Advanced science.  Applied technology.


Surface Flaw Detection Using Spatial Raman-Based Imaging: 6,453,264


A Raman-based spatial analysis method of detecting surface flaws. Special filters and optics are used to acquire filtered Raman response data from a portion of the surface. The filtered Raman response data represents the Raman response of the surface at a selected frequency. A camera records the response, thereby providing a two dimensional image of the portion of the surface. The image may be analyzed to determine whether that portion has desired thickness and chemical characteristics.

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John Francis Maguire; John David Busbee; Steven R. LeClair