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. 20, 2010
Filed:
Aug. 24, 2004
Heinz Haas, Regensburg, DE;
Frank Möllmer, Matting b. Pentling, DE;
Michael Schwind, Sinzing, DE;
Osram Opto Semiconductors GmbH, Regensburg, DE;
Abstract
The invention concerns a radiation detector for detecting radiation having a defined spectral sensitivity distribution () that exhibits a sensitivity maximum at a defined wavelength λ, wherein the radiation detector preferably contains a III-V semiconductor material and particularly preferably comprises at least one semiconductor chip () and at least one optical filter disposed after the semiconductor chip, the semiconductor chip containing at least one III-V semiconductor material and the optical filter absorbing radiation of a wavelength that is greater than the wavelength λof the sensitivity maximum.