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:
May. 29, 2001
Filed:
Apr. 02, 1999
Applicant:
Inventors:
Udo K{overscore (o)}nig, Essen, DE;
Klaus R{overscore (o)}diger, Bochum, DE;
Assignee:
Widia GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 6/80 ;
U.S. Cl.
CPC ...
H05B 6/80 ;
Abstract
A microwave waveguide or resonator for conducting microwaves of high energy density at high temperature for sintering hard materials has a support of a highly heat-resistant material and a laminated body at least partially mounted on the support and having a surface coating consisting of nitrides, carbides, or carbonitrides of elements of the IVa to VIa groups of the periodic system and having a thickness between 0.10 &mgr;m and 100 &mgr;m.