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:
May. 01, 2007
Filed:
Dec. 23, 2002
Thorsten Spott, München, DE;
Andreas Schumacher, München, DE;
Thorsten Spott, München, DE;
Andreas Schumacher, München, DE;
Finisar Corporation, Sunnyvale, CA (US);
Abstract
The invention relates a planar optical circuit having at least one functional layer with structures for guidance, changing, regulation, control, production and/or detection of optical signals, a carrier substrate on which the at least one functional layer is formed, and at least two physically separate functional units which are formed in the at least one functional layer on the carrier substrate. According to the invention, the at least two functional units () are thermally separated from one another by at least one trench structure () in the functional layer () and/or in the carrier substrate ().