in the vacuum ultra-violet spectrum. More particularly, a system utilizing reflectometry techniques in the vacuum ultraviolet spectrum is provided for use in metrology applications. To ensure accurate and repeatable measurement, the environment of the optical paths (506, 508) is controlled to limit absorption effects of gases that may be present in the optical path. To account for absorption effects that may still occur, the length of the optical path is minimized. To further account for absorption effects, the reflectance data may be referenced to a relative standard. ® KIPO & WIPO 2008
    • 提供了在真空紫外光谱中操作的光谱系统(500)。 更具体地,提供了在真空紫外光谱中利用反射测量技术的系统用于计量学应用。 为了确保精确和可重复的测量,控制光路(506,508)的环境以限制可能存在于光路中的气体的吸收效应。 为了考虑可能仍然发生的吸收效应,光路的长度被最小化。 为了进一步考虑吸收效应,反射率数据可以参考相对标准。 ®KIPO&WIPO 2008