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. 31, 2011
Filed:
Dec. 20, 2006
Applicants:
Sawaki Watanabe, Tokyo, JP;
Kazuhiro Shiba, Tokyo, JP;
Takeshi Nakata, Tokyo, JP;
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light receiving elementhas a semiconductor substrate; a first mesaprovided over the semiconductor substrate, and having an active region and a first electrode (p-side electrode) provided over the active region; a second mesaprovided over the semiconductor substrate, and having a semiconductor layer and a second electrode (n-side electrode) provided over the semiconductor layer; and a third mesaprovided over the semiconductor substrate, and having a semiconductor layer, wherein the third mesais arranged so as to surround the first mesa