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. 17, 2006
Filed:
Mar. 03, 2000
Applicants:
Robert Joseph Mears, Cambridge, GB;
Michael Charles Parker, Essex, GB;
Inventors:
Robert Joseph Mears, Cambridge, GB;
Michael Charles Parker, Essex, GB;
Assignee:
RJ Mears, LLC, Waltham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to the field of grating structures. The invention provides a longitudinal grating having an aperiodic structure, wherein the grating has a selected response characteristic and any repeated unit cell in the structure is significantly longer than a characteristic length associated with the selected response characteristic.