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. 01, 1994
Filed:
Dec. 01, 1992
Applicant:
Inventors:
Jeremy Allam, Cambridge, GB;
Mathias Wagner, Cambridge, GB;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257 17 ; 257 20 ; 257 21 ; 257 24 ; 257184 ; 359248 ;
Abstract
A non-linear optical device utilizes laterally asymmetrical quantum dot structures (D1-D5) that are tunable in terms of their lateral asymmetry by bias potentials (V1, V2) applied to laterally extending electrode structures (13, 14).