Methods of using and fabricating a supporting substrate for...

Details Methods of using and fabricating a supporting substrate for... Methods of using and fabricating a supporting substrate for...

2006-03-21

2006-03-21

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

Reexamination Certificate

active

07016034

ABSTRACT:
Methods of fabricating and using a supporting substrate for the deposition, automated recognition and spectroscopic identification of particulate impurities in liquid or gaseous media are disclosed wherein the supporting substrate comprises a filter membrane of polymer materials of a defined pore width, wherein the surface of the filter membrane is coated with metal which in the selected wavelength range for spectroscopic identification has no spectral features and at the selected excitation wavelength absorbs no or only little of the laser energy which is radiated in, and has a very smooth structure.

REFERENCES:
patent: 5255067 (1993-10-01), Carrabba et al.
patent: 6226082 (2001-05-01), Roe

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