Method for examination of a surface layer
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United States of America Patent
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Dec 2, 2003
Issued Date -
N/A
app pub date -
Jun 1, 2000
filing date -
Dec 4, 1997
priority date (Note) -
Expired
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Abstract
In a method for examination of the surface of an object for a topographic and/or a chemical property, the object-surface is impinged with surface-structure selective biocomponents for examination of a topographic property and/or with chemoselective biocomponents for the examination of a chemical property, together with a nutrient medium and/or an osmotic protective medium for the biocomponents. The biocomponents contained in the nutrient medium and/or the osmotic protective medium are in contact with the object-surface or are spaced from the object surface by less than the detection range of the biocomponents. The object surface is then examined with the biocomponents contained in the nutrient medium and/or the osmotic protective medium by determining at least one examination measurement value. The examination measurement value is compared with a reference measurement value, and conclusions can be drawn about the topographic and/or chemical properties of the object from the result of the comparison. Using the method, an object surface can be examined for a topographic and/or chemical property in a simple manner with a high measuring sensitivity.
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