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:
Dec. 27, 2011
Filed:
Jan. 13, 2009
Stanley D. Stearns, Gig Harbor, WA (US);
Santos Anthony Puente, Poulsbo, WA (US);
John Michael Kelly, Poulsbo, WA (US);
Brian David Russell, Poulsbo, WA (US);
Stanley D. Stearns, Gig Harbor, WA (US);
Santos Anthony Puente, Poulsbo, WA (US);
John Michael Kelly, Poulsbo, WA (US);
Brian David Russell, Poulsbo, WA (US);
VICI Metronics, Inc., Poulsbo, WA (US);
Abstract
A device for introduction of an ammonia dopant into a spectrometry system without the use of a delivery system containing ammonia. The delivery device includes an ammonium solid that will, upon the introduction of heat, yield ammonia gas for delivery into the spectrometer system. Use of such an alternative to traditional ammonia dopant systems will yield little or no change in spectrometer readings. The volumetric flow rate of the ammonium is controlled by the use of capillary tubes as the exiting pathway, where the flowrate is determined by the cross sectional area and length of the capillary tube. Delivery of the ammonia is aided by use of a frit or screen to permit only gas to exit.