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:
Jan. 05, 1999
Filed:
Apr. 12, 1996
Alfred Thimm, Wunsiedel, DE;
Hoechst CeramTec AG, Selb, DE;
Abstract
A component of aluminum nitride metallized with a metallizing paste containing: (i) a pulverulent glass of the MnO--Al.sub.2 O.sub.3 --SiO.sub.2 system as an adhesion promotor having a mean particle size of 2-15 .mu.m; (ii) a refractory metal powder having a mean particle size of 1-4 .mu.m; and (iii) an organic resin dissolved in a suitable solvent and/or a screen printing oil is disclosed. The metallizing paste preferably has a viscosity of 50-100 Pa.multidot.s when applied by screen printing, and a viscosity of <5 Pa.multidot.s when applied by dipping. The component of aluminum nitride metallized with the metallizing paste has at least one metal layer deposited on the metallizing paste, and the at least one metal layer applied has a bonding strength given by mean pull-off values of .gtoreq.3.5 kN/cm.sup.2.