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:
Apr. 17, 2001
Filed:
Aug. 18, 1998
Applicant:
Inventors:
Dietrich Fromm, Warngau, DE;
Bernhard Altmann, Langerringen, DE;
Wolfram Graser, Munich, DE;
Peter Schade, Schwabmuenchen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 6/100 ; H01J 9/00 ; B22F 7/00 ;
U.S. Cl.
CPC ...
H01J 6/100 ; H01J 9/00 ; B22F 7/00 ;
Abstract
A sintered electrode of high-melting metal (for example tungsten) is produced from spherical metal powder having a well defined particle size. The mean particle size is from 5 to 70 &mgr;m. The particle size distribution covers a range from at most 20% below to at most 20% above the mean particle size.