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1. 发明公开

EP2853923A1 Radiation detector and sample analyzer 有权
标题翻译： Strahlungsdetektor und Probenanalator
公开(公告)号：EP2853923A1
公开(公告)日：2015-04-01
申请号：EP14186246.6
申请日：2014-09-24
申请人： JEOL Ltd.
发明人： Kinugasa, Genki
IPC分类号： G01T1/17
CPC分类号： G01T1/172 , G01T1/171
摘要： A radiation detector is offered which can suppress generation of sum peaks. The radiation detector (100) has a radiation detection portion (2), a first differential filter portion (10) for converting the output signal S2 from the detection portion into a first pulsed signal S10, a second differential filter portion (20) for converting the output signal S2 into a second pulsed signal S20, a third differential filter portion (30) having a time constant longer than that of the second differential filter portion (20) and operative to convert the output signal S2 into a third pulsed signal S30, an event detection portion (40) for outputting an event signal S40, a pileup detection portion (50) for outputting a pileup signal S50 in response to the ratio between the pulse height of the second pulsed signal S20 and the pulse height of the third pulsed signal S30, and a pulse height detection portion (60) starting to detect the pulse height of the first pulsed signal S10 in response to the event signal S40 and outputting a detection signal S60. The pulse height detection portion (60) stops from outputting the detection signal S60 in response to the pileup signal S50.
摘要翻译：提供了可以抑制和峰的产生的放射线检测器。辐射检测器（100）具有辐射检测部（2），用于将来自检测部的输出信号S2转换为第一脉冲信号S10的第一差分滤波器部（10），用于转换的第二差分滤波器部（20）输出信号S2变为第二脉冲信号S20，第三差分滤波器部分（30）具有比第二差分滤波器部分（20）的时间常数更长的时间常数，并将输出信号S2转换为第三脉冲信号S30，用于输出事件信号S40的事件检测部分（40），用于响应于第二脉冲信号S20的脉冲高度与第三脉冲信号S20的脉冲高度之间的比率输出堆积信号S50的堆积检测部分（50）信号S30和脉冲高度检测部分（60）响应于事件信号S40开始检测第一脉冲信号S10的脉冲高度，并输出检测信号S60。响应于堆积信号S50，脉冲高度检测部分60停止输出检测信号S60。

2. 发明授权

EP2853923B1 Radiation detector and sample analyzer 有权
标题翻译：辐射探测器和样品分析仪
公开(公告)号：EP2853923B1
公开(公告)日：2017-11-01
申请号：EP14186246.6
申请日：2014-09-24
申请人： JEOL LTD.
发明人： Kinugasa, Genki
IPC分类号： G01T1/17
CPC分类号： G01T1/172 , G01T1/171

3. 发明公开

EP4166991A1 RADIATION DETECTION APPARATUS AND SAMPLE ANALYSIS APPARATUS 审中-实审
公开(公告)号：EP4166991A1
公开(公告)日：2023-04-19
申请号：EP22200662.9
申请日：2022-10-10
申请人： Jeol Ltd.
发明人： Kinugasa, Genki , Miyatake, Kouji , Yanagihara, Kota , Isobe, Ryuichi
IPC分类号： G01T1/36 , G01T1/17
摘要： There is provided a radiation detection apparatus capable of effectively discriminating between noise and X-ray signal. The radiation detection apparatus (100) includes a detector (2) for detecting radiation and producing a detector output signal, a first differential filter (20) having a time constant and operative to differentiate and convert the detector output signal into a first pulsed signal (S20), a second differential filter (30) having a time constant greater than that of the first differential filter (20) and operative to differentiate and convert the detector output signal into a second pulsed signal (S30), and a noise detection section (50) for detecting noise based on the difference in timing between peaks of the first and second pulsed signals (S20, S30).

4. 发明公开

EP2924422A1 X-ray spectrometer and electronic diagnostic circuit 审中-公开
标题翻译： Röntgenspektrometer和Elektronische Spektrometrie-Diagnoseschaltung
公开(公告)号：EP2924422A1
公开(公告)日：2015-09-30
申请号：EP14161832.2
申请日：2014-03-26
申请人： JEOL Ltd.
发明人： Kinugasa, Genki
IPC分类号： G01N23/223 , G01T1/17
CPC分类号： G01T1/36
摘要： An X-ray spectrometer capable of reducing the effects of noises is offered. The X-ray spectrometer (100) includes: an X-ray detector (110) for detecting X-rays and outputting a staircase waveform (S110); a first differential filter (120) for converting the staircase waveform (S110) into a first pulsed signal (S120); an event detection portion (140) for making a decision as to whether the first pulsed signal (S120) has exceeded a threshold value; a noise event detection portion (150) for making a decision as to whether a time for which the first pulsed signal (S 120) is in excess of the threshold value is shorter than a given time; a second differential filter (160) for converting the staircase waveform (S 110) into a second pulsed signal (S 160) having peaks whose heights correspond to the heights of the steps of the staircase waveform; a maximum value detection portion (170) for starting to detect a maximum value of the second pulsed signal (S 160) if the first pulsed signal (S120) is judged to have exceeded the threshold value; and a decision portion (180) for making a decision as to whether information about the maximum value is output, based on the decision made by the noise event detection portion (150).
摘要翻译：提供能够降低噪音影响的X射线光谱仪。 X射线光谱仪（100）包括：X射线检测器（110），用于检测X射线并输出阶梯波形（S110）; 用于将所述阶梯波形（S110）转换为第一脉冲信号的第一差分滤波器（120）; 事件检测部分（140），用于判定所述第一脉冲信号（S120）是否超过阈值; 噪声事件检测部分（150），用于判定所述第一脉冲信号（S120）是否超过所述阈值的时间是否短于给定时间; 第二差分滤波器（160），用于将阶梯波形（S110）转换成具有峰值的第二脉冲信号（S160），其峰值对应于梯级波形的台阶的高度; 如果第一脉冲信号（S120）被判断为超过阈值，则用于开始检测第二脉冲信号的最大值（160）的最大值检测部分（170）以及基于由所述噪声事件检测部分（150）做出的决定，作出关于是否输出关于所述最大值的信息的判定的判定部分（180）。

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