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:
Mar. 23, 2010
Filed:
Mar. 28, 2006
Applicant:
Kenichi Kawaguchi, Kawasaki, JP;
Inventor:
Kenichi Kawaguchi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor quantum dot device includes: an inclined InP substrate whose principal surface normal is inclined from a [001] direction to a [1 −10] direction in a (001) plane; and semiconductor quantum dots made of InAsSb(0<x<1) and disposed above the principal surface of the inclined InP substrate. Anisotropy of quantum dots is strong on the (001) plane. Anisotropy can be relaxed by using the inclined (001) substrate.