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:
Dec. 07, 2021
Filed:
Feb. 20, 2018
Newport Corporation, Irvine, CA (US);
Andrew C Davidson, Mountain View, CA (US);
Newport Corporation, Irvine, CA (US);
Abstract
A high responsivity, high bandwidth photodiode is disclosed which includes at least one substrate, at least one n+ type layer may be formed on the at substrate and configured to receive at least a portion of an incident optical signal from the substrate, at least one supplemental layer formed on the n+ type layer and configured to receive at least a portion of the incident optical signal from the n+ type layer, at least absorbing layer formed on the supplemental layer and configured to receive at least a portion of the incident optical signal from the supplemental layer, at least one angled facet formed on the substrate and configured to direct at least a portion of the incident optical signal to at least one of the n+ type layer, the supplemental layer, and the absorbing layer at angle of incidence from 15° to 89° from a normal angle of incidence.