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公开(公告)号：US20220349750A1
公开(公告)日：2022-11-03
申请号：US17763537
申请日：2020-08-19
发明人： Mark Junker , Philip Wilson
摘要： A spectrometry system for spectroscopically analyzing a sample is provided. The system includes an excitation source for interacting with the sample; a detector for detecting at least a portion of light absorbed or emitted by the sample, the excitation source and detector being optically coupled via an optical pathway; and an aperture positioned in the optical pathway for limiting transmission of light from the excitation source to the detector; wherein the aperture is configured to have a spatially varying distribution of one or more geometric features that provide regions of variable transmission around an edge of the aperture. Also provided is a mask for use with a spectrometry system, the mask configured to be positioned in an optical pathway between an excitation source and a detector, wherein the mask has a spatially varying distribution of one or more geometric features that provide regions of variable transmission around an edge of the aperture. A method for limiting light throughput from an excitation source to a detector via an aperture in a spectrometry system is also provided.
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公开(公告)号：US20150165466A1
公开(公告)日：2015-06-18
申请号：US14573874
申请日：2014-12-17
发明人： Michael Ron Hammer , Alan John Roper , Mark Junker
IPC分类号： B05B17/06
CPC分类号： B05B17/0615 , B05B17/0607 , B05B17/0661 , B05B17/0669
摘要： An ultrasonic nebulizer includes a piezoelectric element that vibrates responsive to a drive signal having an alternating voltage. A nebulizing layer that may be a passive resonator is bonded to a first surface of the piezoelectric element and has an outer surface that transforms a liquid into a mist responsive to vibration of the piezoelectric element. The surface of the passive resonator may be textured to guide flow of liquid.
摘要翻译： 超声雾化器包括响应于具有交流电压的驱动信号而振动的压电元件。 可以是无源谐振器的雾化层结合到压电元件的第一表面，并且具有响应于压电元件的振动将液体转变成雾的外表面。 无源谐振器的表面可以被纹理化以引导液体流动。
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