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:
Nov. 29, 1983
Filed:
May. 26, 1982
Applicant:
Inventors:
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
65 591 ; 65 43 ; 65 593 ; 65 594 ; 65 596 ; 174 5061 ; 501 26 ; 501 15 ; 501 67 ; 501 79 ;
Abstract
An improved lead-free glass or glass plus alumina ceramic sealing material composition for making compression glass sealed electrical leads in semiconductor device packages is described wherein the improved sealing material consists essentially of the following range of ingredients, by weight percent: