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:
Apr. 07, 2020
Filed:
Sep. 13, 2016
Applicant:
J.a. Woollam Co., Inc, Lincoln, NE (US);
Inventors:
Martin M. Liphardt, Lincoln, NE (US);
Ping He, Lincoln, NE (US);
Assignee:
J.A. WOOLLAN CO., INC., Lincoln, NE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/42 (2006.01); G01J 3/28 (2006.01);
U.S. Cl.
CPC ...
G01J 3/42 (2013.01); G01J 3/2803 (2013.01); G01J 2003/425 (2013.01);
Abstract
Methods and systems that utilize 1) electromagnetic radiation energy absorbing or reflecting material of spatially distributed different optical densities and 2) wavelength dependent electromagnetic radiation energy aperturing, or both, placed near the entry to said multi-element detector, to improve detector capability to monitor intensity vs. wavelength spectra entered thereinto and provide more uniform detector output, while preferably maintaining beam angle and plane of incidence.