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. 17, 1978
Filed:
Mar. 10, 1977
Applicant:
Inventors:
Johannes Wilhelmus Krol, Eindhoven, NL;
Bernhard Lersmacher, Aachen, DE;
Horst Seifert, Hamburg, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
29 2518 ; 427122 ;
Abstract
Disclosed is a method of manufacturing a pyrolytic graphite grid electrode in which after formation of the grid, the electrode is annealed at a temperature of 700.degree. to 1200.degree. C in a reactive atmosphere to remove carbon particles adhering to the electrode surface.