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. 26, 1978
Filed:
Aug. 26, 1977
Applicant:
Inventors:
Earl K Davis, Tempe, AZ (US);
Kent W Hansen, Scottsdale, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
106 53 ; 106 / ; 106 49 ; 106 734 ;
Abstract
A solder glass/ceramic composition and method for sealing television picture tube components wherein the composition remains vitreous throughout the sealing process. The composition comprises a mixture of 9-15 weight percent aluminum oxide and 91-85 weight percent solder glass. The solder glass components comprise, in weight percent of the glass alone, SiO.sub.2 about 2-4 percent, PbO about 64-66 percent, PbF.sub.2 about 5-10 percent, ZnO about 6-9 percent, CdO about 4-6 percent, and B.sub.2 O.sub.3 about 12-14 percent.