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:
Dec. 01, 1981
Filed:
Dec. 28, 1979
Applicant:
Inventor:
James M Brownlow, Crompond, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C03C / ;
U.S. Cl.
CPC ...
2523 / ; 501 54 ; 501 66 ; 501905 ;
Abstract
Luminescent material may be fabricated of silicon dioxide containing as activators approximately up to 1% monovalent copper together with up to approximately 15% aluminum. The material may be in powder form, it may be in glass form or it may be produced by electrolytic ingredient transfer. The material is luminescent in the blue range from 380-580 nanometers.