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1. 发明授权

US09874516B2 Detection system and method of detecting corrosion under an outer protective layer 有权
公开(公告)号：US09874516B2
公开(公告)日：2018-01-23
申请号：US15671869
申请日：2017-08-08
申请人： SubTeraNDT Limited
发明人： Christopher Mark Mann , Joseph Peter Dunne
IPC分类号： G01N21/3581 , G01N17/00 , G01N17/04 , G01N21/3563 , G01N21/47 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N21/88 , G01N21/84
CPC分类号： G01N21/3581 , G01N17/006 , G01N17/04 , G01N21/3563 , G01N21/4738 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N2021/4764 , G01N2021/8427 , G01N2021/8812
摘要： Wide-angled incoherent millimeter or sub-millimeter electromagnetic waves from an extended active source are used to probe substrates and their protective coatings or outer layers, such as paint or thermal insulation. The incoherent waves provide dispersion and angular variation with respect to angular incidence to the substrate. Illumination of the substrate permits differentiation between un-corroded and corroded sections of the sample because reflectivity, emissivity and/or transmissivity from the substrate or protective coating various according to its homogeneousness. A detector/camera is arranged to identify and resolve differences in detected power within an observed frequency range of the area under test, with this contrast in power being relative to either adjacent areas or anticipated reference levels. The power differences therefore signify the presence or lack of corrosion or, indeed, the presence of anomalies within or on the substrate or in or under the protective coating or layer applied to the substrate.

2. 发明申请

US20160305869A1 DETECTION SYSTEM AND METHOD OF DETECTING CORROSION UNDER AN OUTER PROTECTIVE LAYER 有权
标题翻译：检测系统和检测外部保护层腐蚀的方法
公开(公告)号：US20160305869A1
公开(公告)日：2016-10-20
申请号：US15198133
申请日：2016-06-30
申请人： SubTeraNDT Limited
发明人： Christopher Mark MANN , Joseph Peter DUNNE
IPC分类号： G01N21/3581 , G01N17/04 , G01N22/02 , G01N21/3563 , G01N21/55
CPC分类号： G01N21/3581 , G01N17/006 , G01N17/04 , G01N21/3563 , G01N21/4738 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N2021/4764 , G01N2021/8427 , G01N2021/8812
摘要： Incoherent millimetre wave, sub-millimetre wave and terahertz test signals are used to probe metal substrates covered by a protective coating or outer layer, such as paint or thermal insulation, obscuring direct assessment of the substrate. The incoherent test signals, provide signal dispersion and angular variation of the test signals with respect to angular incidence to the substrate. Illumination of the substrate permits differentiation between un-corroded and corroded sections of the sample because reflectivity (and emissivity) from a metal-based substrate is heavily dependent on the surface resistivity which is dependent on the corroded state. A detector/camera is arranged to pick up reflections from the substrate and an associated control system identifies regions of the sample that reflect the test signal illumination differently or otherwise indicate a variation from a reference value. The differences therefore signify the presence or lack of corrosion or other abnormalities within or on the substrate.
摘要翻译：不相干毫米波，亚毫米波和太赫兹测试信号用于探测由保护涂层或外层覆盖的金属基底，如油漆或保温层，掩盖了基材的直接评估。非相干测试信号，提供测试信号相对于基板角入射的信号色散和角度变化。衬底的照明允许样品的未腐蚀和腐蚀的部分之间的区别，因为来自金属基底的反射率（和发射率）严重依赖于取决于腐蚀状态的表面电阻率。检测器/照相机布置成从衬底拾取反射，并且相关联的控制系统识别反映测试信号照明的区域的区域不同或以其他方式指示与参考值的变化。因此，这些差异意味着衬底内或衬底上存在或不存在腐蚀或其他异常现象。

3. 发明授权

US09733181B2 Detection system and method of detecting corrosion under an outer protective layer 有权
公开(公告)号：US09733181B2
公开(公告)日：2017-08-15
申请号：US15198133
申请日：2016-06-30
申请人： SubTeraNDT Limited
发明人： Christopher Mark Mann , Joseph Peter Dunne
IPC分类号： G01N21/35 , G01N21/3581 , G01N17/00 , G01N21/47 , G01N21/952 , G01N17/04 , G01N21/55 , G01N22/04 , G01N21/3563 , G01N22/02 , G01N21/84 , G01N21/88
CPC分类号： G01N21/3581 , G01N17/006 , G01N17/04 , G01N21/3563 , G01N21/4738 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N2021/4764 , G01N2021/8427 , G01N2021/8812
摘要： Incoherent millimeter wave, sub-millimeter wave and terahertz test signals are used to probe metal substrates covered by a protective coating or outer layer, such as paint or thermal insulation, obscuring direct assessment of the substrate. The incoherent test signals, provide signal dispersion and angular variation of the test signals with respect to angular incidence to the substrate. Illumination of the substrate permits differentiation between un-corroded and corroded sections of the sample because reflectivity (and emissivity) from a metal-based substrate is heavily dependent on the surface resistivity which is dependent on the corroded state. A detector/camera is arranged to pick up reflections from the substrate and an associated control system identifies regions of the sample that reflect the test signal illumination differently or otherwise indicate a variation from a reference value. The differences therefore signify the presence or lack of corrosion or other abnormalities within or on the substrate.

4. 发明申请

US20160003734A1 DETECTION SYSTEM AND METHOD OF DETECTING CORROSION UNDER AN OUTER PROTECTIVE LAYER 有权
标题翻译：检测系统和检测外部保护层腐蚀的方法
公开(公告)号：US20160003734A1
公开(公告)日：2016-01-07
申请号：US14770159
申请日：2013-09-23
申请人： SUBTERANDT LIMITED
发明人： Christopher Mark MANN , Joseph Peter DUNNE
IPC分类号： G01N21/3581 , G01N22/04 , G01N17/04 , G01N21/55
CPC分类号： G01N21/3581 , G01N17/006 , G01N17/04 , G01N21/3563 , G01N21/4738 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N2021/4764 , G01N2021/8427 , G01N2021/8812
摘要： Incoherent millimetre wave, sub-millimetre wave and terahertz test signals are used to probe metal substrates that are covered by a protective coating or outer layer, such as paint or thermal insulation, obscuring direct assessment of the substrate. The incoherent test signals, which may be from a naturally occurring passive source (such as the sky) and/or from an active noise source, provide signal dispersion and angular variation of the test signals with respect to angular incidence to the substrate. Illumination of the substrate permits differentiation between un-corroded and corroded sections of the sample because reflectivity (and emissivity) from a metal-based substrate is heavily dependent on the surface resistivity which in turn is dependent on the corroded state. A detector/camera is arranged to pick up reflections from the substrate and an associated control system identifies regions of the sample that reflect the test signal illumination differently or otherwise indicate a variation from a reference value. The differences therefore signify the presence or lack of corrosion or, indeed, the presence of other abnormalities within or on the substrate.
摘要翻译：不相干毫米波，亚毫米波和太赫兹测试信号用于探测由保护涂层或外层覆盖的金属基底，例如油漆或隔热层，掩盖了对基底的直接评估。可能来自天然存在的被动源（例如天空）和/或来自有源噪声源的非相干测试信号相对于基底的角入射提供了测试信号的信号色散和角度变化。衬底的照明允许在样品的未腐蚀和腐蚀部分之间进行区分，因为来自金属基底层的反射率（和发射率）严重依赖于表面电阻率，反过来依赖于腐蚀状态。检测器/照相机布置成从衬底拾取反射，并且相关联的控制系统识别反映测试信号照明的区域的区域不同或以其他方式指示与参考值的变化。因此，这些差异意味着存在或缺乏腐蚀，或者确实存在底物内或基底上的其他异常现象。

5. 发明申请

US20170336323A1 DETECTION SYSTEM AND METHOD OF DETECTING CORROSION UNDER AN OUTER PROTECTIVE LAYER 有权
公开(公告)号：US20170336323A1
公开(公告)日：2017-11-23
申请号：US15671869
申请日：2017-08-08
申请人： SubTeraNDT Limited
发明人： Christopher Mark MANN , Joseph Peter DUNNE
IPC分类号： G01N21/3581 , G01N17/04 , G01N21/3563 , G01N22/04 , G01N17/00 , G01N21/55 , G01N21/47 , G01N21/952 , G01N22/02 , G01N21/88 , G01N21/84
CPC分类号： G01N21/3581 , G01N17/006 , G01N17/04 , G01N21/3563 , G01N21/4738 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N2021/4764 , G01N2021/8427 , G01N2021/8812
摘要： Wide-angled incoherent millimetre or sub-millimetre electromagnetic waves from an extended active source are used to probe substrates and their protective coatings or outer layers, such as paint or thermal insulation. The incoherent waves provide dispersion and angular variation with respect to angular incidence to the substrate. Illumination of the substrate permits differentiation between un-corroded and corroded sections of the sample because reflectivity, emissivity and/or transmissivity from the substrate or protective coating various according to its homogeneousness. A detector/camera is arranged to identify and resolve differences in detected power within an observed frequency range of the area under test, with this contrast in power being relative to either adjacent areas or anticipated reference levels. The power differences therefore signify the presence or lack of corrosion or, indeed, the presence of anomalies within or on the substrate or in or under the protective coating or layer applied to the substrate.

6. 发明授权

US09518918B2 Detection system and method of detecting corrosion under an outer protective layer 有权
标题翻译：检测系统和检测外部保护层腐蚀的方法
公开(公告)号：US09518918B2
公开(公告)日：2016-12-13
申请号：US14770159
申请日：2013-09-23
申请人： SubTeraNDT Limited
发明人： Christopher Mark Mann , Joseph Peter Dunne
IPC分类号： G01J5/02 , G01N21/3581 , G01N17/00 , G01N21/47 , G01N21/952 , G01N17/04 , G01N21/55 , G01N22/04 , G01N21/84 , G01N21/88
CPC分类号： G01N21/3581 , G01N17/006 , G01N17/04 , G01N21/3563 , G01N21/4738 , G01N21/55 , G01N21/952 , G01N22/02 , G01N22/04 , G01N2021/4764 , G01N2021/8427 , G01N2021/8812
摘要： Incoherent millimeter wave, sub-millimeter wave and terahertz test signals are used to probe metal substrates that are covered by a protective coating or outer layer, such as paint or thermal insulation, obscuring direct assessment of the substrate. The incoherent test signals, which may be from a naturally occurring passive source (such as the sky) and/or from an active noise source, provide signal dispersion and angular variation of the test signals with respect to angular incidence to the substrate. Illumination of the substrate permits differentiation between un-corroded and corroded sections of the sample because reflectivity (and emissivity) from a metal-based substrate is heavily dependent on the surface resistivity which in turn is dependent on the corroded state. A detector/camera is arranged to pick up reflections from the substrate and an associated control system identifies regions of the sample that reflect the test signal illumination differently or otherwise indicate a variation from a reference value. The differences therefore signify the presence or lack of corrosion or, indeed, the presence of other abnormalities within or on the substrate.
摘要翻译：不相干毫米波，亚毫米波和太赫兹测试信号用于探测由保护涂层或外层覆盖的金属基底，例如油漆或隔热层，掩盖了对基底的直接评估。可能来自天然存在的被动源（例如天空）和/或来自有源噪声源的非相干测试信号相对于基底的角入射提供了测试信号的信号色散和角度变化。衬底的照明允许在样品的未腐蚀和腐蚀部分之间进行区分，因为来自金属基底层的反射率（和发射率）严重依赖于表面电阻率，反过来依赖于腐蚀状态。检测器/照相机布置成从衬底拾取反射，并且相关联的控制系统识别反映测试信号照明的区域的区域不同或以其他方式指示与参考值的变化。因此，这些差异意味着存在或缺乏腐蚀，或者确实存在底物内或基底上的其他异常现象。

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