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    • 87. 发明申请
    • ION GENERATING APPARATUS AND ION PRESENCE DETERMINING METHOD
    • 离子发生装置和离子存在测定方法
    • US20120313005A1
    • 2012-12-13
    • US13579111
    • 2010-11-02
    • Masafumi Nishino
    • Masafumi Nishino
    • H01J27/02
    • F24F3/16A61L9/22G01N27/605
    • It is expected to provide an ion generating apparatus and an ion presence determination method that can prevent the lower accuracy of the ion presence determination caused by the humidity effect. The ion generators are switched ON at the different timing, the electrical potential of the collecting electrode is measured to determine that the ion is present (or not present) when the voltage difference is larger (or smaller) than the threshold. A humidity detecting unit is arranged in a duct. The set threshold for the determination is based on the humidity of the humidity detecting unit, and the ion presence determination is not performed when the humidity is equal to or more than a predetermined humidity. When the determination representing no ion is obtained predetermined times, the warning is output for the users with a LED of a display, a buzzer of a controller or the like.
    • 期望提供可以防止由湿度效应引起的离子存在确定的较低精度的离子产生装置和离子存在确定方法。 离子发生器在不同的定时被接通,当电压差大于(或小于)阈值时,测量集电极的电位以确定离子存在(或不存在)。 湿度检测单元布置在管道中。 用于确定的设定阈值基于湿度检测单元的湿度,并且当湿度等于或大于预定湿度时不执行离子存在确定。 当预定次数获得不表示离子的确定时,对于具有显示器的LED,控制器的蜂鸣器等的用户输出警告。
    • 89. 发明申请
    • METHOD FOR EXTENDING LIFETIME OF AN ION SOURCE
    • 延长离子源寿命的方法
    • US20120235058A1
    • 2012-09-20
    • US13229939
    • 2011-09-12
    • Ashwini SINHALloyd A. BROWN
    • Ashwini SINHALloyd A. BROWN
    • H01J27/02
    • H01J37/08H01J37/3171H01J2237/022
    • This invention relates in part to a method for preventing or reducing the formation and/or accumulation of deposits in an ion source component of an ion implanter used in semiconductor and microelectronic manufacturing. The ion source component includes an ionization chamber and one or more components contained within the ionization chamber. The method involves introducing into the ionization chamber a dopant gas, wherein the dopant gas has a composition sufficient to prevent or reduce the formation of fluorine ions/radicals during ionization. The dopant gas is then ionized under conditions sufficient to prevent or reduce the formation and/or accumulation of deposits on the interior of the ionization chamber and/or on the one or more components contained within the ionization chamber. The deposits adversely impact the normal operation of the ion implanter causing frequent down time and reducing tool utilization.
    • 本发明部分地涉及用于防止或减少在半导体和微电子制造中使用的离子注入机的离子源组分中沉积物的形成和/或积累的方法。 离子源组件包括电离室和包含在电离室内的一个或多个组分。 该方法包括向电离室中引入掺杂气体,其中掺杂剂气体具有足以防止或减少离子化过程中氟离子/自由基形成的组成。 然后在足以防止或减少离子化室内部和/或包含在电离室内的一种或多种组分上的沉积物的形成和/或积累的条件下将掺杂气体电离。 沉积物对离子注入机的正常运行产生不利影响,导致频繁的停机时间并降低刀具利用率。
    • 90. 发明授权
    • Switched ferroelectric plasma ionizer
    • 开关铁电等离子体离子发生器
    • US08247784B2
    • 2012-08-21
    • US12845785
    • 2010-07-29
    • Evan L. NeidholdtJesse L. Beauchamp
    • Evan L. NeidholdtJesse L. Beauchamp
    • H01J49/10H01J49/26H01J27/02
    • H01J49/10H01J2201/30496
    • A novel ion source for ambient mass spectrometry (switched ferroelectric plasma ionizer or “SwiFerr”), which utilizes the ambient pressure plasma resulting from a sample of barium titanate [001] whose polarization is switched by an audio frequency electric field. High yields of both anions and cations are produced by the source and detected using an ion trap mass spectrometer. Protonated amines and deprotonated volatile acid species, respectively, are detected in the observed mass spectra. Aerodynamic sampling is employed to analyze powders of drug tablets of loperamide and ibuprofen. A peak corresponding to the active pharmaceutical ingredient for each drug is observed in the mass spectra. Pyridine is detected at concentrations in the low part-per-million range in air. The low power consumption of the source is consistent with incorporation into field portable instrumentation for detection of hazardous materials and trace substances in a variety of different applications.
    • 用于环境质谱的新型离子源(开关铁电等离子体离子发生器或“SwiFerr”),其利用由通过音频电场切换极化的钛酸钡[001]样品产生的环境压力等离子体。 阴离子和阳离子的高产率由源产生并使用离子阱质谱仪进行检测。 在观察到的质谱中分别检测质子化的胺和去质子化的挥发性酸物质。 采用气动取样法分析洛哌丁胺和布洛芬药物片剂粉末。 在质谱中观察到对应于每种药物的活性药物成分的峰。 在空气中以百万分之几的范围内的浓度检测到吡啶。 源的低功耗与将现有便携式仪器结合在一起用于检测各种不同应用中的有害物质和痕量物质。