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:
Jul. 19, 2005
Filed:
Mar. 24, 2003
Applicants:
Attila Mekis, Martinsville, NJ (US);
Sergey Frolov, Berkeley Heights, NJ (US);
Inventors:
Attila Mekis, Martinsville, NJ (US);
Sergey Frolov, Berkeley Heights, NJ (US);
Assignee:
Inplane Photonics, Inc., South Plainfield, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B006/26 ;
U.S. Cl.
CPC ...
Abstract
A planar lightwave circuit is provided that includes a substrate and at least one boundary positioned in the substrate and defining a cavity. The boundary is substantially non-transmissive and absorbing for wavelengths of stray light present in the vicinity of the boundary. The boundary possesses substantial symmetry under at least one symmetry group operation.