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:
Aug. 24, 1993
Filed:
Oct. 03, 1991
Applicant:
Inventor:
William A Stevenson, Concord, MA (US);
Assignee:
Foster-Miller, Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
25022725 ; 25022721 ; 250905 ; 385 12 ; 356133 ;
Abstract
A radiation transmission fiber for spectroscopic monitoring includes a transmission portion and a sensor portion; the transmission and sensor portions have a continuous core portion and continuous cladding over the core portion throughout the transmission and sensor portions; the sensor portion of the core is of smaller diameter than the transmission portion(s) and is connected to the transmission portion(s) by a conical transition portion(s); and the cladding in the transmission portion is of greater thickness than the cladding in the sensor region.