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:
Feb. 27, 2001
Filed:
Jul. 29, 1998
Applicant:
Inventors:
Masanobu Kato, Tokyo, JP;
Ryozo Furukawa, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/10236 ; H01L 3/10232 ;
U.S. Cl.
CPC ...
H01L 3/10236 ; H01L 3/10232 ;
Abstract
A semiconductor light-receiving device includes a light-receiving section that receives an input light. The light-receiving section includes a light-receiving surface to which the input light is directed, a groove extending vertically into the light-receiving surface, and a thin film coated on the inside wall of the groove.