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:
Jun. 17, 1980
Filed:
Jun. 09, 1978
Applicant:
Inventors:
Leroy L Chang, Lake Mohegan, NY (US);
Leo Esaki, Chappaqua, NY (US);
George A Sai-Halasz, Mohegan Lake, NY (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 16 ; 357 17 ; 357 19 ; 357-4 ;
Abstract
A heterojunction structure made of two semiconductor layers is disclosed in hich light is applied to the structure and absorbed, and the emission of light from the structure is controlled by an electric field applied perpendicularly to the planes of the layers. It is further disclosed that the device can be employed as a selective light filter or modulator.