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. 17, 1998
Filed:
Sep. 28, 1995
Applicant:
Inventor:
Ryuichi Ugajin, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 21 ; 257 22 ; 257 17 ; 257 25 ; 365114 ; 365215 ;
Abstract
A collective element of quantum boxes includes a plurality of the first quantum boxes (QD.sub.1) arranged within the first surface, between which conduction of electrons is allowed, a plurality of the second quantum boxes (QD.sub.2) arranged within the second surface corresponding to the plural first quantum boxes (QD.sub.1) between which conduction of electrons and holes is not substantially allowed, and a plurality of the third quantum boxes (QD.sub.3) arranged within the third surface corresponding to the plural second quantum boxes (QD.sub.2), between which conduction of holes is allowed.