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:
Sep. 05, 2006
Filed:
Jan. 18, 2005
Applicants:
Peter Brix, Main, DE;
Helmar Vetter, Mitterteich, DE;
Oliver Fritz, Landshut, DE;
Inventors:
Assignee:
Schott AG, Mainz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/29 (2006.01); C03C 3/066 (2006.01); C03C 3/093 (2006.01);
U.S. Cl.
CPC ...
Abstract
The lead-free glass tubing of the SiO—BO—RO—BaO—ZnO—TiOsystem has a composition, in percent by weight on an oxide basis, consisting essentially of: SiO, 34 to 52; BO, 10 to 25; AlO, 0 to 25; LiO, 2 to 6; NaO, 4 to 10; KO, 2 to 6; CaO, 0 to 4; BaO, 1 to 5; ZnO, 4 to 12; TiO, 2 to 6, and at least one refining agent in an effective amount for refining. An encapsulated diode consisting of a diode encapsulated with this lead-free glass tubing is also disclosed.