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. 14, 2004
Filed:
Nov. 15, 2002
Applicant:
Inventors:
Yoshihiro Yoneda, Yamanashi, JP;
Ikuo Hanawa, Yamanashi, JP;
Assignee:
Fujitsu Quantum Devices Limited, Yamanashi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 4/014 ;
U.S. Cl.
CPC ...
H01J 4/014 ;
Abstract
A photodetector includes an optical absorption layer having a thickness d optimized with regard to a voltage applied across the optical absorption layer such that there occurs an increase of optical absorption coefficient at the wavelength of 1580 nm or longer.
Yoneda, Yoshihiro. (2004). Photodetector having improved photoresponsitivity over a broad wavelength region (U.S. Patent No. 6831265). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6831265
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile