The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2001
Filed:
Jun. 25, 1999
Applicant:
Inventors:
Peter J. Melling, Sturbridge, MA (US);
Paul H. Shelley, Lakewood, WA (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/101 ;
U.S. Cl.
CPC ...
G01N 2/101 ;
Abstract
An accessory for an FTIR spectrometer comprises fiber-optic cables connected to a framework within which two mirrors are housed. The mirrors, which are preferably off-axis parabolas, are positionable with respect to each other and with respect to the ends of the fiber-optic cables. The beam from the first cable is reflected by the first mirror onto a sample surface at or near the grazing angle, after which it is captured by the second mirror and focused onto the end of the return cable which transmits it back to the spectrometer. Very thin films and coatings can be spectroscopically detected and characterized using the accessory.