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1. 发明申请

WO2009139744A1 TRACE PARTICLE COLLECTION SYSTEM 审中-公开
标题翻译：追踪粒子收集系统
公开(公告)号：WO2009139744A1
公开(公告)日：2009-11-19
申请号：PCT/US2008/006102
申请日：2008-05-14
申请人： IMPLANT SCIENCES CORPORATION , BUNKER, Stephen, N.
发明人： BUNKER, Stephen, N.
IPC分类号： G01N1/02
CPC分类号： G01N1/02 , G01N1/2273 , G01N2001/022 , G01N2001/028
摘要： A trace particle collection system accumulates trace particles of those materials that are adhering to target surfaces. The particles are removed from the surface, transported and collected in a particle collection medium, and then provided to a detection instrument. Trace particles are often bound tenaciously to the target surface, and simple techniques, such as blowing air, will either remove only the largest particles or none at all. The removal of trace particles is described which utilizes an aerosol mixture of frozen carbon dioxide aerosol particles in a gas stream to impact and more, efficiently remove the target particles from the surface.
摘要翻译：微量颗粒收集系统累积粘附到目标表面的那些材料的痕量颗粒。将颗粒从表面上除去，运送并收集在颗粒收集介质中，然后提供给检测仪器。痕量颗粒经常与目标表面结合，简单的技术，如吹风，只会去除最大的颗粒，也可以不去除任何一种。描述了微量颗粒的去除，其利用气流中的冷冻二氧化碳气溶胶颗粒的气溶胶混合物进行冲击并且更有效地从表面除去目标颗粒。

2. 发明申请

WO2009117075A2 FLASH HEATING FOR TUBING 审中-公开
标题翻译：用于管道的加热管
公开(公告)号：WO2009117075A2
公开(公告)日：2009-09-24
申请号：PCT/US2009/001642
申请日：2009-03-16
申请人： IMPLANT SCIENCES CORPORATION , RICHARDS, Keith, A. , BUNKER, Stephen, N.
发明人： RICHARDS, Keith, A. , BUNKER, Stephen, N.
IPC分类号： H05B3/00
CPC分类号： G01N1/2214 , B01L7/52
摘要： A chemical sample gas tube that is capable of being rapidly heated and cooled allows rapid purging of condensed chemical vapor from its inside surface. The tube may include a thin foil with an electrically conducting surface, a rigidly separated pair of clamps to shape the thin foil into a cylinder shape, and a temperature-controlled source of electricity that can flow sequentially through the clamps and thin foil for heating. The temperature of the cylindrical thin foil may be increased at a rate of at least 25 degrees Celsius per second, and may be cooled at a rate of at least 10 degrees Celsius per second. A temperature control sequence may be provided that includes at least one temperature that performs at least one of: condensing the chemical vapor, transmitting the chemical vapor, desorbing the condensed chemical vapor, and decomposing the condensed chemical vapor.
摘要翻译：能够快速加热和冷却的化学样品气体管可以从其内表面快速吹扫冷凝的化学蒸气。管可以包括具有导电表面的薄箔，刚性分离的一对夹子，以将薄箔成形为圆柱形，以及温度控制的电源，其可以顺序流过夹具和薄箔以供加热。圆柱形薄箔的温度可以以每秒至少25摄氏度的速率增加，并且可以以至少10摄氏度/秒的速率被冷却。可以提供温度控制顺序，其包括至少一个温度，所述至少一个温度执行以下中的至少一个：冷凝化学蒸气，传输化学蒸气，解吸冷凝的化学蒸气，以及分解冷凝的化学蒸气。

3. 发明申请

WO2009088461A2 CHEMICAL CALIBRATION METHOD AND SYSTEM 审中-公开
标题翻译：化学校准方法与系统
公开(公告)号：WO2009088461A2
公开(公告)日：2009-07-16
申请号：PCT/US2008014086
申请日：2008-12-29
申请人： IMPLANT SCIENCES CORP , GERAGHTY EDWARD , KEKUKH VLADIMER , BUNKER STEPHEN N
发明人： GERAGHTY EDWARD , KEKUKH VLADIMER , BUNKER STEPHEN N
IPC分类号： G01N27/64 , G01N33/00
CPC分类号： G01N27/622
摘要： An explosive and narcotics detection system using an ion mobility spectrometer detects the presence of vapor or trace particles of target chemicals. The calibration of the spectrometer depends in part on the stability of a calibrant chemical that may be periodically injected together with sample gas into the ionization region of the spectrometer. The calibrant chemical produces a signal with a drift time that is known relative to target chemicals and may be used to calibrate the expected target chemical drift times. A new calibrant chemical, 5-nitrovanillin, is disclosed for this purpose.
摘要翻译：使用离子迁移谱仪的爆炸性和麻醉品检测系统检测目标化学物质的蒸气或痕量颗粒的存在。光谱仪的校准部分取决于可以与样品气体一起周期性地注入光谱仪的电离区域的校准物质的稳定性。校准化学品产生具有相对于目标化学物质已知的漂移时间的信号，并可用于校准预期的目标化学漂移时间。为此目的公开了一种新的校准化学品5-硝基氰胺。

4. 发明申请

WO2009117075A3 FLASH HEATING FOR TUBING 审中-公开
标题翻译：用于管道的闪蒸加热
公开(公告)号：WO2009117075A3
公开(公告)日：2009-11-12
申请号：PCT/US2009001642
申请日：2009-03-16
申请人： IMPLANT SCIENCES CORP , RICHARDS KEITH A , BUNKER STEPHEN N
发明人： RICHARDS KEITH A , BUNKER STEPHEN N
IPC分类号： G01N1/00
CPC分类号： G01N1/2214 , B01L7/52
摘要： A chemical sample gas tube that is capable of being rapidly heated and cooled allows rapid purging of condensed chemical vapor from its inside surface. The tube may include a thin foil with an electrically conducting surface, a rigidly separated pair of clamps to shape the thin foil into a cylinder shape, and a temperature-controlled source of electricity that can flow sequentially through the clamps and thin foil for heating. The temperature of the cylindrical thin foil may be increased at a rate of at least 25 degrees Celsius per second, and may be cooled at a rate of at least 10 degrees Celsius per second. A temperature control sequence may be provided that includes at least one temperature that performs at least one of: condensing the chemical vapor, transmitting the chemical vapor, desorbing the condensed chemical vapor, and decomposing the condensed chemical vapor.
摘要翻译：化学样气管能够被快速加热和冷却，从而能够从其内表面快速清除冷凝的化学蒸气。该管可以包括具有导电表面的薄箔片，刚性分离的一对夹具以将薄箔成形为圆柱形状，以及温度受控的电源，其可以顺序地流过夹具和薄箔以用于加热。圆柱形薄箔的温度可以以每秒至少25摄氏度的速率增加，并且可以以至少10摄氏度/秒的速率冷却。可以提供包括至少一个温度的温度控制序列，该温度执行以下中的至少一个：冷凝化学蒸气，传输化学蒸气，解吸冷凝的化学蒸气，以及分解冷凝的化学蒸气。

5. 发明申请

WO2009088461A3 5-NITROVANIIILIN AS A CALIBRANT FOR CALIBRATING THE DRIFT TIME FOR AN ION MOBILITY SPECTROMETER 审中-公开
公开(公告)号：WO2009088461A3
公开(公告)日：2009-07-16
申请号：PCT/US2008/014086
申请日：2008-12-29
申请人： IMPLANT SCIENCES CORPORATION , GERAGHTY, Edward , KEKUKH, Vladimer , BUNKER, Stephen, N.
发明人： GERAGHTY, Edward , KEKUKH, Vladimer , BUNKER, Stephen, N.
IPC分类号： G01N27/64 , G01N33/00
摘要： An explosive and narcotics detection system using an ion mobility spectrometer detects the presence of vapor or trace particles of target chemicals. The calibration of the spectrometer depends in part on the stability of a calibrant chemical that may be periodically injected together with sample gas into the ionization region of the spectrometer. The calibrant chemical produces a signal with a drift time that is known relative to target chemicals and may be used to calibrate the expected target chemical drift times. A new solid calibrant chemical, 5-nitrovanillin, is disclosed for this purpose. During calibration the calibrant is heated to produce a calibrant gas.

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