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    • 6. 发明授权
    • Laser photo-thermo-acoustic (PTA) frequency swept heterodyned lock-in depth profilometry imaging system
    • 激光光热声(PTA)频率扫描外差锁定深度轮廓测量成像系统
    • US07525661B2
    • 2009-04-28
    • US11058233
    • 2005-02-16
    • Andreas MandelisAlex VitkinSergey TelenkovYing Fan
    • Andreas MandelisAlex VitkinSergey TelenkovYing Fan
    • G01B9/02
    • G01N21/1702G01B21/085G01N21/4795G01N29/0609G01N29/07G01N29/11G01N29/46G01N2291/02475G01N2291/02872G01N2291/0421
    • A method and apparatus for biomedical subsurface imaging and measurement of thickness, elastic and optical properties of industrial and biomedical materials based on laser Photo-Thermo-Acoustic (PTA) frequency-swept heterodyne depth profilometry, In particular, the invention relates to biomedical imaging and measure of tissue and tumour thickness, L, speed of sound, cs, acoustic attenuation coefficient, γ, optical absorption coefficient, μa, and optical scattering coefficient, μs. The method and apparatus involves providing for a sample of the material to be characterized; irradiating the material for a selected period of time with an excitation waveform from a modulated optical excitation source wherein a photo-thermo-acoustic emission is responsively emitted from said solid; detecting said emitted photo-thermo-acoustic emission; processing the electronic signal to convert the frequency-domain signal into time-domain and perform depth profilometric imaging and determining thermoelastic and optical properties of the material sample.
    • 基于激光光热声(PTA)频扫外差深度轮廓测量法的工业和生物医学材料的厚度,弹性和光学性质的生物医学地下成像和测量的方法和装置,特别地,本发明涉及生物医学成像和 组织和肿瘤厚度的测量,L,声速,cs,声衰减系数,γ,光吸收系数,mua和光散射系数。 该方法和装置包括提供要表征的材料的样品; 用来自调制光激发源的激发波形照射材料一段选定的时间,其中从所述固体响应地发射光热声发射; 检测所述发射的光热声发射; 处理电子信号以将频域信号转换成时域并执行深度轮廓测量成像并确定材料样品的热弹性和光学性质。
    • 9. 发明申请
    • ADHESIVE COMPOSITIONS FOR HIGH TEMPERATURE SENSORS AND METHODS OF MAKING THE SAME
    • 用于高温传感器的胶粘组合物及其制备方法
    • US20090107632A1
    • 2009-04-30
    • US11927755
    • 2007-10-30
    • Qiwei LuRobert James PerryMichael Joseph O'BrienYing FanJames Norman Barshinger
    • Qiwei LuRobert James PerryMichael Joseph O'BrienYing FanJames Norman Barshinger
    • C09J163/10
    • C09J163/00C08G59/68
    • An adhesive composition is provided which effectively bonds a sensor to a surface having a temperature up to approximately 250° C. The adhesive composition comprises an epoxy resin and a latent cationic cure catalyst effective to cure the epoxy resin. The invention also provides a method of preparing an adhesive composition comprising blending an epoxy resin and a latent cationic cure catalyst effective to cure the epoxy resin, wherein the composition is capable of effectively bonding a sensor to a surface having a temperature up to approximately 250° C. The invention further provides a method of bonding a sensor to a surface comprising the steps of applying an adhesive composition to a first surface of the sensor or to a surface area of an object to be monitored, the adhesive composition comprising an epoxy compound and a latent cationic cure catalyst effective to cure the epoxy resin. The first surface of the sensor is contacted with the surface area of the object whereby the adhesive composition is located therebetween, and wherein the composition effectively bonds the sensor to the object surface at a temperature up to approximately 250° C.
    • 提供了一种粘合剂组合物,其有效地将传感器结合到温度高达约250℃的表面。粘合剂组合物包含有效固化环氧树脂的环氧树脂和潜阳离子固化催化剂。 本发明还提供一种制备粘合剂组合物的方法,其包括共混环氧树脂和有效固化环氧树脂的潜阳离子固化催化剂,其中该组合物能够有效地将传感器结合到温度高达约250° 本发明还提供了一种将传感器粘合到表面上的方法,包括以下步骤:将粘合剂组合物施加到传感器的第一表面或待监测物体的表面区域,所述粘合剂组合物包含环氧化合物和 一种潜在的阳离子固化催化剂,有效固化环氧树脂。 传感器的第一表面与物体的表面区域接触,由此粘合剂组合物位于其间,并且其中组合物在高达约250℃的温度下有效地将传感器结合到物体表面。