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:
Oct. 06, 2009
Filed:
Jul. 11, 2005
Joerg Fechner, Mainz, DE;
Franz Ott, Mitterteich, DE;
Brigitte Hueber, Schwandorf, DE;
Schott AG, Mainz, DE;
Abstract
Glass for gas discharge tubes, which are used in fluorescent lamps, EEFL lamps, LCD displays, computer monitors, telephone displays and TFT displays, and a process for making it are described. The glass contains, in % by weight based on oxide content: SiO, 60-75; BO, >25-35; AlO, 0-10; LiO, 0-10; NaO, 0-20; KO, 0-20; MgO, 0-8; CaO, 0-20; SrO, 0-5; BaO, 0-5; ZnO, 0-3; ZrO, 0-5; TiO, 0-10; FeO, 0-0.5; CeO0-0.5; MnO, 0-1.0; NdO, 0-1.0; WO, 0-2; BiO, 0-5; MoO, 0-5; AsO, 0-1; SbO, 0-1; SO, 0-2; Cl, 0-2 and F, 0-2, wherein ΣLiO+NaO+KO=0-25% by weight; ΣMgO+CaO+SrO+BaO=0-20; ΣFeO+CeO+TiO+PbO+AsO+SbOis at least 0-10; and ΣPdO+PtO+PtO+PtO+RhO+RhO+IrO+IrOis from 0.00001-0.1.