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:
Jun. 04, 2013
Filed:
Jun. 30, 2008
Applicants:
David Michael Spriggs, Malvern, GB;
David Anthony Stringfellow, Malvern, GB;
Inventors:
David Michael Spriggs, Malvern, GB;
David Anthony Stringfellow, Malvern, GB;
Assignee:
Malvern Instruments, Ltd., Malvern, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/02 (2006.01); G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for providing a light beam for use in a diffraction instrument () includes a device () for generating a light beam; and means () for shaping the light beam generated by the device (), dimensioned, in use, to determine the beam shape, and including: an aperture () and means () for rejecting spatial frequency components above a certain range in the light beam. The apparatus further includes a spatial low-pass filter () arranged to filter a beam provided by the beam shaping means.