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:
Aug. 03, 1999
Filed:
Sep. 15, 1997
Patrick J McCann, Norman, OK (US);
Xiao-Ming Fang, Norman, OK (US);
Tathagata Chatterjee, Norman, OK (US);
McCann & Associates, Inc., Norman, OK (US);
Abstract
A light-emitting, specifically electroluminescent, europium-containing Group IIA fluoride epitaxial layer on silicon with a europium concentration in the range of from about 4 to about 40 wt % and a molecular beam epitaxy method for growth thereof are provided. Also provided is a light-emitting, specifically electroluminescent, device including a europium-containing Group IIA fluoride epitaxial layer on silicon with a europium concentration in the range of from about 4 to about 40 wt %. The Group IIA fluoride layer exhibits electroluminescence in the wavelength range of from about 450 to about 700 nm.